Browse Topic: Fleet management

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Integration of Machine Learning and Probabilistic Methods for Structural Life Assessment in Helicopter Digital TwinsF-0081-2025-02665/20/2025
Traditional safe-life methodologies for rotorcraft structural components often result in overly conservative life estimates, increasing maintenance costs and reducing aircraft availability. This study explores the integration of digital twin concepts with probabilistic modeling and machine learning to enhance structural life assessment, demonstrated through a practical case involving the Royal Canadian Air Force CH-146 Griffon helicopter. A probabilistic fatigue model determines a fatigue life distribution by incorporating material variability and uncertain operational loads inferred directly from flight data. Unlike conventional approaches, this method dynamically estimates load spectra, including uncertainty instead of relying on conservative assumptions. Monte Carlo simulations are used to quantify structural risk and assess the impact of load and material uncertainties. Sensitivity analyses highlight these uncertainties’ contributions to failure probability. The proposed approach provides probabilistic life predictions, supporting risk-based maintenance strategies to potentially optimize operational efficiency. The long-term goal is to develop an adaptive digital twin model that continuously updates with new operational flight data, enhancing predictive accuracy for helicopter fleet management.
Asaee, Zohreh, Renaud, Guillaume, Bombardier, Yan, Cheung, Catherine
test 09/29/2022 2:00 pmSAE-PP-077339/29/2022
test 09/29/2022 2:00 pm
Dongari, Madhukar
Data Privacy in the Emerging Connected Mobility Services: Architecture, Use Cases, Privacy Risks, and Countermeasures11-02-01-000410/14/2019
The rapid development of connected and automated vehicle technologies together with cloud-based mobility services is transforming the transportation industry. As a result, huge amounts of consumer data are being collected and utilized to provide personalized mobility services. Using big data poses serious challenges to data privacy. To that end, the risks of privacy leakage are amplified by data aggregations from multiple sources and exchanging data with third-party service providers, in face of the recent advances in data analytics. This article provides a review of the connected vehicle landscape from case studies, system characteristics, and dataflows. It also identifies potential challenges and countermeasures.
Li, Huaxin, Ma, Di, Medjahed, Brahim, Kim, Yu Seung, Mitra, Pramita
Connections dig deeper19TOFHP04_014/1/2019
More aspects of vehicle operation are being improved by leveraging cellular links. Commercial-vehicle suppliers and owners who have been at the forefront of utilizing connectivity are pushing to gain further improvements. Safety is being enhanced as drivers are monitored for speed and hours, while predictive maintenance and software updating are helping improve efficiency. Equipment suppliers aren't waiting until the advent of 5G cellular links to improve their offerings. Existing cellular systems are being used to improve operations by using data collected from vehicle networks.
Costlow, Terry
Argus responds over-the-air to combat new cyber threats19TOFHP02_072/1/2019
The commercial vehicle (CV) industry provides a unique challenge to cybersecurity companies due to their length of use and multitude of usage profiles that trucks experience. In March 2016, researchers published findings on how simple it is to hack the Telematics Gateway Unit (TGU) on trucks connected to the internet. This report showed existing and potential cybersecurity threats that exist in the CV industry. Argus Cyber Security, a global leader in automotive cybersecurity, recognizes these risks and provides modular solutions to mitigate threats throughout a vehicle's lifespan. “We offer end-to-end cyber software solutions that begin with needs of every customer,” Monique Lance, Marketing Director at Argus Cyber Security told Truck & Off-Highway Engineering. “We have a cyber research team that continually looks at vehicles, vehicle components, and fleets to see how vulnerable they are. At this point, we have had 100% success in protecting vehicles we have from our attempts to hack.”
Borst, Matthew
Automated Flight System SoftwareTBMG-289025/1/2018
Kittyhawk San Francisco, CA +1 415-598-7757
IoT connections transform manufacturing, vehicle validation17TOFHP06_046/1/2017
Commercial vehicles are at the forefront of the Internet of Things (IoT) movement, leveraging the connectivity that many have deployed for years. Equipment manufacturers are using IoT connections to improve their manufacturing operations, upgrade diagnostics to prognostics and improve maintenance operations. Fleet managers have been benefiting from telematic links for years, monitoring trucks and off-highway vehicles to improve efficiency. Before long, most new equipment buyers will be able to benefit from connectivity.
Costlow, Terry
Probabilistic Structural Integrity Framework for Composite Damage ToleranceF-0073-2017-121785/9/2017
ABSTRACT Airframes in the future will include a significant amount of composite material components that need to be designed for both optimal structural efficiency and damage tolerance. Current composite design methodology relies on the establishment of worst-case scenarios for each of the factors that influence the structural capacity and life of airframe components. The layered application of these factors can result in excessive levels of conservatism and maintenance requirements that reduce aircraft availability. The combat aircraft of the future can be designed and maintained based on specific knowledge derived from data driven methodologies to define risk, threat impact, and measured structural response in order to maximize aircraft availability, while ensuring safety and reliability. This work describes an Advanced Structural Integrity Framework (ASIF) that probabilistically models composite residual strength. Full-scale damage tolerance tests of a UH-60M stabilator provided input data for various threat types and severities. Threat probabilities were derived from prior studies and recent fleet repair data. The model estimated the risk of failure in various structural zones to identify areas for reducing conservatism. Trend studies confirmed that the model appropriately responded to changes in composite material properties and threat exposures, thus showing its potential as a powerful structural risk assessment tool for design and fleet management.
Weintraub, Alexander, Gurvich, Mark, Bordick, Nathaniel, Furnes, Kenneth, Bates, Preston, Kiser, Jay
Evaluation of Exhaust Heat Recovery System Effectiveness in Engine Friction Reduction and Fuel Economy Improvement for Indian Hatchback2017-01-01543/28/2017
With the upcoming regulations for fuel economy and emissions, there is a significant interest among vehicle OEMs and fleet managers in developing computational methodologies to help understand the influence and interactions of various key parameters on Fuel Economy and carbon dioxide emissions. The analysis of the vehicle as a complete system enables designers to understand the local and global effects of various technologies that can be employed for fuel economy and emission improvement. In addition, there is a particular interest in not only quantifying the benefit over standard duty-cycles but also for real world driving conditions. The present study investigates impact of exhaust heat recovery system (EHRS) on a typical 1.2L naturally aspirated gasoline engine passenger car representative of the India market. Computational Sciences Experts Group (CSEG) has developed a forward calculating Simulink model of the passenger car in order to calculate the engine loading, engine heat rejection and the exhaust energy generated during a drive cycle. The calibrated model was then used to simulate a Modified Indian Drive Cycle (MIDC), and closely integrated with a transient underhood thermal model to evaluate the warm-up impact and the engine friction reduction attributed to the addition of the EHRS system. This approach can assist in the selection of the appropriate powertrain to optimize fuel economy. Further, the tool and the methodology quantify benefits in real world driving conditions and can help designers make educated investment decisions a cost/benefit and emission impact of the technologies.
Uppuluri, Sudhi, R Khalane, Hemant, Naiknaware, Ajay
Evaluation of Exhaust Heat Recovery System Effectiveness in Engine Friction Reduction and Fuel Economy Improvement2017-26-00301/10/2017
With the upcoming regulations for fuel economy and emissions, there is a significant interest among vehicle OEMs and fleet managers in developing computational methodologies to help understand the influence and interactions of various key parameters on Fuel Economy and carbon-di-oxide emissions. The analysis of the vehicle as a complete system enables designers to understand the local and global effects of various technologies that can be employed for fuel economy and emission improvement. In addition, there is a particular interest in not only quantifying the benefit over standard duty-cycles but also for real world driving conditions. Present study investigates impact of exhaust heat recovery system (EHRS) on a typical 1.2L naturally aspirated gasoline engine passenger car representative of the India market. CSEG has developed a forward calculating Simulink model of the passenger car in order to calculate the engine loading, engine heat rejection and the exhaust energy being generated. Calibrated model was used to simulate Modified Indian Drive cycle (MIDC) drive cycle, and closely integrated with a transient underhood thermal model to evaluate the warm-up impact and the engine friction reduction due to the EHRS system. The approach can assist in the selection of appropriate powertrain to optimize fuel economy. Further, the tool and the methodology quantifies benefits in real world driving conditions and can help designers make educated investment decisions by determining, in advance, the cost/benefit and emission impact of the technologies.
Uppuluri, Sudhi, M Naiknaware, Ajay, R Khalane, Hemant
Leveraging Massively Scalable Data Analytics Technologies to Enable Rapid HUMS-Based Fleet Management Decision SupportF-0072-2016-114775/17/2016
Health and Usage Monitoring Systems (HUMS) generate a significant amount of data used for on-board and off-board monitoring of the health of the aircraft and its components. When this data is aggregated over the life of an aircraft, it becomes an invaluable resource that enables decision making for diagnostics, prognostics, and fleet management. At the fleet level, the amount of data being ingested, stored, and processed becomes a challenge in itself. The capability to easily handle data of this size is critical to be responsive to time-critical inquiries, iterate on data modeling, and enable efficient diagnostics and prognostics algorithm development. This paper discusses how massively scalable data analytics technologies have been used to enable rapid decision support using HUMS and other data sources. Several use cases are highlighted to show the novel opportunities enabled by these technologies along with associated challenges.
Koelemay, Michael, Sulcs, Peter
Cat pipelayers offer power and comfort to operators15MEIP12_2612/1/2015
Independent, variable-speed winches for the boom and hook provide precise control, and an enhanced counterweight system ensures a low center of gravity in Caterpillar's new PL72, PL83, and PL87 pipelayers. A new ROPS (roll-over protection structure) provides added safety for both open and enclosed operator's stations. The new, purpose-built Pipelayer cab is now pressurized and incorporates new operator-comfort and convenience features. Cat says the new pipelayers were designed to offer the industry increased lift capacity, enhanced slope capability, ease of operation, and transportability. Rated lift capacity (at tipping point) for the PL72 is 90,000 lb (40,823 kg), 170,000 lb (77,111 kg) for the PL83, and 216,000 lb (97,972 kg) for the PL87. A non-suspended, elevated-sprocket undercarriage provides ample track-on-ground for added stability.
Broge, Jean L.
Design and Implementation of Aircraft System Health Management (ASHM) Utilizing Existing Data Feeds2015-01-25879/15/2015
The Aircraft System Health Management (ASHM) tool is a UTC developed web application that provides access to Aircraft Condition Monitoring Function (ACMF) reports and Flight Deck Effects (FDE) records for Boeing 787®, A320®, and A380® aircraft. The tool was built with a flexible architecture to field a range of off-board diagnostics and prognostics modules designed to transform an abundance of data into actionable and timely knowledge about fleet health. This paper describes the system architecture and implementation with a focus on “lessons learned” in applying diagnostic and prognostics algorithms to available fleet data. Key topics include ensuring analytic robustness, design for cross-enterprise collaboration and defining a workable approach to testing, validating and deploying prognostics and diagnostics models with various degrees of complexity. A case study is provided related to fluid leak detection within an environmental control subsystem.
Smith, Matthew, Sulcs, Peter F., Walthall, Rhonda, Mosher, Mark, Kacprzynski, Gregory
Growth in TELEMATICS CAPABILITIES BRINGS MORE BENEFITS to more users14OFHD08_018/7/2014
Broader coverage, more features highlight the potential for increased connectivity and communication from the field. Telematics services are rapidly moving from a luxury option to a commonly used tool. Expanded capabilities and improved coverage continue to make it easier for fleet owners and private operators to justify the expense of connectivity. One aspect of this growth in services comes from providers who are helping operators in remote areas stay connected when cellular connections are not available. At the same time, they are offering more features, giving operators and maintenance staffs more information about what's going on in the vehicle.
Costlow, Terry
Merge Ahead: Integrating Heavy Duty Vehicle Networks with Wide Area Network Services2010-01-205310/5/2010
Commercial vehicle operators have many options available to them for managing their assets. Whether in an on-highway fleet, agricultural / off-road, construction, or military, available real-time vehicle information is growing. While accessing this data via applicable Wide Area Networks (WANs) is commonplace, new technologies are just beginning to develop to take advantage of all of the connectivity possibilities to further aid in delivery of goods and services. As an enabler to expanding these fleet management applications, vehicle on-board networks (commonly referred to as “in-vehicle” or simply “vehicle networks”) are expected to support a growing number of vehicle related technological solutions. This paper provides background on vehicle networks, including key terminology, an introduction to standards based protocols, and critical SAE vehicle network related standards. While an historical view of vehicle network topologies and a rationale for the very first vehicle networks is summarized, growth applications such as fleet management system use of vehicle network data generated is emphasized. To provide an understanding of the importance of a vehicle network backbone, a comparison to modern local area networks (LANs) is provided, along with the structure of the data packets or Protocol Data Units (PDUs). Next, standards based vehicle networks supporting Heavy Duty vehicles are described to explain information is conveyed. These standard protocols include SAE J1708 , J1587 , J1939 , J2534 , CAN (ISO 11898), and ATA/TMC RP1210. In order to illustrate how these standard protocols work, this paper provides a detailed overview of SAE J1939 including the J1939 -7 and J1939 -73 standards, as well as Heavy-Duty On Board Diagnostics (HD OB) standard Messaging and Diagnostics that use J1939 . The paper describes how these protocols and those related with LAN and WAN networks complement each other to provide end-to-end connectivity to support a variety of fleet management applications. Next, the promise of leveraging integration of vehicle networks with LANs and Wide Area Networks (WANs) is discussed. While the industry has recently begun the implementation of the aforementioned internetworking, future inter-vehicle networking scenarios will be described, along with proposed standards required for implementation. Finally, the future for vehicle networking is outlined including opportunities for standards development in the area of security, bandwidth allocation, application-specific vehicle network protocols, and emerging WANs.
Zachos, Mark P.
Implementing Competitive Advantages through Emerging Wireless Technologies2007-01-420110/30/2007
The growth of wireless-enabled transportation continues at a high rate as the pervasive use of technology grows. Also, more importantly, the users must understand the advantages of asset management using real time data. Wireless technology will allow simplified service, maintenance, and vehicle management. Value will be generated from the application of the wireless technology to solve vehicle management problems, whether service, operation, or diagnostic related. Unfortunately, for the vehicle system developers, manufacturers and the end customer, it is increasingly difficult to select which method of mobile connectivity is best for a given industry. This paper presents an outline for helping managers answer this question and how they can best use wireless technology for their given situation.
Robertson, Kevin
Contactless CAN Interface: A Standard for Aftermarket Automotive2007-01-17104/16/2007
The use of embedded control units continues to increase in embedded systems such as automotive, trucks, etc. The industry trend is to develop distributed architecture, using embedded networks like CAN bus technology to link the increasing numbers of Electronic Control Units and functions all together. At the same time, there is the need to connect consumer electronics products (telematics and infotainment systems, fleet management systems, Pay As You Drive equipment, black box for insurance, etc) to the distributed electronic architecture of these embedded systems. By this way, electronic devices could take a lot of information from the car and offer more powerful added value functionalities within a limited cost structure. Unfortunately, systems makers don't allow intrusive solutions for safety, reliability reasons and to maintain integrity of their entire systems. So, at this moment, there is no reliable and legal way to integrate consumer electronics devices without compromising the integrity of the vehicle's electronic system in an existing platform in the aftermarket. NSI proposes one way to accomplish this via its CAN contactless technology. Such an interface acts as a 100% spy and neutral system. It extracts data from the embedded networks (CAN bus or other) without any electrical contact to the network's medium. In this way, it follows the system maker's requirements for no degradation to their system integrity. There are plenty of applications for such an interface: fleet management system, CAN spy analyzer and tools, insurance spy equipments and other after market equipments. Such an interface can be a standard way to interface CAN networks to aftermarket automotive products. This paper presents the main characteristics of an innovative CAN contactless solution: Technical presentation of the CAN Contactless interface Reliability of the solution Examples of application
Berenger, Jean-Yves
Connecting sensorsOFHAPR07_034/1/2007
Suppliers and road construction OEMs have teamed to develop an application profile for sensor interfaces. In most road construction equipment, operators need similar types of measurement data from sensors, including position, level, machine speed, distance, roughness, material core temperature, mass flow, and climate data. The sensor controller, a programmable device that processes the sensor values, normally collects the sensor information. In the European research project OSYRIS (Open System for Road Information Support) the participating companies chose the CANopen application layer. Supported by the European Asphalt Pavement Association, the pre-developed profile specification has been handed over to the international users and manufacturers group CAN in Automation (CiA) for further development and maintenance. To improve the sensor interfaces, several CiA members have developed the CiA 415 CANopen sensor system application profile for road construction equipment. One of the original requirements was a high degree of off-the-shelf plug-and-play capability. Other requirements from equipment builders included dedicated sensors and the specification of set points. First prototypes of sensors are now available and implementation into construction equipment is under development.
Mobile Media Revolutionising European Radio Habits2006-21-006910/16/2006
ONDAS Media S.A. (ONDAS) is planning to bring over 150 channels of unique, pan-European and regionalised programming and data services to vehicles, portable and home radios across Europe in a bold move to capture the nascent European market for satellite media. Although similar in concept to satellite radio in America, which has already seen explosive growth, the ONDAS system will have lower costs and more sophisticated hardware and content than available today in the US. Users will need only micro-sized antenna for no-fade reception even on the move as a result of a breakthrough in technology. The driver for the new system will be programming content and ONDAS will provide a broad and unique mix of many music categories, entertainment, global and local news, sports, weather, and data services that European users have never enjoyed before, all in the same service and for a single price.
Azevedo, Celso
Mobile Assets Monitoring for Fleet Maintenance2005-01-14364/11/2005
Fleet managers are continuously looking for ways of increasing the operational efficiency of their fleets and reducing cost. Key aspects are containing downtime, improving fuel economy, reducing maintenance cost, and increasing vehicle residual value. Moreover, there is also great interest in coaching drivers by stressing safety and encouraging best driving practices. Telematic tools are becoming more affordable for monitoring fleet utilization remotely, eliminating the error-prone process of manual recording and providing an efficient way of analyzing vehicle utilization. An important benefit of remote electronic monitoring is in the ability to tailor maintenance practices to fleet operating requirements. An even greater benefit is achieved when the system incorporates remote diagnostic capabilities so that vehicles can be serviced faster and more reliably. On-board vehicle utilization profiling can be combined with off-board model-based predictive analysis for implementing cost cutting measures in servicing the fleets. However, the complexity and affordability of the infrastructure required to support such systems are key issues for making remote fleet monitoring a growing business.
Zanini, Margherita, Bitterman, Alan, Giuliano, Julia
First Standardized, Cost-Effective, Entry-Level Telematics Solution by FIAT Auto and Microsoft2004-21-003110/18/2004
FIAT Auto and Microsoft, the world's sixth-largest carmaker and the world's largest software company, have joined their forces: Combining the expertise of two worlds, FIAT Auto has a comprehensive experience of vehicle development for more than a century. Microsoft brings in an intensive understanding and knowledge of software development for the automotive industry. The goal of the collaborative partnership: to develop an innovative, modular entry-level telematics system. Beginning with 2005, all new models FIAT Auto will launch are either ready for or already equipped with this innovative telematics solution co-developed with Microsoft - a solution that can be incorporated by other carmakers as well.
Audisio, Giorgio
New Telematics Approach by “Diversifying Communication and Customer Opportunity”2004-21-009310/18/2004
Customer satisfaction is one of the most important goals for car manufacturers in providing telematics services to their customers. Telematics is not merely a chance for additional revenue, but should be used to supplement value to an OEM's core business. Unfortunately most existing Telematics business models focus on revenue opportunities. However, the customer value of Telematics still resides in a conventional vehicle–related value model. Typical examples of killer applications are related to transportation, such as real time traffic information, vehicle operation information, vehicle diagnostic information and on–board entertainment. A new approach, which is well accepted by customers, is anticipated. The key solution is a combination of several challenges, such as the transformation of customer relationship management (CRM), optimum integration of existing infrastructure, and customer value proposition based on customers' essential expectations. This paper explores an approach to a new framework of telematics, that is called “New Telematics by Diversifying Communication and Customer Opportunity” as described above.
Nakajima, Toyohei (Tony), Habaguchi, Masayuki, Ohno, Tsuneo
Diagnostics and Prognostics via Telematics for Commercial Vehicles: On-Board Systems2002-01-308811/18/2002
The introduction of wireless communications capability into vehicles provides a means to offer new services centered on remote monitoring, diagnostics and prognostics for vehicle systems linked to the communications channel. This paper examines some important elements of on-board system design necessary to provide these services and indicates how they might be linked into an off-board “decision center” to provide effective services for commercial vehicles.
Marko, Kenneth
Technology and Business Implications for Distributed Telematic Applications2002-21-004710/21/2002
The delivery of Telematic services via integration of communication technologies and in-car information systems has not been a profitable business proposition for a lot of players. Complexity of the overall Telematic service provision chain in which several players are struggling to make their business area profitable has led to complex technological and business models. The overall result has been a costly set of Telematic offerings that has not met with success in the marketplace. This paper discusses the approach and some of the implications associated with modeling and implementing Telematics for success.
Ender, Manfred
Business and Technical Aspects of Open and Proprietary Architectures2002-21-007610/21/2002
This paper will focus on the impact of open versus proprietary architectures on accelerating the development of the telematics marketplace. The effect of open and proprietary architectures will be analyzed based on factors such as impact on innovation (technology advancement), profit, and consumer benefit. Once this foundation has been developed, we will attempt to predict the impact of open versus proprietary architectures on emerging marketplaces. The focus of this part of the paper will be an area where IT and automotive collide: telematics. We'll apply the analysis framework to telematics, drawing conclusions about the overall importance of an open architecture in this market.
Loose, David, Churchill, Barbara, Ruthven, Jim
How to Leverage Enabling Technologies and Drive Benefits with Telematics2002-21-006710/21/2002
Who is going to capture the hearts and minds of the consumers? What companies will benefit by capturing the anticipated value? What mistakes have been made and what have we learned so far? How will Telematics fundamentally change the value chain? What is necessary to make Telematics financially successful? What impact will technology have on adoption of Telematics solutions?
Desai, Raj
A Framework for Information and Diagnostic Systems2002-01-04473/4/2002
Vehicle diagnostics and information systems have followed separate, parallel evolutionary paths. In addition, advances in hardware technology and software architecture are making possible new, integrated systems that provide a wide range of capabilities. These new capabilities require a significant software investment just to create the telematics infrastructure to support wireless access to the vehicle, new displays, or a different vehicle bus interface. This paper discusses the benefits of software architecture for the on-vehicle portion of such a telematics infrastructure, the key drivers for such architecture, and the benefits being realized as the architecture evolves.
Shultz, Roger, Machlab, Hass, Dils, Greg, Smith, Andrew
Web-Based Vehicle Remote Access and Its Application to In-Vehicle Network Integrated Fleet Management2001-01-00673/5/2001
The demands for effective and efficient management of commercial vehicles and freight transport have led to the increasing needs for sophisticated fleet management systems (FMS) for reducing the operation cost of commercial vehicle operation, improving custom service and asset management as well as maintaining the safety and security. The availability and declining costs of telecommunications and information technologies afford opportunities for using real-time information to achieve these targets and the emergence of internet technology make it possible to transfer updated real-time information through more widely available communication media. This paper introduces the web-based remote-access concept for the real-time information acquisition, which has been used to enhance functionality of a dynamic fleet management system. When integrated with in-vehicle network, the information from other intelligent transport system (ITS) devices, along with vehicle electronic control modules, can be made available for a web-based remote fleet management system of vehicle fleet. The structure of an intelligent event engine has been proposed on the vehicle-side for monitoring and controlling of vehicle operations through the combination of web-based communication media and vehicle network technology. The implementation of the proposed method on a Truck System Concept Verifier has been used to demonstrate feasibility of the web-based remote access to enhance functionality of a dynamic FMS.
Ni, Yongxi, Nwagboso, Christopher, Samuel, Jim
“Telematics Business focused on e-services”2000-01-319912/1/2000
The approach of the proposed technical work: - Brazilian market needs and requirements - The Internet growing up and Telematics, - Potential business to be found out, - Technical approach, - Conclusions
Abrahão, Luciano B., Specht, Stefan, Onusic, Helcio, Ventura, Luso M.
“The Road Transport Satellite Services for Brazilian Market”1999-01-298812/1/1999
Straat, José Luis A Moraes Marc, Abrahão, Luciano B., Palácios, Sílvio, Onusic, Helcio
Potentials of Onboard Diagnostics and Monitoring and the Impact on the Enterprise Infrastructure98C05110/19/1998
This paper will first take a look at what kind of services onboard diagnostics and monitoring offer. This is done by briefly looking at both the automotive and the aviation industry. Following this, a closer look is taken at the potentials of such systems. Particular attention is given to potential benefits of onboard diagnostics and monitoring in connection with other backend systems. Again, the paper takes examples from related industries (namely aviation and truck fleet management) to generate ideas. Finally, a look is taken at the impact that the realization of the full potential of onboard diagnostics and monitoring might have on the enterprise IT infrastructure, particularly related to enterprise IT systems such as data warehouses or data marts for vehicle data.
Snook, Harry, Alfaro, Enrique
Fleet Management of the Future98C05910/19/1998
This paper deals with fleet management systems and the means to integrate new communication and computer technologies to improve transportation companies efficiency. It focuses on the integration of embedded electronic systems for communication and data management through the use of on-board computers, taking the point of view of the truck manufacturer. It introduces the idea of making the vehicle a nod of a complete communication network. After briefly presenting fleet management problematic and some of the major existing solutions, it analyzes how new technologies can be integrated and what major advantages they would bring.
Bonifas, J., Rini, G., Marichalar, S.
Wireless Technologies: Overview for Automatic Vehicle Location Applications9811492/23/1998
Defining the wireless marketing is a challenge in today's world. Companies interested in capitalizing on the wireless market for automatic vehicle location (AVL) have a number of wireless options from which to choose. One of the most exciting wireless combinations is GPS (Global Positioning System) and cellular systems. The Global Positioning System (GPS)/cellular combination can be used to create Automatic Vehicle Location systems for a wide variety of applications, from fleet management to personal security. Unfortunately, no single wireless network fits all the possible AVL applications, and choosing the best network for an application is essential to system performance. This paper reviews the current wireless technologies available in the market-place, discusses why ATX chose the wireless technology it uses, and gazes into the crystal ball to forecast the future of wireless.
Herring, Russell M.
Technical Fleet Management for Goods Transportation95229610/1/1995
“Technical fleet management” as an aspect of fleet management refers to those measures and actions taken in order to monitor and maintain reliable operation of the vehicle, thus supporting fleet, workshop and drivers. Various on-board systems record and process the required data. Mobile data communication systems are available for remote monitoring. Such systems are used in the commercial domain of fleet management with a higher information exchange frequency, and thus, for economical reasons, technical fleet management must utilize these existing systems for information transmission. Due to the complexity of technical fleet management systems, hardly any suppliers of complete systems exist on the market. Therefore, an intense cooperation of different suppliers is needed for overall design and development..
Braun, Fritz, Povel, Rolf
Electronics Maintenance in Truck and Bus Fleets91270311/1/1991
The Bus and Heavy Truck Industry is rapidly coming into the electronic age. Ancillary and convenience items are increasingly dependent on electronics for control and operation. Maintenance requirements for these systems have changed as they incorporate transistors in place of relays adding a new demand on the infrastructure in place to maintain these vehicles. Vehicle and product documentation includes circuit logic diagrams which succinctly describe electronic devices. These devices use solid state components sized for the design loads. Troubleshooting these systems requires new skills and equipment and fleet management must determine the level of skills necessary to maintain their electronic systems and provide adequate training for their personnel. This paper will describe the two basic types of solid state controllers, discrete logic and microprocessor, and options available to facilitate maintenance. It will discuss the fleet operator's role in improving maintainability by providing contract language that will require new diagnostic provisions. Finally, a sample evaluation test covering basic electronic knowledge and electrical theory which may help to identify areas where maintenance personnel need additional training.
McDowell, Jim
Integrated Communications Architecture for Road Transport Informatics91283910/1/1991
The field of Road Transport Informatics (RTI) has spurred a substantial interest in the development and adaptation of a diverse range of technologies for vehicle-infrastructure communications. Candidate technologies for early implementation include FM RDS-TMC, short-range beacons and cellular mobile radio GSM. This paper reviews some of the major characteristics of these systems and debates some of the issues influencing the design and integration of communications technologies for RTI. Next, a possible integration framework which essentially acts to decouple RTI applications from communications networks is described. The aim is to facilitate end-to-end communications between any two application systems which need to communicate, regardless of the network to which each is attached. This concept leads to the notion of a virtual RTI network and is currently under investigation to determine its viability and applicability.
Wall, Nigel, Zijderhand, Fred, Freij, Ghassan, Rokitansky, Carl
Driver Information Systems: What's Next91285610/1/1991
The paper provides an overview of some of the key technological issues and market constraints affecting the growth of driver information and navigation systems in the short to medium term. It covers trends in relevant technologies, generic markets for driver information systems, technical constraints on product development, issues affecting user demand, directions of growth, and identifies some key aspects for further analysis. Two particular issues are raised. The first relates to the need to treat driver information systems as subscriber services, and the other notes the expected entry of hand-held navigation and communication products to the market.
Querée, Christopher
Integrating Geographic Information System (GIS) and Automatic Vehicle Location (AVL) Technologies for Improving the Emergency Response Capabilities of Electric Utilities91273910/1/1991
An integrated system combining Automatic Vehicle Location (AVL) technology, Geographic Information Systems (GIS), and analytical models is proposed for the improvement of the emergency response operations in the electric utility industry. The analytical models require real time accurate information related to the spatial distribution of the field units which is provided by the AVL system and information related to the underlying transportation network managed by the GIS.
Zografos, Kostas G., Douligeris, Christos
A Universal Diagnostic Platform for the Heavy Truck Industry-Background and Overview89251211/1/1989
The migration of electronically controlled components to the heavy truck necessitates equally as sophisticated computers in the service area to diagnose and isolate the faults identified by the component and posted via the SAE Recommended data link (currently J1708). To date our industry's component manufacturers have taken a direction of developing unique “manufacturer specific” computerized diagnostic technologies. This paper: (a) outlines an alternative uniform technical environment, referred to as the Universal Diagnostic Platform for the Heavy Truck Industry, (b) covers the background leading up to this recommendation, (c) states the current status of industry wide activity related to this topic and (d) makes recommendations to the industry.
White, Jon F.
The Utility of Low Cost Vehicle Navigation Systems for Fleet Management Applications8702172/1/1987
Inexpensive vehicle navigation systems have recently become available which allow drivers to quickly and easily drive to unfamiliar destinations. Beyond the proven utility of these invehicle systems in stand-alone applications, these systems may prove to be vital elements of fleet management systems. This paper describes a standalone vehicle navigation system and its application to fleet management systems.
Honey, Stanley K., White, Marvin S., Zavoli, Walter B.
Heavy Vehicle Electronic License Plate (HELP) System8514568/1/1985
This paper undertakes the review of the history of the development of the Heavy Vehicle Electronic License Plate (HELP) concept developed by the Arizona Department of Transportation. The review encompasses a detailed technical explanation of the HELP concept and gives the various components’ relationships to the total system. An explanation of vehicle transponder/data collection site/central processing is given along with a brief overview of system economics and current research direction.
Schmitt, Louis A.
Applications of Monte Carlo Simulation to Vehicle Maintenance and Component Remanufacturing Decisions8305502/1/1983
As component and systems sophistication in both cars and trucks increase, improved diagnostic capabilities are required to assure proper and expedient serviceability. Replacement of electrical modules, starter motors, carburetors, fuel injectors and even whole engines or transmissions is encouraged by high labor costs and continued vehicle mobility mandates. The remanufacturing business has grown and components previously discarded now provide valuable core elements to feed the industry. To achieve efficient utilization of capital, equipment and labor, remanufacturers must estimate when this supply of core elements will be available and plan their production schedules accordingly. In order to properly service private individuals and commercial fleets, minimize vehicle downtime and reduce life cycle costs, adaptation of available analytical tools must be made. This paper adopts the Monte Carlo simulation model as a predictive tool for OEM's, remanufacturers and large fleets to gauge the requirements for maintenance and facility requirements.
Rutter, R. R., Bothe, D. R., Mitchell, R. L.
The 1980’s and the Company Car Fleet81138011/1/1981
JMJ Fleet Management in Australia has helped its Corporate clients to maintain contemporary fleet policies throughout the seventies, and explains here how that experience will be applied in the eighties. Professional fleet management has increased in importance as companies seek ways to improve their fleet selection techniques, and to control their fleet operations. The Australian fleet operator is faced with unique challenges within the highly protected motor vehicle market, and the vast sparsely populated areas of the country. Correct vehicle selection and tight control of operations are critical in this environment, and the lessons from this Australian experience provide useful information for fleet operators throughout the Pacific region.
Joel, Jack M.
VMRS - the American Trucking Associations Maintenance Reporting Standards7802682/1/1978
Maintenance records, often talked about, but seldom deemed creditable when management determines that some type of action is required. Comparing maintenance performance and costs has been a frustrating as well as a misleading exercise. In 1969, the American Trucking Associations, Inc. undertook the development of the first uniform vehicle maintenance reporting system by and for the industry. The basic research included for hire carriers, private carriers, government fleets, as well as manufacturers and suppliers. The end product was released in 1970 under the title Vehicle Maintenance Reporting Standards. This was ultimately shortened to VMRS. Since 1970, VMRS has been adopted and installed in a large number of fleets in the United States, Canada and Europe. The results have been significant. Industrywide data base reports have become available where, for the first time, true and meaningful statistics are being generated using VMRS. Several manufacturers have adopted the VMRS coding, thus we now have available a truly universal system developed for and adopted by all facets of the transportation industry.
Paquette, J. E.
Computerized Preventive Maintenance - Is it Worthwhile?7106682/1/1971
The costs of truck maintenance record keeping can be significantly reduced by the use of predesigned computer programs. Sufficient maintenance detail may be recorded, classified, and presented in a manner which will enable management to make meaningful maintenance evaluations of their fleet. These programs can provide historical as well as current maintenance data on each unit within a given fleet. Data, initially recorded on forms by the individual mechanic or driver, is edited by clerical people and electronically recorded. The records are then converted into specific maintenance cost reports classified by both vehicle and fleet.
Baker, William H.
Approaches to Data Processing for the Small Fleet6801572/1/1968
The small fleet manager should execute an approach to data processing in three phases. The first, called the why phase, consists of reasons for data processing. The second, the what phase, details what information is required by the fleet manager. Such data may originate in other departments, but the format and scheduling of the information should be determined by the fleet manager. The final phase determines how data processing will be applied to produce needed information from available data.
Buys, Clifford R.
Effect of Data Processing on Ground Transportation Fleet Management6801542/1/1968
Perhaps the most important requirement in a large fleet is to control effectively equipment maintenance costs and inventories, with emphasis on vehicle replacement policy, optimum life expectancy, and repair guidance. Data processing is the only practical way to obtain such information as is needed to achieve these ends. This paper describes how a broad concept using data processing is applied to managing a ground transportation fleet. A program to preplan and control vehicle maintenance and replacement is described.
Wall, S. J.
Multistop Delivery Vehicle Selection6102431/1/1961
Herfurth, Walter R.
WHY CHASSIS DYNAMOMETERS IN FLEET MAINTENANCE5803441/1/1958
MACKEY, G. R.
Fleet Management: A Job Evaluation5302331/1/1953
SINCE there are nearly 22,000 fleets of trucks, comprising a total of 1,260,000 vehicles, operating in the nation, this author presents a review of management factors that should have wide appeal. Within the scope of fleet management he considers reduction of capital expenditure and operating expenses, and facilitation of executive supervision. Equipment selection and retirement, maintenance, and vehicle operating techniques are among the topics discussed. He emphasizes the need for better understanding and cooperation between the fleet owner and the truck manufacturer, thus correlating actual field service with design and production engineering problems.
Preble, T.L.
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