Browse Topic: Quality control

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The Logistic Lasso and Ridge Regression Algorithm-Based Airline Passenger Satisfaction Prediction Model2025-01-716803/19/2025
Airline passenger satisfaction is important for airline operation service quality management. When airline companies carry out advertisement campaigns or plan a marketing strategy, the resources and budgets are not unlimited. Thus, an airline can only focus on improving a few factors that drive passenger satisfaction. To understand the key satisfies for the young and the old adults, respectively, we leverage five airline passenger satisfaction methods to identify the key factors that explain the airline service satisfaction of different passengers. In particular, we investigate and compare the ridge and the Lasso regularization in terms of the resulting model’s sparsity and computational efficiency. The top three important factors that influence the old’s satisfaction are departure and arrival time convenience, legroom service, and baggage handling. Our findings indicate that the young people place a higher value on entertainment, while the old adults place a higher value on usefulness
Ma, Jie, Hu, Song, Wang, Haipeng
Technical Paper
Experimental Study on Quality Control and Variable Valve Timing Strategy of Hydrogen Engine for High Efficiency and Low Emission at Low Load2024-01-509510/15/2024
In order to reduce the pumping loss of low loads and maximize the lean combustion advantage of hydrogen, the paper proposes a load control strategy based on hydrogen mass, called quality control, for improving thermal efficiency and emissions at low loads. The advantages of quality control and the effect of VVT on the combustion performance of hydrogen internal combustion engines under low loads were discussed. The results show that when the relative air–fuel ratio (λ) increases to more than 2.5, the NOx emissions are reduced to less than 3.5 g/kW · h at the brake mean effective pressure (BMEP) below 8 bar, especially when the BMEP is less than 5 bar, the NOx is within 0.2 g/kW · h. Compared to quantity control based on air mass, the quality control strategy based on hydrogen mass achieves over a 2.0% reduction in pumping loss at BMEP levels lower than 4.4 bar. Furthermore, it enhances thermal efficiency by up to 5% at low loads, while maintaining NOx emissions within 0.2 g/kW · h at
Li, Yong, Chen, Hong, Fu, Zhen, Du, Jiakun, Wu, Weilong
Technical Paper
An eleventh one for CUR-1174PC11-CUR-1174 (Current)04/02/2024
Italic
Flight Simulator Engineering and Maintenance Committee
Information Report
Research on the control strategy of active gear shifting sound quality in the vehicle2025-01-001905/05/2023
The active sound synthesis system of electric vehicles plays an important role in improving the sound perception and transmission of working condition information inside the vehicle. Nowadays, the active sound synthesis system inside the vehicle has become standard in electric vehicles of major Major automobile manufacturing plants to meet the user groups' demand for driving and riding experience. Starting from the existing in-vehicle active sound synthesis algorithm, this paper designs a gear shift control strategy suitable for all working conditions. During acceleration, in order to achieve the gear shifting effect, the motor speed signal is obtained to bias the speed at the shift point. During deceleration, in order to prevent a sudden increase at the shift point, the speed of the deceleration condition is linearly interpolated to make the shifting process of the deceleration condition smoother. During acceleration after deceleration, in order to avoid the uneven sound jump at the
xilong, zhou, Liu, Zhien, Xie, Liping, Lu, Chihua, Yu, Shangbo, GAO, XIANG, yongsheng, wang
Technical Paper
Localisation of Ultra-short Sound Emissions from Automotive Components by Using the Sound Field Scanning Method2025-01-009205/05/2023
Design verification and quality control of automotive components require the analysis of the source location of ultra-short sound events, for instance the engaging event of an electromechanical clutch or the clicking noise of the aluminium frame of a passenger car seat under vibration. State-of-the-art acoustic cameras allow for a frame rate of about 100 acoustic images per second. Considering that most of the sound events introduced above can be far less than 10ms, an acoustic image generated at this rate resembles an hard-to-interpret overlay of multiple sources on the structure under test along with reflections from the surrounding test environment. This contribution introduces a novel method for visualizing impulse-like sound emissions from automotive components at 10x the frame rate of traditional acoustic cameras. A time resolution of less than 1ms eventually allows for the true localization of the initial and subsequent sound events as well as a clear separation of direct from
Rittenschober, Thomas
Technical Paper
angular upgrade testSAE-PP-0782804/11/2023
testing upgrade
Rickard, Christopher
Pre-Print Article
Why Cleanroom Assembly of Plastic Medical and Electronic Devices Requires Ultrasonic Welding TechnologyTBMG-4646409/01/2022
For years, ultrasonic welding has been used in cleanrooms where plastic components are assembled to complete medical and electronic devices. That is unlikely to change. What is changing, however —rapidly — is the sophistication and complexity of these products and the level of precision and quality required to complete their assembly.
Magazine Article
A DFSS approach to optimize the Hood design parameters to improve durability performance2022-01-092303/29/2022
ABSTRACT In the Vehicle front closure development process, it is very important to meet the durability functional attributes such as Fit and finish, slam event and ease of closing effort. Conventionally softer seal & bump-stop stiffness properties are required for better flushness, but a stiffer seal & bump-stop will help to arrest the hood over travel during the slam event. It is always a challenging and iterative process to arrive at an optimum combination of these design parameters to meet both the flushness and slam targets. This paper highlights the six sigma approach to identify the effect of various control factors like Seal & Bump stop stiffness, latch position, bump-stop design clearance to meet the durability functional attributes. This approach suggests optimum design which is less sensitive to noise factors such as build tolerances on the latch position and the bump-stop design clearance. The learnings from this paper will help to improve design at the early stages of the
VS, Krishnaraj, Golla, Rama Raju
Technical Paper
Development of a CAE Modeling Technique for Heavy Duty Cargo Weight using a DFSS Methodology2022-01-092503/29/2022
Cargo box is one of the indispensable structures of a pickup truck which makes it capable of transporting heavy cargo weights. This heavy cargo weight plays an important role in durability performance of the box structure when subjected to road load inputs. Finite element representation for huge cargo weights is always challenging, especially in a linear model under dynamic proving ground road load durability analysis using a superposition approach. Any gap in virtual modeling technique can lead to absurd cargo box modes and hence durability results. With the original computer aided engineering (CAE) approach, durability results could not correlate much with physical testing results. It was crucial to have the right and robust CAE modeling technique to represent the heavy weight to provide the right torsional mode of the cargo box and good durability results. As there were multiple variables owing to heavy cargo weight, Design for Six Sigma (DFSS) methodology was used to develop a
Pankaj, Ananta Vijaya, Nazir, Fazil, Zhang, Weidong, Guo, Mingchao
Technical Paper
Recycled Personal Protective Equipment (PPE) in Automotive Components: A World-First to Reduce Single-Use Medical Plastic Waste2022-01-090703/29/2022
The Covid-19 pandemic has significantly increased the amount of single-use plastic, especially as personal protective equipment (PPE) like gloves, disinfecting wipes, and medical-grade facemasks have become common among the general public. The need for public health, however, has ushered in a pandemic of another kind: one of environmental harm. Although efforts have been made to prolong use or otherwise reduce waste of these items, many areas have already seen negative effects of both properly discarded and littered PPE. It is estimated 89 million masks are used globally per month, and in the U.S. alone, the healthcare system generates 5 million tons of medical waste annually, not including drastic scale-up during the pandemic. Other countries have up to eighteen times that amount, far exceeding capacity at disposal facilities. To reduce the environmental threat from these items, which have become necessary to maintain public health, the Hyundai-Kia Materials Development Department
Nummy, Amanda
Technical Paper
Enhanced SAE 3 link Leaf Spring Model to Generate Durability Virtual Loads2022-01-034003/29/2022
Heavy-duty truck vehicles are generally equipped with leaf spring suspensions. Conventionally, beam elements are used in multibody software to build the leaf spring model to calculate virtual loads. Beam elements require a high computation time due to their numerous degrees of freedoms and force components introduced by beam connections, interleaf contacts, friction, etc. Again, in these simulations, solvers frequently fail in durability loads analysis due to sudden spike in accelerations, high suspension articulation coming from severe road profiles. These drawbacks lead to the use of simplified three-link mechanism models to simulate the leaf spring’s behavior, which is computationally faster. However, the current approach is less accurate as compared to the beam element model because this model has only a torsional spring which accounts for vehicle bounce condition. In reality, the leaf spring suspension system is also subjected to cornering and braking while running on road
Dixit, Navnit, Venkatesan, Dhanasekar, Pardeshi, Ravasaheb
Technical Paper
Evaluation of the Impact of Driving Cycle and Driving Habits on the Fuel Consumption of Commercial Vehicles2022-01-064003/29/2022
The goal of this study was to evaluate the effect of driving cycle and various driving habits on fuel efficiency. The track tests were conducted based on the SAE J 1321 Fuel Consumption Test Procedure-Type II, with various vehicles in various loading states. Several duty cycles were replicated on the track, such as a local delivery cycle developed based on the operational data, urban school bus cycle, and an aggressive stop-and-go cycle. Drivers were allowed to accelerate and decelerate according to their assigned driving techniques. Therefore, the drivers using moderate driving techniques followed the drive cycle, while the drivers using aggressive and eco-friendly techniques used the speed steps as targets, with varying acceleration and deceleration profiles. For some tests, the drivers noted that for the tests with loaded vehicles, it was difficult to simulate the aggressive technique, the acceleration pedal was not responding well, and there were delays in engaging the gears. The
Surcel, Marius-Dorin
Technical Paper
Inspection, Ultrasonic Product Over 0.5 Inch (12.7 mm) ThickAMS2630E-TEST-REC (Historical)11/09/2021
This specification covers procedures for ultrasonic inspection, by pulse-echo procedures, of flat, rectangular, round, cylindrical, and contoured products having a thickness or cross-sectional dimension greater than 0.5 inch (12.7 mm), using either contact or immersion methods, and using the longitudinal-wave or shear-wave modes or combinations of the two, as necessary. This specification may apply to testing finished machined parts provided the parts can meet the basic testability requirements, such as size, contour, metallurgical structure, and thickness.
AMS K Non Destructive Methods and Processes Committee
Material Specification
Inspection, Ultrasonic Product Over 0.5 Inch (12.7 mm) ThickAMS2630E (Current)11/09/2021
This specification covers procedures for ultrasonic inspection, by pulse-echo procedures, of flat, rectangular, round, cylindrical, and contoured products having a thickness or cross-sectional dimension greater than 0.5 inch (12.7 mm), using either contact or immersion methods, and using the longitudinal-wave or shear-wave modes or combinations of the two, as necessary. This specification may apply to testing finished machined parts provided the parts can meet the basic testability requirements, such as size, contour, metallurgical structure, and thickness.
AMS K Non Destructive Methods and Processes Committee
Material Specification
Brake Lining Quality Test ProcedureJ661_202110 (Current)10/26/2021
The purpose of this SAE Recommended Practice is to establish a uniform laboratory procedure for securing and reporting the friction and wear characteristics of brake linings. The performance data obtained can be used for in-plant quality control by brake lining manufacturers and for the quality assessment of incoming shipments by the purchasers of brake linings.
Brake Linings Standards Committee
Recommended Practice
Inspection and Test Quality Systems, Requirements for Aviation, Space, and Defense OrganizationsAS9003B09/30/2021
Price increases in effect for this document as of January 2017 reflect a new copyright agreement for use of ISO 9001:2009. This standard includes selected quality system requirements from ISO 9001:2008[1] and AS9100:2009 applicable to noncomplex products and associated manufacturing processes. ISO 9001 text incorporated into this standard appears in standard font; while aviation, space, and defense industry additional requirements, definitions, and notes are presented in bold, italic text. The requirements of this standard are intended to be applied in whole, without any exclusions. Compliance with all corresponding AS9100 requirements is considered to meet/exceed compliance with the requirements of this standard. The requirements specified in this standard are complementary (not alternative) to contractual and applicable statutory and regulatory requirements. Should there be a conflict between the requirements of this standard and applicable statutory or regulatory requirements, the
G-14 Americas Aerospace Quality Standards Committee (AAQSC)
Technical Paper
Study of Fuel in Oil Dilution Due to Aftertreatment Regeneration in Automotive Diesel Engine2021-26-018409/22/2021
The Bharat Stage VI emission norms in India is driving the use of more complex after treatment systems for diesel engines. The after-treatment system typically includes DOC, DPF and SCR to reduce the engine out hydrocarbon, particulates & NOx respectively. For a durable functioning of the after-treatment system, cleaning of these components at regular intervals is required. One such method is to burn the diesel fuel inside DOC, to clean the DPF and SCR, a process called regeneration. Regeneration involves using extra diesel fuel injected into the exhaust stream, which gets oxidized in the DOC thereby regenerating the DPF or SCR. Present technology uses the existing injectors in the diesel engine for regeneration which is cost effective and simpler compared to the external hydrocarbon dosing system. In-cylinder hydrocarbon dosing is associated with the risk of fuel getting mixed with engine oil. This happens because the regeneration fuel is injected in the exhaust stroke where the
Vinay P, Ashwyn, Verma, Utkarsh, Goswami, Imon, Suresh, Swathy
Technical Paper
Bump steer and Brake steer optimization in steering linkages through TAGUCHI method DOE analysis2021-26-007909/22/2021
Due to recent infrastructural development and emerging competitive automotive markets in India, there is seen a huge shift in customer’s demand and vehicle drivability pattern in commercial vehicle industry. Now apart from ensuring better vehicle durability and best in class tyre life and fuel mileage, a vehicle manufacturer also has to focus on other key attributes like driver’s safety and ride comfort. Thus, for ensuring enhanced drivability, key parameters for ensuring better vehicle handling includes optimization of bump steer and brake steer. Both bump steer and brake steer are vehicle’s undesirable phenomenon where a driver is forced to constantly make steering wheel correction in order to safely maneuver the vehicle in the desired path. Since both bump steer and brake steer are caused due to the interactions of several vehicle parameters such as – drop arm and steering arm hard point, suspension stiffness, suspension eye and shackle position, caster angle, draglink length etc
Chopra, Nitin, P, Mahadevan
Technical Paper
Air Quality improvement in air conditioner bus saloon through Carbon activated filters2021-26-031209/22/2021
India being a developing nation, there is significant improvement in road infrastructure across the country as well as the spending power and earnings of the common man. This leads to the new trend of customers become health and comfort conscious and willing to pay more for better and improved transportation. To satisfy these demands, OEM's are developing more numbers of AC buses. Although the OEM's are meeting this demand of quantity, the quality of air from air conditioner is still subpar. One of the main reasons for this poor air quality is because of the ineffectiveness of conventional air conditioner air filters to control particulate materials i.e. PM2.5, biological pollutants i.e microbes, bacteria, viruses, and gaseous pollutants i.e. CO, CO2, SO2, NOX, O3 & VOCs in air. As per various researches, health problems associated with bus occupant compartment air quality appear more frequently. In this paper, research is shown on bus air quality improvement with respect to
Dwivedi, Ajay Kumar, Pahade, Atul, Thakur, Jitendra
Technical Paper
Mitigation of Engine Sub-system Noise in Two Wheeler Using Crank Angle Domain Analysis2021-26-030609/22/2021
One of the main objective of manufacturer is to achieve high productivity with low cost while increasing the customer satisfaction. With increased competition in the automotive sector the product quality is defined not only from fuel economy and durability perspective but also Noise, Vibration and Harshness (NVH), which plays a vital role in attracting the customers. In two wheeler, engine is dominant noise source and its quality improvement is utmost priority. Now a days, several signal processing and sensing techniques are developed for noise source identification of an engine but precise source identification can be achieved only by advanced analysis technique. This paper focuses on a procedure for noise source identification from engine sub-system viz. valve operation and its generation mechanism using crank angle domain analysis in two wheeler engine. Baseline noise measurements were carried out for critical frequency identification. Further, vibro-acoustic measurements were
Jagdale, Yogeshwar Pundlik, Askhedkar, Amlesh, Arimboor, Kuriyan
Technical Paper
Evolution and Future Development of Vehicle Fuel Specification in China2021-01-120109/21/2021
Fuel quality has a significant influence on the combustion engine operation. In recent years the increasing concerns about environmental protection, energy saving, energy security and the requirements of protecting fuel injection and aftertreatment systems have been major driving forces for the Chinese fuel specification evolution. The major property changes in the evolution of Chinese national gasoline and diesel standards are introduced and the reasons behind these changes are analyzed in this paper. The gasoline fuel development from State I to State VI-B involved a decrease of sulfur, manganese, olefins, aromatics and benzene content. The diesel fuel quality improvement from State I to State VI included achieving low sulfur fuels and a cetane number (CN) increase. Provincial fuel standards, stricter than corresponding national standards, were implemented in economically developed areas in the past. Currently only Beijing is still implementing regional standards with national
Guo, Zexian, Liu, Zemin, Shuai, Shijin
Technical Paper
Implementation of Lean Operation User ManualJ4001_202109 (Current)09/21/2021
SAE J4001 provides instruction for evaluating levels of compliance to SAE J4000. Component text (Sections 4 to 9) from SAE J4000 is included for convenience during the evaluation process. Applicable definitions and references are contained in SAE J4000. SAE J4000 tests lean implementation within a manufacturing organization and includes those areas of direct overlap with the organization’s suppliers and customers. If applied to each consecutive organizational link, an enterprise level evaluation can be made. SAE J4001 relates the following approximate topic percentages to the implementation process as a whole: SAE J4001 is to be applied on a specific component basis. Each of the 52 components tests part of, one, or multiples of the specific requirements of lean implementation. Implementation throughout an organization may be measured by evaluating all of the components. The level of compliance for each component relative to best practice may be used as a reference by an organization to
Automotive Quality and Process Improvement Committee
Recommended Practice
Implementation of Lean Operation User ManualJ4001_202109-TEST-REC (Historical)09/21/2021
SAE J4001 provides instruction for evaluating levels of compliance to SAE J4000. Component text (Sections 4 to 9) from SAE J4000 is included for convenience during the evaluation process. Applicable definitions and references are contained in SAE J4000. SAE J4000 tests lean implementation within a manufacturing organization and includes those areas of direct overlap with the organization’s suppliers and customers. If applied to each consecutive organizational link, an enterprise level evaluation can be made. SAE J4001 relates the following approximate topic percentages to the implementation process as a whole: SAE J4001 is to be applied on a specific component basis. Each of the 52 components tests part of, one, or multiples of the specific requirements of lean implementation. Implementation throughout an organization may be measured by evaluating all of the components. The level of compliance for each component relative to best practice may be used as a reference by an organization to
Automotive Quality and Process Improvement Committee
Recommended Practice
Carburizing and Heat Treatment of Carburizing Grade Steel PartsAMS2759/7E (Current)09/15/2021
This specification, in conjunction with the general requirements for steel heat treatment covered in AMS2759, establishes the requirements and procedures for three classes of gas, vacuum, liquid, and low pressure (LPC) carburizing and related heat treatment of parts fabricated from carburizing grade steels. Parts made from steels other than those specified in the detail specifications may be heat treated in accordance with the applicable requirements using processing temperatures, times, and other parameters recommended by the material producer unless otherwise specified by the purchaser. This specification does not cover pack carburizing.
AMS B Finishes Processes and Fluids Committee
Material Specification
Achieving High Marks for Medical Device Makers: Ultrashort Pulse LasersTBMG-3976509/01/2021
Reliability is vital for medical device manufacturers. To accommodate such high levels of dependability, device makers use quality process control and before-market and after-market traceability to ensure the highest level of integrity and compliance for their devices and instruments. This article addresses the challenging medical device marking concerns for device makers and shows how ultrashort pulse laser marking systems can solve this critical issue.
Magazine Article
Aircraft Ground Deicing/Anti-Icing Quality ManagementAS6332A (Current)07/29/2021
This document establishes the general requirements for the quality management of aircraft ground deicing/anti-icing systems and processes. It covers the areas of: Quality system, documentation, and control of records; Management responsibility; Resource management; Product realization; and Measurement, analysis, and improvement. This document defines these areas and their key aspects so they can be practically managed, and that deicing operations can become safer with time. In alignment with AS6285 and AS6286, the primary focus of this standard is on the deicing/anti-icing of aircraft using deicing and anti-icing fluids.
G-12T Training and Quality Programs Committee
Technical Standard
Aircraft Ground Deicing/Anti-Icing Quality ManagementAS6332A-TEST-REC (Historical)07/29/2021
This document establishes the general requirements for the quality management of aircraft ground deicing/anti-icing systems and processes. It covers the areas of: Quality system, documentation, and control of records; Management responsibility; Resource management; Product realization; and Measurement, analysis, and improvement. This document defines these areas and their key aspects so they can be practically managed, and that deicing operations can become safer with time. In alignment with AS6285 and AS6286, the primary focus of this standard is on the deicing/anti-icing of aircraft using deicing and anti-icing fluids.
G-12T Training and Quality Programs Committee
Technical Standard
SAE TOMORROW TODAY: Uncovering the Hidden World of Used Electric Vehicles1315507/23/2021
Electric vehicles are rising in popularity more and more every year - it's no surprise that the market for used EVs is growing along with it. Scott Case, founder and CEO of Recurrent, wants to make the process accessible to everyone. Before Recurrent, there was never a CARFAX-like report for EVs. EVs have different quality standards than a typical combustion engine vehicle - climate, charge rate, battery age and more all impact the longevity of a car. Listen in to hear how Case and Recurrent give the power of information back to the consumer using battery reports and machine learning. Plus, hear why Case actually likes spending time negotiating with dealers on used cars. Wild, right?
Hineman, Marcie
Podcast
Ultrasonic Inspection Titanium and Titanium Alloy Bar, Billet and PlateAMS2631F (Historical)06/22/2021
This specification covers the procedure for ultrasonic inspection of wrought titanium and titanium alloy products 0.25 inch (6.4 mm) and over in cross-section (thickness) or diameter.
AMS K Non Destructive Methods and Processes Committee
Material Specification
Ultrasonic Inspection Titanium and Titanium Alloy Bar, Billet and PlateAMS2631F-TEST-REC (Historical)06/22/2021
This specification covers the procedure for ultrasonic inspection of wrought titanium and titanium alloy products 0.25 inch (6.4 mm) and over in cross-section (thickness) or diameter.
AMS K Non Destructive Methods and Processes Committee
Material Specification
CONTACT, ELECTRICAL CONNECTOR, CONCENTRIC TWINAX, PIN, SIZE 8 (FOR MIL-DTL-38999 SERIES I, III, AND IV CONNECTORS)AS39029/113C (Current)05/28/2021
AE-8C1 Connectors Committee
Technical Standard
CONTACT, ELECTRICAL CONNECTOR, CONCENTRIC TWINAX, SOCKET, SIZE 8, MIL-DTL-38999 SERIES I, III, AND IVAS39029/114C (Current)05/25/2021
AE-8C1 Connectors Committee
Technical Standard
Metal Powder Feedstock Size ClassificationsAMS7025-TEST-REC (Historical)04/22/2021
This specification covers particle size classifications and corresponding particle size distribution requirements for metal powder feedstock conforming to a classification.
AMS AM Additive Manufacturing Metals
Material Specification
Metal Powder Feedstock Size ClassificationsAMS7025 (Current)04/22/2021
This specification covers particle size classifications and corresponding particle size distribution requirements for metal powder feedstock conforming to a classification.
AMS AM Additive Manufacturing Metals
Material Specification
Light, Desk, AircraftAS7768B (Current)04/22/2021
This specification covers the requirements for a light assembly for use on aircraft cabin desks.
A-20C Interior Lighting
Technical Standard
Identification and Measurement of Best Practice in Implementation of Lean OperationJ4000_202104 (Current)04/06/2021
SAE J4000 is a tool to identify and measure best practice in the implementation of lean operation in a manufacturing organization. Implementation of lean operation is defined as the process of eliminating waste exhibited in an organization’s value stream. Best practice in this process is Level 3 conduct as described in the standard’s component statements. A description of the levels of implementation is: A procedure for evaluation and scoring of each component will be included in the SAE J4001 Implementation of Lean Operation User Manual.
Automotive Quality and Process Improvement Committee
Recommended Practice
Systems Engineering Capability Model Appraisal MethodEIA731_2A (Current)03/16/2021
G-47 Systems Engineering
Information Report
Systems Engineering Capability Model Appraisal MethodEIA731_2A-TEST-REC (Historical)03/16/2021
G-47 Systems Engineering
Information Report
Digital Thread and the Impact on Weapon System Acquisition Cost Growth2021-01-002603/02/2021
The traditional acquisition and development cycles of a weapon system by government agencies goes through multiple stages throughout the life cycle of the product. Over the last few decades, many of the United States military equipment had experienced acquisition cost growth. Many studies by the Department of Defense indicates that the cost growth is a result of multiple factors including the development and manufacturing stages of the product. Organizations with multiple operation sites that goes across multiple states or even countries and continents are finding it increasingly difficult to share informational databases to ensure the corporate synergy between multiple sites or divisions. For such organizations, there exist the need to synchronize the operations and have standard and common database where everything is stored and equally accessed by different sites. Digital transformation sounds real exotic and futuristic and promise to reduce operation costs of big organizations
Hamada, Mohamed Yousef
Technical Paper
Application of Metrology, Statistics, Root Cause Analysis, and Cost of Quality to Enable Quality Improvements and Implementation of Statistical Process Controls for Acceptance of Large Complex Assemblies2021-01-002503/02/2021
For new aircraft production, initial production typically reveals difficulty in achieving some assembly level tolerances which in turn lead to non-conformances at integration. With initial design, tooling, build plans, automation, and contracts with suppliers and partners being complete, the need arises to resolve these integration issues quickly and with minimum impact to production and cost targets. While root cause corrective action (RCCA) is a very well know process, this paper will examine some of the unique requirements and innovative solutions when addressing variation on large assemblies manufactured at various suppliers. Specifically, this paper will first review a completed airplane project (Project A) to improve fuselage circumferential and seat track joins and continue to the discussion on another application (Project B) on another aircraft type but having similar challenges. The use of Project A and B is used here to ensure proprietary protection of internal and supplier
Hall, Thomas D.
Journal Article
Quality 4.0: How Wireless IoT Sensor Networks are Reshaping ManufacturingTBMG-3863703/01/2021
Quality control is fundamental in every industry, but in manufacturing it’s hyper-critical. Volatile market demand, high material and production costs, alongside the mission-critical nature of end products, impel manufacturers to pursue nothing but first-rate quality and a minimal rejection rate. With the Internet of Things (IoT) gradually hitting its stride across the manufacturing industry, quality management is an area with transformational opportunities.
Magazine Article
Q&A21AUTP03_1303/01/2021
As part of its series of virtual Tech Talks at the 2021 Consumer Electronics Show (CES), Panasonic hosted key battery engineers to discuss the fast-paced development of the cylindrical lithium-ion cells being produced at Tesla's Gigafactory in Nevada. Providing insights into battery-production logistics, scale and automation was Celina Mikolajczak, VP of battery technology for Panasonic Energy of North America.
Seredynski, Paul
Magazine Article
Processes for Engineering a SystemEIA632A (Current)02/23/2021
The purpose of this Standard is to provide an integrated set of fundamental processes to aid a developer in the engineering or reengineering of a system. Use of this Standard is intended to help developers a) establish and evolve a complete and consistent set of requirements that will enable delivery of feasible and cost-effective system solutions; b) satisfy requirements within cost, schedule, and risk constraints; c) provide a system, or any portion of a system, that satisfies stakeholders over the life of the products that make up the system. NOTE—The term product is used in this standard to mean: a physical item, such as a satellite (end product), or any of its component parts (end products); a software item such as a stand-alone application to run within an existing system (end product); or a document such as a plan, or a service such as test, training, or maintenance support, or equipment such as a simulator (enabling products). d) provide for the safe and/or cost-effective
G-47 Systems Engineering
Information Report
Processes for Engineering a SystemEIA632A-TEST-REC (Historical)02/23/2021
The purpose of this Standard is to provide an integrated set of fundamental processes to aid a developer in the engineering or reengineering of a system. Use of this Standard is intended to help developers a) establish and evolve a complete and consistent set of requirements that will enable delivery of feasible and cost-effective system solutions; b) satisfy requirements within cost, schedule, and risk constraints; c) provide a system, or any portion of a system, that satisfies stakeholders over the life of the products that make up the system. NOTE—The term product is used in this standard to mean: a physical item, such as a satellite (end product), or any of its component parts (end products); a software item such as a stand-alone application to run within an existing system (end product); or a document such as a plan, or a service such as test, training, or maintenance support, or equipment such as a simulator (enabling products). d) provide for the safe and/or cost-effective
G-47 Systems Engineering
Information Report
CONTACTS, ELECTRICAL CONNECTOR, SOCKET, CRIMP REMOVABLE, SHIELDED, SIZE 8 (FOR MIL-DTL-38999 SERIES I, III, AND IV CONNECTORS)AS39029/59C (Historical)02/11/2021
AE-8C1 Connectors Committee
Technical Standard
Integrating QC Measurement Data into Manufacturing SystemsTBMG-3848002/01/2021
Magazine Article
Surgical Robotics: The Art of Saving Costs with CablesTBMG-3831201/01/2021
Ever hear of the respected bicycle manufacturer known as Cannondale? You probably have. Perhaps you even own one of their bikes. I actually do. Since 1971, Cannondale has produced among the most well-recognized and trusted, high-performance bicycle brands in the United States. But they don’t actually make everything their bikes comprise.
Magazine Article
Creating a Quality Management Protocol for Molded Plastics Used in Medical Device ManufacturingTBMG-3816112/01/2020
Quality control is an important element in any manufacturing process but when the products are components for use in medical devices, it is more than important, it is critical. Many medical device components are manufactured using medical-grade plastics, as the material has excellent biocompatibility, is both lightweight and durable, and can withstand the sterilization process.
Magazine Article
Essentials of PCBA Cleaning for WearablesTBMG-3815312/01/2020
Wearable healthcare is on the rise. In fact, the wearable medical devices market size was valued at over USD 9.0 billion in 2018 and is expected to witness 39.4 percent CAGR from 2019 to 2025. The demand for digital wellness, remote monitoring, and diagnostics means an increasing requirement to produce complex miniature electronic components with ever-tighter tolerances. This brings with it printed circuit board assembly (PCBA) cleaning challenges that must be addressed at the design stage in order to ensure reliability. This article discusses how PCBA cleaning can be incorporated into the planning and production of wearables and the essential methods to be used.
Magazine Article
Wiring, Positioning, and Support AccessoriesAS23190D-TEST-REC (Historical)11/03/2020
AS23190 is a procurement specification that covers a series of plastic and metal components and devices used for the tying, positioning, and supporting cable, cable assemblies, wire, and wire bundles in electrical, electronic, and communication equipment, and in interconnection systems.
AE-8C2 Terminating Devices and Tooling Committee
Technical Standard
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