Display:

Results

Viewing 91 to 120 of 3340
2014-04-16
Article
The M300 data acquisition and datalogging system from Rigol Technologies integrates the company’s 6.5-digit multimeter technology into a versatile system mainframe.
2014-04-16
Article
dSPACE offers a flexible solution for hardware-in-the-loop testing of electric motors, combining Scalexio architecture with a programmable FPGA board and scalable electronic load.
2014-04-16
Article
The latest release of the MapleSim toolbox from Maplesoft expands control design capabilities and supports parameterized controllers for improved flexibility.
2014-04-16
Article
The all-new sports car poses a crucial question: Is it too clever by half? Dr. Andre Ebner, who heads the company’s development of onboard systems, argues very strongly that it is not.
2014-04-15
Article
With its i3 slated to reach U.S. customer hands in early May, BMW is ramping up production of its first mass-produced all-electric vehicle.
2014-04-14
Article
Customers want quieter cabins, but industry trends are working against the engineers who strive to reduce noise, vibration, and harshness.
2014-04-14
Article
Backed by the world’s fifth-fastest computer, Argonne’s new VERIFI service combines unique test facilities along with focused expertise to help engine developers.
2014-04-09
Article
Misfire detection is most difficult, SAE Congress panel tells attendees, and overall emissions diagnosis is harder than with passenger cars and light-duty trucks.
2014-04-09
Standard
AMS2980/2B
AMS 2980/2 gives specific information about the qualification program for carbon fiber fabric, epoxy systems and the material combination used for wet lay-up repair of carbon fiber reinforced epoxy structures.
2014-04-08
Standard
AMS2980/1B
AMS 2980/1 gives information about the technical requirements and qualification procedure for carbon fiber fabric and epoxy resin systems used for wet lay-up repair of carbon fiber reinforced epoxy structures.
2014-04-08
Standard
AMS2980/3B
The PS specifies the batch release and delivery requirements for carbon fiber and carbon fabric used for wet lay-up repair purposes.
2014-04-07
Article
Atego Vantage is an integrated solution combining model-based systems and software engineering with asset-based modular design.
2014-04-07
Article
Elysium’s CADfeature 11.3 is a feature-based program for repairing, migrating, and reporting on product engineering data in manufacturing.
2014-04-07
Article
Meggitt Sensing Systems introduces a line of Endevco general purpose isotron IEPE accelerometers designed to meet the needs of various test applications.
2014-04-07
Article
Multiquip recently chose Exa to evaluate and reduce noise propagation from its containerized power generators.
2014-04-07
Article
The Maulflex conduit system from TE Connectivity is a lightweight, flexible, customizable shielded electrical conduit system for rugged environments.
2014-04-07
Article
XCal-View software from Renishaw offers improved functionality and flexibility for laser calibration data analysis.
2014-04-04
Article
According to CD-adapco's Frederick Ross, the first, and most difficult, stage in the construction of a virtual prototype is the process of pulling together all of the individual CAD parts that define a vehicle.
2014-04-03
Standard
AMS2980/4B
This PS specifies the batch release and delivery requirements for epoxy resin systems (base resin and curing agent) used for wet lay-up repair purposes. This specification relates to qualified epoxy resin systems listed in the associated QPL.
2014-04-02
WIP Standard
AMS2368D
This specification provides a standard set of procedures for sampling and testing to meet the requirements of material specifications for wrought titanium and titanium alloy products except forgings and forging stock. It is applicable to the extent specified in a material specification.
2014-04-01
Article
Palmer Wahl Instrumentation Group’s Wahl DST500-FM temperature indicator with fixed probes is a high-accuracy, wide-range thermometer designed for hazardous locations where accurate and reliable temperature monitoring is critical.
2014-04-01
Article
Dakota Instruments’ 6A03 acrylic flow meters are offered with interchangeable direct reading scales for air, water, argon, oxygen, carbon dioxide, nitrogen, helium, and hydrogen.
2014-04-01
Collection
This technical paper collection focuses on state-of-the-art fatigue theory and advanced development in fatigue analysis methodology and research. Studies and discussions on innovative and improved fatigue theory/methods in material constitutive modeling, damage rules/fatigue damage calculation, and fatigue life predictions will be addressed.
2014-04-01
Collection
This technical paper collection will cover various aspects of system durability and system integration pertaining to Diesel Exhaust Emissions Control. It includes publications contributing to the understanding of durability of exhaust catalysts and particulate filters, mechanisms of their performance degradation and possible mitigation strategies, data from the field tests, analysis of the aged catalysts, laboratory and accelerated on-engine aging studies, along with relevant experimental tools and methodology.
2014-04-01
Technical Paper
2014-01-0723
Valerie Earlene Bumbaca
Abstract Virtually every major automaker has announced intentions of producing an electric vehicle (EV). Hyundai Motor Group has also announced plans to sell an electric vehicle in the next several years. There is strong and increasing support for electric vehicles in the USA due to an interest in protecting the environment, limiting dependence on oil, and reducing the associated cost of petroleum-based transportation. From a durability perspective, battery performance and longevity are significant concerns. In order to better prepare for upcoming electric vehicles, Hyundai-Kia America Technical Center, Inc (HATCI) Vehicle Evaluation group is developing an EV durability test and battery lifecycle laboratory test based on real world EV customer usage. Since there is limited availability of real world customer information for electric vehicles, a program has been started to collect EV customer usage data. This will be correlated with test inputs for both road and lab testing. An outside vendor has been contracted to collect data on customer usage from existing Nissan Leaf and Chevrolet Volt customers.
2014-04-01
Technical Paper
2014-01-0880
Christian Scheiblegger, Nantu Roy, Orlando Silva Parez, Andrew Hillis, Peter Pfeffer, Jos Darling
Abstract Cab mounts and suspension bushings are crucial for ride and handling characteristics and must be durable under highly variable loading. Such elastomeric bushings exhibit non-linear behavior, depending on excitation frequency, amplitude and the level of preload. To calculate realistic loads for durability analysis of cars and trucks multi-body simulation (MBS) software is used, but standard bushing models for MBS neglect the amplitude dependent characteristics of elastomers and therefore lead to a trade-off in simulation accuracy. On the other hand, some non-linear model approaches lack an easy to use parameter identification process or need too much input data from experiments. Others exhibit severe drawbacks in computing time, accuracy or even numerical stability under realistic transient or superimposed sinusoidal excitation. To improve bushing modeling of cab/box mounts for heavy duty/light duty trucks, a practical approach to model non-linear bushing dynamic characteristics has been tested and validated against standard bushing models.
2014-04-01
Technical Paper
2014-01-0863
Takamasa Shimodaira
Abstract The aim discussed in this paper is to show a technique to predict loads input to the wheels, essential to determining input conditions for evaluation of suspension durability, by means of full vehicle simulations using multi body analysis software Adams/Car. In this process, model environments were built to enable reproduction of driving modes, and a method of reproducing the set-up conditions of a durability test vehicle was developed. As the result of verification of the accuracy of the simulations in the target driving modes, good correlation for waveforms can be confirmed. And also confirm a good correlation in relation to changes of input load due to changes in suspension specifications.
2014-04-01
Technical Paper
2014-01-0749
Ram Kiran Tholeti, Shyamsundar Kumbhar, Nainish Kumar B, R Govindarajan
Abstract Scooter segment growth is tremendously increasing in India. The increased competition challenges automotive manufacturers to deliver the high quality and high reliable product to the market. Higher reliability involves increased durability testing which involves time and cost. Stress testing a part of durability is initially conducted on prototype vehicles for structural design validation and then later on production units to ensure its structural integrity. The obtained data from the tests can be used for future structural design improvements. Scooters with small tires, suspension limitations transfers more loads to structure, challenges engineers to design robust structure without compromising on weight much. It is necessary to look at Real World Usage Pattern (RWUP) and to create a stress life cycle block for simulation of accelerated testing, thereby optimizing the testing time and the development costs. The aim of this paper is to provide a procedure for deriving an accelerated stress test cycle for evaluation of chassis based on Road Load Data Acquisition (RLDA).
2014-04-01
Technical Paper
2014-01-0774
Zhigang Wei, Limin Luo, Shengbin Lin, Dmitri Konson
Abstract A modern definition of quality control and improvement is the reduction of variability in processes and products. The reduced variability can be directly translated into lower costs, better functions and fewer repairs. However, the final quality of processes and products is sometimes derived from other measured variables through some implicit or explicit functional relationships. Sometimes, a tiny uncertainty in a variable can produce a huge uncertainty in a derived quantity. Therefore, the propagation of uncertainty needs to be understood and the individual variables need to be well controlled. More importantly, the critical factors that affect quality the most should be identified and thoroughly investigated. Design of experiments and statistical control plays central roles in finding root cause of failure, reduction of variability and quality improvement. In this paper, the theories on quality control and improvement are reviewed first with the emphasis on statistical data analysis and uncertainty propagation.
2014-04-01
Technical Paper
2014-01-0399
Mohamed Sithik, Rama Vallurupalli, Barry (Baizhong) Lin, Subash Sudalaimuthu
Abstract In recent trend, there is a huge demand for lightweight chassis frame, which improves fuel efficiency and reduces cost of the vehicle. Stiffness based optimization process is simple and straightforward while durability (life) based optimizations are relatively complex, time consuming due to a two-step (Stress then life) virtual engineering process and complicated loading history. However, durability performances are critical in chassis design, so a process of optimization with simplified approach has been developed. This study talks about the process of chassis frame weight optimization without affecting current durability performance where complex durability load cases are converted to equivalent static loadcases and life targets are cascaded down to simple stress target. Sheet metal gauges and lightening holes are the parameters for optimization studies. The optimization design space is constrained to chassis unique parts. The optimized design is verified for detailed load case and life target.
Viewing 91 to 120 of 3340

Filter

  • Article
    886
  • Book
    13
  • Collection
    8
  • Magazine
    118
  • Technical Paper
    1009
  • Standard
    1306