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Technical Paper

Brake Response Time Measurement for a HIL Vehicle Dynamics Simulator

2010-04-12
2010-01-0079
Vehicle dynamics simulation with Hardware In the Loop (HIL) has been demonstrated to reduce development and validation time for dynamic control systems. For dynamic control systems such as Anti-lock Braking System (ABS) and Electronic Stability Control (ESC), an accurate vehicle dynamics performance simulation system requires the Electronic Brake Control Module (EBCM) coupled with the vehicles brake system hardware. This kind of HIL simulation-specific software tool can further increase efficiency by means of automation and optimization of the development and validation process. This paper presents a method for HIL vehicle dynamics simulator optimization through Brake Response Time (BRT) correlation. The paper discusses the differences between the physical vehicle and the HIL vehicle dynamics simulator. The differences between the physical and virtual systems are used as factors in the development of a Design Of Experiment (DOE) quantifying HIL simulator performance.
Technical Paper

Mercury in Automotive Systems - A White Paper

1996-02-01
960409
Mercury is a naturally occurring element and therefore neither created nor destroyed, but pushed and pulled throughout the biosphere. Mercury released in vapor form to the atmosphere can be transported and redeposited via atmospheric deposition. Recent international, federal and state regulatory initiatives have been directed toward effective use management and minimization of toxic substances in manufacturing and commerce. The concern is that these substances bioaccumulate in the food chain, posing a threat to human health and the environment. The most significant human health exposure to mercury is the dietary intake of fish and fish products, since mercury biomagnifies in aquatic species. The Michigan Environmental Science Board (MESB), a task force formed by the state of Michigan, has found a small margin of safety between background (i.e., natural) levels of mercury exposure and concentrations that can cause harm to humans. At the national level, the U.S.
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