Hardware-in-the-Loop Test and Failure Mode Simulation for AMT

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Control strategy and stability of actuator are highly important for the performance of Automated Mechanical Transmission (AMT). Targeting an electric AMT actuator, this paper sets up a Hardware-in-the-loop (HIL) test rig which is composed of TCU, AMT actuator, dSPACE Simulator, real-time simulation computer and AMT actuator loading simulation electric servo-system. In order to verify actuator and control strategy, the paper carries out several tests in typical driving conditions. it also analyses the shift performance and gives advices on further improvement. This paper lists several failure modes and extreme conditions of AMT. Some of them will be modeled in Simulink, in order to optimize AMT actuator and control strategy while ensuring enough driving ability when AMT is failed or vehicle is driven in extreme conditions.

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292-299

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June 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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