Co-simulation Based Hydraulic Retarder Braking Control System
Date Published: 2009-10-06
Paper Number:2009-01-2907
DOI: 10.4271/2009-01-2907
Citation:
Yan, J., Guo, X., Tan, G., Yang, T. et al., "Co-simulation Based Hydraulic Retarder Braking Control System," SAE Technical Paper 2009-01-2907, 2009, doi:10.4271/2009-01-2907.
Hydraulic retarder has been widely applied on military vehicles and heavy commercial vehicles because of it could provide great brake torque and has lasting working time [
1
]. In order to reduce driver's frequent actions in braking process and prevent hydraulic retarder system from overheating, it is need to apply constant braking torque control, this control target has a strict requirement to hydraulic control system design. Many parameters often require repeated test to determine, which increases the R&D cost and extends the research cycle.
This paper tries to find a time-efficient research method of hydraulic retarder control system through studying on a heavy military vehicle hydraulic retarder system. Hydraulic retarder model is set up through test data. The hydraulic control system is built based on AMESim. Controller model is set up based on PID control. The whole vehicle brake model is built based on MATLAB/Simulink. In order to verify control system performance, MATLAB & AMESim co-simulation has been carried out. Simulation result shows control system has good constant torque control performance, and Fuzzy-PID is proved having better control performance. The co-simulation model and control algorithm are proved be practical by comparing with test data.
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