Vehicle line control hydraulic brake system hardware-in-the-loop test bed
A technology of hydraulic braking and system hardware, which is used in vehicle testing, machine/structural component testing, measuring devices, etc., and can solve the problems of low rapid pressure build-up speed, insufficient test bench detection accuracy, and large steady-state error.
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[0047] The present invention will be described in detail below in conjunction with the drawings:
[0048] reference figure 1 , The present invention provides a hardware-in-the-loop test bed for a vehicle-by-wire hydraulic brake system. The technical problem to be solved is to ensure that the test bed has good real-time performance and can realize vehicle models and control algorithm models under different working conditions. , Data interaction between the wire-controlled hydraulic brake system and sensor signals, and analyze the solenoid valve response characteristics and the dynamic response characteristics of the wheel cylinder increase and decrease phase through simulation analysis and other means. It is also necessary to ensure that the test bench can quickly build a pressure of 10MPa , The pressure building time is less than 170ms, and the precise pressure control accuracy is less than 0.08MPa.
[0049] In order to solve the above technical problems, the present invention uses...
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