Real-time simulation for testing an ABS controller

Details Real-time simulation for testing an ABS controller Real-time simulation for testing an ABS controller

1994-03-21

1996-09-17

Chin, Gary

Boots, shoes, and leggings

36442602, 73121, G01L 528

Patent

active

055575234

ABSTRACT:
A real-time simulation system for testing an ABS controller. The simulation system receives car dynamic data from a computer and transmits the car dynamic data to the ABS controller through a controller conversion circuit. The simulation system then receives control signals from the ABS controller and feeds the control signals back to the computer through the controller conversion circuit so as to calculate, analyze, and display results on the monitor of the computer. The simulation system includes a timer circuit used for timing control of real-time calculation; a valve signal output circuit coupled to the controller conversion circuit, for outputting control signals coming from the ABS controller to the computer; a digital-to-analog conversion circuit coupled to the control circuit and the controller conversion circuit, for simulating the car dynamics to compute the wheel speed signals and sending the computed signals to the ABS controller; and a control circuit coupled respectively to the computer, the timer circuit, the valve signal output circuit, and the digital-to-analog conversion circuit, for receiving car dynamic data from the computer, transmitting the car dynamic data to the ABS controller, receiving time value from the timer circuit and control signals coming from the ABS controller, and transmitting the time value and the control signals to the computer for calculating, analyzing and displaying the results.

REFERENCES:
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patent: 4340935 (1982-07-01), Anlauf et al.
patent: 4709223 (1987-11-01), Crapanzano
patent: 4719796 (1988-01-01), Zenker
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patent: 4831868 (1989-05-01), Makino
patent: 4986114 (1991-01-01), Rothmann et al.
patent: 5005405 (1991-04-01), Ishizeki
patent: 5339682 (1994-08-01), Watanabe et al.

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