Fault simulation device for automobile electric power-assisted steering system

• Main Authors: ZHU JINQI, LIU YAHUI, LV RONGHUA, JI XUEWU, JIANG DIANXIN
• Format: Patent
• Language: Chinese; English
• Published: 12.09.2012
• Subjects: CONTROL OR REGULATING SYSTEMS IN GENERAL; CONTROLLING; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS; PHYSICS; REGULATING

The invention discloses a fault simulation device for an automobile electric power-assisted steering system. The fault simulation device comprises a human-machine interface module, a fault signal generation module and a fault signal output module, wherein the human-machine interface module comprises a matrix keyboard and display equipment; the fault signal generation module comprises a singlechip with built-in fault signal simulation software; the fault signal output module comprises a torque fault signal output circuit, an automobile speed and engine rotating speed fault signal output circuit, a motor fault signal output circuit and a controller abnormal voltage output circuit; fault signals generated by the singlechip through the software are respectively amplified or opening and closing operation of a relay contact is finished, so that various faults possibly met by the automobile electric power-assisted steering system (EPS) can be simulated; and corresponding results are output to an EPS controller throu