In an electric power steering system, an ECU 12 includes a rotation angle calculation unit 41, an assist torque command value calculation unit 42, a reference model 43, an angle deviation calculation unit 44, a PD control unit 45, an addition unit 47, and a plant observer 48. A proportional gain and a derivative gain which are used in the PD control unit 45 and a first gain and a second gain which are used in a first gain multiplication unit and a second gain multiplication unit of the plant observer 48 are set so that a characteristic equation corresponding to an equation of motion representing behavior of the electric power steering system has a double root.
ELECTRIC POWER STEERING SYSTEM AND GAIN SETTING METHOD THEREOF
ELEKTRISCHE SERVOLENKUNG UND VERSTÄRKUNGSEINSTELLVERFAHREN DAFÜR
SYSTÈME DE DIRECTION ASSISTÉE ÉLECTRIQUE ET SON PROCÉDÉ DE RÉGLAGE DE GAIN
2019-04-24
Patent
Electronic Resource
English
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
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