Tay lái trợ lực điện

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Tay lái trợ lực điện Model Outline Engine Chassis Engine Chassis Body Body ElectricalSteering EPS (Electric Power Steering) – Motor drives the rack directly Resolver Type R l T Torque Sensors Steering Gear Unit • Burushless Motor Rotational Angle • Reduction Mechanism Sensor [Specifications] Type Vehicle Speed Sensing Type Gear R ti (O G Ratio (Overall) ll) ? No. of Turns Lock to Lock ? Rack Stroke [mm in.)] ? Model Outline Engine Chassis Engine Chassis Body Body ElectricalSteering System Diagram VGRS ECU BEAN (Instrument Panel Bus) Engine i J/C No. 2 J/C No. 1 Gateway ECU ECU Skid Control CAN PS Warning ECU Light EPS ECU P/S Temp. Sensor Torque DLC3 Boost Converter Sensors EPS Motor Battery (12V) Drive (28V) Rotation Angle g Sensor Model Outline Engine Chassis Engine Chassis Body Body ElectricalSteering Torque Sensor (Resolver Type) – Torque sensor detects the twist of torsion bar, changes it into the electric signal, and outputs it to EPS ECU Main Shaft (Input Shaft) Torsion Bar Resolver 1 to EPS ECU Resolver 2 l Pinion Shaft (Output Shaft) Rack Shaft Model Outline Engine Chassis Engine Chassis Body Body ElectricalSteering Torque Sensor (Resolver Type) – Torque sensor consists of resolver 1, 2 and torsion bar – Resolver 1 of rotor portion is fixed to main shaft, resolver 2 of rotor portion is fixed to pinion shaft. shaft Main Shaft (Input Torsion Shaft) Bar Resolver 1 (Stator Portion) Resolver 1 (Rotor Portion) Resolver 2 Pinion Shaft Resolver 2 (Stator (Rotor Portion) (R t P ti ) (Output Shaft) Portion) Model Outline Engine Chassis Engine Chassis Body Body ElectricalSteering Torque Sensor (Resolver Type) – Resolvers of rotor portion generate a relative angle difference of a twist of the torsion bar Main Shaft (Input Shaft) Resolver 1 (Rotor Portion) o o ) Resolver 2 (Rotor Portion) Pinion Shaft (Output Shaft) (O t t Sh ft) Model Outline Engine Chassis Engine Chassis Body Body ElectricalSteering Torque Sensor (Resolver Type) – Characteristic of resolver Exciting Detection 4 Coil Coil 1 2 1 3 ...