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What is the working principle of the power steering system?

1 Answers

VonAdrian

07/30/25 5:01am

The power steering system of a car can be roughly divided into two categories: hydraulic and electric. The working principle of the Electro-Hydraulic Power Steering (EHPS) system is the same as that of the traditional mechanical hydraulic power steering system, using the power generated by the electric motor to assist the driver in steering. The following is a related introduction to the power steering system: 1. Principle: The Electro-Hydraulic Power Steering (EHPS) system adds the function of an electric steering pump, and the start and stop of the electric pump are controlled by the ECU. When no steering action is performed, the electric steering pump is turned off, unlike the mechanical hydraulic power steering pump, which is always connected to the engine through a belt. 2. Composition: The Electric Power Steering (EPS) system consists of a torque sensor, a control unit (ECU), a power motor, and a mechanical steering gear.

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