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SAE

SAE 2017-01-1485 : 2017

2-Drive Motor Control Unit for Electric Power Steering

Standard Details

The electric power steering (EPS) is increasing its number since there are many advantages compared to hydraulic power steering. The EPS saves fuel and eliminates hydraulic fluid. Also, it is more suitable to the cooperation control with the other vehicle components. The EPS is now expanding to the heavier vehicle with the advance in the power electronics. In order to meet customer's needs, such as down-sizing, lower failure rate and lower price, we have developed the new motor control unit (MCU) for the EPS. The motor and the electric control unit (ECU) were integrated for the better installation. We adopted new technologies of redundant 2-drive design for more safe EPS. “2-drive Motor Control technology” which consists of dual winding, two torque sensors and two inverter drive units. In our developed MCU, even if there is a failure in one of the drive unit, the assistance of the EPS can be maintained with the other drive unit.

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General Information

Status : ACTIVE
Standard Type: Main
Document No: SAE 2017-01-1485 : 2017
Document Year: 2017

Life Cycle

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ACTIVE
SAE 2017-01-1485 : 2017
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