| APPLICATION OF RACK TYPE MOTOR DRIVEN POWER STEERING CONTROL SYSTEM FOR HEAVY VEHICLES |
| B. JANG1, J. H. KIM2, S. M. YANG3 |
1Andong National University
2Hyundai Motor Company
3Chonbuk National University |
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| ABSTRACT |
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The Electric Power Steering (EPS) or Motor Driven Power Steering (MDPS) mechanism proves to be a bright prospect among passenger vehicles ensuring better vehicle safety and fuel economy. The car manufacturers are focusing on the production of Rack type EPS system (REPS). This paper describes the development of concurrent simulation technique using TruckSim and control strategy for analysing RMDPS control system with a dynamic vehicle system. A full Truck vehicle model interacting with RMDPS control algorithm was concurrently simulated on a sinusoidal steering input. The dynamic responses of vehicle chassis and steering system resulting were evaluated and compared with proving ground experimental data. The comparisons show reasonable agreement on steering wheel torque, lateral acceleration and yaw rate. This concurrent simulation research leads the possibility of RMDPS performance evaluation of Truck and Semi-bonnet cars. |
| Key Words:
Electric power steering, Rack type, Rack type EPS, REPS, Motor driven power steering, MDPS, Concurrent simulation, Vehicle dynamics, MATLAB, TruckSim |
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