Design Of Control System For Automatic Steering

Mohd Rauf, Jamaludin (2010) Design Of Control System For Automatic Steering. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The conversions of conventional steering system to the Automatic steering system give the opportunities to the vehicle handling characteristic improvement and also improvement on the safety of the vehicle. This project presents the design of control system for automatic steering where the system is developed from the conventional rack-and-pinion to the Automatic steering system. The development of Automatic steering begins with the conceptual design selection on the test rig will be used in this project. Scoring metric on the various concept design of test rig has been performed for choosing the best design to be translated in detail design using MSC CATIA V5R16 software. Analyzing result from CATIA Analysis on the detailed design shows the rig suitable and available to support the steering system components. The maximum torque value at the rack-and-pinion determines the electric motor that will be used in the experiment. Thus, torque meter is used and it is tested in the typical vehicle due to adopt the real car condition in the experiment. The developments of inner-loop controller simulation model of automatic steering in MATLAB consist of the rack-and-pinion model where the relationship between rackand- pinion displacement and road wheel angle is determined in the HILS experiment. Therefore the transducer application is applied on the steering system to find the relationship. The stepper motor determined a good performance in the position tracking where it achieved the desired output less than the 2 s which is followed the good performance criteria. The results obtained show the developed inner-loop controller models of automatic steering is valid by comparing with the Hardware-in-the-loop-simulation (HILS) experiment.

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