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Optimal control for electrical power...

Chen, Xiaoqun.

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Optimal control for electrical power-assisted steering system.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Optimal control for electrical power-assisted steering system./
作者:	Chen, Xiaoqun.
面頁冊數:	75 p.
附註:	Source: Masters Abstracts International, Volume: 44-03, page: 1426.
Contained By:	Masters Abstracts International44-03.
標題:	Engineering, Automotive. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MR09783
ISBN:	9780494097830

Optimal control for electrical power-assisted steering system.
Chen, Xiaoqun.

Optimal control for electrical power-assisted steering system. - 75 p.

Source: Masters Abstracts International, Volume: 44-03, page: 1426.

Thesis (M.A.Sc.)--University of Windsor (Canada), 2005.

An electric power-assisted steering (EPS) system has been gradually used to replace hydraulic power steering (HPS) in recent years. In an EPS system, an electric motor generates assisting steering torque to make comfortable steering operation for drivers.

ISBN: 9780494097830Subjects--Topical Terms:

1018477
Engineering, Automotive.

Optimal control for electrical power-assisted steering system.
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035 $a (UnM)AAIMR09783
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245 1 0 $a Optimal control for electrical power-assisted steering system.
300 $a 75 p.
500 $a Source: Masters Abstracts International, Volume: 44-03, page: 1426.
502 $a Thesis (M.A.Sc.)--University of Windsor (Canada), 2005.
520 $a An electric power-assisted steering (EPS) system has been gradually used to replace hydraulic power steering (HPS) in recent years. In an EPS system, an electric motor generates assisting steering torque to make comfortable steering operation for drivers.
520 $a To achieve better driving feeling in the EPS system, there are three problems need to be addressed: Sufficient assist torque should be transferred to drivers; road roughness and road reaction torque shall be taken by the controller; system transient response shall be accelerated by the controller. Various control algorithms have been derived now, however, most of them are derived simply based on the motor model [1],[6] and given this design strategy, they are not able to handle and consider the full system specifications very well.
520 $a In this thesis, a new controller structure design is proposed for an EPS system that addresses disturbance attenuation, offering sufficient gain and achieve system transient response at the same time. We introduced a new two control strategy to design the controller that incorporates a motion controller and a motor torque controller in different loops. The motion controller is an optimal H2 controller which takes care of the disturbance attenuation and accelerate system transient response issues. The motor controller is a P-I controller that is used to generate sufficient assistant torque according to the command input from the motion controller.
520 $a The simulation for the whole EPS system is implemented by CarSim and simulink. CarSim will simulate the road reaction torque and the EPS model is built on the simulink platform. All the results are not only tested under the off-line simulations, but also transformed to a real-time format and verified through real-time simulations. In both cases, it fulfills the control objectives and achieves good performance.
590 $a School code: 0115.
650 4 $a Engineering, Automotive. $3 1018477
650 4 $a Engineering, Mechanical. $3 783786
690 $a 0540
690 $a 0548
710 2 0 $a University of Windsor (Canada). $3 1018526
773 0 $t Masters Abstracts International $g 44-03.
790 $a 0115
791 $a M.A.Sc.
792 $a 2005
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MR09783