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Electric Power Steering (EPS) systems have many merits over traditional hydraulic power steering systems in fuel economy, variable assist capabilities and favorable road feeling by virtue of adjustment assist characteristic with adopting assist motor in replacement of hydraulic pump. This paper aims at modeling the mechanical parts, the assist motor and electronic control unit by bond graph technique...
The steer-by-wire system, with which the conventional mechanical linkage between the steering wheel and the front wheel is removed, is suited to active steering control, to improve vehicle stability, dynamics and maneuverability, as well as to autonomous steering control to assist the driver. Conventional controller for steer-by-wire system is designed with general feedback control method. However,...
An integrated chassis control (ICC) system is introduced in this paper by the integration of the active front steering and brake systems based on the fine regulation method of the hydraulic brake pressure. A novel and effective brake controller has been designed to work without pressure feedback. The design is based on theoretical analysis and experimental research on hydraulic brake system while...
Reported researches on semi-active suspension neglect the actuador dynamics, missing important information that can deteriorate the suspension's performance. The present research proposes a new semi-active suspension model with a magnetorheological damper, including its dynamics. Three control approaches are applied to this suspension model to improve passenger comfort and vehicle stability. The well...
Active steering is a newly developed technology for passenger cars to enhance vehicle stability and handling performance. A fractional-order PIlambdaDmu control strategy is applied on active steering vehicle based on a multi-body vehicle dynamic model in this paper and the active control is expressed as a sum of PIlambda and PDmu control. The multi-body vehicle dynamic model using ADAMS can accurately...
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