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The paper proposes a robust control design for the integration of steering and torque vectoring using a variable-geometry suspension system. Torque vectoring control is based on independent steering/driving wheel systems, which is an actual challenge in the field of electric vehicles. Simultaneously, the steering angle is generated by the variable-geometry suspension system by changing the camber...
This paper presents the application of Linear Parameter Varying (LPV) methods in the design of integrated vehicle control systems, in which active components are used in co-operation. In the control design besides performance specifications and uncertainties, it is possible to take fault information into consideration. By monitoring suitable scheduling parameters in the LPV control, the reconfiguration...
The paper proposes the design of a variable-geometry suspension system, which affects both steering by generating additional steering angle and wheel tilting by modifying the camber angle. The control system must guarantee various performances such as trajectory tracking, the reduction of the chassis roll angle and the minimization of half-track change. The control design is based on a two-step procedure...
This paper investigates the problem of sampled-data $H_{\infty}$ control of uncertain active suspension systems via fuzzy control approach. Our work focuses on designing state-feedback and output-feedback sampled-data controllers to guarantee the resulting closed-loop dynamical systems to be asymptotically stable and satisfy $H_{\infty}$ disturbance attenuation level and suspension performance...
The paper proposes variable-geometry suspension design to enhance road stability during vehicle maneuvers. The orientation of wheels is modified by a suspension actuator, which results in an additional steering angle and a camber angle. A detailed analysis shows that the variable-geometry suspension system affects both the steering and the camber angle. Consequently, the integration of steering and...
A significant amount of energy induced by road unevenness and vehicle roll and pitch motions is usually dissipated by conventional shock absorbers as they dampen their vertical motions. In this paper, a novel multiobjective H∞ control design method is proposed. Besides the usual control objectives for performance, it includes the amount of energy to be harvested as a further conflicting objective...
The paper proposes a method in which the construction of the variable geometry suspension system and the design of robust suspension control are performed simultaneously in order to enhance vehicle stability. In the control scheme a predefined road trajectory required by the driver with a steering command is followed to carry out various maneuvers. The variable geometry suspension system provides...
The paper focuses on the enhancement of vehicle stability using a variable geometry suspension system. The purpose is to follow a predefined trajectory on the road required by the driver. The designed driver assistance system supports the driver in performing the various vehicle maneuvers, such as cornering and overtaking. While the driver performs a maneuver by using the steering wheel, an autonomous...
The main objective of designed the controller for a vehicle suspension system is to reduce the discomfort sensed by passengers which arises from road roughness and to increase the ride handling associated with the pitching and rolling movements. This necessitates a very fast and accurate controller to meet as much control objectives, as possible. Therefore, this paper deals with an artificial intelligence...
Considering one type of commercial vehicle suspension system, a full multi-body model with twenty Degree of Freedom is established with MSC.ADAMS. After evaluating such parameters as stiffness and damping of the simulation model, the effects of outside exciting on the suspension system are analyzed based on the simulation results. The harmonic response of the mass center of the seat at model coordinate...
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