State of the art survey: active and semi-active suspension control

Tseng, H. Eric; Hrovat, Davor

doi:10.1080/00423114.2015.1037313

Cited by 263 publications

(140 citation statements)

References 97 publications

(140 reference statements)

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“…The existing solution is to introduce new controls such as modularize parallel fuzzy control in [26] and human-like intelligent control in [27] and this makes the strategies complex and difficult to apply. Secondly, there are many active suspension control strategies which are designed based on a more comprehensive usage of road preview information facilitated by utilising on-board cameras and global positioning systems [28]. For example, it is provided that the road preview is available in the control method in [29].…”

Section: Simulation Results and Discussionmentioning

confidence: 99%

Fractional Critical Damping Theory and Its Application in Active Suspension Control

Wang

et al. 2017

Shock and Vibration

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In this paper, the existence condition of critical damping in 1 DOF systems with fractional damping is presented, and the relationship between critical damping coefficient and the order of the fractional derivative is derived. It shows only when the order of fractional damping and its coefficient meet certain conditions, the system is in the critical damping case. Then the vibration characteristics of the systems with different orders located in the critical damping set are discussed. Based on the results, the classical skyhook damping control strategy is extended to the fractional one, where a switching control law is designed to obtain a more ideal control effect. Based on the principle of modal coordinate transformation, a new design method of fractional skyhook damping control for full-car suspension is given. The simulation results show that the proposed control method has a good control effect, even in some special cases, such as roads bumps.

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Section: Simulation Results and Discussionmentioning

confidence: 99%

Fractional Critical Damping Theory and Its Application in Active Suspension Control

Wang

et al. 2017

Shock and Vibration

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“…Due to their fixed configuration, the performance of the passive systems is limited compared to the active systems. Over the years, a large number of control strategies such as, optimal control, [1,2] adaptive control, [3,4] model reference adaptive control, [5,6] H ∞ , [7] linear quadratic regulator (LQR) control, [8] fuzzy sliding mode control (SMC), [9] among others have been proposed in the literature for using the active device effectively.…”

Section: Introductionmentioning

confidence: 99%

Dual objective active suspension system based on a novel nonlinear disturbance compensator

Deshpande

Shendge

Phadke

2016

Vehicle System Dynamics

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This paper proposes an active suspension system to fulfil the dual objective of improving ride comfort while trying to keep the suspension deflection within the limits of the rattle space. The scheme is based on a novel nonlinear disturbance compensator which employs a nonlinear function of the suspension deflection. The scheme is analysed and validated by simulation and experimentation on a laboratory setup. The performance is compared with a passive suspension system for a variety of road profiles. ARTICLE HISTORY

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“…However, the widely used passive suspension systems which use springs and dampers with fixed parameters (stiffness and damper coefficients) do not achieve satisfactory suspension performance under wider driving maneuvers. This problem is alleviated by the recent developments of semi-active suspension and active suspension [2].…”

Section: Introductionmentioning

confidence: 99%

Design of Robust Digital Pole Placer for Car Active Suspension with Input Constraint

Soliman¹,

Al-Abri²,

Albadi³

2018

Vibration Analysis and Control in Mechanical Structures and Wind Energy Conversion Systems

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This chapter deals with the problem of state feedback control for an active quarter-car suspension system with control input constraint. The dynamics of the suspension system is first formed in terms of the control objectives: ride comfort, suspension deflection, and maximum actuator control force. The control task is formulated as robustly placing the closed poles in a desired region against different passenger load. Since digital computers are widely used in the vehicle industry, a new saturated controller design method is presented for regional pole-placement of uncertain discrete time systems. The constraint of control input saturation is considered in the design phase. The desired dynamic performance for uncertain discrete-time systems is represented by the settling time and damping ratio. A sufficient condition is derived to place the poles in a desired region. The design is formulated in terms of linear matrix inequality optimization. The effectiveness of the proposed design is illustrated by applying it to a quarter-car active suspension system. Different road tests for the proposed controller are carried out: step and bump disturbances. The proposed design achieves the desired oscillation damping due to road disturbances in addition to passenger comfort. The results are compared with the passive suspension system.

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State of the art survey: active and semi-active suspension control

Cited by 263 publications

References 97 publications

Fractional Critical Damping Theory and Its Application in Active Suspension Control

Fractional Critical Damping Theory and Its Application in Active Suspension Control

Dual objective active suspension system based on a novel nonlinear disturbance compensator

Design of Robust Digital Pole Placer for Car Active Suspension with Input Constraint

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