Fuzzy finite-frequency output feedback control for nonlinear active suspension systems with time delay and output constraints

Li, Wenfeng; Xie, Zhengchao; Zhao, Jing; Wong, Pak Kin; Li, Panshuo

doi:10.1016/j.ymssp.2019.06.018

Cited by 45 publications

(25 citation statements)

References 38 publications

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“…18 However, the TIECAS system is an intricate nonlinear system, the change of sprung mass and unsprung mass has hysteresis. 19 In the process of driving, the contact process between the tire and the road surface is non-linear, and the air flowing in the air suspension is also non-linear. In the process of driving, external interference such as stones, pits, weeds, etc.…”

Section: Introductionmentioning

confidence: 99%

The control design of transverse interconnected electronic control air suspension based on seeker optimization algorithm

Cao

et al. 2021

Proceedings of the Institution of Mechanical Engineers, Part D:

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In this paper, in the light of the problems of the traditional air suspension PID controller in the process of body height adjustment, such as the adjustment time is too long, the overshoot phenomenon is obvious, and the control parameters cannot be adjusted in real time, a PID transverse interconnected electronic control air suspension(TIECAS) system controller based on seeker optimization algorithm (SOA) is designed, the proportion factor of PID is optimized by crowd search algorithm and get the optimal solution of PID controller parameters. The control system model is built in [Formula: see text] simulation software. The simulation results show that the PID lateral interconnected air suspension controller based on SOA has faster response and avoids overshoot than the traditional PID controller. The control system was tested on a self-developed test vehicle with TIECAS structure. The test results show that the root mean square(RMS) values of the roll angle and pitch angle of the test vehicle are reduced from [Formula: see text] and [Formula: see text] before control to [Formula: see text] and [Formula: see text], respectively, by [Formula: see text] and [Formula: see text]. The RMS values of the vertical acceleration of the center of mass after control are reduced by [Formula: see text] and [Formula: see text] compared with that without control, effectively improve the ride comfort and operation stability of the vehicle, The research results provide a new idea for the control of the vehicle transverse interconnected electronic air suspension system.

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Section: Introductionmentioning

confidence: 99%

The control design of transverse interconnected electronic control air suspension based on seeker optimization algorithm

Cao

et al. 2021

Proceedings of the Institution of Mechanical Engineers, Part D:

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“…Moreover, typical road excitations also occur in a limited frequency range. It is proved that compared with the controller for the EF domain, the finite frequency (FF) control method can bring better system performance [7][8][9][10][11][12]. Therefore, how to apply the H ∞ control method to the active suspension system in the finite frequency domain is a significant problem.…”

Section: Introductionmentioning

confidence: 99%

Robust fuzzy delayed sampled-data control for nonlinear active suspension systems with varying vehicle load and frequency-domain constraint

Park

Cheng

2021

Nonlinear Dyn

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This article studies the Takagi-Sugeno (T-S) fuzzy delayed sampled-data $$\mathcal {H}_\infty $$ H ∞ control problem for a class of intelligent suspension systems with varying vehicle load and frequency-domain constraint. The T-S fuzzy model is utilized to characterize the varying vehicle load. Considering the transmission delay, a robust fuzzy delayed sampled-data control mechanism is newly propounded for suspension systems. According to the Lyapunov stability theory, a useful theorem is proposed based on the Wirtinger inequality to guarantee the states of the active suspension system being asymptotically stabilized with the required $$\mathcal {H}_\infty $$ H ∞ performance by the proposed controller. Moreover, the suspension constrained requirements are also satisfied within the finite frequency domain. Finally, simulation examples are presented to attest to the usefulness and superiority of the proposed controller.

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“…The control of the actuator is determined by control approach at various road excitations. [6][7][8][9][10] Various control approaches have been employed for ASSs, such as LQG (linear quadratic Gaussian), 11 H N , 12,13 sliding mode control (SMC) 14 and backstepping, 15 and so on. The SMC algorithm is a well-known efficient control scheme and has been applied to ASS of vehicle.…”

Section: Introductionmentioning

confidence: 99%

Sliding mode control of double-wishbone active suspension systems based on equivalent 2-degree-of-freedom model

Yin

2020

Proceedings of the Institution of Mechanical Engineers, Part D:

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As a critical component of transportation vehicles, active suspension systems (ASSs) have widely attracted attention for their outstanding capability of improving the riding comfort and the maneuverability. However, due to the effects of the suspension kinematic structure and the rubber elements containing bushings and top mount, the practical double-wishbone ASS cannot achieve the desired performance resulting from the control design based on a simple 2-degree-of-freedom (DOF) model. In this paper, a sliding mode control (SMC) based on an equivalent 2-DOF model is proposed to suppress the sprung mass vibration of a double-wishbone ASS, which is to improve the riding comfort of vehicle. The SMC for a double-wishbone ASS is designed in four steps. First, an equivalent 2-DOF model of a double-wishbone ASS, which considers suspension kinematic structure and rubber properties, is established. The parameter values of an equivalent 2-DOF model are identified by using least square method. Second, an SMC is designed for an equivalent 2-DOF model, and the effect of the parameter value of the 2-DOF model on the riding comfort is investigated by experimental results. Third, a control compensator for a double-wishbone ASS is developed by considering the suspension kinematic structure. Four, the control for double-wishbone ASS is obtained by integrating the compensator into the SMC based on the equivalent 2-DOF model. The numerical simulation results show that the control can effectively suppress the sprung mass vibration of the double-wishbone ASS when the SMC design is based on an equivalent 2-DOF model.

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Fuzzy finite-frequency output feedback control for nonlinear active suspension systems with time delay and output constraints

Cited by 45 publications

References 38 publications

The control design of transverse interconnected electronic control air suspension based on seeker optimization algorithm

The control design of transverse interconnected electronic control air suspension based on seeker optimization algorithm

Robust fuzzy delayed sampled-data control for nonlinear active suspension systems with varying vehicle load and frequency-domain constraint

Sliding mode control of double-wishbone active suspension systems based on equivalent 2-degree-of-freedom model

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