Integrated stability control of AFS and DYC for electric vehicle based on non-smooth control

Meng, Qinghua; Zhao, Tingting; Qian, Chunjiang; Sun, Zhigang; Ge, Panpan

doi:10.1080/00207721.2018.1460410

Cited by 67 publications

(35 citation statements)

References 24 publications

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“…Reaching condition (5) means that the trajectory of system (1) with controller (3) can converge to the sliding surface s = 0 in a finite time. Meanwhile, it can be observed from (2) that, when s = 0, the system states can only be stabilized to the origin asymptotically.…”

Section: Problem Formulation and Motivationmentioning

confidence: 99%

“…with parameter being a positive constant and parameters p and q being positive odd integers satisfying p > q. It can be deduced that reaching condition (5) can be satisfied if the TSM controller is constructed as…”

Section: Problem Formulation and Motivationmentioning

confidence: 99%

“…1,2 To this end, designing a controller to provide the desired performance for the considered system is a very essential and challenging task. On this basis, the research on different types of nonlinear control methods has been paid much attention in the past several decades, such as backstepping method, [3][4][5] adaptive technique, [6][7][8]  ∞ method, 9,10 fuzzy control, 11,12 and sliding mode control (SMC). [13][14][15] Among these nonlinear control methods, SMC has been regarded as one of the most effective approaches to handle the nonlinear uncertain systems because it exhibits the good properties on robustness against the uncertainties and simplicity in implementation.…”

Section: Introductionmentioning

confidence: 99%

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A novel adaptive nonsingular terminal sliding mode controller design and its application to active front steering system

Ding

Liu

Park

2019

Intl J Robust & Nonlinear

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Summary Note that the amplitude of chattering existing in the sliding mode control method is proportional to the magnitude of the control gain. Therefore, the key issue to diminish the chattering is to decrease the value of sliding mode controller's gain to an acceptable minimal level defined by the so‐called reaching condition for the sliding mode's existence. For this reason, the nonsingular terminal sliding mode (NTSM) control method and the adaptive technique have been considered in this paper to develop a novel adaptive NTSM control method, which can be used to search the minimal value of the control gain automatically in the presence of the external disturbances. Meanwhile, the average value of a high‐frequency switching signal in the adaptive law can be provided by Arie Levant's differentiator rather than a low‐pass filter. The rigorous mathematical proof verifies that the system states can converge to the origin within a finite time under the proposed adaptive NTSM controller. Both the academic example and the practical application to an active front steering system are illustrated to show that the presented adaptive NTSM controller has better control performance than the conventional sliding mode controller.

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Section: Problem Formulation and Motivationmentioning

confidence: 99%

Section: Problem Formulation and Motivationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A novel adaptive nonsingular terminal sliding mode controller design and its application to active front steering system

Ding

Liu

Park

2019

Intl J Robust & Nonlinear

View full text Add to dashboard Cite

show abstract

“…It should be noticed that controlled systems inevitably suffer from various types of unknown disturbances in practice, such as parameter uncertainties and/or external disturbances inputs, so an interesting issue is to carry out disturbance attenuation via control design, which is equivalent to reducing the influence of disturbances upon the output. Being aware of its importance, the disturbance attenuation/decoupling of nonlinear systems has recently attracted considerable attention, and numerous interesting results have been reported in related works …”

Section: Introductionmentioning

confidence: 99%

“…Being aware of its importance, the disturbance attenuation/decoupling of nonlinear systems has recently attracted considerable attention, and numerous interesting results have been reported in related works. [9][10][11][12][13][14][15][16][17][18] On the other hand, ever since the theory of finite-time stability (FTS) was presented in the work of Bhat and Bernstein, 19 the problem of control design for various nonlinear systems with finite-time convergence (FTC) has been intensively investigated in the past two decades. For example, Shi et al 20 studied the finite-time tracking control of nonholonomic systems in chained form with parameter uncertainties, unknown output gains, and mismatched uncertainties.…”

Section: Introductionmentioning

confidence: 99%

Disturbance attenuation with fast global finite‐time convergence for generalized high‐order uncertain nonlinear systems

Sun

Wang

Chen

et al. 2019

Intl J Robust & Nonlinear

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Summary This paper focuses on the problem of disturbance attenuation with fast global finite‐time convergence (FTC) for a class of generalized high‐order uncertain nonlinear systems. Combining the fast finite‐time stabilization technique with a delicate manipulation of sign functions, a new control approach is proposed to attenuate the serious uncertainties substantially, including time‐varying control coefficients, nonlinear parameters, and external disturbances, while achieving the performance evaluated in terms of L2‐L2p gain. A notable feature of the control strategy is the fast FTC, which greatly shortens the convergent time when the initial state is far away from the origin. A numerical example is provided to demonstrate the effectiveness of the proposed method.

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Study on vehicle active suspension system control method based on homogeneous domination approach

Meng

Chen

Wang

et al. 2019

Asian Journal of Control

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In an active suspension system, there is an actuator mounted between the sprung mass and the unsprung mass to change the stiffness and damp of the suspension for ride comfort and handling stability. Because the active suspension control system is an under‐actuated system, the control problem of the active suspension is challenging but interesting. In order to solve this issue, a novel vehicle active suspension control method based on homogeneous domination approach is proposed in this paper. Firstly, a groundhook control model is constructed according to the general active suspension dynamic model. In order to deal with the additional terms of the control system which are harmful for convergence, a homogeneous domination approach is used to construct an active suspension homogeneous controller (ASHC). A useful technical theorem is proposed in the stability analysis to show that the proposed ASHC can guarantee the states of the active suspension system being stabilized. Compared with the SMC method and without any controller (passive suspension), the simulation results indicate that the proposed ASHC is effective.

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Integrated stability control of AFS and DYC for electric vehicle based on non-smooth control

Cited by 67 publications

References 24 publications

A novel adaptive nonsingular terminal sliding mode controller design and its application to active front steering system

A novel adaptive nonsingular terminal sliding mode controller design and its application to active front steering system

Disturbance attenuation with fast global finite‐time convergence for generalized high‐order uncertain nonlinear systems

Study on vehicle active suspension system control method based on homogeneous domination approach

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