Sliding mode control design for robust regulation of time-delay processes

Musmade, B. B.; Patre, B. M.

doi:10.1177/0142331214536201

Cited by 26 publications

(12 citation statements)

References 29 publications

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“…As shown in [14], [19], [20], the sliding control law includes two terms as given by the following equation:…”

Section: A Control Problem Statementmentioning

confidence: 99%

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Fuzzy Gains-Scheduling of an Integral Sliding Mode Controller for a Quadrotor Unmanned Aerial Vehicle

Ammar¹,

Haggège²

2018

ijacsa

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This paper investigates an Adaptive Fuzzy Gains-Scheduling Integral Sliding Mode Controller (AFGS-ISMC) design approach to deal with the attitude and altitude stabilization problem of an Unmanned Aerial Vehicles (UAV) precisely of a quadrotor. The Integral Sliding Mode Control (ISMC) seems to be an adequate control tool to remedy this problem. The selection of the controller parameters is done most of the time using repetitive trials-errors based methods. This method is not completely reliable and becomes a time-consuming and difficult task. Here we propose the tuning and selection of all ISMC gains adaptively according to a fuzzy supervisor. The sliding surface and its differential are declared as Fuzzy Logic Supervisor (FLS) inputs and the integral sliding mode control gains as the FLS outputs. The proposed fuzzy-based supervision mechanisms modify all ISMC gains to be time-varying and further enhance the performance and robustness of the obtained adaptive nonlinear controllers against uncertainties and external disturbances. The proposed adaptive fuzzy technique increases the effectiveness of the ISMC structure compared to the classical SMC strategy and excludes the dull and repetitive trials-errors process for its design and tuning. Various simulations have been carried out and followed by comparison and discussion of the results in order to prove the superiority of the suggested fuzzy gains-scheduled ISMC approach for the quadrotor attitude and altitude flight stabilization.

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“…As shown in [14], [19], [20], the sliding control law includes two terms as given by the following equation:…”

Section: A Control Problem Statementmentioning

confidence: 99%

“…The derivative of this above function is negative when the following expression, called the reaching condition [1], is checked: (14) For the quadrotor's altitude stabilization, we consider the following reduced model of such a flight dynamics: 11 1…”

Section: A Control Problem Statementmentioning

confidence: 99%

Fuzzy Gains-Scheduling of an Integral Sliding Mode Controller for a Quadrotor Unmanned Aerial Vehicle

Ammar¹,

Haggège²

2018

ijacsa

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“…The greatest disadvantage of the Smith predictor control is its notable sensitivity to the modelling error of the prediction model. The control performance of the system deteriorates considerably if the prediction model does not match the controlled process (Musmade and Patre 2015).…”

Section: Composite Control Designmentioning

confidence: 99%

“…Pressure response characteristics of the gas transmission system. predictor mismatches the controlled process, the time-delay factor of the closed-loop characteristic equation of the control system will not be eliminated, which results in infinite poles in the closedloop control system (Musmade and Patre 2015), and the Smith predictor control will lose the good control effect. Many researchers have proposed improved schemes to address the Smith predictor control problem (Lee 2014;Panajotov and Tlidi 2014;Deniz et al 2015).…”

Section: Introductionmentioning

confidence: 99%

New pressure control method of mixed gas in a combined cycle power plant of a steel mill

Xie

Yong

2016

Enterprise Information Systems

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The enterprise production concept is changing with the development of society. A steel mill requires a combined-cycle power plant, which consists of both a gas turbine and steam turbine. It can recycle energy from the gases that are emitted from coke ovens and blast furnaces during steel production. This plant can decrease the overall energy consumption of the steel mill and reduce pollution to our living environment. To develop a combined-cycle power plant, the pressure in the mixed-gas transmission system must be controlled in the range of 2.30-2.40 MPa. The particularity of the combined-cycle power plant poses a challenge to conventional controllers. In this paper, a composite control method based on the Smith predictor and cascade control was proposed for the pressure control of the mixed gases. This method has a concise structure and can be easily implemented in actual industrial fields. The experiment has been conducted to validate the proposed control method. The experiment illustrates that the proposed method can suppress various disturbances in the gas transmission control system and sustain the pressure of the gas at the desired level, which helps to avoid abnormal shutdowns in the combined-cycle power plant. ARTICLE HISTORY

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“…Sliding mode control embraces premium robustness to system matching uncertainties and modeling errors. It is a kind of nonlinear control method with great significance that is widely used in various kinds of under actuation [13][14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Second-Order Hierarchical Fast Terminal Sliding Model Control for a Class of Underactuated Systems Using Disturbance Observer

Wei¹

2019

ACIS

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A second-order hierarchical fast terminal sliding mode control method based on disturbance observer (DOSHFTSM) is proposed for a class of fourth-order underactuated systems. In the first step, the fourth-order underactuated system is divided into two subsystems, and the integral sliding surface is designed for each subsystem. Then, the first-order fast terminal sliding surface is defined by using the integral sliding surface and its derivatives of each subsystem, and the switching control items of the system are designed according to the first-order fast terminal sliding surface of the subsystem. Secondly, the second-order sliding surface is designed by using the first-order fast terminal sliding surface of each subsystem. On the premise of ensuring the stability of Lyapunov, the switching control term is designed by using the variable coefficient double power reaching law to eliminate the system jitter. Finally, based on the principle of hyperbolic tangent nonlinear tracking differentiator, a hyperbolic tangent nonlinear disturbance observer (TANH-DOC) is designed to estimate the uncertainties and external disturbances of the system and compensate them to the sliding mode controller to improve the robustness of the system. The stability of the system is proved by using Lyapunov principle. The validity of this method is verified by numerical simulation and physical simulation of inverted pendulum system.

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Sliding mode control design for robust regulation of time-delay processes

Cited by 26 publications

References 29 publications

Fuzzy Gains-Scheduling of an Integral Sliding Mode Controller for a Quadrotor Unmanned Aerial Vehicle

Fuzzy Gains-Scheduling of an Integral Sliding Mode Controller for a Quadrotor Unmanned Aerial Vehicle

New pressure control method of mixed gas in a combined cycle power plant of a steel mill

Second-Order Hierarchical Fast Terminal Sliding Model Control for a Class of Underactuated Systems Using Disturbance Observer

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