Comparative Analysis of PI and Sliding Mode Control Methods for Cascade DC/DC Boost Converters

2019 ◽  
Author(s):  
Kemal Kaya ◽  
Yakup Hameş
Keyword(s):  
Comparative Analysis ◽  
Sliding Mode Control ◽  
Sliding Mode ◽  
Control Methods ◽  
Boost Converters ◽  
Mode Control

Sliding Mode Control of Anti-Lock Braking System

2013 ◽  
Vol 427-429 ◽  
pp. 85-89
Author(s):  
Lin Zheng ◽  
Zhan Qun Shi ◽  
Xue Ming Gu ◽  
Andrew Ball
Keyword(s):  
Sliding Mode Control ◽  
Control Algorithm ◽  
Sliding Mode ◽  
Control Methods ◽  
Robust Performance ◽  
Nonlinear Characteristics ◽  
System Parameters ◽  
Braking System ◽  
Mode Control ◽  
Linear Controllers

Many different control methods for Anti-lock Braking System (ABS) have been developed. In this paper, a new control algorithm is proposed for ABS based on sliding mode control algorithm, which represents the nonlinear characteristics of external interferences. The proposed sliding mode controller guarantees a highly robust performance against large variations in the system parameters and disturbances. Simulation results show that the proposed method has advantages compared with conventional linear controllers.

scholarly journals Finite-Time Reentry Attitude Control Using Time-Varying Sliding Mode and Disturbance Observer

2015 ◽  
Vol 2015 ◽  
pp. 1-19 ◽  
Author(s):  
Xuzhong Wu ◽  
Shengjing Tang ◽  
Jie Guo ◽  
Yao Zhang
Keyword(s):  
Sliding Mode Control ◽  
Finite Time ◽  
Attitude Control ◽  
Disturbance Observer ◽  
Control Method ◽  
Sliding Mode ◽  
Time Varying ◽  
Control Methods ◽  
Mode Control ◽  
Attitude Controller

This paper presents the finite-time attitude control problem for reentry vehicle with redundant actuators in consideration of planet uncertainties and external disturbances. Firstly, feedback linearization technique is used to cancel the nonlinearities of equations of motion to construct a basic mode for attitude controller. Secondly, two kinds of time-varying sliding mode control methods with disturbance observer are integrated with the basic mode in order to enhance the control performance and system robustness. One method is designed based on boundary layer technique and the other is a novel second-order sliding model control method. The finite-time stability analyses of both resultant closed-loop systems are carried out. Furthermore, after attitude controller produces the torque commands, an optimization control allocation approach is introduced to allocate them into aerodynamic surface deflections and on-off reaction control system thrusts. Finally, the numerical simulation results demonstrate that both of the time-varying sliding mode control methods are robust to uncertainties and disturbances without chattering phenomenon. Moreover, the proposed second-order sliding mode control method possesses better control accuracy.

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