Results 71 to 80 of about 6,467,683 (150)

Research on Backstepping Linear Active Disturbance Rejection Control of Hypersonic Vehicle

Applied Sciences
In this paper, the velocity and altitude control problem of hypersonic vehicles is studied. Aiming at the nonlinear parameter uncertainties, external disturbances and coupling of the hypersonic vehicle system, a control method combining backstepping ...
Chengwei Bao, Guixin Zhu, Tong Zhao
doaj   +1 more source

Improved Load Frequency Control Using a Fast Acting Active Disturbance Rejection Controller

, 2017
System frequency may change from defined values while transmitting power from one area to another in an interconnected power system due to various reasons such as load changes and faults.
Md Alamgir Hossain, Chowdhury, A Hasib, Md Mijanur Rahman, A. Hasib Chowdhury, A. Chowdhury, Rahman, Md Mijanur, Hossain, Md Alamgir, Md Hossain, Md Rahman   +8 more
core   +1 more source

Improved LADRC Damping of Sub-Synchronous Oscillation in DFIG-Based Wind Power Systems Under Multiple Operating Conditions

Energies
An active damping control technique based on improved linear active disturbance rejection control (LADRC) is suggested to address the inadequate damping of doubly fed induction generator (DFIG) systems coupled to the grid using series compensation ...
Zuolin Zhang, Peng Tao, Renming Wang
doaj   +1 more source

Absolute stability analysis of nonlinear active disturbance rejection control for electromagnetic valve actuator system via linear matrix inequality method

, 2018
Nonlinear active disturbance rejection control is much more effective than linear active disturbance rejection control in tolerance to uncertainties and disturbances.
Aimin Du, Sichuan Xu, Da Shao
core   +1 more source

Yaw control of an unmanned aerial vehicle helicopter using linear active disturbance rejection control

, 2017
In this article, a yaw channel controller with linear active disturbance rejection control is proposed for high-performance attitude tracking of an unmanned helicopter.
Rui Ma, Qilin Li, Li Ding, Hongtao Wu, Chun Feng   +4 more
core   +1 more source

Linear active disturbance rejection control with linear quadratic regulator for Stewart platform in active wave compensation system

Applied Ocean Research
Offshore operations are vulnerable to the vessel motions caused by waves in harsh sea conditions. To compensate for the wave-included motions of the vessel, the shipborne Stewart platform with a gangway mechanism offers an effective means to enhance ...
Wenxuan Wang, Yinghao Ning, Yang Zhang, Peng Xu, Bing Li   +4 more
doaj   +1 more source

Fractional-Order Linear Active Disturbance Rejection Control Strategy for DC-DC BUCK Converters

This paper explores the problems of slow response speed, poor anti-interference performance, and low control accuracy that exist in traditional Active Disturbance Rejection Control methods in Buck-type DC/DC converters.
Shuqing Wang, Jiahao Zhang
core   +1 more source

A Fractional-Order Model-Assisted Reduced-Order ADRC for Photoelectric Stabilized Platforms

IEEE Access
To enhance the dynamic performance and disturbance rejection capability of photoelectric stabilized platforms, this study proposes a Fractional-Order Model-assisted Reduced-order Linear Active Disturbance Rejection Control (FO-MRLADRC) algorithm.
Guoyu Lin, Jiangong Wang, Hongwei Di, Xu Chen   +3 more
doaj   +1 more source

Precision motion control of a novel electromagnetic linear actuator based on a modified active disturbance rejection controller

, 2011
A modified active disturbance rejection controller is proposed in this paper to accomplish precision motion control of a novel electromagnetic linear actuator. The working principle and characteristics of the actuator are analyzed.
Siqin Chang, Xinxin Shi
core   +1 more source

Optimized LADRC for Sub-Synchronous Oscillation Suppression in Wind Turbines

Applied Sciences
Sub-synchronous oscillation problems may be induced when direct-drive wind turbines are connected to a weak AC power grid, and then it is necessary to analyze the mechanism of sub-synchronous oscillation and study effective suppression methods.
Hao-Yang He, Ming-Dong Wang, Hua-Yang Xu, Su-Yang Wang   +3 more
doaj   +1 more source