Results 1 to 10 of about 1,333 (117)

Linear-Nonlinear Switching Active Disturbance Rejection Speed Controller for Permanent Magnet Synchronous Motors

open access: yesSensors, 2022
To combine the advantages of linear active disturbance rejection control (LADRC) and nonlinear active disturbance rejection control (NLADRC) and improve the contradiction between the response speed and control precision caused by the limitation of ...
Ying Qu   +5 more
doaj   +3 more sources

A Nonlinear Three-Phase Phase-Locked Loop Based on Linear Active Disturbance Rejection Controller

open access: yesIEEE Access, 2017
Three-phase phase-locked loops (PLLs) are the most widely used synchronization components in power systems. For common PLL algorithms, there is a tradeoff between the filtering capability and dynamic response.
Guangyu Sun   +3 more
doaj   +3 more sources

Attitude Autopilot Design Based on Fuzzy Linear Active Disturbance Rejection Control

open access: yesAerospace, 2022
In view of the multi-source uncertainty disturbance problem during flight control, the attitude autopilot based on fuzzy linear active disturbance rejection control (F-LADRC) was proposed. A second-order linear active disturbance rejection controller was
Dongmei Han, Chuanjun Li, Zhongjiao Shi
doaj   +1 more source

Disturbance Rejection Trajectory Tracking Control for an Unmanned Quadrotor Based on Hybrid Controllers

open access: yesJournal of Robotics, 2021
The purpose of this article is to explore a dual-loop problem regarding the trajectory tracking control of a quadrotor unmanned aerial vehicle, applying a linear active disturbance rejection and conditional integrator sliding mode controller, namely ...
Xiaoming Ji, Zihui Cai
doaj   +1 more source

Research on permanent magnet synchronous motor algorithm based on linear nonlinear switching self-disturbance rejection control

open access: yesScientific Reports, 2023
This paper presents a linear-nonlinear switching control strategy, called Switching Active Disturbance Rejection Control (SADRC), to enhance the disturbance rejection capability of the speed controller in a servo system.
Xiangde Liu   +4 more
doaj   +1 more source

Linear Active Disturbance Rejection Control of Three-phase Current Source Rectifier

open access: yesJournal of Harbin University of Science and Technology, 2023
Aiming at the problems of large output overshoot, poor anti-interference ability and long response time of the traditional current source rectifier controlled by double closed-loop proportional integral controller (PI), the linear auto disturbance ...
LI Xuedong   +6 more
doaj   +1 more source

Nonlinear Active Disturbance Rejection Control of VGT-EGR System in Diesel Engines

open access: yesEnergies, 2020
In this paper, a nonlinear active disturbance rejection control (NLADRC) strategy based on nonlinear extended state observer (NLESO) is proposed to solve the unmodeled dynamics, coupling and disturbance due to change of working point in the variable ...
Pingyue Zhang   +3 more
doaj   +1 more source

Active Disturbance Rejection Vector Control for High-Power Asynchronous Motor to Suppress Measurement Noise

open access: yesZhongguo dianli, 2021
In the process of asynchronous motor vector control, the motor speed information is obtained through the speed measuring devices. Influenced by such factors as interference, quantization errors, and motor operating conditions, the detection elements ...
Xuesong ZHOU   +3 more
doaj   +1 more source

Drum Water Level Control Based on Improved ADRC

open access: yesAlgorithms, 2019
Drum water level systems show strong disturbance, big inertia, large time delay, and non-linearity characteristics. In order to improve the antidisturbance performance and robustness of the traditional active disturbance rejection controller (ADRC), an ...
Cuiping Pu, Yicheng Zhu, Jianbo Su
doaj   +1 more source

Fast luffing control of flexible boom of mobile elevated work platform with uncertain control input gain

open access: yesAdvances in Mechanical Engineering, 2023
In this paper, the dynamic model between input electric signal of hydraulic valve and boom luffing angle is established, and luffing control of flexible boom of mobile elevated work platform (MEWP) is studied.
Xin Fang   +3 more
doaj   +1 more source

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