Trajectory planning and tracking for four‐wheel steering vehicle based on differential flatness and active disturbance rejection controller

2021 ◽  
Author(s):  
Yuanqing Xia ◽  
Min Lin ◽  
Jinhui Zhang ◽  
Mengyin Fu ◽  
Chunming Li ◽  
...  
Keyword(s):  
Trajectory Planning ◽  
Disturbance Rejection ◽  
Differential Flatness ◽  
Active Disturbance Rejection

scholarly journals A novel active disturbance rejection controller for an electromagnetic valve actuator

2018 ◽  
Vol 202 ◽  
pp. 02010
Author(s):  
Jiayu Lu ◽  
Siqin Chang
Keyword(s):  
Motion Control ◽  
Trajectory Planning ◽  
Disturbance Rejection ◽  
Dynamic Performance ◽  
Engine Performance ◽  
Valve Lift ◽  
Electromagnetic Valve ◽  
Active Disturbance Rejection ◽  
Variable Valve ◽  
The Impact

In order to achieve fully variable and precise motion control of the electromagnetic valve actuator, enhance the engine performance, a novel active disturbance rejection controller for an electromagnetic valve actuator based on trajectory planning and acceleration feedforward is proposed. A fourth-order trajectory planning is used to achieve fully variable valve motion control, including variable valve lift and timing. It can also reduce the impact and vibration of EMVA system. Active disturbance rejection controller is used to estimate the variant dynamic and external disturbances of the system. The acceleration feedforward is compensated for the system to improve the tracking and steady state accuracy. Comparative simulations results show the proposed controller can improve the dynamic performance and the robustness of the system, and enhance the control precision.

Active Disturbance Rejection Control for the Joint Driven by PMAs

ROBOT ◽  
2011 ◽  
Vol 33 (4) ◽  
pp. 461-466 ◽  
Author(s):  
Hao LIU ◽  
Tao WANG ◽  
Wei FAN ◽  
Tong ZHAO ◽  
Junzheng WANG
Keyword(s):  
Disturbance Rejection ◽  
Active Disturbance Rejection Control ◽  
Active Disturbance Rejection ◽  
Disturbance Rejection Control

Active Disturbance Rejection Force Control for Astronaut Rehabilitative Training Robot

ROBOT ◽  
2012 ◽  
Vol 34 (2) ◽  
pp. 217 ◽  
Author(s):  
Lixun ZHANG ◽  
Yupeng ZOU ◽  
Liming SUI ◽  
Keyi WANG
Keyword(s):  
Force Control ◽  
Disturbance Rejection ◽  
Active Disturbance Rejection

scholarly journals Active Disturbance Rejection for a Three Degrees of Freedom Gyroscope

2018 ◽  
Vol 51 (13) ◽  
pp. 372-377 ◽  
Author(s):  
Juan E. Andrade García ◽  
Alejandra Ferreira de Loza ◽  
Luis T. Aguilar ◽  
Ramón I. Verdés
Keyword(s):  
Disturbance Rejection ◽  
Degrees Of Freedom ◽  
Active Disturbance Rejection ◽  
Three Degrees Of Freedom
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