Results 11 to 20 of about 22,616,288 (249)

Prescribed-Time Dynamic Positioning Control for USV with Lumped Disturbances, Thruster Saturation and Prescribed Performance Constraints

Remote Sensing
This work studies the dynamic positioning (DP) control issue of unmanned surface vessels subjected to thruster saturation, error constraints, and lumped disturbances composed of time-varying marine environmental disturbances and model parameter ...
Bowen Sui, Jianqiang Zhang, Zhong Liu
doaj   +2 more sources

Prescribed-Time Trajectory Tracking Control for Unmanned Surface Vessels with Prescribed Performance Considering Marine Environmental Interferences and Unmodeled Dynamics

Journal of Marine Science and Engineering
This article investigates a prescribed-time trajectory tracking control strategy for USVs considering marine environmental interferences and unmodeled dynamics. Firstly, a fixed-time extended state observer is introduced to quickly and accurately observe
Bowen Sui, Yiping Liu, Jianqiang Zhang, Zhong Liu, Yuanyuan Zhang   +4 more
doaj   +2 more sources

Prescribed-time second-order sliding mode controller design subject to mismatched term

, 2022
This paper investigates the second-order sliding mode (SOSM) control for uncertain nonlinear systems subject to unknown mismatched terms. A new prescribed-time SOSM controller is developed by applying a time-varying coordinate transformation.
Jun Yang (4410343), Shang Shi (12210506), Xinming Wang (510004), Shihua Li (737625)   +3 more
core   +7 more sources

Practical prescribed-time fuzzy tracking control for uncertain nonlinear systems with time-varying actuators faults

Journal of Automation and Intelligence
The paper investigates the practical prescribed-time fuzzy tracking control problem for a category of nonlinear system subject to time-varying actuator faults.
Shuxing Xuan, Hongjing Liang, Tingwen Huang   +2 more
doaj   +2 more sources

Prescribed-time nonsingular terminal sliding mode control and its application in PMSM servo systems

This study investigates the design of prescribed-time nonsingular terminal sliding mode (TSM) control and its utilization in position tracking control of permanent magnet synchronous motors (PMSM) servo systems.
Jun Yang (4410343), Liaoxuan Dai (19934424), Huifang Min (19934427), Shang Shi (12210506), Shihua Li (737625)   +4 more
core   +5 more sources

Adaptive Sliding Mode Attitude-Tracking Control of Spacecraft with Prescribed Time Performance

Mathematics, 2022
In this article, a novel finite-time attitude-tracking control scheme is proposed by using the prescribed performance control (PPC) method for the spacecraft system under the external disturbance and an uncertain inertia matrix. First, a novel polynomial
Runze Chen, Zhenling Wang, Weiwei Che
doaj   +1 more source

A Novel Prescribed-Performance-Tracking Control System with Finite-Time Convergence Stability for Uncertain Robotic Manipulators

Sensors, 2022
Through this article, we present an advanced prescribed performance-tracking control system with finite-time convergence stability for uncertain robotic manipulators.
Anh Tuan Vo, Thanh Nguyen Truong, Hee-Jun Kang   +2 more
doaj   +1 more source

A Model-Free-Based Control Method for Robot Manipulators: Achieving Prescribed Performance and Ensuring Fixed Time Stability

Applied Sciences, 2023
This paper addresses three significant challenges in controlling robot manipulators: improving response time, minimizing steady-state errors and chattering, and enhancing controller robustness.
Anh Tuan Vo, Thanh Nguyen Truong, Hee-Jun Kang   +2 more
doaj   +1 more source

Experimentally validated continuous-time repetitive control of non-minimum phase plants with a prescribed degree of stability [PDF]

, 2010
This paper considers the application of continuous-time repetitive control to non-minimum phase plants in a continuous-time model predictive control setting.
Owens, David H., Freeman, Chris T., Liuping Wang, Chris T. Freeman, Eric Rogers, Wang, Liuping, Rogers, Eric, David H. Owens   +7 more
core   +1 more source

Prescribed-Time Prescribed-Performance Distribution Algorithms for Multiagent Systems With Input Delays and Its Application to QUAV

IEEE Access
Quadrotor Unmanned Aerial Vehicle (QUAV) have found extensive application across a wide range of practical missions. However, their compact and lightweight configurations render them particularly vulnerable to external disturbances and input delays. This
Yaqi Gu, Wenjun Sun, Junsheng Zhao
doaj   +1 more source