Results 11 to 20 of about 16,983,529 (251)

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

open access: yesRemote 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

open access: yesJournal 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   +4 more
doaj   +2 more sources

Nonlinear Tracking Differentiator Based Prescribed Performance Control for Space Manipulator [PDF]

open access: yes, 2023
A low-complexity prescribed performance controller is proposed for motion tracking control of a space manipulator in this paper. First of all, a prescribed-time prescribed performance function is designed.
Fan, Yidi   +5 more
core   +1 more source

Robust Trajectory Tracking for Underactuated Quadrotors with Prescribed Performance

open access: yes, 2022
We propose a control protocol based on the prescribed performance control (PPC) methodology for a quadro-tor unmanned aerial vehicle (UAV). Quadrotor systems belong to the class of underactuated systems for which the original PPC methodology cannot be ...
Verginis, Christos K.,   +3 more
core   +2 more sources

Extended prescribed performance control with input quantization for nonlinear systems

open access: yes, 2022
For a class of MIMO nonlinear systems, comprised of interconnected subsystems in Brunovsky canonical form, with uncertain yet locally Lipschitz nonlinearities among subsystems and quantized inputs, the target is to form a closed-loop system that exhibits
Shigen Gao   +9 more
core   +1 more source

Prescribed Performance Active Braking Control with Reference Adaptation for High-Speed Trains

open access: yes, 2021
Active braking control systems are vital for the safety of high-speed trains by leading the train operation at its maximum adhesion state. The train adhesion is a nonlinear function of the slip ratio and varies with the uncertain wheel-rail contact ...
Rui Zhang   +5 more
core   +1 more source

Posture regulation for unicycle-like robots with prescribed performance guarantees [PDF]

open access: yes, 2015
This study aims to address the regulation problem for the unicycle model while guaranteeing prescribed performance. Different controllers based either on polar coordinates or time-varying laws are proposed. The main contribution is the combination of the
Karayiannidis, Yiannis   +7 more
core   +1 more source

Prescribed Performance Rotating Formation Control of Multi-Spacecraft Systems with Uncertainties

open access: yesDrones, 2022
This paper investigates the problem of rotating formation control for multi-spacecraft systems with prescribed performance in the presence of model uncertainties.
Yan Liu   +5 more
doaj   +1 more source

Boundary Control of Flexible String Systems With Guaranteed Performance

open access: yesIEEE Access, 2019
This paper focused on the prescribed performance constraint control issue of vibrating flexible string systems affected by external disturbances. To stabilize the vibration, tackle the external disturbance, and achieve the pre-set performance, a smooth ...
Jian Shi, Xiaowei Wang
doaj   +1 more source

Adaptive Sliding Mode Control Method for Z-Axis Vibrating Gyroscope Using Prescribed Performance Approach

open access: yesApplied Sciences, 2020
This paper investigates one kind of high performance control methods for Micro-Electro-Mechanical-System (MEMS) gyroscopes using adaptive sliding mode control (ASMC) scheme with prescribed performance.
Cheng Lu   +4 more
doaj   +1 more source

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