Results 31 to 40 of about 16,983,529 (251)

Prescribed-Time Formation Tracking Control for Underactuated USVs with Prescribed Performance

open access: yesJournal of Marine Science and Engineering
This article proposes a prescribed-time formation tracking control scheme for USVs with prescribed performance constraints to address the issue of multiple underactuated USV formation tracking control with external environmental disturbances and input ...
Bowen Sui, Jianqiang Zhang, Zhong Liu
doaj   +1 more source

Trajectory Tracking Control of Surface Vehicles: A Prescribed Performance Fixed-Time Control Approach

open access: yesIEEE Access, 2020
This article focuses on the fixed-time trajectory tracking problem for surface vehicles (SVs) with prescribed performance. First, to realize prescribed performance, the error transformation and fixed-time prescribed performance function are proposed.
Tingting Yang, Zuxin Li, Jiaju Yu
doaj   +1 more source

Uncertainty-Estimation-Based Prescribed Performance Pressure Control for Train Electropneumatic Brake Systems

open access: yesActuators, 2023
Fast and precise pressure control for an electropneumatic brake system is essential for ensuring the safe operation of trains. However, the nonlinearity and uncertainties of the system make controller design challenging.
Rui Zhang   +3 more
doaj   +1 more source

Adaptive Neural Funnel Control for Nonlinear Two-Inertia Servo Mechanisms With Backlash

open access: yesIEEE Access, 2019
This paper proposes a modified adaptive neural control algorithm with a funnel function for nonlinear two-inertia servomechanisms with backlash and external disturbance.
Shubo Wang   +3 more
doaj   +1 more source

Primitive polynomials with prescribed second coefficient [PDF]

open access: yes, 2006
The Hansen-Mullen Primitivity Conjecture (HMPC) (1992) asserts that, with some (mostly obvious) exceptions, there exists a primitive polynomial of degree n over any finite fieldwith any coefficient arbitrarily prescribed.
Cohen, Stephen D.   +3 more
core   +1 more source

Improved Motion Control of Manipulator by Prescribed Performance Control Algorithm

open access: yes工程科学与技术, 2020
PD control is widely used in the control of industrial production process, and it is also one of the control strategies with the simplest structure. It focuses on the steady-state performance of the control system, but there is not enough attention paid ...
Jing ZHAO, Yan WANG, Yuqing CHEN
doaj  

Adaptive Fault-Tolerant Control of Nonlinear Time-Delay Systems With Prescribed Performance

open access: yesIEEE Access, 2020
An adaptive fault-tolerant control method considering actuator fault is proposed for a class of strict-feedback nonlinear time-delay systems. The prescribed performance is introduced by error transformation, which guarantees the transient performance of ...
Zhongjun Yang   +3 more
doaj   +1 more source

Prescribed-Time-Based Anti-Disturbance Tracking Control of Manipulators Under Multiple Constraints

open access: yesActuators
Manipulators have a wide range of applications in industrial automation. However, their nonlinear characteristics, time-varying properties, and external disturbances present significant challenges in accurately tracking their trajectories.
Zirui Wang   +2 more
doaj   +1 more source

Finite Time Prescribed Performance Control for Uncertain Second-Order Nonlinear Systems

open access: yesJournal of Mathematics, 2022
In this article, we discuss the finite time stability problem for second-order systems with an uncertain nonlinear function. A finite time performance function with the sinusoidal function is constructed, and the constrained problem of the original ...
Hui Lv, Wei Xiang, Jun Zhu
doaj   +1 more source

Accurate prescribed-performance tracking control of ROV with limited thrust

open access: yesZhongguo Jianchuan Yanjiu, 2023
ObjectiveThis study explores the limited thrust/torque of a remotely operated vehicle (ROV) by addressing the difficulty of achieving precise control in prescribed-performance 3D trajectory tracking. Considering unknown factors such as system uncertainty
Ting LU, Ning WANG, Renhui WANG
doaj   +1 more source

Home - About - Disclaimer - Privacy