Search Results - subject:"state observer"

FTESO-adaptive neural network based safety control for a quadrotor UAV under multiple disturbances: algorithm and experiments

Cai, Xin; Zhu, Xiaozhou; Yao, Wen - In: Industrial Robot: the international journal of robotics … 51 (2024) 1, pp. 20-33

synthetic uncertainties of the system, a finite-time extended state observer is investigated, and the disturbances are … performance. Originality/value This paper proposes the safety control structure of the UAV, which combines the extended state … observer with the neural network method. Numerical simulation results and actual flight experiments demonstrate the …

Persistent link: https://www.econbiz.de/10015348389

Design and extensibility analysis of a variable buoyancy system for small autonomous underwater vehicles

Xia, Yi; Li, Yonglong; Zang, Hongbin; Mao, Yanpian; … - In: Industrial Robot: the international journal of robotics … 51 (2024) 2, pp. 287-300

Purpose A switching depth controller based on a variable buoyancy system (VBS) is proposed to improve the performance of small autonomous underwater vehicles (AUVs). First, the requirements of VBS for small AUVs are analyzed. Second, a modular VBS with high extensibility and easy integration is...

Persistent link: https://www.econbiz.de/10015348410

Linear-extended-state-observer-based prescribed performance control for trajectory tracking of a robotic manipulator

Xu, Bingjie; Ji, Shuai; Zhang, Chengrui; Chen, Chao; … - In: Industrial Robot: the international journal of robotics … 48 (2021) 4, pp. 544-555

systems. This paper aims to improve the trajectory tracking accuracy of robotic manipulator, so a linear-extended-state-observer …

Persistent link: https://www.econbiz.de/10014835770

Constant force control for aluminum wheel hub grinding based on ESO + backstepping

Dai, Shijie; Zhao, Yufeng; Ji, Wenbin; Mu, Jiaheng; Hu, … - In: Industrial Robot: the international journal of robotics … 49 (2021) 5, pp. 824-834

. Design/methodology/approach A constant force control strategy combined by extended state observer (ESO) and backstepping …

Persistent link: https://www.econbiz.de/10014835903

Nonlinear Power-Level Control of the MHTGR Only with the Feedback Loop of Helium Temperature

Dong, Zhe - In: Energies 6 (2013) 2, pp. 1142-1164

the helium temperature. The basis for developing this kind of control law is to give a state-observer of the MHTGR a … relationship that only needs the measurement of helium temperature. With this in mind, a novel nonlinear state observer which only …

Persistent link: https://www.econbiz.de/10011031011

A novel adaptive control scheme for dynamic performance improvement of DFIG-Based wind turbines

Song, Zhanfeng; Shi, Tingna; Xia, Changliang; Chen, Wei - In: Energy 38 (2012) 1, pp. 104-117

A novel adaptive current controller for DFIG-based wind turbines is introduced in this paper. The attractiveness of the proposed strategy results from its ability to actively estimate and actively compensate for the plant dynamics and external disturbances in real time. Thus, the control...

Persistent link: https://www.econbiz.de/10010810282

DESIGN OF THE STATE OBSERVER WITH D-STABILITY FOR UNCERTAIN SYMMETRIC CIRCULANT COMPOSITE SYSTEMS

LIU, MAN; ZHANG, YOU; JING, YUAN-WEI; ZHANG, SI-YING - In: Advances in Complex Systems (ACS) 08 (2005) 02, pp. 193-208

The design of the state observer for a kind of uncertain symmetric circulant composite systems based on regional pole … subproblems for N/2+1 or (N + 1)/2 uncertain systems with n dimensions. The central D-stabilizable state observer is also a … original system and can be constructed by the "decentralized observer gain matrices." Thus, the problem of designing state …

Persistent link: https://www.econbiz.de/10004977671