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Št. zadetkov: 4
Error prediction for large optical mirror processing robot based on deep learning
Zujin Jin, Gang Cheng, Shichang Xu, Dunpeng Yuan
Izvirni znanstveni članek
Oznake: Bayesian optimization;error prediction;optical mirror processing;hybrid manipulators;hyperparametrics;deep learning;
Predicting the errors of a large optical mirror processing robot (LOMPR) is very important when studying a feedforward control error compensation strategy to improve the motion accuracy of the LOMPR. Therefore, an end trajectory error prediction model of a LOMPR based on a Bayesian optimized long sh ...
Leto: 2022 Vir: Fakulteta za strojništvo (UL FS)
End-trajectory sliding mode control algorithm design of hybrid polishing robot based on nonlinear disturbance observer
Bo Sun, Xin Li, Feng Guo, Gang Cheng
Izvirni znanstveni članek
Oznake: hybrid polishing robots;dynamical model;sliding mode control;disturbance observer;trajectory tracking control;
The five-degrees-of-freedom (5-DOF) hybrid polishing robot is utilized for machining large optical mirrors. Since the existing kinematics control strategy does not meet high-precision control requirements, it is necessary to develop a dynamics controller to improve the operational performance of the ...
Leto: 2026 Vir: Fakulteta za strojništvo (UL FS)
Overall structure calibration of 3-UCR parallel manipulator based on quaternion method
Gang Cheng, Wei Gu, Jing-li Yu, Ping Tang
Izvirni znanstveni članek
Oznake: paralelni manipulatorji;umerjanje;metoda najmanjših kvadratov;strojništvo;
Leto: 2011 Vir: dLib.si Digitalna knjižnica Slovenije
Active disturbance rejection control algorithm for the driven branch chain of a polishing robot
Kaifeng Dong, Jun Li, Mengyao Lv, Xin Li, Wei Gu, Gang Cheng
Izvirni znanstveni članek
Oznake: active disturbance rejection control;trajectory tracking;parallel mechanism;driven branch chain;
To overcome poor error suppression performance and low control accuracy in the polishing robot-driven branch chain control system, this paper proposes an improved active disturbance rejection control (ADRC) from the design of the derived nonlinear function. Subsequently, the tracking differentiator ...
Leto: 2023 Vir: Fakulteta za strojništvo (UL FS)
Št. zadetkov: 4
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