Results 41 to 50 of about 29,811 (196)

Path Planning of Mobile Robot in Dynamic Obstacle Avoidance Environment Based on Deep Reinforcement Learning

IEEE Access
In this study, to address the issues faced by mobile robots in complex environments, such as sparse rewards caused by limited effective experience, slow learning efficiency in the early stages of training, as well as poor obstacle avoidance performance ...
Qingfeng Zhang, Wenpeng Ma, Qingchun Zheng, Xiaofan Zhai, Wenqian Zhang, Tianchang Zhang, Shuo Wang   +6 more
doaj   +1 more source

Polishing trajectory planning of three-dimensional vibration assisted finishing the structured surface

AIP Advances, 2019
There are extremely wide application fields for the structured surface because of excellent properties. Sometimes it must be polished finally in order to meet the practical requirements.
Guilian Wang, Bingrui Lv, Qingchun Zheng, Haibo Zhou, Zhenzhong Liu   +4 more
doaj   +1 more source

Influence of Electrostatic Force Nonlinearity on the Sensitivity Performance of a Tapered Beam Micro-Gyroscope Based on Frequency Modulation

Micromachines, 2023
Electrostatic force nonlinearity is widely present in MEMS systems, which could impact the system sensitivity performance. The Frequency modulation (FM) method is proposed as an ideal solution to solve the problem of environmental fluctuation stability ...
Kunpeng Zhang, Jianwei Xie, Shuying Hao, Qichang Zhang, Jingjing Feng   +4 more
doaj   +1 more source

The disturbance model in model based predictive control [PDF]

, 2003
Model Based Predictive Control (MBPC) is a control methodology which uses a process model on-line in the control computer; this model is used for calculating output predictions and optimizing control actions.
De Keyser, Robain, Ionescu, Clara-Mihaela   +1 more
core   +2 more sources

A digital design framework for the dimensional optimization of parallel robots based on kinematic and elasto-dynamic performance

Scientific Reports
The dimensional optimization based on kinematic and dynamic performance indices is proven significant for improving the operational performance of parallel robots.
Yue Ma, Weihua Sun, Hongye Wu, Bin Li, Qi Liu, Songtao Liu, Chenglin Dong, Dun Peng   +7 more
doaj   +1 more source

Hobbing mechanism of worm gear tooth surface with wave edges of double enveloping toroidal worm gearing

Journal of Advanced Mechanical Design, Systems, and Manufacturing
The double enveloping toroidal worm gear pair is a type of basic worm transmission with multi-tooth and double-line contacts. Tooth surfaces of the worm gear are hobbed by a toroidal worm gear hob which is produced based on the toroidal worm.
Xiang MA, Chengjie RUI, Xiaoshuai ZHAO, Zeyi JIA   +3 more
doaj   +1 more source

Development of a mechatronic sorting system for removing contaminants from wool [PDF]

, 2005
Automated visual inspection (AVI) systems have been extended to many fields, such as agriculture and the food, plastic and textile industries. Generally, most visual systems only inspect product defects, and then analyze and grade them due to the ...
Dehghani, A., Greenwood, B., King, T., Levesley, M., Zhang, L., Zhenwei, S.   +5 more
core   +1 more source

Dynamical Design and Gain Performance Analysis of a 3-DoF Micro-Gyro with an Anchored Leverage Mechanism

Micromachines, 2022
In this paper, we apply the leverage amplification principle to improve the gain of a three-degrees-of-freedom (3-DoF) micro-gyro. The gain of the micro-gyro can be improved by designing linear and nonlinear micro-gyros with an anchored lever mechanism ...
Kunpeng Zhang, Sai Wang, Shuying Hao, Qichang Zhang, Jingjing Feng   +4 more
doaj   +1 more source

Mechatronic design and construction of an intelligent mobile robot for educational purposes : a thesis presented in partial fulfilment of the requirements for the degree of Master of Technology in Engineering and Automation at Massey University, Palmerston North, New Zealand [PDF]

, 2000
The main aim of this project was to produce a working intelligent mechatronically designed mobile robot, which could be used for educational purposes. A secondary aim was to make the robot as a test-bed to investigate new systems (sensors, control etc ...
Phillips, Julian George
core  

Effect of waste plaster of Paris on physical and mechanical properties of ceramic pottery body [PDF]

, 2016
Over the years, millions tonnes of waste plaster of Paris (POP) were generated and disposed in landfills or most of the time was dumped directly into the environment without any treatments, makes it as one of the environmental issues.
Mat Nawi, Abdullah
core   +1 more source