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Task-space position/attitude tracking control of FAST fine tuning system

QI Lin, ZHANG Hui, DUAN Guanghong

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4,   Pages 392-399 doi: 10.1007/s11465-008-0056-8

Abstract: This paper addresses the task-space position/attitude tracking control of a suspended parallel robot,algebra, a novel model-independent task-space PD controller that ensures end-effector position and attitudeThe simulation and experimental results show that the new controller has better control effects than

Keywords： telescope     five-hundred     end-effector     controller     simulation    

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The Possibility of Active Attitude Control for Fuel Spray Review

Masataka Arai

Engineering 2019, Volume 5, Issue 3,   Pages 519-534 doi: 10.1016/j.eng.2019.04.010

Abstract: In the future, smart active control of combustion by means of fuel spray injection must be consideredtechnologies for fuel spray are very necessary for the smart control of combustion.spray-to-spray interaction, spray-to-wall interaction, and air flow have potential as a basis for active attitudecontrol of fuel spray.This article uses evidence from the literature to discuss the possibility of active spray attitude control

Keywords： Internal combustion engine     Fuel spray     Spray control     Spray behavior     Fuel injector    

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Advances in Active Suspension Systems for Road Vehicles

Min Yu,Simos Evangelou,Daniele Dini,

Engineering doi: 10.1016/j.eng.2023.06.014

Abstract: Existing review papers on ASSs mainly cover dynamics modeling and robust control; however, the gap betweencomprehensively reviews advances in ASSs for road vehicles, with a focus on hardware structures and controlproduction cars are discussed in detail, including the representative solutions of Mercedes active body controlIn terms of control strategies, the development of future ASSs aims not only to stabilize the chassisattitude and attenuate the chassis vibration, but also to enable ASSs to cooperate with other modules

Keywords： Active suspension     Vehicle dynamics     Robust control     Ride comfort     Chassis attitude    

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Shield Driven Tunneling in the Complex Layer：Direction Control of Shield and Preventing Segment Crack

Tan Zhongsheng,Hong Kairong,Wan Jianglin,Wang Mengshu

Strategic Study of CAE 2006, Volume 8, Issue 12,   Pages 92-96

Abstract: So it is difficult to excavate successfully and control the tunneling direction and shield tunnelingattitude.In order to control the tunneling direction and shield tunneling attitude more successfully, the reasonAt last, the reason and the rule of direction warp were got and many methods to control shield tunnelingattitude were tried.

Keywords： mixed ground     tunnel     attitude control     segment crack     segment dislocation    

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Decentralized fault-tolerant cooperative control of multipleUAVs with prescribed attitude synchronization Regular Papers

Zi-quan YU, Zhi-xiang LIU, You-min ZHANG, Yao-hong QU, Chun-yi SU

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 5,   Pages 685-700 doi: 10.1631/FITEE.1800569

Abstract:

In this paper, a decentralized fault-tolerant cooperative control scheme is developed for multipleby NNs and DOs to the measured states, are integrated into the developed fault-tolerant cooperative controlFurthermore, prescribed performance functions are imposed on the attitude synchronization tracking errorsAnother key feature is that the attitude synchronization tracking errors are strictly constrained withinFinally, simulation results are provided and have demonstrated the effectiveness of the proposed control

Keywords： Fault-tolerant control     Decentralized control     Prescribed performance     Unmanned aerial vehicle     Neural network    

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Trajectory planning and base attitude restoration of dual-arm free-floating space robot by enhanced bidirectional

Zongwu XIE1 , Xiaoyu ZHAO1 , Zainan JIANG1 , Haitao YANG2 , Chongyang LI1

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 1, doi: 10.1007/s11465-021-0658-y

Abstract: When free-floating space robots perform space tasks, the satellite base attitude is disturbed by theThe disturbance of the base orientation may affect the communication between the space robot and the controlbidirectional approach is proposed to plan the manipulator trajectory and eliminate the final base attitudeSimulations are carried out in the end, and the proposed method is validated in minimizing final base attitude

Keywords： free-floating space robot     dual arm     coordinated operation     base attitude restoration     bidirectional    

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Attitude toward preventive counseling and healthy practices among medical students at a Colombian university

Luz Helena Alba,Nora Badoui,Fabián Gil

Frontiers of Medicine 2015, Volume 9, Issue 2,   Pages 251-259 doi: 10.1007/s11684-015-0393-z

Abstract: Physical activity (PA) was associated with positive counseling attitude (ORs: nutrition 7.6; alcohol

Keywords： lifestyle     medical students     preventive medicine     counseling     universities     schools     medical    

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Drive system design and error analysis of the 6 degrees of freedom segment erector of shield tunneling machine

Hu SHI, Guofang GONG, Huayong YANG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 369-376 doi: 10.1007/s11465-011-0223-1

Abstract: The perturbation method in the error analysis is introduced to establish the position and attitude errormodel, considering a number of factors such as the hydraulic drive, control accuracy, and toleranceFormulas for calculating the position and attitude error of the grip hand of the segment erector are

Keywords： shield tunneling machine     segment erector     kinematics     position and attitude precision    

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variable density path search and simplification method for industrial manipulators with end-effector’s attitude Research Article

Jin WANG, Shengjie LI, Haiyun ZHANG, Guodong LU, Yichang FENG, Peng WANG, Jituo LI,dwjcom@zju.edu.cn

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 4,   Pages 536-552 doi: 10.1631/FITEE.2200353

Abstract: In many robot operation scenarios, the end-effector’s of movement are indispensable for the task process, such as robotic welding, spraying, handling, and stacking. Meanwhile, the inverse kinematics, collision detection, and space search are involved in the procedure under , making it difficult to achieve satisfactory efficiency and effectiveness in practice. To address these problems, we propose a distributed variable density method with (DVDP-AC) for . First, a position– reconstruction (PACR) approach is proposed in the inverse kinematic solution. Then, the (DSDF) model with single-step safety sphere (SSS) is designed to improve the efficiency of collision detection. Based on this, the variable density path search method is adopted in the Cartesian space. Furthermore, a novel forward sequential (FSPS) approach is proposed to adaptively eliminate redundant path points considering path accessibility. Finally, experimental results verify the performance and effectiveness of the proposed DVDP-AC method under end-effector’s , and its characteristics and advantages are demonstrated by comparison with current mainstream methods.

Keywords： Path planning     Industrial robots     Distributed signed-distance-field     Attitude constraints     Path simplification    

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Hao Wang, Zhi-yuan Wang, Ben-dong Wang, Zhong-he Jin, John L. Crassidis,roger@zju.edu.cn

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 2,   Pages 141-286 doi: 10.1631/FITEE.1900358

Abstract: s are widely used in attitude-determination and control systems of satellites.

Keywords： Infrared Earth sensor     Micro-satellite     Attitude determination system    

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WHEAT STRIPE RUST AND INTEGRATION OF SUSTAINABLE CONTROL STRATEGIES IN CHINA

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 1,   Pages 37-51 doi: 10.15302/J-FASE-2021405

Abstract: Growing resistant cultivars is the best strategy to control this disease but the pathogen can overcomeCurrent stripe rust control measures are based on many years of research including the underlying epidemiologystripe rust include negative regulatory gene editing, resistance gene overexpression and biological control

Keywords： sustainable disease control / integrated control Puccinia striiformis / Triticum aestivum    

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A systematic review of current and emergent manipulator control approaches

Syed Ali AJWAD,Jamshed IQBAL,Muhammad Imran ULLAH,Adeel MEHMOOD

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 2,   Pages 198-210 doi: 10.1007/s11465-015-0335-0

Abstract: productivity and accuracy in today’s robotic applications have highlighted an urge to replace classical controlstrategies with their modern control counterparts.Highlighting the authors’ research achievements in the domain of manipulator design and control, this paper presents a systematic and comprehensive review of the state-of-the-art control techniquesthree kinds of strategies, i.e., intelligent proportional-integral-derivative (PID) scheme, robust control

Keywords： robot control     robust and nonlinear control     adaptive control     intelligent control     industrial manipulators    

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Emerging contaminant control: From science to action

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 6, doi: 10.1007/s11783-022-1559-y

Abstract: characteristics and environmental risk of ECs in typical regions of China, and establishment of EC controlContinuous progress in scientific research of ECs promoted China’s action on EC control.Although great efforts have been made, the EC control in China still faces tremendous challenges.such as engineering, policy management and public participation should be combinedly adopted for EC control

Keywords： Emerging contaminants     Priority pollutants     PPCPs     POPs     Control policy    

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An integrated approach for machine-learning-based system identification of dynamical systems under control: application towards the model predictive control of a highly nonlinear reactor system

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 2,   Pages 237-250 doi: 10.1007/s11705-021-2058-6

Abstract: Advanced model-based control strategies, e.g., model predictive control, can offer superior control ofnonlinear continuous-time multiple-input multiple-output system models for nonlinear model predictive controlThis procedure successfully identified system models that enabled effective control in both servo andThis demonstration of how such system models could be identified for nonlinear model predictive controlwhich, in the face of process uncertainties or modelling limitations, allow rapid and stable control

Keywords： nonlinear model predictive control     black-box modeling     continuous-time system identification     machinelearning     industrial applications of process control    

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Precision control system of two-DOF stage with linear ultrasonic motor

ZHANG Hanlei, SHI Yunlai, ZHAO Chunsheng

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4,   Pages 421-425 doi: 10.1007/s11465-008-0063-9

Abstract: Using an appropriate control method, linear ultrasonic motors can be used in applications requiring highIn this paper, a closed loop PI control system is designed to achieve high position accuracy during thecontrol of a two-DOF stage driven by linear ultrasonic motors.The PI control algorithm is used to increase the stability and accuracy of position control.Experimental results denote that the control strategy proposed in this paper appears to have high efficiency

Keywords： settling     position accuracy     PI control     control algorithm     orthogonal    

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Title Author Date Type Operation

Task-space position/attitude tracking control of FAST fine tuning system

QI Lin, ZHANG Hui, DUAN Guanghong

Journal Article

The Possibility of Active Attitude Control for Fuel Spray

Masataka Arai

Journal Article

Advances in Active Suspension Systems for Road Vehicles

Min Yu,Simos Evangelou,Daniele Dini,

Journal Article

Shield Driven Tunneling in the Complex Layer：Direction Control of Shield and Preventing Segment Crack

Tan Zhongsheng,Hong Kairong,Wan Jianglin,Wang Mengshu

Journal Article

Decentralized fault-tolerant cooperative control of multipleUAVs with prescribed attitude synchronization

Zi-quan YU, Zhi-xiang LIU, You-min ZHANG, Yao-hong QU, Chun-yi SU

Journal Article

Trajectory planning and base attitude restoration of dual-arm free-floating space robot by enhanced bidirectional

Zongwu XIE1 , Xiaoyu ZHAO1 , Zainan JIANG1 , Haitao YANG2 , Chongyang LI1

Journal Article

Attitude toward preventive counseling and healthy practices among medical students at a Colombian university

Luz Helena Alba,Nora Badoui,Fabián Gil

Journal Article

Drive system design and error analysis of the 6 degrees of freedom segment erector of shield tunneling machine

Hu SHI, Guofang GONG, Huayong YANG

Journal Article

variable density path search and simplification method for industrial manipulators with end-effector’s attitude

Jin WANG, Shengjie LI, Haiyun ZHANG, Guodong LU, Yichang FENG, Peng WANG, Jituo LI,dwjcom@zju.edu.cn

Journal Article

N

Hao Wang, Zhi-yuan Wang, Ben-dong Wang, Zhong-he Jin, John L. Crassidis,roger@zju.edu.cn

Journal Article

WHEAT STRIPE RUST AND INTEGRATION OF SUSTAINABLE CONTROL STRATEGIES IN CHINA

Journal Article

A systematic review of current and emergent manipulator control approaches

Syed Ali AJWAD,Jamshed IQBAL,Muhammad Imran ULLAH,Adeel MEHMOOD

Journal Article

Emerging contaminant control: From science to action

Journal Article

An integrated approach for machine-learning-based system identification of dynamical systems under control: application towards the model predictive control of a highly nonlinear reactor system

Journal Article

Precision control system of two-DOF stage with linear ultrasonic motor

ZHANG Hanlei, SHI Yunlai, ZHAO Chunsheng

Journal Article