{"title":"Decentralized control of nonlinear robot manipulators","authors":"M. Jamshidi, H. Seraji , Y.T. Kim","doi":"10.1016/0167-8493(87)90053-2","DOIUrl":null,"url":null,"abstract":"<div><p>Robot manipulators have highly nonlinear dynamics. Therefore the control of multi-link robot arms is a challenging and difficult problem. In this paper a nonlinear dynamic model is first presented for an <span><math><mtext>x-</mtext><mtext>axis</mtext></math></span> robot arm. Then a linearized model is obtained for it. The linearized model is then considered as an <span><math><mtext>n-</mtext><mtext>controller</mtext></math></span> large-scale system. The notion of decentralized stabilization has been introduced and applied to the robot arm. Controllers considered are <span>pd, pid</span> and <span>pd</span> plus a feedforward (inverse dynamics). Numerical simulation for decentralized control of a 3-axis <span>puma</span> arm will also be included.</p></div>","PeriodicalId":37568,"journal":{"name":"Robotics","volume":"3 3","pages":"Pages 361-370"},"PeriodicalIF":2.9000,"publicationDate":"1987-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0167-8493(87)90053-2","citationCount":"11","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Robotics","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0167849387900532","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ROBOTICS","Score":null,"Total":0}
引用次数: 11
Abstract
Robot manipulators have highly nonlinear dynamics. Therefore the control of multi-link robot arms is a challenging and difficult problem. In this paper a nonlinear dynamic model is first presented for an robot arm. Then a linearized model is obtained for it. The linearized model is then considered as an large-scale system. The notion of decentralized stabilization has been introduced and applied to the robot arm. Controllers considered are pd, pid and pd plus a feedforward (inverse dynamics). Numerical simulation for decentralized control of a 3-axis puma arm will also be included.
期刊介绍:
Robotics publishes original papers, technical reports, case studies, review papers and tutorials in all the aspects of robotics. Special Issues devoted to important topics in advanced robotics will be published from time to time. It particularly welcomes those emerging methodologies and techniques which bridge theoretical studies and applications and have significant potential for real-world applications. It provides a forum for information exchange between professionals, academicians and engineers who are working in the area of robotics, helping them to disseminate research findings and to learn from each other’s work. Suitable topics include, but are not limited to: -intelligent robotics, mechatronics, and biomimetics -novel and biologically-inspired robotics -modelling, identification and control of robotic systems -biomedical, rehabilitation and surgical robotics -exoskeletons, prosthetics and artificial organs -AI, neural networks and fuzzy logic in robotics -multimodality human-machine interaction -wireless sensor networks for robot navigation -multi-sensor data fusion and SLAM