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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 03965naa a2200349 4500 | |
| 001 | oai:lup.lub.lu.se:fb129a30-a41d-401a-8b5e-0c83a97a53fb | |
| 003 | SwePub | |
| 008 | 211004s2021 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://lup.lub.lu.se/record/fb129a30-a41d-401a-8b5e-0c83a97a53fb2 URI |
| 024 | 7 | a https://doi.org/10.1109/RO-MAN50785.2021.95155142 DOI |
| 040 | a (SwePub)lu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a kon2 swepub-publicationtype |
| 072 | 7 | a ref2 swepub-contenttype |
| 100 | 1 | a Salt Ducaju, Julian M.u Lund University,Lunds universitet,Institutionen för reglerteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Automatic Control,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)ju8530sa |
| 245 | 1 0 | a Joint Stiction Avoidance with Null-Space Motion in Real-Time Model Predictive Control for Redundant Collaborative Robots |
| 264 | 1 | c 2021 |
| 300 | a 8 s. | |
| 338 | a electronic2 rdacarrier | |
| 520 | a Model Predictive Control (MPC) is an efficient point-to-point trajectory-generation method for robots that can be used in situations that occur under time constraints. The motion plan can be recalculated online to increase the accuracy of the trajectory when getting close to the goal position. We have implemented this strategy in a Franka Emika Panda robot, a redundant collaborative robot, by extending previous research that was performed on a 6-DOF robot. We have also used null-space motion to ensure a continuous movement of all joints during the entire trajectory execution as an approach to avoid joint stiction and allow accurate kinesthetic teaching. As is conventional for collaborative and industrial robots, the Panda robot is equipped with an internal controller, which allows to send position and velocity references directly to the robot. Therefore, null-space motion can be added directly to the MPC-generated velocity references. The observed trajectory deviation caused by discretization approximations of the Jacobian matrix when implementing null-space motion has been corrected experimentally using sensor feedback for the real-time velocity-reference recalculation and by performing a fast sampling of the null-space vector. Null-space motion has been experimentally seen to contribute to reducing the friction torque dispersion present in static joints. | |
| 650 | 7 | a TEKNIK OCH TEKNOLOGIERx Elektroteknik och elektronikx Robotteknik och automation0 (SwePub)202012 hsv//swe |
| 650 | 7 | a ENGINEERING AND TECHNOLOGYx Electrical Engineering, Electronic Engineering, Information Engineeringx Robotics0 (SwePub)202012 hsv//eng |
| 700 | 1 | a Olofsson, Bjornu Lund University,Lunds universitet,Institutionen för reglerteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Automatic Control,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)cont-boo |
| 700 | 1 | a Robertsson, Andersu Lund University,Lunds universitet,Institutionen för reglerteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Automatic Control,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)cont-aro |
| 700 | 1 | a Johansson, Rolfu Lund University,Lunds universitet,Institutionen för reglerteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Automatic Control,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)cont-rjo |
| 710 | 2 | a Institutionen för reglerteknikb Institutioner vid LTH4 org |
| 773 | 0 | t 2021 30th IEEE International Conference on Robot and Human Interactive Communication, RO-MAN 2021g , s. 307-314q <307-314x 1944-9437x 1944-9445z 9781665404921 |
| 856 | 4 | u https://portal.research.lu.se/files/160718327/RO_MAN21_FINAL_5_.pdfx primaryx freey FULLTEXT |
| 856 | 4 | u http://dx.doi.org/10.1109/RO-MAN50785.2021.9515514y FULLTEXT |
| 856 | 4 8 | u https://lup.lub.lu.se/record/fb129a30-a41d-401a-8b5e-0c83a97a53fb |
| 856 | 4 8 | u https://doi.org/10.1109/RO-MAN50785.2021.9515514 |
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