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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Tosunoglu, Sabri Lin, Shyng-Her Tesar, Delbert |
| Copyright Year | 1990 |
| Description | Author affiliation: ETC 4.146, Department of Mechanical Engineering, University of Texas at Austin, Austin, Texas 78712 (Tosunoglu, Sabri; Lin, Shyng-Her; Tesar, Delbert) |
| Abstract | Although serial manipulator arms modeled with rigid links show full system controllability in the joint space, this condition does not necessarily hold for flexible robotic systems. In particular, in certain robot configurations, called inaccessible robot positions, one or more of the flexibilities may not be accessed directly by the actuators. This condition deteriorates system performance as reported earlier by the authors (Tosunoglu et al., 1988, 1989). The present study addresses the relationship between the accessibility and controllability concepts and establishes accessibility as a distinct concept from controllability. Although the theoretical framework is developed for n-link, spatial manipulators modeled with m oscillation components, example case studies demonstrate the concepts on one- and two-link arms for brevity. Specifically, it is shown that although in accessibility and uncontrollability may coincide in certain instances (as shown on a one-like arm), counter examples may be found where an arm in an inaccessible position can simultaneously demonstrate full system controllability (as shown on a two-link arm). |
| Starting Page | 704 |
| Ending Page | 711 |
| File Size | 689403 |
| Page Count | 8 |
| File Format | |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1990-05-23 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | American Automatic Control Council(AACC) |
| Subject Keyword | Controllability Manipulators Orbital robotics Actuators Adaptive control Books Service robots Control systems Equations Arm |
| Content Type | Text |
| Resource Type | Article |
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