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case1057091907.pdf (3.06 MB)
ETD Abstract Container
Abstract Header
Nonholonomic control of coupled spatial multibody systems
Author Info
Chen, Chih-Keng
Permalink:
http://rave.ohiolink.edu/etdc/view?acc_num=case1057091907
Abstract Details
Year and Degree
1993, Doctor of Philosophy, Case Western Reserve University, Systems and Control Engineering.
Abstract
This dissertation is concerned with dynamic modeling, controllability and control synthesis of coupled multibody systems. The systems are configured as open kinematic chain and with large angle motions in three dimensional space. Angular momentum preserving reorientation problem is of interest here. This has applications in multibody satellites and space robotics, and, in the understanding of the classical cat fall problem. A coordinate free representation of dynamics for a multibody system, composed of rigid bodies connected by ball-in-socket joints without kinematic loops, is derived. The conservation of angular momentum results in a nonholonomic constraint. Important properties of nonholonomic system are discussed. Controllability is explored in a coordinate free form. Local coordinate results can then be easily derived. A sufficient condition for strong accessibility and small time local controllability (STLC) is derived. We give a nonsmooth feedback control law to control the absolute orientation of two-body system. This synthesis approach based on a path planning method: multi-cycle joint motion. We prove that the applicability of the control synthesis using linear motions along a closed relative angle path requires controllability condition to be satisfied. The computer simulation results illustrate the convergent prope rty of this control design. Results presented here are a nontrivial extension of previous work on planar systems. All results can be extended to tree connected multibody systems and can be applied to many mechanical system with nonholonomic constraint.
Committee
N. Sreenath (Advisor)
Pages
134 p.
Keywords
Nonholonomic control coupled spatial multibody systems
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Citations
Chen, C.-K. (1993).
Nonholonomic control of coupled spatial multibody systems
[Doctoral dissertation, Case Western Reserve University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=case1057091907
APA Style (7th edition)
Chen, Chih-Keng.
Nonholonomic control of coupled spatial multibody systems.
1993. Case Western Reserve University, Doctoral dissertation.
OhioLINK Electronic Theses and Dissertations Center
, http://rave.ohiolink.edu/etdc/view?acc_num=case1057091907.
MLA Style (8th edition)
Chen, Chih-Keng. "Nonholonomic control of coupled spatial multibody systems." Doctoral dissertation, Case Western Reserve University, 1993. http://rave.ohiolink.edu/etdc/view?acc_num=case1057091907
Chicago Manual of Style (17th edition)
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Document number:
case1057091907
Download Count:
626
Copyright Info
© 1993, all rights reserved.
This open access ETD is published by Case Western Reserve University School of Graduate Studies and OhioLINK.