Hostname: page-component-cd9895bd7-fscjk Total loading time: 0 Render date: 2024-12-27T21:02:49.919Z Has data issue: false hasContentIssue false

Stability analysis of mechanisms having unpowered degrees of freedom

Published online by Cambridge University Press:  09 March 2009

B. Borovac
Affiliation:
Faculty of Technical Sciences, V. Vlahovića 3, 21000-Novi Sad (Yugoslavia).
M. Vukobratović
Affiliation:
“Mihailo Pupin” Institute, Volgina 15, 11000-Beograd (Yugoslavia).
D. Stokić
Affiliation:
“Mihailo Pupin” Institute, Volgina 15, 11000-Beograd (Yugoslavia).

Summary

The stability analysis of active spatial mechanisms comprising both powered and unpowered joints is carried out for the first time using aggregation-decomposition method via Lyapunov vector functions. This method has already been used for analysis of mechanisms with all powered joints. To extend the application of the method to the stability analysis of mechanisms containing unpowered joints we developed modelling of special subsystem consisting of one powered and one unpowered joint. Then, we consider the stability of the complete system without neglecting any dynamic effect. The stability analysis is demonstrated by a numerical example of a particular biped system.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1989

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

1.Chow, C.K. and Jacobson, D.H., “Studies of Human Locomotion via Optimal Programming” Technical Report No 617 (Division of Engineering and Applied Physics, Harvard University, Cambridge, Mass., 1970).CrossRefGoogle Scholar
2.Chow, C.K. and Jacobson, D.H., “Postural Stability of Human LocomotionMathematical Biosciences 15, 93107, (1972).CrossRefGoogle Scholar
3.Hemami, H. and Katbab, A., “Constrained inverted Pendulum Model for Evaluating Upright Postural StabilityASME J. Dynamic Systems, Measurement and Control 104, 343349 (1982).CrossRefGoogle Scholar
4.Hemami, H. and Cvetković, V., “Postural Stability of Two Biped Models via Liapunov Second MethodIEEE Trans. on Automatic Control 6670, (1977).CrossRefGoogle Scholar
5.Hemami, H., Robinson, C.S. & Ceranowicz, A.Z., “Stability of Planar Biped Models by Simultaneous Pole Assignment and DecouplingInt. J. Systems Sci. 11, 6575 (1980).CrossRefGoogle Scholar
6.Vukobratović, M. & Stokić, D., “Postural Stability of Antropomorphic SystemsMathematical Biosćiences, 15, 217263 (1975).CrossRefGoogle Scholar
7.Vukobratović, M. & Stokić, D., “Dynamic Control of Unstable Locomotion RobotsMathematical Biosciences 24, 129157 (1975).CrossRefGoogle Scholar
8.Hemami, H. & Wyman, B., “Modeling and Control of Constrained Dynamic Systems with Application to Biped Locomotion in the Frontal PlaneIEEE Trans. on Automatic Control 24, 526536 (1979).CrossRefGoogle Scholar
9.Goddard, R., Hemami, H. and Weimer, F.C., “Biped Side Step in the Frontal PlaneIEEE Trans. on Automatic Control 28, 147156 (1983).CrossRefGoogle Scholar
10.Gubina, F., “Stability and Dynamic Control of Certain Types of Biped Locomotion IV Symp. on External Control of Human Extremities, Dubrovnik, 146160 (1972).Google Scholar
11.Miura, H. and Shimoyama, I., “Dynamic Walk of BipedInt. J. Robotic Research 3, 6072 (1984).CrossRefGoogle Scholar
12.Furusho, J., Masubuchi, M., “Control of Dynamical Biped Locomotion Systems for Steady WalkingASME J. Dynamic Systems, Measurement and Control 108, 111123 (1986).CrossRefGoogle Scholar
13.Vukobratović, M., , M. and Stokić, D., “Control of Manipulation Robots” monograph (Springer-Verlag Berlin, 1982).CrossRefGoogle Scholar
14.Ohotsimskii, D.E. et al. , “Control of integral Locomotion Robots” (in Russian) Proc. of VI IFAC Symp. on Autom. Contr. in Space, Erevan 122129 (1974).Google Scholar
15.Medvedov, B.S., Leskov, A.G., , A.G. and Yuschenko, A.S., “Systems of Manipulation Robots Control” (in Russian), Series Scientific Fundamentals of Robotics (edited by Popov, E.P.) (Nauka, Moscow 1978).Google Scholar
16.Vukobratović, M., Legged Locomotion Robots and Antropomorphic Mechanisms” monograph (“Pupin, M.”, Institute, Belgrade, 1975).Google Scholar
17. Weissenberger, “Stability Regions of Large-Scale Systems: Automatica 9, 653663 (1973).Google Scholar
18.Šiljak, D.D., “Multilevel Stabilization of Large-Scale Systems: A Spinning Flexible SpacecraftAutomatica 12, 309320 (1976).CrossRefGoogle Scholar
19.Šiljak, D.D., Large Scale Dynamic Systems: Stability and Structure (North-Holland, Amsterdam, 1978).Google Scholar
20.Morari, M., Stephanopoulos, M.S. and Aris, R., “Finite Stability Regions for Large-Scale Systems with Stable and Unstable SystemsInt. J. Control., 26, 805815 (1977).Google Scholar
21.Bitoris, G., Comments on “Finite Stability regions for Large-Scale Systems with Stable and Unstable systemsInt. J. Control 27, 979980 (1978).CrossRefGoogle Scholar
22.Vukobratović, M., Stokić, and Kirćanski, N.Non-Adaptive and Adaptive Control of Manipulation Robots monograph (Springer-Verlag, Berlin, 1985).CrossRefGoogle Scholar
23.Surla, , Borovac, B. and Konjović, Z., “Contribution to Modeling and Control of Antrophomorphic MechanismsSecond Yugoslav-Soviet Symposium on Applied Robotics, Beograd 195204 (1984).Google Scholar
24.Borovac, B., Vukobratović, M., Stokić, D. and Surla, D., “An Approach to Biped Control SynthesisRobotica, (1989).CrossRefGoogle Scholar