Evidence for Spring Loaded Inverted Pendulum Running in a Hexapod Robot
نویسندگان
چکیده
This paper presents the first evidence that the Spring Loaded Inverted Pendulum (SLIP) may be “anchored ” in our recently designed compliant leg hexapod robot, RHex. Experimentally measured RHex center of mass trajectories are fit to the SLIP model and an analysis of the fitting error is performed. The fitting results are corroborated by numerical simulations. The “anchoring ” of SLIP dynamics in RHex offers exciting possibilities for hierarchical control of hexapod robots. For more information: Kod*Lab Comments BibTeX entry @inproceedings{Altendorfer-Saranli-Komsuoglu.ISER2000, author = {Altendorfer, R. and Saranli, U. and Komsuoglu, H. and Koditschek, D. E. and Brown, Jr. H. B. and Buehler, M. and Moore, N. and McMordie, D. and Full, R.}, title = {Evidence for Spring Loaded Inverted Pendulum Running in a Hexapod Robot}, booktitle = {Proceedings on International Symposium on Experimental Robotics}, year = {2000} } This work is supported by DARPA/SPAWAR under contract N66001-00-C-8026. We thank Rodger Kram and Claire Farley for the use of the force plateform and Irv Scher for collaboration at an early stage of this project. Author(s) Richard Altendorfer, Uluc Saranli, Haldun Komsuoglu, Daniel E. Koditschek, H. Benjamin Brown Jr., Martin Buehler, Ned Moore, Dave McMordie, and Robert Full This conference paper is available at ScholarlyCommons: http://repository.upenn.edu/ese_papers/666
منابع مشابه
RHex: A Biologically Inspired Hexapod Runner
RHex is an untethered, compliant leg hexapod robot that travels at better than one body length per second over terrain few other robots can negotiate at all. Inspired by biomechanics insights into arthropod locomotion, RHex uses a clock excited alternating tripod gait to walk and run in a highly maneuverable and robust manner. We present empirical data establishing that RHex exhibits a dynamica...
متن کاملKinematic and dynamic analysis of a hexapod walking-running-bounding gaits robot and control actions
Article history: Received 19 April 2011 Received in revised form 10 October 2011 Accepted 10 October 2011 Available online xxxx 0045-7906/$ see front matter Crown Copyright doi:10.1016/j.compeleceng.2011.10.008 ⇑ Corresponding author. E-mail addresses: [email protected] (S. Soyg Please cite this article in press as: Soyguder S, A and control actions. Comput Electr Eng (2011 Kinematic and d...
متن کاملAnchoring the SLIP template: The effect of leg mass on running stability
Spring-like leg behavior was found in the global dynamics of human and animal running in sagittal plane. The corresponding template model, the conservative spring-loaded inverted pendulum (SLIP), shows stability for a large range of speeds and is, therefore, a promising concept for the design of legged robots. However, an anchoring of this template is needed in order to provide functions of bio...
متن کاملA Spring Assisted One Degree of Freedom Climbing Model
A dynamic model of running–the spring-loaded inverted pendulum (SLIP)–has proven effective in describing the force patterns found in a wide variety of animals and in designing and constructing a number of terrestrial running robots. Climbing or vertical locomotion has, on the other hand, lacked such a simple and powerful model. Climbing robots to date have all been quasi-static in their operati...
متن کاملExploiting Passive Stability for Hierarchical Control
The dynamics of a Spring Loaded Inverted Pendulum (SLIP) \template” [1] approximate well the center of mass (COM) of running animals, humans, and of the robot RHex [2]. Running control can therefore be ierarchically structured as a high level SLIP control and the anchoring of SLIP in the complex morphology of the physical system. Analysis of the sagittal plane lossless SLIP model has shown that...
متن کامل