4Bickler D B.Articulated suspension system,USA:4840394A1[P].1989-06-20.
5Tunstel E,Huntsberger T,Trebi-Ollennu A,et al.FIDO rover system enhancements for high-fidelity mission simulations[C]// 7th International Conference on Intelligent Autonomous System.Amsterdam,Netherlands:IOS Press,2001:349-356.
6Chen B C,Wang R B,Lu Y,et al.Design and simulation research on a new type of suspension for lunar rover[C]//IEEE International Conference on Computational Intelligence in Robotics and Automation.Piscataway,USA:IEEE,2007:173-177.
7Carnegie Mellon University Robotics Institute NREC.Crusher[EB/OL].[2012-02-09].http://www.rec.ri.cmu.edu/ projects/crusher/.
8Boston Dynamics.BigDog——The most advanced rough-terrain robot on Earth[EB/OL].[2011-03-10].http://www.bostondynamics.com/robot_bigdog.html.