[1] BEKKER M G.Introduction to terrain-vehicle systems[M].Ann Arbor,Michigan,USA:The University of Michigan Press,1969. [2] WONG J Y,REECE A R.Prediction of rigid wheel performance based on analysis of soil-wheel stresses,part I:Performance of driven rigid wheels[J].Journal of Terramechanics,1967,4(1):81-98. [3] HOEPFLINGER M A,REMY C D,HUTTER M,et al.Haptic terrain classification for legged robots[C]//IEEEInternational Conference on Robotics and Automation,Anchorage,Alaska,USA,May 3-7,2010. [4] DING L,GAO H B,DENG Z Q,et al.Foot-terrain interaction mechanics for legged robots:Modeling and experimental validation[J].International Journal of Robotics Research,2013,32(13):1585-1606. [5] 宋建虎.基于足-地作用建模的六足机器人动力学仿真研究[D].哈尔滨:哈尔滨工业大学,2012.SONG Jianhu.Dynamic simulation for hexapod robot based on modeling of foot-terrain interaction[D].Harbin:Harbin Institute of Technology,2012. [6] GAO H B,JIN M,DING L,et al.A real-time,high fidelity dynamic simulation platform for hexapod robots on soft terrain[J].Simulation Modelling Practice and Theory,2016,68(8):125-145. [7] TERZAGHI K,PECK R B,MESRI G.Soil mechanics in engineering practice[M].Manhattan:John Wiley & Sons,1996. [8] YANG C X,DING L,TANG D W,et al.Analysis of the normal bearing capacity of the terrain in case of foot-terrain interaction based on Terzaghi theory[C]//IEEE International Conference on Robotics and Biomimetics,Qingdao,China,December 3-7,2016. [9] MALADEN R D,YANG D,CHEN L,et al.Undulatory swimming in sand:Subsurface locomotion of the sandfish lizard[J].Science,2009,325(5938):314-318. [10] LI C,ZHANG T,GOLDMAN D I.A terradynamics of legged locomotion on granular media[J].Science,2013,339(6126),1408-1412. [11] YEOMANS B,SAAJ C M,VAN WINNENDAEL M.Walking planetary rovers-experimental analysis and modelling of leg thrust in loose granular soils[J].Journal of Terramechanics,2013,50(2):107-120. [12] YEOMANS B,SAAJ C M.Towards terrain interaction prediction for bioinspired planetary exploration rovers[J].Bioinspiration & Biomimetics,2014,9(1):016009. [13] BRZINSKI T A,MAYOR P,DURIAN D J.Depthdependent resistance of granular media to vertical penetration[J].Physical Review Letters,2013,111(16):168002. [14] KANG W,FENG Y,LIU C,et al.Archimedes law explains penetration of solids into granular media[J].Nature Communications,2018,9(1):1101. [15] PANG J S,TRINKLE J C.Complementarity formulations and existence of solutions of dynamic multi-rigid-body contact problems with coulomb friction[J].Mathematical Programming,1996,73(2):199-226. [16] IAGNEMMA K,KANG S,SHIBLY H,et al.Online terrain parameter estimation for wheeled mobile robots with application to planetary rovers[J].IEEE Transactions on Robotics,2004,20(5):921-927. |