Cross-terrain scenarios are common in human activities and production.The ongoing development of cross-terrain equipment characterized by high mobility,low power consumption,and safety is crucial.Such equipment enables human to access inaccessible areas,particularly in emergency rescue and military operations.This paper aims to establish a new technical scientific discipline.It introduces cross-terrain science and defines it.The paper methodically addresses major scientific and technological challenges in four areas of cross-terrain science:surface soil mechanics and adhesion,driving device design theory and method,cross-terrain driving dynamics and control,and ergonomics and biomimetics of cross-terrain machines.Additionally,it recommends priorities for future research and development in cross-terrain technologies and equipment.
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