Browse Publications Technical Papers 2010-01-0717

A Simple and Robust Path Follower 2010-01-0717

A simple and robust path follower has been developed for use in road loads simulations as required for virtual evaluation of vehicle durability and strength. The path follower is described as simple because it has a single tunable parameter and minimal control logic. It is deemed robust because the same gain setting can be used over a wide range of terrains, paths, and speeds. Path following performance is successfully demonstrated with a multibody vehicle model of a generic heavy truck for a variety of terrains, paths, and speeds. The convergence to the desired path during parameter tuning is observed to be monotonic. A physical interpretation of the gain as a maximum centripetal acceleration further enables vehicles in the same or similar classes of mobility characteristics (all off-road trucks for example) to utilize the same gain value.


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