Motion design and learning of autonomous robots based on primitives and heuristic cost-to-go

The task of trajectory design of autonomous vehicles is typically two-fold. First, it needs to take into account the intrinsic dynamics of the vehicle, which are sometimes termed local constraints. Second, on a higher level, the designed trajectories must allow the vehicle to achieve some application-specific task. The specification of the task results in the so-called global constraints. Both of these two components of trajectory design are generally nontrivial problems, and very often, they are pursued as two parallel areas. When the results drawn from the two areas are applied in conjunction, the synthesis is usually somewhat arbitrary. In this paper, we assume that some optimal control laws are available as a set of motion primitives to address the vehicle dynamics. The trajectories that achieve the task are determined solely through the primitives and do not reference the vehicle dynamics directly. For the higher level, we translate the task into a very special type of cost-to-go...

• Type: Journal
• Year: 2008
• Where: RAS
• Authors: Keyong Li, Raffaello D'Andrea
• Keywords: RAS 2008, So-called Global Constraints, Trajectory Design, Vehicle