Method for planning and tracking local obstacle avoidance path of autonomous vehicle
An automatic driving and path tracking technology, applied in vehicle position/route/height control, non-electric variable control, two-dimensional position/course control, etc., can solve the problem of difficult ideal paths, real-time performance cannot be effectively guaranteed, and time-consuming and other issues to achieve the effect of ensuring traceability
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[0025] The following combination figure 1 And embodiment further illustrate the present invention.
[0026] First, the global reference path of the self-driving vehicle in the driving environment is obtained through GPS, and the local terrain and dynamic obstacle information of the vehicle can be obtained by the on-board sensor.
[0027] Then carry out environment modeling, and divide the surrounding local environment configuration space into obstacle configuration space and obstacle-free configuration space; at the same time, the irregular movement of dynamic obstacles in obstacle configuration space is given penalty The form is reflected in the calculation of the dynamic safety corridor range; then the established dynamic safety corridor range is used as the safety corridor boundary condition of the rapid search random tree algorithm RRT; the RRT algorithm is used to expand the constructed environment configuration space, and the vehicle The dynamic model is fused in the ex...
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