TY - RPRT TI - Combined Bernstein Polynomial, Optimal Reciprocal Collision Avoidance, Differential Dynamic Programming for Trajectory Replanning and Collision Avoidance for UAM Vehicles AU - Matthew D Houghton AU - Michael J Acheson AU - Andrew Patterson AU - Alex Oshin AU - Irene Gregory UR - https://ntrs.nasa.gov/citations/20220018471 ID - 20220018471 ER -