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1. (WO2018203973) DETECTING AND FOLLOWING TERRAIN HEIGHT AUTONOMOUSLY ALONG A FLIGHT PATH

Pub. No.:    WO/2018/203973    International Application No.:    PCT/US2018/022452
Publication Date: Fri Nov 09 00:59:59 CET 2018 International Filing Date: Thu Mar 15 00:59:59 CET 2018
IPC: G05D 1/04
B64D 1/18
G01S 17/08
G01S 17/88
G05D 1/02
G05D 1/10
Applicants: EAVISION CORPORATION
Inventors: HAN-SHUE, Tan
JIHUA, Huang
Title: DETECTING AND FOLLOWING TERRAIN HEIGHT AUTONOMOUSLY ALONG A FLIGHT PATH
Abstract:
A distance from an aerial vehicle to a terrain feature located forward and lower with respect to the aerial vehicle is measured. A current orientation of the aerial vehicle with respect to a reference orientation is detected. At least the measured distance and the current orientation is utilized to determine a relative vertical difference between a vertical location of the aerial vehicle and a vertical location of the terrain feature is det. The determined vertical difference is utilized to automatically adjust a flight altitude of the aerial vehicle.