Long Endurance and Long Distance Trajectory Optimization for Engineless UAV by Dynamic Soaring

The paper presents a comprehensive study on the performance of long endurance and long distance trajectory optimization of engineless UAV in dynamic soaring. A dynamic model of engineless UAV in gradient wind field is developed. Long endurance and long distance trajectory optimization problems are m...

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Bibliographic Details
Published in:Computer modeling in engineering & sciences 2015, Vol.106 (5), p.357-377
Main Authors: Zhu, B J, Hou, Z X, Wang, X Z, Chen, Q Y
Format: Article
Language:English
Subjects:
Boundary conditions
Durability
Dynamic models
Dynamics
Endurance
Flight
Mathematical models
Nonlinear control
Nonlinear equations
Optimal control
Optimization
Soaring
Trajectory optimization
Unmanned aerial vehicles
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Summary:The paper presents a comprehensive study on the performance of long endurance and long distance trajectory optimization of engineless UAV in dynamic soaring. A dynamic model of engineless UAV in gradient wind field is developed. Long endurance and long distance trajectory optimization problems are modelled by non-linear optimal control equations. Two different boundary conditions are considered and results are compared: (i) open long endurance pattern, (ii) closed long endurance pattern, (iii) open long distance pattern. In patterns of (i) and (ii), the UAV return to original position with the maximum flying time in pattern (ii) , and in patterns of (ii) and (iii), the maximum distance and minimum flying time occur in pattern (iii). The energy variations trends of three patterns have shown a fairly similar pattern. In the gradient wind field, long endurance and long distance are two independent flight patterns for engineless UAV by dynamic soaring.
ISSN:1526-1492
1526-1506
DOI:10.3970/cmes.2015.106.357