NDLI: Obstacle avoidance trajectory optimization of hypersonic vehicle

Content Provider	IEEE Xplore Digital Library
Author	Guangren Duan Yong Sun Maorui Zhang Ze Zhang
Copyright Year	2011
Description	Author affiliation: Faculty of Center for Control Theory and Guidance Technology, Harbin Institute of Technology, Harbin, China (Guangren Duan; Yong Sun; Maorui Zhang; Ze Zhang)
Abstract	To avoid the obstacle region, the trajectory of the hypersonic vehicle is optimized based on the control parametrization and the noncontinuous constraints transformation. The fly environment of the hypersonic vehicle is very severe and there is much disturbance and uncertainty, which results in a troublesome task to plan the trajectory especially with obstacle. The aim is to design an optimal obstacle avoidance trajectory to maximize the range under the heating rate, dynamic pressure and overload constraints for a fixed fuel consumption. Because the obstacle constraints are noncontinuous constraints, it is difficult to obtain its gradient. Based on the constraint transformation the noncontinuous constraints are changed into the canonical constraint equally. The time axis is divided into some segments with different lengths, which increase the optimization freedom and get the better results than that of the method with equal segments. The proposed method is compared with the conventional method by numerical simulations and the proposed method has the better results than that of the conventional one.
Starting Page	1351
Ending Page	1356
File Size	267291
Page Count	6
File Format	PDF
ISBN	9781424487370
e-ISBN	9781424487387
DOI	10.1109/CCDC.2011.5968400
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-23
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Control Parametrization Heating Optimal control Aerodynamics Trajectory Obstacle Avoidance Collision avoidance Optimization Cruising Trajectory Optimization Vehicles Noncontinuous Constraint
Content Type	Text
Resource Type	Article

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