Aircraft three-dimensional hardconstrained trajectory planning using pseudospectral optimization method

IF 0.9 Q3 ENGINEERING, AEROSPACE Journal of Aerospace Technology and Management Pub Date : 2021-01-01 DOI:10.1590/jatm.v13.1170
A. Babaei, H. Maghsoudi
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引用次数: 1

Abstract

This paper is concerned with the three-dimensional constrained optimal path planning. To this end, an objective function is defined as the shortest trajectory length in such a way that some constraints including rough terrain avoidance, forbidden zone avoidance, initial and terminal constraints, allowable altitude constraint and maximum allowable curvature of trajectory are satisfied. These leads to a challenging problem for aircraft guidance and control that solution requires great experience, skill, accuracy, and a powerful strategy. For this purpose, pseudospectral technique, which is one of the direct methods, is applied in this paper based on the Chebyshev nodes through which the complexity of the problem is reduced by transforming the optimal control problem into the parametric optimization one. The efficacy of the proposed method is demonstrated by extensive simulations, and it is particularly verified that this method is able to produce a solution satisfying all hard constraints of the underlying problem.
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基于伪谱优化方法的飞机三维硬约束轨迹规划
本文研究三维约束最优路径规划问题。为此,将目标函数定义为最短轨迹长度,从而满足规避粗糙地形、规避禁区、初始约束和末端约束、允许高度约束和轨迹最大允许曲率等约束。这些导致了飞机制导和控制的一个具有挑战性的问题,解决方案需要丰富的经验,技能,准确性和强大的策略。为此,本文采用了一种基于切比雪夫节点的直接方法——伪谱技术,将最优控制问题转化为参数优化问题,降低了问题的复杂性。大量的仿真证明了该方法的有效性,并特别验证了该方法能够产生满足底层问题所有硬约束的解。
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来源期刊
CiteScore
2.00
自引率
0.00%
发文量
16
审稿时长
20 weeks
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