Affiliation of Author(s):航天学院
Journal:Yuhang Xuebao
Abstract:An improved multiresolution-based approach is proposed to refine the mesh points in all the nonsmooth regions along the trajectory and avoid the omissions or failures of the mesh refinement that have been encountered for the existing multiresolution techniques. The method is designed by adding the mesh points from two higher resolution levels in each refinement iteration and introducing a mesh point checking algorithm. A generalized dyadic mesh is proposed so that the modified multiresolution technique can start with any uniform initial mesh with an odd number of the mesh points, thus overcoming the dyadic restrictions of the original multiresolution techniques. The effectiveness of the method is demonstrated on several examples and its performance is compared against other mesh refinement methods. In addition, the numerical results show that a fully refined mesh has little impact on the objective but it ensures that the path or terminal constraints are more accurately satisfied. © 2018, Editorial Dept. of JA. All right reserved.
ISSN No.:1000-1328
Translation or Not:no
Date of Publication:2018-06-28
Co-author:Hitboy
Correspondence Author:Zhao Jisong
Date of Publication:2018-06-28