English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Re-entry trajectory optimization is a key step in the scheme planning of the hypersonic gliding vehicle. The problem of multi-objective re-entry trajectory optimization is usually solved by the weighted summary method (WSM). However, it is difficult to obtain the non-convex Pareto noninferior solution. To overcome this problem, the trajectory optimization is established with the physical programming (PP) method, which is capable to obtain solution with less computational intensity and reflect the designer’s preference. Taking a hypersonic gliding vehicle as a numerical example, the numerical simulation considers five objectives: maximum terminal velocity, maximum range, minimum peak value of heating rate, and minimum oscillation. In addition, Gauss pseudo spectral method can accurately satisfy variable constraints. Performance of PP-based re-entry trajectory optimization is demonstrated in 3-D nonlinear dynamics scenario. The numerical simulation results show that it can easily realize and improved the performance of the hypersonic gliding vehicle. The research has certain engineering application value.

Multi-Objective Re-entry Trajectory Optimization based on the Physical Programming Method for Hypersonic Gliding Vehicle