Low-orbit satellite deorbit control method and system based on particle swarm algorithm

US11787567B2 · kind B2 · utility

Assignee

• Space Engineering University · CN

Inventors

• Min Hu · Hangzhou City, CN
• Jiuyang Li · Beijing, CN
• Qiang Li · Beijing, CN
• Xuyu Wang · Beijing, CN
• Chaoming Yun · Beijing, CN
• Xueyang Zhang · Beijing, CN
• Tianyu SUN · Beijing, CN
• Qinglei Song · Beijing, CN

Key dates

• Filing date: Jun 30, 2021
• Grant date: Oct 17, 2023
• Expiry date: May 17, 2042

Classification

• Technology area (CPC G): Physics
• CPC primary: G06N3/08
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

The disclosure describes a low-orbit satellite deorbit control method and system based on a particle swarm algorithm. The method includes: constructing an objective function according to a position parameter and a perturbation acceleration of each of particles in a particle swarm as well as a preset Lagrangian multiplier and a penalty factor; determining an objective fitness of each particle and a population fitness of the particle swarm based on the objective function, updating the position parameter and the velocity of each particle, and obtaining a population optimal fitness at a maximum number of iterations; updating the Lagrangian multiplier and the penalty factor according to the population optimal fitness, comparing the objective deviation value with a preset convergence condition, and determining an objective population fitness and an objective position parameter according to a comparison result to obtain an objective deorbit mode.