Lindstedt-Poincare Method (Lindstedt-Poincare Method)
Author: 天疆说
Reference: 钱霙婧(2014) "Research on Autonomous Navigation and Orbit Keeping of Spacecraft on Quasi-Periodic Orbits in Cislunar Space"
Website: https://cislunarspace.cn
Definition
The Lindstedt-Poincare method is a perturbation analysis method for solving periodic solutions of nonlinear vibration systems, independently proposed by Lindstedt (1883) and Poincare (1892). This method eliminates secular terms by introducing scaled time (stretched time), obtaining uniformly valid expansions of periodic solutions.
In libration point orbit research, the Lindstedt-Poincare method is used to derive analytical approximations of Halo orbits, Lissajous orbits, and Lyapunov orbits, providing high-quality initial guesses for numerical computation.
Method Principles
Difficulties with Traditional Perturbation Methods
For nonlinear vibration equations:
Traditional perturbation methods assume a solution of the form:
Substituting into the equation produces secular terms, i.e., terms that grow linearly with time, destroying the periodic solution assumption.
Core Idea of Lindstedt-Poincare Method
The Lindstedt-Poincare method eliminates secular terms through time scaling transformation:
Where is an undetermined amplitude-dependent frequency. Rewriting the equation in terms of and selecting an appropriate expansion for eliminates secular terms.
Algorithm Steps
- Scaled transformation: Let , replacing time variable with
- Frequency expansion: Expand frequency as
- Solution expansion: Expand solution as
- Solve order by order: Solve by orders of , selecting appropriate at each step to eliminate secular terms
Application in Libration Point Orbit Research
Analytical Solutions for Halo Orbits
Farquhar and Kamel (1973) used the Lindstedt-Poincare method to derive third-order and fourth-order approximate solutions for Halo orbits near the Earth-Moon L2 point.
Analytical Solutions for Lyapunov Orbits
Richardson (1980) derived analytical solutions for libration point Lyapunov orbits, widely used as initial guesses for Halo and Lissajous orbits.
Solution Accuracy
Analytical solutions from the Lindstedt-Poincare method have limited accuracy, typically used as initial guesses for numerical computation:
| Order | Accuracy | Applicable Scenario |
|---|---|---|
| First order | ~10⁻³ | Qualitative analysis |
| Second order | ~10⁻⁵ | Initial guess |
| Third order | ~10⁻⁷ | High-precision initial guess |
| Fourth order | ~10⁻⁹ | Refined initial guess |
Relationship with Multiple Shooting Method
The Lindstedt-Poincare method and multiple shooting method represent two levels of periodic orbit solving:
| Method | Type | Accuracy | Computational Efficiency |
|---|---|---|---|
| Lindstedt-Poincare | Analytical | Medium | High (closed-form solution) |
| Multiple Shooting | Numerical | High | Lower (requires iteration) |
Typical workflow:
- Use Lindstedt-Poincare method to obtain analytical solution as initial guess
- Use multiple shooting method for numerical refinement
Limitations
- Convergence: For large-amplitude orbits, higher-order terms may diverge
- Applicability: Mainly suitable for weakly nonlinear systems
- Computational complexity: Derivation of high-order expansions is tedious
Related Concepts
References
- Lindstedt A. Uber die Integration einer für die Storungstheorie wichtigen Differentialgleichung[J]. Astronomische Nachrichten, 1883.
- Farquhar R W, Kamel A A. Quasi-periodic orbits about the translunar libration point[J]. Celestial Mechanics, 1973.
- Richardson D L. A halo orbit solution[J]. Celestial Mechanics, 1980.
