动态规划在最优控制程序设计中的应用实例

N. Kállay
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引用次数: 3

摘要

本文提出了一种将动态规划技术应用于最优控制程序设计的方法。将该方法应用于卫星电站最优启动顺序的确定问题,给出了逐步的描述。在本例中,最优性准则是在轨道上启动发电厂所需的辅助能量量。根据电厂相关变量定义相空间;然后将该问题视为一个N阶段决策问题,该决策问题包括选择一系列相空间点,使所跟踪的从代表工厂初始状态的点到代表最终运行状态的点之间的路径满足最优性准则。在附录中描述的数字代码的帮助下进行了数值计算。这一参数化研究的结果表明,可能节省高达25%的能源。从某种意义上说,这篇论文是独立的,读者几乎不需要接触反应堆技术或动态规划。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An example of the application of dynamic programming to the design of optimal control programs
The paper suggests a method for applying dynamic programming techniques to the design of optimal control programs. A step-by-step description of the method is given as it was applied to the problem of determining an optimal startup sequence for a satellite power plant. In the present case the criterion of optimality is the amount of auxiliary energy required for the startup of the power plant in orbit. A phase space is defined in terms of pertinent power plant variables; the solution is then obtained by treating the problem as aa N -stage decision problem consisting of selecting a sequence of phase space points such that the path so traced between the point representing the initial state of the plant and the point representing the final, operating state satisfies the criterion of optimality. Numerical calculations were performed with the aid of the digital code described in the Appendix. The results of this parametric study indicate possible energy savings up to 25 per cent. The paper is self-contained in the sense that very little if any contact with reactor technology or dynamic programming is required by the reader.
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