This paper starts from the physical processes of cascade speed control system and derives several groups of elementary electromagnetic equation, dynamic block diagrams, and matrix equations.
本文从串级调速控制系统的物理过程出发，推求出几组基本的电磁方程、动态结构图及矩阵方程。
Besides, with the calculator the Riccati algebraic equation was solved to obtain the optimum control system.
并使用计算机来求解代数黎卡堤方程，以实现系统的最优控制系统。
Systematic management model is set up by time series analytic method based on water balance equation to control, predict and manage groundwater resources system.
以水均衡方程为基础，应用时间序列分析法，建立系统管理模型，对地下水资源系统进行系统运行控制、预测和管理。
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