利用该平台验证了提出的变负载直流电机双闭环调速系统的非线性状态空间模型及其参数辨识方法的有效性。

The platform verified that the proposed variable load DC Motor Speed Control System with nonlinear state space model and parameter identification method is effectiveness.

youdao

首先，通过特征线法和有限差分法得到了时间离散和空间离散的非线性状态方程。

First, the partial differential equations are transformed into discrete space, discrete time nonlinear difference equations through characteristic method and finite difference approach.

youdao