In the first, with unit root test of non-stationary time series and the error correction model, we have established the error correction model to the multivariable second-order non-stationary time series.
结合非平稳时间序列单位根检验方法和误差修正模型机制,对多变量的二阶非平稳时间序列建立了误差修正模型。
Loading stage model can be simplified for second-order large inertial system, which respond slowly; During no-load phase, the system respond quickly, but with large steady-state error.
加载阶段模型可化简为大惯性二阶系统,系统响应缓慢;空载阶段,系统响应迅速,但存在较大的稳态误差。
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