Nonlinear observers are designed for a class of systems where the nonlinearity of the observererror systems satisfies the general sector condition.
研究了一类非线性系统的观测器设计方法，其中假定观测误差系统中的非线性部分满足一般的扇区条件。
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The deconvolution filter is made up of an output observer and a linear mapping, where the latter reflects the internal connection between the unknown input signals and the output estimate error.
This paper realizes disturbance de-coupled with model error and system uncertainty by using a combination of full-order nonlinear unknown input observer and fault detection filter.