Both calculations with variable parameter model and invariable parameter model are made and compared to field test data.

把变参数模型和定参数模型的计算结果与现场实测数据进行了比较。

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This paper analyses the relationship between income and consumption behavior by using variable parameter model based on the data from 1981-2000 of disposable income and consumption.

为此，特以实证数据为出发点：1981 ~ 2000年间城镇居民可支配收入与消费支出，用变参数模型去分析了收入与支出的关系及消费行为。

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Variable parameter PID control for the controlled object is designed by the method of segment linearization. Furthermore, T-S model based fuzzy PID control strategy is put forward.

通过分析被控对象的特性，采用分段线性化的方法设计变参数PID控制器，进而给出基于T-S模型的模糊PID控制策略；

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