（ 1） 都是非数值型的非线性函数的逼近器、估计器、和动态系统； （2） 不需要数学模型进行描述，但都可用数学工具进行处理； （3）都适合于VLSI、光电器件等硬件实现

在讨论了状态方程的描述、标准形和模型转换后,本章将讨论线性多变量系统的运动 分析,即线性状态方程的求解。对于线性定常系统,为保证状态方程解的存在性和唯一 性,系统矩阵A和输入矩阵B中各元必须有界。一般来说,在实际工程中,这个条件是一 定满足的

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4.1 S7-200 PLC系统基本组成 4.2 S7-200 PLC的主要性能 4.3 S7-200 PLC的存储区域 4.4 S7-200 PLC的寻址方式

7.1 运算和数学指令 7.2传送、移位和填充指令 7.3表功能指令 7.4 转换指令 7.5中断 7.6 PID回路指令 7.7时钟指令 7.8高速处理类指令

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