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自 动 控 制 原 理第 七 章 采 样 数 据 控 制 系 统 分 析3. 如 图 又 一 种 形 式 闭 环 系 统 结 构 图 。r(t)e(t) d(t) d * (t)_ G 1 (s) G 2 (s)Tb * (t)H(s)TTc * (t)c(t)对 于 连 续 环 节 G 1 (s), 其 输 入 为 r(t)-b(t), 输出 为 d(t), ( )于 是 有Ds G1s⎡⎣Rs Bs( ) = ( ) ( ) − ( )⎤⎦( ) ( ) G ( s) B( s)= G s R s −1 1

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