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自 动 控 制 原 理第 三 章 时 域 分 析 法所 以1 G ( s) G( s)E s R s R s1 Gs ( )r( ) ( ) ( ) G( s) G ( s) G( s) 1 Gs ( ) 1 G( s) G( s) Gr( s) G( s)1 Gs ( )为 使 E(s)=0, 应 保 证得 到r1 Rs ( )1 G ( s) G( s) 0r1Gr() s Gs ()Rs( )

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