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自 动 控 制 原 理第 八 章 状 态 空 间 分 析 法故 得Y( s) = G ( s) E( s) = G ( s)[ U( s)- B( s)]0 0= G ( s )[ U ( s )- H ( s ) Y ( s)]0[ I + G ( s ) H ( s )] Y ( s ) =G ( s ) U ( s)0 0-1Y ( s ) = [ I +G 0 ( s ) H ( s )] G 0( s ) U ( s)则 得 闭 环 系 统 的 传 递 矩 阵 为Gs ( ) = [ I+G( sHs ) ( )] G( s)-10 0若 H(s) 为 单 位 矩 阵 , 即 H(s)=I, 则Gs I G s G s-1( ) = [ +0 ( )] 0( )

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