【正文】
(2) Phase Margin 43? )()( ?? ssKsGR(s) C(s) Gc(s) G(s) Solutions: Step 1 of 6 ? Error Constant: ? the unpensated transfer function: 11 ???ssv eK)(20)()( ???? ssssKsG vStep 1 of 6 未校正系統(tǒng)的 Bode圖 101100101102 4 0 2 002040B o d e D i a g r a mwdBu n c o m p e n s a t e d m a g n i t u d ec o m p e n s a t e d m a g n i t u d e101100101102 1 8 0 1 6 0 1 4 0 1 2 0 1 0 0 8 0wdegu n c o m p e n s a t e d p h a s ec o m p e n s a t e d p h a s e?162)( ????sra dc /?? ???? 18)(180 ?? c??Phase Margin )(t a n90)()( 1 ???? ?????? ?jGStep 2 of 6 ? 為將系統(tǒng)的相角裕度提高到 43? ,我們需要為系統(tǒng)引入超前校正網(wǎng)絡(luò),所需的超前相角至少為: