| 零点位于左扇区的多项式菱形族 |
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| 引用本文： | 郭 磊,赵克友. 零点位于左扇区的多项式菱形族[J]. 控制理论与应用, 1993, 10(4): 479-483 |
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| 作者姓名： | 郭 磊 赵克友 |
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| 作者单位： | 青岛大学应用数学系，青岛大学电气工程系 青岛 266071，青岛 266071 |
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| 摘 要： | 本文考虑多项式菱形族的左扇区稳定性,证明了多项式族左扇区稳定的充分必要条件是的至多4q(q—1)条特殊棱边左扇区稳定;进一步,在一定条件下,只要检验的4q个顶点多项式就可确定的左扇区稳定性。
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| 关 键 词： | 多项式 稳定性 鲁棒性 菱形族 |
| 收稿时间： | 1992-03-07 |
| 修稿时间： | 1992-09-02 |
Diamond Families of Polynomials with Zeroes in the Left Sector |
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| GUO Lei,ZHAO Keyou. Diamond Families of Polynomials with Zeroes in the Left Sector[J]. Control Theory & Applications, 1993, 10(4): 479-483 |
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| Authors: | GUO Lei ZHAO Keyou |
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| Affiliation: | Department of Applied Mathematics, Qingdao University |
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| Abstract: | The paper considers D(?) stability of (?) where D(?) is a left sector in the complex plane and (?) a diamond of perturbed polynomials. The paper shows that in order to check D(?)-stability of (?), it suffices to check the 4q(q-1) specific edges of (?). Furthermore, under the mild conditions, it suffices to check the 4q specific verticesof (?). |
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| Keywords: | polynomials stability robustness |
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