本文解决了参数未知、具有非结构性未建模误差和有界恒定扰动的一类线性连续系统的自适应控制问题。

This paper proposes a robust adaptive pole placement control scheme for continuous time systems with bounded disturbances and unmodeled dynamics.

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提出未扰动系统出现多重周期解的条件，并给出了一些特殊方程零解的具体重数作为应用；

First, some conditions for the existence of a multiple periodic solutions are given and the multiplicity problem for zero solution of some concrete equations is investigated as applications.

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第二节研究了未扰动系统的定性性质并给出了所有相轨道的参数表示。

In section 2, we study the qualitative property and give all parametric representations of phase orbits for the unperturbed system.

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