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中文摘要：
有 v/f 控制信号的永久磁铁的同步马达(PMSM ) 的非线性的动力学强烈地被调查。首先， equilibria 和系统的不变的特征被分析分析提出。然后，一些它的基本动态性质 Lyapunov 代表和阶段轨道例如典型特征值，被改变系统参数的值学习。当系统参数的值更小时， PMSM 在稳定的域操作，这被发现，不管控制获得的值是什么。与参数增加的价值， unstability 出现， PMSM 掉进混乱操作。而且，复杂动态行为借助于模拟被验证。
英文摘要：
The nonlinear dynamics of permanent-magnet synchronous motor （PMSM） with v/f control signals is investigated intensively. First, the equilibria and steady-state characteristics of the system are formulated by analytical analysis. Then, some of its basic dynamical properties, such as characteristic eigenvalues, Lyapunov exponents and phase trajectories are studied by varying the values of system parameters. It is found that when the values of the system parameters are smaller, the PMSM operates in stable domains, no matter what the values of control gains are. With the values of parameters increasing, the unstability appears and PMSM falls into chaotic operation. Furthermore, the complex dynamic behaviors are verified by means of simulation.
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