| 1. | The static characteristic of control force takes the key - role in the nonlinear system ' s control 非线性环节不再像往常那样对误差信号起作用,而是针对控制作用。 |
| 2. | The results are satisfied . at the same time , the results of matlab simulation of industrial constant temperature objects are satisfied 使用matlab针对具有大延迟和非线性环节被控对象进行计算机仿真,并与常规pid调节器比较控制效果。 |
| 3. | The linear dynamic subsystem and nonlinear static subsystem of hammerstein model are obtained after the identification , thus the nonlinear dynamic system is affirmed 辨识后得到hammerstein模型的动态线性环节和静态非线性环节,确定了系统的动态非线性。 |
| 4. | There are many nonlinear systems with their characters slow time varying in control domain . those with intrinsical nonlinear portions are even much more hard to control successfully 在控制领域中,存在着大量的非线性慢时变系统,其中的带有本质非线性环节的系统尤其难以得到好的控制效果。 |
| 5. | This thesis carries out studies around the parameter identification of excitation system and carries out parameter identification of liner circle and nonparametric identification of nonlinear circle 本文围绕励磁系统参数辨识这一题目进行研究,进行了励磁系统线性环节和非线性环节的参数型或非参数型的辨识。 |
| 6. | The trials of some nonmonotonic nonlinear system identification using genetic programming are made under the assumption that neither the structure nor the parameters are known . first , it is carried out under the condition that the parameters are constant 在假定该对象的结构及参数未知的条件下,首先对该非线性反馈部分参数恒定的情况进行辨识,其次试验了非线性环节参数变化情况下的辨识。 |
| 7. | Subsequently , the nonlinear model is locally linearized about equilibrium point , thus , the linear model is obtained . with this model , the performance of standard efci algorithm is evaluated and the conclusion is that oscillations are caused by the nonlinear component existed in efci algorithm 在标准的efci算法的稳定性分析中,发现了系统振荡的本质原因在于系统中存在非线性环节,进而提出了对efci算法的改进,有效克服了系统振荡。 |
| 8. | Aiming at the non - linear links such as time lag , inertia , dead time and saturation within the turbine regulating system , a fuzzy - immune - pid control system was designed based on a mutative scale chaos optimization method , the principium of immune feedback system and the theory of fuzzy control 摘要针对汽轮机调速系统中存在的时滞、惯性、死区和饱和等非线性环节,采用模糊控制理论,结合免疫反馈机理,设计了基于变尺度混沌优化策略的模糊免疫pid控制系统。 |
| 9. | Because electro - hydraulic servo system has lag circle 、 dead zone 、 nonlinear tache , and difficult to ascertain the precise mathematic model , fuzzy control test system was designed to overcome the system disadvantage , the design method of fuzzy cotroller and the implementation of computer fuzzy control software were all proposed 摘要针对电液伺服系统中往往存在死区、滞环等非线性环节,很难建立精确的数学模型等特点,设计了一个模糊控制测试系统,克服了系统的缺点,给出了模糊控制器的设计方法和计算机模糊控制软件实现方案。 |
| 10. | Stability for a class of nonlinear feedback system is studied in this paper . thus some sufficient and necessary conditions are given . these results are suitable for both time - invariant and time - varying systems . as an application , the general time - varying lur e problem is studied too . then the time - varying circle criterion in the siso case is given . at the same time , in the mimo case , a stability criterion is given , which doesn t need the decoupling conditions -稳定性问题,给出了其稳性分析准则和一些必要条件,这些结果适用于时不变与时变系统。其次,利用已有的结果,研究了非线性环节具有扇区特性的稳定性问题。在单输入单输出siso的情况下,给出了时变系统的圆判据。 |