定性地分析了在异步电动机间接磁场定向控制中,电机时间常数失配度对异步电动机稳定性的影响。
The influence of the motor time constant mismatch on the stability of induction motors under indirect field-oriented control is analyzed.
利用光学温度控制器使测量硅的峰高信号增强一倍,试验了时间常数、载气流量、常用酸和盐对测硅灵敏度的影响;
Using the optical temperature control accessory, silica peak height signal was enhanced doubly, reducing atomization time, extending useful time of graphite tube.
结果表明,被略去的小惯性时间常数对最优励磁控制的微动态稳定鲁棒性有较大的影响。
The results show that the small inertia time constants neglected have a greater effect on the micro-dynamic robust stability of the optimal excitation regulator.
该控制器是在典型推断控制的基础上进行简化和改进,并用模糊逻辑和推理来自适应地调节控制器的滤波器时间常数。
The controller is derived from the simplification and improvement of the typical inferential controller, and in which fuzzy logic and inference are used to adjust its filter time constant adaptively.
由于单周控制单元中的积分器需采用模拟电路实现,模拟电路积分时间常数易受电路参数的变化而变化。
But one cycle controller is usually realized by analog circuit and the parameter is easy to vary with the environment, so the integration time constant will vary at the same time.
结果表明,总和时间常数法整定系统简便易行,控制质量好,能够满足工程要求,有推广价值。
Result shows that the approach is simple and convenient, there is a good quality in the control system. The approach can meet the engineering, requirements and is worth spreading.
叙述了在自动控制、仪器仪表、信号变换以及传感器信号采集与处理等电路中实现大时间常数的一种新方法。
This paper introduces a new method for implementing the long time constant in the circuits of automation, apparatus, signal conversion, collecting and processing of sensor's signal, etc.
该控制器是在典型推断控制的基础上进行简化和改进,并用模糊逻辑和推理来自适应地调节控制器的滤波器时间常数。
The internal model control(IMC)was improved by using fuzzy control to adjust filter time constant of IMC, and it was applied in boiler combustion system.
驱动堆控制回路具有小的时间常数和超调量,调整时间短,控制特性亦优于临界堆。
The control loop of reactor driven by accelerator has a little time constant, a little overshoot, and short regulating time, its control characteristics also are better than critical reactor's.
在转子磁场定向异步电机矢量控制系统中,正确的转子时间常数是高性能矢量控制系统的关键。
In rotor flux orientation control, rotor time constant T2 is a key issue of high performance vector control technology.
控制器具有强鲁棒性,在电机对象参数(如转动惯量、电磁时间常数等)大范围变化时,仍然保持良好的控制性能。
The controller has strong robustness on condition that the parameters of motor plant such as R, Cm, CD2 change.
控制器具有强鲁棒性,在电机对象参数(如转动惯量、电磁时间常数等)大范围变化时,仍然保持良好的控制性能。
The controller has strong robustness on condition that the parameters of motor plant such as R, Cm, CD2 change.
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