The typical control methods for apf such as triangular wave modulate , hysteresis control and timing control , etc , these methods all have some demerits 而有源电力滤波器常用的控制方法为三角波调制、滞环控制和定时控制等常规的pwm控制法，这些方法均存在一定的不足。
It can create micro magnetic field . it combine computer proceeding frequency vibration massage and low frequency bioelectricity impulse treatment . easy to use . instruction manual included 4 .生物电脉冲模式和电脑频率振动状态的按摩时间分别设有定时控制键3分钟5分钟15分钟。
The paper focuses on charge control technology , for instance , battery temperature control , voltage control , tinier control , compositive control and otherwise . the compositive control technology is applied for charging battery in this paper 详细的论述了有关的充电控制技术，即电池温度控制、电压控制、定时控制及综合控制技术，设计中选用了综合控制技术，对电池进行充电。
Simulation on an isolated four - approach intersection with through and left - turning movements shows that the presented controller can acquire lower average vehicle delay than the fixed - time controller and the hierarchical fuzzy controller with steady membership functions under various traffic conditions 对一个具有直行和左转车流运动的四向交叉路口进行的仿真表明了该方法能比定时控制和隶属度函数固定的分级模糊控制取得更好的控制效果。
The use of mcu makes the induction cooker intelligence , mainly offers good man - machine interface , power automatic control and temperature automatic control , time control as well as various automatic detections alarm etc . this system covers many fields such as electronics , mechanicals , magnetic , algorithms etc . mcu program structure divides into two parts as main program and timer interrupt service program , after many times " testing and running , the program runs steadily and reliably 单片机的使用让电磁炉实现了智能化，主要包括提供良好的人机界面、功率自动控制、温度自动控制、定时控制以及各种自动检测报警等。该系统覆盖了电、机、磁、算等多个领域的知识。单片机程序结构分主程序和定时器中断服务程序两个部分，经过反复试验运行，程序运行稳定可靠。
The precise time integration method is applied to the numerical simulation of the transient response for continuous time - invariant control systems represented by state equations . a detailed algorithm is illustrated . the simulation example shows that the time integration results are nearly equal to the exact ones . this indicates that the algorithm is highly precise under a variable stepsize and suitable for control system numerical simulation 被誉为万能电路的" 555 "集成电路以独有的电路结构和控制特性,被广泛地应用在电子控制、信号检测、仪器仪表、家用电器、定时控制中,可构成"单稳态、脉宽调制,形波信号"等独立的单元电路.由于" 555 "集成电路在结构上是模拟- -数字电路的结合,在功能上又把模拟和数字兼容在一起,拓展了摸拟电路,延伸了数字电路
