The air heater is connected with a controlling switch and a program-controlled computer board respectively by conductors. 热风机通过导线分别与控制开关和程序控制电脑板相连接。
The controlling switch is arranged on the outer surface of the casing body where the operation is convenient. 所述的控制开关设置在方便操作的壳体外表面上。
A connecting line to the basic apparatus and corresponding terminals for controlling the switch SW are advantageously obviated as a result. 结果,较佳地免除了连接基本装置和对应端子的用于控制开关(SW)的连接线。
One-cycle control method is a nonlinear control method. By controlling the switch duty-ratio, it can make the average value of a switched variable equal to or proportional to the control reference in each cycle, so the stationary and transient errors are eliminated. 单周控制法是一种非线性控制法,它通过控制开关占空比,使在每个周期内开关变量的平均值与控制参考信号相等或成一定比例,从而消除稳态和瞬态误差。
This paper explained the basic principle and the structure of the controlling circuit of the switch stable power, and provided the test result. 阐述了设计开关型稳压电源的控制电路基本原理和电路结构,并提供了测示结果。
It also discusses detailedly about the main parts namely as the control circuit and the control panel, and elucidates exactly the control principle of the controlling module, the switch between audio and video module, and the control panel module. 具体分析了主控制模块、音视频切换模块和控制面板的设计原理,对其中部分电路提出了多种实现方法。
Furthermore, the degenerate four wave mixing of microwave in cavity are discussed. The conjugate reflecting wave are obtained, and the reflecting microwave controlled by the pumping wave, which can be used to make a new microwave controlling switch. 进一步,讨论了腔内微波的简并四波混频,得到了相应入射微波信号的反射共轭波,该波受泵浦波的控制,由此可以制成一类微波控开关。
The performance of the electric vehicle is improved greatly in which the harmonic wave of output voltage, power loss and torque pulsation of the system are decreased by controlling the switch angles. 它运用规则采样法产生正弦脉宽调制波,通过开关角的控制抑制逆变器输出电压中的谐波分量,降低了电动机的损耗和转矩脉动,使电动车的运行性能得到了较大改善。
On the basis of the single-chip micro-controller, press buttons and sensors, the controlling switch circuit, auto-protecting circuit and alarming circuit are designed. 设计出用单片微控制器配以人工控制按键、各种检测元件,LED显示管构成的开关电路、故障自动保护和报警指示电路。
Based on the technique of PWM rectifier, the DC voltage of the inverter was adjusted by controlling the switch order of the switching elements. 基于PWM整流技术,并通过控制逆变器开关的导通顺序调节逆变器直流侧的电容电压。
It makes programming and controlling can switch between foreground and background to adopt the multitask operating system Windows. 此外,系统采用多任务的Windows操作系统作为系统平台,加工控制和编程可以在前后台互相切换,并采用动态图形显示方法对加工过程进行跟踪。
An System of PLC Timing Controlling Switch Variables 多路开关量的PLC定时控制系统
, is developed. Through the analyzing of DVD smooth control and optimize control arithmetic, the DVD focus servo control completes the focus coil's accurately controlling, layer switch controlling, signals error detecting and focus faults detecting and other functions. 通过分析研究DVD顺利控制的框架和控制器的优化算法,实现聚焦线圈的精确聚焦控制、层面的切换控制、信号错误的检测和聚焦缺陷的检测等功能。
High power factor at AC input can be achieved by controlling the switch of capacitor charge circuit. 通过对电容器充电回路开关管进行控制,实现交流输入端的高功率因数。
The ultra-fast electric pulse with certain voltage amplitude can be obtained by controlling switch trigger condition and optimizing switch design. 通过合理选择触发条件和优化设计开关可以获得一定幅值大小的超快电脉冲。
Long-distance controlling model can switch the method of image processing automatically by choosing type. 远程选型控制模块可通过选择某种规格玻壳,实现远程控制图像处理模块的自动切换。
It is shown that PLC has better performance in managing and controlling for great switch amount, improving the control system reliability for platform booms. 充分说明PLC在大规模开关量的管理和控制、提高产品的可靠性等方面具有极好的性能和优势。
An improved fire detecting and controlling switch algorithm and a kind of characteristics fusion algorithm are proposed to make the detecting of fire more reliable and effective. 据此提出改进的火灾监控开关算法和特征融合算法,使火灾的识别更可靠和高效。
Optical switch is a key part of the fiber loop transmission experiment platform, we can transmit the optical signal in the fiber optical loop by controlling the optical switch. 光开关是光纤环路传输实验平台的是关键的光器件,通过对实验平台中的光开关进行时序控制来达到光信号传输的目的。
They have increased the understanding of the mechanisms controlling the switch and progression of the microspore embryogenesis, which could help to improve its efficiency and to direct strategies. 6. 这增强对控制小孢子胚胎发生方向和进程的机理的理解,有助于改进功效和采取直接的策略。
Using universal PWM method means to control output power and output characteristic through controlling IGBT switch on time. 控制电路采用脉宽调制方式(PWM)进行输出控制,即控制IGBT的导通时间来实现输出功率与输出特性的控制。
Second the client application program realizes intelligent controlling to serial port: the audio detection method can identify whether the audio signal existed or not and then according to the result transmit VHF signals by computer serial port for controlling the PTT ( switch) of interphone. 客户端程序实现对串口的智能控制:所设计的语音检测方法,能够识别音频信号有无,并且向计算机串口发送VHF操作信号,以控制对讲机PTT键按下或放开状态。
The computer connects with the radial signal controlling switch and the electric counter through IEEE-488 interface. 计算机通过IEEE-488接口和射频测控开关、电子计数器连接。
Finally, by means of controlling the switch mode of inverter, it makes DC power work at the motor in SVPWM modulation method, and then it uses eight kinds of voltage space vectors at rest to compose the circumrotatory voltage space vector. 最后,阐述了通过控制逆变器的开关模式,以静止的八种电压空间矢量来合成旋转的电压空间矢量方法。
So an improved source degeneration transconductor is presented in this thesis. Several resistance and current, which can be changed by controlling switch, are employed to accurately tune the value of transconductor in large range. 因此本文在采用源级负反馈电阻的跨导器的基础上进行了改进。这种改进的跨导器可以通过控制开关改变电阻和电流的值进而精确大范围的调谐跨导值。
In these equipments, the IPC is used as the host for the data processing, algorithms processing, human computer interface ( HCI). And the singlechip is used as motor controlling and switch signal controlling part. 这种设备采用上下位机的体系结构,工控机作为上位机负责数据采集、算法处理、人机交互,下位机一般采用8位单片机,主要负责电机驱动、开关信号的控制。
The current distribution on the patch of the reconfigurable antenna is changed by controlling the switch states to change the characteristics parameters, without altering the basic structure of antennas. 可重构天线在不改变天线基本结构的前提下,通过开关的切换来改变电流分布,从而改变天线的特性参数。
Network construction tests of the designed system are performed in a typical three bedroom apartment. Results indicate that the smart controlling of switch groups can be realized by the main controller, and most other functions have been achieved. 将设计的系统布置在一个典型的三室一厅居室内进行了布网测试,测试结果表明主控制端能对开关(组)进行智能控制,大多数功能得到了实现。