控制电压和由恒流电源输出的电流之间的关系改变可能会产生漂移。
The relationship between the control voltage and the current output by the constant-current source may shift.
本文设计了基于DSP56F805，由速度和电流反馈控制回路构成的伺服系统实时仿真软件，并给出了其设计和编制过程。
This paper illustrates the emulation software architecture of the system based on DSP56F805. The design and implementation of the speed and current feedback loop are described in detail.
低频电磁场电流测控系统包括电流测试和输出控制两个部分，由软件和硬件相互配合组成一个完整的计算机控制系统。
The current measurement and control system in a Low-frequency Magnetic Field is a comprehensive system of hardware and software, including two parts: current measurement and computer control.
为配合仪器仪表电气安全标准的实施，介绍了一种符合IEC 61010标准由工控机控制的泄漏电流测试系统。
A leakage current testing system controlled by IPC according to the standard of IEC 61010 is introduced for the implementation of the electric safety standard.
卫星姿控飞轮是由三相轮流换向无刷直流电动机驱动的，采用力矩控制(电流反馈)模式。
Satellite attitude control flywheel is driven by three-phase alternate commutating brushless DC motor, schema of which is torque control model (current feedback).
提出了采用滑模变结构电流内环与由PI调节器和数字低通滤波器组成的电压外环相结合的控制系统，以实现高性能高速度的功率因数校正。
This PFC was realized by employing sliding-mode variable-structure inner current loop control and outer voltage loop PI control with digital low-pass filter to achieve high performance.
线圈回路中串接有由电容和电流放大器组成的控制电路。
A control circuit which is composed of a capacitor and a current amplifier is connected in a coil circuit in series.
介绍了一种由微机控制的对DL、DY-20c系列电流、电压电磁继电器动作时间及抖动时间自动检测的方法。
This paper introduced the method of the automatic measurement of DL (DY) - 20c series current (voltage) electromagnetic relay movement time and vibration time controlled by computer.
这里须滤去由电抗器相位控制引起的谐波电流以避免不能接受的输电母线电压畸变。
These may be required where harmonic currents caused by the thyristor phase control of the reactor current must be filtered to prevent unacceptable transmission bus voltage distortion.
控制器由内环和外环两部分组成，外环的输出信号作为内环所需的输入信号，内环产生一个同步驱动信号，实现对电流的快速控制。
The output signal of the outer loop ACTS as the input signal of the inner loop. The inner loop engenders a synchronism drive signal to control current.
触发电路板由两部分组成，第一（上半部分示意图）的触发和恒定电流LED驱动器和第二届（下半部分）的PWM电动机电流控制器。
The trigger PCB consists of two parts, first (upper half of the schematic) the trigger and constant-current LED drive and second (lower half) the PWM motor current controller.
系列的线性轴电机是一款无刷的，直驱动伺服电机，由磁轴和运动线圈组成，运动线圈控制电流量。
S series Linear Shaft Motor is a brushless direct drive tubular linear servomotor consisting of just a magnetic shaft and a moving coil assembly (forcer) which is controlled by the flow of current.
该机是由低压电流、单片机控制，良好的机械工艺相结合，使整个作业过程实现智能化。
The machine is the adopts low compressive stress electric current and singlechip to control hot-cement and folding, the whole process realizes intelligence.
以无功电流差补值作为控制参量，并以高次谐波电流作为谐振保护信号，由专家系统给出投切无功补偿电容的控制指令。
Then, adopting reactive current margin and harmonics as control and protection variable, an expert system was formed to control thyristor switched capacitor.
微波治疗仪中微波由磁控管产生，通过调节磁控管的工作电压和电流来控制微波的输出以及输出功率的大小。
Microwave is produced by magnetron in the microwave hyperthermia apparatus. The user can control the power output of microwave.
变换器中的电流大小和方向由相移脉宽调制方式控制。
The flow of current is controlled by phase shifted pulse width modulation.
实验结果表明：施加电场后的电流变液夹层圆柱壳体对处于中、高频率的声波没有明显的吸收和阻隔效果，但对于由声激励引起的结构振动有明显的控制作用。
The test results show that by adjusting applied electrical field strength, the properties of the ER material as well as the sandwich cylindrical shell can be changed.
因此，在一些特殊及精度要求不高的场合，由只根据采样电流、电压等易测量，通过特定方法估算转子位置和转速的无位置传感器控制策略将得到广泛应用。
Thus, sensorless control strategy which only according the sampling of the current and voltage to estimate the rotor position and speed by specific methods will be widely applied.
该仪器是根据电磁理论和力学平衡原理设计的，由定时器、电流调节器和电流表、控制电路及电磁夹具所组成。
Theinstrument is designed based on electromagnetic theory and principle of equilibrium in mechanics and composed of a timer, a current regulator and meter, control circuits and two-arm pinchers.
充放电的电流是由流入IIN端的电流来控制的，并由加到FADJ和DADJ上的电压调制。
The charging and discharging currents are controlled by the current flowing into IIN, and are modulated by the voltages applied to FADJ and DADJ.
已获专利的仿电流模式结构在不能由传统电流模式控制进行编址的低占空比应用下，提供了出色的负载瞬态响应。
The patented emulated-current-mode architecture provides superior load transient response in low duty cycle applications that are not addressable by traditional current mode control.
在电流回路方面，借由预测电感电流之变化以产生所需之控制力，使系统具有快速的动态响应。
In the current loop, a predicted current control method is proposed to ensure the system to achieve fast dynamic response.
本文以并联电流型有源滤波器的数学模型为基础，讨论了有源滤波器的控制方法。该方法由负载电流前馈、电源电流状态反馈和控制延迟补偿组成。
In this paper, the control method of the current-source active filter is discussed, which is made up of the state-feedback and delay compensation control.
主回路采用由18个晶闸管组成的三相零式电路，并辅以晶闸管的保护电路，通过控制可以得到低频正弦波的电压（电流）输出；
The main circuit is consisted of 18 thyristors circuit and protection circuit. With the help of control subsystem, it can get the output of low frequency voltage (current) with the shape of sine wave;
主回路采用由18个晶闸管组成的三相零式电路，并辅以晶闸管的保护电路，通过控制可以得到低频正弦波的电压（电流）输出；
The main circuit is consisted of 18 thyristors circuit and protection circuit. With the help of control subsystem, it can get the output of low frequency voltage (current) with the shape of sine wave;
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