A bipolar DC PWM reversible speed-adjusting system is constituted by 80c196 single chip computer for elevator door machine.
以80c196单片机为核心,构成双极式直流pwm电梯门机可逆调速系统。
On the basis of modern control theory, the quadratic performance index was selected to design SCR DC speed-adjusting system.
本文以现代控制理论为基础,选用二次型性能指标设计可控硅直流调速系统。
By using the fuzzy self-adaptation, this paper adjusts the rate and integral parameters of the speed-adjusting system of DC double closed-loop.
应用模糊自适应对直流双闭环调速系统中的转速调节器的比例、积分参数进行整定。
The advantages of employing torsion springs in place of the conventional outer and inner springs in the speed-adjusting system have also been shown.
文中还论述了在调速系统中采用扭簧代替现用的内、外弹簧所取得的效果。
The AC servo system of FANUC 11 series is a AC-DC-AC conversion frequency speed adjusting system, which use PWM as the speed-adjusting control method.
FANUC一11型交一直一交频调速系统,调速的控制方法为脉冲宽度调制(pwm)法。
With wide range speed-adjusting, which can match with each ironing machine.
运转速度调节范围大,能与各种相应的熨平机匹配。
Swirl pump is compact, light weighted and no speed-adjusting device needed, no friction except bearer, low noise, no water and no oil in the output air.
旋涡气泵结构紧凑,体积小,重量轻,不需变速装置,除轴承外其它部位没有直接接触磨擦,噪音低,送出的气源无水无油。
TPY3 series speed-adjusting system can realize closed loop control to speed of traction machine, the stability of line speed is increased, so production efficiency and product quality are improved.
用TPY3系列调速器对牵引机的速度进行闭环控制,提高线速度的稳定性,从而提高生产效率和产品质量。
The speed and accuracy are increased by improving the search strategy, adjusting the threshold of the video signal envelope and setting the corresponding transitive state.
通过改进搜索策略、调整视频包络信号的门限值和设置相应的过渡状态等方法,提高了自动磁迹跟踪的速度和准确性。
Adjusting the probability of acceptance could control the speed of chaos simulated annealing, and influence the rate of convergence.
接收概率衰减速度的调节可以控制混沌退火的速度,从而影响网络的收敛速度。
Micro motor adopted for electric control system adjusts speed by stepless speed adjusting mode to meet the requirements of various workpiece.
传送部分采用进口微型马达,用无级调速的方式调整速度,以适应不同工件的不同要求。
The application of programmable controller to 25MW turbine controlling. realizes automatic adjusting of speed and load of turbine.
将可编程控制器用于电站的25MW汽轮机的控制中,实现汽轮机的转速及负荷自动调节。
The hardening case depth and hardness curve can be changed by adjusting heating time, heating power and cooling speed during induction hardening.
在感应淬火中,通过改变加热时间、加热功率和冷却速度可以改变淬硬层深度和硬度梯度。
The analysis has showed that this kind of fuzzy controller with variable searching steps has better convergence character and its adjusting speed is quick.
分析表明,这种变步长搜索的模糊控制器收敛特性好,速度快。
By open sourcing the client, VMware allows partner companies to speed up the process of adjusting the client for their particular device.
通过开源客户端代码,VMware能让合作伙伴公司加快为特定设备调整客户端的过程。
The unit makes full use of MPU resources and FUZZY-PID algorithm, and it generates PWM pulse by automatically adjusting PID parameters in order to realize the speed control of the running-rigs.
该调速单元充分利用单片机的资源,采用FUZZY-PID算法,通过对PID参数的自动调整产生PWM信号,实现对跑步机速度的控制。
By adjusting the rotational speed of motor, it can control the pressure of fire fighting watering system automatically with PLC.
采用可编程控制器调节电机转速实现消防供水系统压力的自动控制。
By adjusting the screw speed of the twin-screw extruder, temperatures of different heating stages, the optimal processing conditions for grafting reactions are determined.
通过调整双螺杆挤出机的螺杆转速、不同加热段的温度,确定了接枝反应的最佳工艺条件。
The drive structure is simple, the speed adjusting is convenient, the knife withdrawing speed is fast, hand motion is not needed, and the knife withdrawing spring is not easy to be damaged.
它传动结构简单,调速方便;退刀速度快,不需手动,退刀弹簧不易损坏。
This paper introduces the connection of speed servo adjusting unit and the throttle, simplifies the control circuit of the manual throttle and offers two practical methods of speed testing.
介绍伺服调速及油门机构的连接,简化手油门控制电路,给出两种实用的测速方法;
The closed circuit control system with frequency conversion for adjusting speed controlled by industrial computer is introduced with its control function and realization.
文章介绍了一种由工业计算机控制的变频调速闭环控制系统,同时介绍了该系统的控制功能和电气实现。
The speed adjusting system with field weakening with voltage feedforward, current closed negative feedback and speed closed loop was designed by adopting digital signal processor (DSP).
采用数字信号处理器(DSP)控制器,设计了具有电压前馈和电流截止负反馈的转速闭环弱磁调速系统。
The speed adjusting system consisting of SCC, KB, LED display and speed coder is tested and excellent performance is achieved.
配以单片机、键盘、LED显示器及转速编码器,构成闭环调速系统。经过实际测试,取得了很好的效果。
And using the frequency variable adjusting speed technique to control the speed of benzole cooling pump automatically, to achieve the temperature stability of the benzole.
同时利用变频调速自动控制粗苯冷却泵的转速,实现粗苯温度的稳定。
Based on analysis of principle of AC motor speed adjusting through frequency converter, the system of AC motor speed remote regulation by means of MSP430 single-chip microcomputer is explained.
通过对交流电机调速以及变频器的原理分析,确定了利用单片机对交流电机实行遥控控制的方法。
Creating such a smooth passage means adjusting a vehicle's speed so that it always arrives at the lights when they are green.
创造畅通无阻的交通环境意味着必须对行驶车辆进行调速,这样车辆到达交叉路口时才会刚好遇到绿灯。
Special driving system, speed adjusting by frequency conversion.
专用驱动系统,变频调速。
BLDCM has the advantages of ac motor, such as simple structure, high running reliability, and has the features of DC motor, for example, the high efficiency, excellent adjusting speed characteristic.
直流无刷电动机既具有交流电动机的结构简单、运行可靠等一系列优点,又具备直流电动机的运行效率高、调速性能好等诸多特点。
Discuss in detail the torque characteristics of hoister double-fed cascade adjusting speed system and the designing calculation of starting torque of hoister shearing resistor.
文中详细论述了提升机双馈串调系统的转矩特性和提升机切电阻时启动力矩设计计算。
Discuss in detail the torque characteristics of hoister double-fed cascade adjusting speed system and the designing calculation of starting torque of hoister shearing resistor.
文中详细论述了提升机双馈串调系统的转矩特性和提升机切电阻时启动力矩设计计算。
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