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。
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。
The invention has the advantages of compact structure, stable transmission, convenient control, good speed-adjusting performance, quick response speed, and the like.
本发明的优点在于结构紧凑，传动稳定，控制方便，调速性能号，响应速度快等。
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。
If you're in a racecar, top speed is important, but even more important is the driver's skill at adjusting speeds to make careful turns.
如果你是在赛车，速度很重要，但最重要的是你调整速度的能力，只有这样你才能安全地转弯。
Creating such a smooth passage means adjusting a vehicle’s speed so that it always arrives at the lights when they are green.
构建这一顺畅的道路，意味着需要调节车速，以便它永远能在绿灯的时候到达路口。
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。
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。
Utilizing speed adjusting function of the frequency converter, the system has high operation efficiency and less time to adjustability.
采用变频调速器，系统调节的操作效率更高、响应时间更短。
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 practices show that it achieves the goal of raising performance and saving energy by applying variable frequency speed adjusting. The economic and comprehensive benefits are noticeable.
实践表明，收尘排风机控制系统采用变频调速后，达到了提高系统性能和节能的目的，其经济效益和综合效益显著。
This paper studies a DC double closed loop digital PWM speed adjusting system controlled by 8098 single chip computer to explore the feasibility for the middle or small power motors.
对8098单片机控制的全数字直流双闭环pwm调速系统进行了研究，探讨了该系统在中小型功率直流电机上应有的可行性。
Furthermore, different polygonal flux linkage locus's fluent switching point is also found, which overcomes the motor 'switching failure and improves the speed adjusting dynamic performance.
并找出了不同磁链轨迹间的平滑切换点，解决了切换时的电动机失步问题，提高了系统转速调节的动态性能。
In high precision variable frequency speed adjusting system, system's performances are guaranteed by accurate motor parameters.
在高精度变频调速系统中，准确的电动机参数是系统性能的保证。
This paper introduces the vector control strategy, and puts forward an alternative current speed adjusting system with vector control based on TMS320LF2407.
介绍了交流电机矢量控制策略，提出了一种基于TMS320 LF 2407的矢量控制交流调速系统。
The controller of the DC motor speed adjusting system is developed, which is based on ITAE optimum control theory combined with PI control.
提出了一种用于直流电机调速系统的控制器设计方法，该方法主要基于ITAE最优控制理论，并结合PI控制。
How to use PLC in speed adjusting water supply control system to solve the problem of water supply in a pile is researched.
研究了可编程控制器PLC如何用于调速供水控制系统，以解决高层建筑供水问题。
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 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。
The parameter test of DC speed adjusting device is the prime method for ensuring the product quality and reducing breakdown ratio.
直流调速装置的参数测试是保证产品质量、降低故障率的根本措施。
THE device of EUROTHERN 590 DC speed adjusting with its parameter setting, internal system configuration is introduced in detail in this paper.
本文重点介绍了欧陆590直流调速装置和参数设置、内部系统组态以及如何用欧陆590设计组成造纸机分部传动系统。
Experimental results show that the system are reasonable designed and can achieve good speed adjusting performance.
试验结果表明该系统设计合理，具有良好的调速性能。
The direct torque control for permanent magnet synchronous motor is affected by the variation of stator resistance, and consequently the accuracy of speed adjusting system.
永磁同步电机直接转矩控制受定子电阻变化影响，进而影响调速系统的精度。
The turbine was in trip in No. 1 power unit, Luoding power Plant, Guangdong because of low oil pressure in several times in the process of one stroke of EH oil pressure in DEH speed adjusting system.
广东罗定电厂1号机组DEH调速系统EH油压在一次冲转过程中，多次出现因为油压低，导致汽轮机跳闸。
The turbine was in trip in No. 1 power unit, Luoding power Plant, Guangdong because of low oil pressure in several times in the process of one stroke of EH oil pressure in DEH speed adjusting system.
广东罗定电厂1号机组DEH调速系统EH油压在一次冲转过程中，多次出现因为油压低，导致汽轮机跳闸。
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