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较高的控制
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  high control
     Position control is one of the motion control,it requires high control precision and high trace speed,so how to improve the dynamic characteristic and how to reduce the contour error of the system are the keys of the control.
     位置控制是运动控制的一种,它要求较高的控制精度和跟踪速度,因此如何提高系统的动态特性和减小系统的轮廓误差是控制的关键所在。
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     The experiment results show that control errors of whole process and constant temperature control process are less than 5 ℃and 0.6 ℃/6 min respectively,and errors are less than 0.2 ℃/min when it is measured. The system has high control precision.
     实验结果表明:系统整体控温误差不超过±5℃,恒温时≤0.6℃/6 min,测量时≤0.2℃/min,具有较高的控制精度。
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     Experimental results show that the developed control system of simulating platform is feasible and has relatively high control precision.
     实验结果表明,所研制的模拟平台控制系统是可行的,并具有较高的控制精度.
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     The solution is easy to realize and is able to e n sure high control pre cision of the steering control system at the same time .
     该方案易于实现,同时又能保证转向控制系统较高的控制精度。
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     Simulation showed the control method has high control accuracy and excellent control results.
     仿真结果表明:该复合控制算法具有较高的控制精度及良好的控制效果。
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  a high control
     So the control of the welding parameter such as welding pressure, gas flux, upsetting length is realized, and the system has a high dynamic response rapid and a high control precision.
     从而成功地实现了对气压焊的焊接压力、气体流量、顶锻位移量等焊接过程参数的控制,并使控制系统具有较快的动态响应速度和较高的控制精度。
短句来源
     The system adopts fuzzy control tactics, such that a high control precision is obtained.
     该系统采用模糊控制策略,能获得较高的控制精度。
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     Simulation result verifies that the simulation servo system using non-linear angular potentiometer could achieves a high control precision with easy operations, perfect functions and strong robustness.
     仿真实验表明,采用非线性角度电位器的仿真伺服系统具有较高的控制精度、功能完善、可维护性好、具有很强的鲁棒性.
短句来源
     The Stewart platform of A Large Radio Telescope is studied as the control object. The control strategies are analyzed. Simulation and experimentation results are given with a high control precision.
     并以大射电望远镜精调Stewart平台为控制对象,分析了控制策略,对其进行数值仿真和试验研究,得到了较高的控制精度;
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  “较高的控制”译为未确定词的双语例句
     With the single chip micro-computer 89C51 as the central controller and 12 bit D/A converter,the system gained higher control accuracy.
     以89C51单片机为控制核心,采用12bit的D/A转换器,确保了整个系统具有较高的控制精度。
短句来源
     Simulation results show that the control precision is high when the maneuvering angles of pitching angle, roll angle and yaw angle are all 0.01 rad.
     仿真结果表明在俯仰角、滚动角和偏航角机动量均为0.01rad情况下,控制器能够提供较高的控制精度。
短句来源
     The DSP controller TMS320LF2406 is very suitable for brushless DC motor control.
     控制器采用的是DSP芯片TMS320LF2406,用它对无刷直流电机进行控制,能够获得较高的控制精度和较好的实时性。
短句来源
     ln operation, the PID parameters have been regulating on-line by using fuzzy controller, thus the control quality of the process is higher.
     在运行过程中 ,用模糊控制器在线调整PID参数 ,使过程具有较高的控制品质
短句来源
     Finally, as to the control arithmetic, PID and fuzzy control are colligated to improve the control precision and speed, which is helpful for solving the similar problems.
     最后,控制算法方面运用了基本PID控制与模糊控制相结合的控制算法,达到了较高的控制精度和速度,而且对于类似问题的解决具有借鉴意义。
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  high control
Numerical results show that the proposed control strategy has high control effectiveness and efficiency.
      
The mechanism underlying this high control efficiency is intuitively explained.
      
Similarly the thermotolerance of mites did not change with increased time in diapause, even though mites in diapause for 12 weeks had high control mortality.
      
The hypotheses that appraisal of low control would yield more emotion-focused and passive coping, and that appraisal of high control would be linked with problem-focused and active coping, were not confirmed.
      
It is shown in the paper that the practical constraints such as torque limitation, and the demand of high control performance, i.e., high bandwidth, result in undesirable overshoots.
      
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  a high control
Metal tolerant populations were characterized by a high control mortality (50%) or an increased larval development time (with 30%).
      
Metabolic control analysis predicts that effects on tumor growth are likely to be obtained with lower concentrations of drug, if an enzyme with a high control coefficient on tumor growth is being inhibited.
      
As a result, LAR usually suffers from a high control overhead.
      
Firstly, bitstream processing, which typically contains no parallelism and has a high control complexity.
      
For the global product, there is a high control from the headquarters on the subsidiaries in designing advertising concept.
      
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Wind power is a kind of inexhaustible and harmless energy source in the nature. Its application for providing electric power becomes more and more attractive nowadays. However, the wind power is not easy to control, because the change of the wind velocity will change the rotating speed of the wind turbine, Consequently, the output frequency and voltage of the alternator driven by it will also be varied. This is unacceptable either to the consumers or to the parallel operation with an existing power system....

Wind power is a kind of inexhaustible and harmless energy source in the nature. Its application for providing electric power becomes more and more attractive nowadays. However, the wind power is not easy to control, because the change of the wind velocity will change the rotating speed of the wind turbine, Consequently, the output frequency and voltage of the alternator driven by it will also be varied. This is unacceptable either to the consumers or to the parallel operation with an existing power system. For solving this problem, this paper presents a variable speed and constant frequency and magnitude when the wind turbine speed varies within certain limits. This is realized by using an eddy-current coupling between the wind turbine and the alternator and the existing current of the coupling can be automatically regulated by means of electric devices so as to keep the speed of tile alternator practically constant., The features of this system are its compactness, reliability, fine regulation and ease of control. The experimental characteristics will be given and some exploratory viewpoints on the application of this system to wind power generation will be presented.

风能是自然界中取之不尽用之不竭的没有污染的能源,利用风能发电来提供电力,愈来 愈受到人们的重视。但风能比较难于控制,风速的变化会引起风轮机转速的变化,因而由它 所驱动的交流发电机的输出频率与电压也将随之变化,这对用户或与电网并联来说都是不合 适的。为了解决这个问题,本文提出一种变速恒频发电系统,这种系统能保证当风轮机转速 在一定范围内变化时,在交流发电机输出端能获得稳定频率的电压。这种系统是通过将风轮 机与发电机以电磁滑差方式联接,并通过由电子器件组成的调节系统自动调节电磁滑差联接 装置的励磁电流而实现的。这种系统的特点是结构紧凑、运行可靠、调节精度较高、控制简 单方便。本文介绍了通过实验获得的某些性能结果,并对这种系统用于风力发电的可能性提 出了探讨性的看法。

This paper discusses a microprocessor-based voltage-adjusting direct digital speed control system of an A.C. induction motor. This system consists of such functions as digital comparision, digital regulation, digital timing control, pulse trigger for thyristors, logical change of the rotation direction of the motor, automatical display of the trouble locations and alarm making. It has the advantages of rapid response, high accuracy, compact size of control device and easy operation. The experiment results show...

This paper discusses a microprocessor-based voltage-adjusting direct digital speed control system of an A.C. induction motor. This system consists of such functions as digital comparision, digital regulation, digital timing control, pulse trigger for thyristors, logical change of the rotation direction of the motor, automatical display of the trouble locations and alarm making. It has the advantages of rapid response, high accuracy, compact size of control device and easy operation. The experiment results show that it has good static characteristic and adjustable speed range of 20:1 and its dynamic characteristics can meet the requirements of frequent starting and braking. Hence it is fit for repetitive short time work of cranes and for ventilation and pump loads that can obtain good results in saving energy under their operations at lower speed.

本文研究一种利用微处理机对交流异步电动机调压调速的直接数字控制系统。该系统包括数字比较、数字调节、数字定时控制、对可控硅的脉冲触发、对电动机实现逻辑换向、自动显示故障和报警等多种功能。它具有响应较快、精度较高、控制设备体积小和操作方便等优点。实验结果表明:其静态特性好,调速范围 20:1,动态特性能够满足频繁起动和制动的要求,因此,它适用于起重机的重复短时工作;对风机、泵类负载在低速运行下可收到好的节能效益。

Generally, the traditional adjustable DC voltage is completed by using phase-controlled rectifier. This paper discusses a new type AC-DC converter which changes the AC into adjustable DC voltage by the SPWM technique. This converter is characterized by larger output capacity, less harmonic and higher control precision. Furthermore, its eminent characteristic is that the input power factor can be controlled in or less than 1. i.e. power factor angle can be changed arbitrary.

传统的可调直流电压,一般均采用相控整流器来完成。本文所讨论的新型交-直变换器,系将交流电压经过SPWM(Sinusoidal Pulse width Modulation)技术交换成可调的直流电压。这种变换器具有较大的输出能力,较小的谐波,较高的控制精度。尤为可贵的是:变换器输入功率因数可控制为1或小于1,即功率因数角可任意调节。

 
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