英语释义

1. a control system for an operation or process in which there is no self-correcting action as there is in a closed loop

片语

open circle开环；[数] 开圆；开放的圆圈；开口圆

open-loop scrubbing连续重置

open-loop thinking[经]

Open Control Loop开环控制回路

open-loop loss开放环路损耗

open-loop architecture开环结构

open-loop zero[自]

open-loop tracking开环追蹤

open-loop maneuver开路操纵

open-loop experiment[自]

英汉例句

• compared with closed loop system, open loop system has higher efficiency and wider application.

  与闭式系统相比，开式系统换热效率更高，应用更为广泛。

• the institution of all the humping speed control systems basically depends upon open loop control which restricts the character of speed regulating and random adaptability to the circumstances.

  现行各种制式的驼峰速度控制系统，都基本属开环控制，限制了速度调整的品质和当外界因素变化时的随机适应能力。

• the open loop transmit diversity scheme, named as sttd, and two feedback close loop transmit diversity schemas in downlink channel communication was defined in wcdma standard.

  wcdma标準在下行信道传输中采用了称作sttd的开环发射分集方案和两种反馈模式的闭环发射分集方案。

• this paper introduces several methods to reduce error of step by step motor open loop servo system in numerical controlled machine tools.

  本文介绍了减少数控机床步进电机开环伺服系统误差的几种方法。

• the open loop control is used to adjust the bifurcation parameter in order to obtain a desired equilibrium bifurcation diagram.

  然后利用开环控制来改变非线性系统的分岔参数，使之获得理想的平衡点分岔方程。

• due to the difficulty of conforming to human recognition process with traditional open loop recognition system, a simulated intelligent recognition system with feedback structure was constructed.

  针对传统基于开环的汉字识别系统不完全符合人类识字过程的问题，构建了一种具有反馈结构的仿人智能识别系统。

• in this paper, the mathematical models of open loop system and feedback closed-loop system of a micro feed servo system using magnet are studied.

  分析电磁式微进给伺服系统的开环和闭环数学模型，提出在非圆截面零件车削加工中针对给定轨迹渐变的修正迭代学习控制算法。

• main steam temperature system is a typical open loop stable system with large time delay, its model can be described by an equivalent first order plus pure dead time (fopdt) type.

  火电厂主汽温系统是典型的大滞后开环稳定系统，其过程模型可以等效为常用的一阶加纯滞后形式（fopdt）。

• the paper introduces the pump driving and open loop hydraulic system for electro hydraulic hammer developed by authors.

  介绍了西安重型机械研究所开发的发明专利全液压电液锤的原理、优点及结构特点与系列参数。

• the platform with digital cylinder avoids lots of hydraulic servo parameter adjusting devices and a/d, d/a data conversion devices. therefore it can be regarded as an open loop control for developers.

  该平台采用新型数字液压缸，其控制不需外部a/d、d/a转换，同时减少了大量的液压伺服参数调节装置，对控制者来说完全是一种开环控制。

• the identification method for the one dimension time series, open loop and closed loop system are developed by use of model arma.

  讨论了一维时间序列开环系统、闭环系统的辨识方法及定阶问题。

• a lot of experiments for open loop control and closed loop control have been made according to the polygon voltage vector control. the experiment result shows that the new scheme is feasible.

  对于采用多边形电压矢量新方案，我们分别进行了大量的开环及速度闭环实验，实验结果表明本控制方案是可行的。

• a kind of the use of impulsive control mode, the drive and motor closed loop, but not feedback to the numerical control system, this drive, in a sense, can open loop control called the servo control.

  一种采用脉沖控制方式，此种驱动器与电机闭环，但不反馈到数控系统，这种驱动器在某种程度上可称为开环控制的伺服控制。

• the pcm will operate in two different modes: open loop and closed loop.

  pcm将在两种不同的模式中工作：开路回路和闭路回路。

• meanwhile, the controller introduces frequency jitter technique to reduce the emi and slope compensation to make the open loop stable.

  同时，控制器电路采用频率抖动技术来减小emi和斜坡补偿来稳定开环。

• combining the feature of chaotic cdma, a novel algorithm for power controlling with open loop control and close loop control is presented.

  结合混沌cdma通信系统的特点，提出了一种采用开环控制和闭环控制相结合的功率控制算法。

• to overcome the long test time and big error in single variable open loop step test method, a novel identification method based on asymptotic theory(asym) is presented.

  为克服传统单变量开环阶跃测试法测试时间长和误差大的缺点，提出一种基于渐进黑箱理论的多变量辨识方法。

• on the basis of open loop dynamics and lagrange method, a dynamic model is developed which takes friction into account.

  基于操作手的开环动力学和拉格朗日方法，建立了一个考虑粘滑现象的装配过程的通用动力学模型。

• research on open loop control of bldc driving air compressor;

  研究非线性振动系统中混沌的开闭环控制问题。

• the first method is tracing and making intellectual decision for the base band by using the open loop policy.

  方法一是在开环条件下对基带采样跟蹤与智能判决。

• presents a dac dynamic test instrument that display dac output waveform of any division open loop vhf number generator used in the broadband oscilloscope.

  阐述了以开环数字高频振蕩发生器将数模转换器输出阶梯波的任一部分，在宽带示波器上显示出来的动态测试设备。

• this paper presents a new algorithm which adopts open loop and close loop congestion control. it cooperates the permits and time stamps schemes, together with the fcfs scheduling policy.

  本文提出了一种同时采用开环和闭环控制 ，结合许可证控制和时间戳调度策略 ，以fcfs方式服务的拥塞回避新算法 。

• while volume adjusting is evoked, default volume is collected under the mode of open loop control.

  当音量调节操作时，则在开环形式下完成默认音量的采样更新。

• based on a new way of whole open loop and signal process part closed loop, the inductosyn angle measurement system is designed, it breaks through the one type of closed loop or open loop mode.

  本文基于新的思路，突破纯开环或闭环的模式，采用总体开环和数字信号处理部分闭环的方案设计了圆感应同步器测角系统。

• the device adopted closed loop control principle , it differed from the traditional intermissive, open loop control device.

  装置采用闭环控制，设计方案和传统的间歇式的、开环控制装置有着本质的区别。

• subsequently, an open loop experiment has been tested which verified the feasibility of the experimental generation system can run in variable speed and constant frequency condition.

  随后，进行了双定子无刷双馈发电机实验系统的开环发电实验，实现了该发电系统的变速恒频发电。

• open loop systems that draw water from a well and drain to the surface may contribute to aquifer depletion, water shortages, groundwater contamination, and subsidence of the soil.

  开环系统，吸引流失的水和良好的表面可能会导致含水层耗竭，水资源短缺，地下水污染，土壤下陷的。