precision n. 精密,精确性;严格;精密度;【修辞学】精确。 arms of precision 装有瞄准仪的枪炮。 adj. 精确的,精密的。 precision apparatus 精密仪器。 a precision balance 精密天平。 a precision fire 准确射击。
dynamic adj. 1.动力的,动力学的;力学(上)的;动(态)的;起动的。 2.有力的,有生气的;能动的;(工作)效率高的。 3.【音乐】力度;强弱法的。 4.【医学】机能(上)的。 5.【哲学】动力论的,力本论的。 a dynamic personality 活跃的性格。 a dynamic atmosphere 生气勃勃的景象。 a dynamic population 动态人口。 n. 〔限指 dynamic〕 (原)动力;动态。 adv. -ally
A research of the computer - aided dynamic precision detecting system of the gearing chain 计算机辅助齿轮传动链动态精度检测系统研究
Besides , to prove whether the above theories are suitable for open loop dynamic measurement system , the author gave some suggestions to improve a grating length measurement instrument that is used for dynamic precision research to make sure that the device could really realize dynamic measurement 此外,为了验证以上理论对开放式系统的适应性,作者还对原有的一台光栅测长仪测量精度实验装置提出了改进方案,使之能够实现真正的动态测量。
The paper is the project named " theory of dynamic precision synchronization traverse and research of realization methods for linear servo dual position loops system ( no - 50075057 ) " as the background , which is supported by national natural science foundation of china drive directly by linear permanent magnet synchronous ac motor , the controlled plant eliminates middle drive parts and avoids the effects of the mechanical transmission chains from rotary motions to linear ones 本文以国家自然科学基金资助项目《直线伺服双位置环动态精密同步进给理论和实现方法研究( no 50075057 ) 》为背景,针对直线同步进给提出了一种新的控制方案:模型参考自适应控制。机床采用永磁直线同步电动机直接驱动,省掉了中间的传动环节,消除了机械传动链的影响;又因永磁直线同步电动机采用高能永磁体,具有电磁推力强度高、损耗低、电气时间常数小、响应快等特点。
The background of the thesis is " theory of dynamic precision synchronization traverse and research of realization methods for linear servo dual position loops system ( no . 50075057 ) " , which is supported by national natural science foundation of china . in this paper , we introduce a theory of nonlinear pid control and put it in the system of motor ' s synchrodrive control . the method how to design a nonlinear pid co trailer is also introduced . compared with linear pid controller , this method is testified to be well 本文以国家自然科学基金资助项目《直线伺服双位置环动态精密同步进给理论和实现方法研究( no . 50075057 ) 》为背景,将非线性pid控制理论应用于电机的同步控制当中,给出了非线性pid控制器的设计方法,并且与传统线性pid控制下的控制系统做了比较,验证了该方法的有效性。
The dynamic precision measurements of property such as transmission error , single shaft motion speed and acceleration and so on , involve in frontal technologies about subjects including optics , mechanics , electricity , magnetism and computer . and these measurements play an important role in many manufacture fields 传动误差te ( transmissionerror )及单端运动的速度、加速度等运动特性mp ( motionproperty )的动态精密测量涉及光、机、电,磁和计算机等多门学科的前沿技术,在生产中有着非常重要的意义。
A new kind of robust h control tactic based on ip controller for dynamical and rapid high - precision - feed in a single axis is proposed in this paper , and the problem of h2 / h is also introduced , in which a constraint condition on y is deduced . the background of the paper is " theory of dynamic precision synchronization traverse and research of realization methods for linear servo dual position loops system ( no . 50075057 ) " , which is supported by national natural science foundation of china 本文以国家自然科学基金资助项目《直线伺服双位置环动态精密同步进给理论和实现方法研究( n _ o . 50075057 ) 》为背景,基于h _控制理论,提出了直线伺服单位置环的高精度快进给的鲁棒h _控制方案,并进一步研究了h2 h混合控制问题,给出了一个约束的条件。
The background of this dissertation is the gantry synchronous control problem of numerical control gantry - moving type milling machining center drived by two linear permanent magnet synchronous motors with the same parameters . theory of dynamic precision synchronization traverse and research of realization methods for linear servo dual position loops system is researched 以两台永磁直线同步电机驱动的数控龙门移动式镗铣加工中心同步控制问题为背景,对直线伺服双位置环动态精密同步进给理论和实现方法进行研究。