precision n. 精密,精確性;嚴(yán)格;精密度;【修辭學(xué)】精確。 arms of precision 裝有瞄準(zhǔn)儀的槍炮。 adj. 精確的,精密的。 precision apparatus 精密儀器。 a precision balance 精密天平。 a precision fire 準(zhǔn)確射擊。
dynamic adj. 1.動(dòng)力的,動(dòng)力學(xué)的;力學(xué)(上)的;動(dòng)(態(tài))的;起動(dòng)的。 2.有力的,有生氣的;能動(dòng)的;(工作)效率高的。 3.【音樂(lè)】力度;強(qiáng)弱法的。 4.【醫(yī)學(xué)】機(jī)能(上)的。 5.【哲學(xué)】動(dòng)力論的,力本論的。 a dynamic personality 活躍的性格。 a dynamic atmosphere 生氣勃勃的景象。 a dynamic population 動(dòng)態(tài)人口。 n. 〔限指 dynamic〕 (原)動(dòng)力;動(dòng)態(tài)。 adv. -ally
A research of the computer - aided dynamic precision detecting system of the gearing chain 計(jì)算機(jī)輔助齒輪傳動(dòng)鏈動(dòng)態(tài)精度檢測(cè)系統(tǒng)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,為了驗(yàn)證以上理論對(duì)開(kāi)放式系統(tǒng)的適應(yīng)性,作者還對(duì)原有的一臺(tái)光柵測(cè)長(zhǎng)儀測(cè)量精度實(shí)驗(yàn)裝置提出了改進(jìn)方案,使之能夠?qū)崿F(xiàn)真正的動(dòng)態(tài)測(cè)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 本文以國(guó)家自然科學(xué)基金資助項(xiàng)目《直線伺服雙位置環(huán)動(dòng)態(tài)精密同步進(jìn)給理論和實(shí)現(xiàn)方法研究( no 50075057 ) 》為背景,針對(duì)直線同步進(jìn)給提出了一種新的控制方案:模型參考自適應(yīng)控制。機(jī)床采用永磁直線同步電動(dòng)機(jī)直接驅(qū)動(dòng),省掉了中間的傳動(dòng)環(huán)節(jié),消除了機(jī)械傳動(dòng)鏈的影響;又因永磁直線同步電動(dòng)機(jī)采用高能永磁體,具有電磁推力強(qiáng)度高、損耗低、電氣時(shí)間常數(shù)小、響應(yīng)快等特點(diǎn)。
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 本文以國(guó)家自然科學(xué)基金資助項(xiàng)目《直線伺服雙位置環(huán)動(dòng)態(tài)精密同步進(jìn)給理論和實(shí)現(xiàn)方法研究( no . 50075057 ) 》為背景,將非線性pid控制理論應(yīng)用于電機(jī)的同步控制當(dāng)中,給出了非線性pid控制器的設(shè)計(jì)方法,并且與傳統(tǒng)線性pid控制下的控制系統(tǒng)做了比較,驗(yàn)證了該方法的有效性。
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 傳動(dòng)誤差te ( transmissionerror )及單端運(yùn)動(dòng)的速度、加速度等運(yùn)動(dòng)特性mp ( motionproperty )的動(dòng)態(tài)精密測(cè)量涉及光、機(jī)、電,磁和計(jì)算機(jī)等多門(mén)學(xué)科的前沿技術(shù),在生產(chǎn)中有著非常重要的意義。
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 本文以國(guó)家自然科學(xué)基金資助項(xiàng)目《直線伺服雙位置環(huán)動(dòng)態(tài)精密同步進(jìn)給理論和實(shí)現(xiàn)方法研究( n _ o . 50075057 ) 》為背景,基于h _控制理論,提出了直線伺服單位置環(huán)的高精度快進(jìn)給的魯棒h _控制方案,并進(jìn)一步研究了h2 h混合控制問(wèn)題,給出了一個(gè)約束的條件。
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 以兩臺(tái)永磁直線同步電機(jī)驅(qū)動(dòng)的數(shù)控龍門(mén)移動(dòng)式鏜銑加工中心同步控制問(wèn)題為背景,對(duì)直線伺服雙位置環(huán)動(dòng)態(tài)精密同步進(jìn)給理論和實(shí)現(xiàn)方法進(jìn)行研究。