The clinical observation of regulation on neonate ' s temperature by radiation bed ' s servo mechanism 利用輻射床的伺服機(jī)制調(diào)節(jié)初生兒體溫的臨床觀察
Using " voice - coil motor " to define the servo mechanism , and give out a deeper study of the structure of the servo mechanism . 4 以音圈電機(jī)來(lái)定義系統(tǒng)所采用的隨動(dòng)機(jī)構(gòu),對(duì)隨動(dòng)機(jī)構(gòu)的幾種結(jié)構(gòu)及其特點(diǎn)進(jìn)行了深入的討論; 4
Their study on the structure of the servo mechanism is still too simple ; in order to resolve the problems in their study , i have done these jobs : 1 隨動(dòng)機(jī)構(gòu)是系統(tǒng)的核心機(jī)構(gòu),他們對(duì)于隨動(dòng)機(jī)構(gòu)的討論過(guò)于簡(jiǎn)單;本文針對(duì)他們工作中的不足,主要完成了以下工作: 1
Electro - hydraulic servo mechanism is an important part of helicopters , the integrity of it ' s function and state of it ' s performance has fatal influence on the safety and behavior of the aircraft , so it is necessary to test the product before application 電液伺服機(jī)構(gòu)是直升機(jī)的重要部件之一,其功能的完備性和性能的優(yōu)劣對(duì)于飛行安全和飛行性能都極為重要。
This dissertation focused on the design of the computer aided test and control system of a certain product . this system is compatible to manual test , can be used to two series five types servo mechanisms testing processes 因而對(duì)其進(jìn)行性能測(cè)試具有重要的意義,本論文討論某型伺服機(jī)構(gòu)的計(jì)算機(jī)測(cè)控系統(tǒng)設(shè)計(jì),系統(tǒng)兼容人工手動(dòng)測(cè)試功能,可完成兩個(gè)系列,五種型號(hào)的伺服機(jī)構(gòu)測(cè)試。
Due to the electrohydraulic servo mechanism was used to drive the motion deck of the semi - physical simulator on the ground . therefore , the model of electrodraulic servo mechanism was built based on the fundamental equations of hydraulic jar and servo valve 由于空間對(duì)接機(jī)構(gòu)地面半物理仿真系統(tǒng)采用電液伺服驅(qū)動(dòng)機(jī)構(gòu),因此本文根據(jù)電液伺服驅(qū)動(dòng)機(jī)構(gòu)的基本方程,建立單缸電液伺服驅(qū)動(dòng)機(jī)構(gòu)的模型。
This text divides into five chapters altogether : chapter one in the introduction , have introduced the common sensor of displacement , has pointed out the fine characteristic of hall ' s sensor , put forward the basic task ; chapter two have introduced the basic operation principle of hall ' s component ; chapter three introduce hall temperature performance , electromagnetic characteristic , zero error , frequency characteristic and these parameter commonly used compensation method and hall simple application of component ; chapter four having recommended the measurement principle of the feedback servo mechanism , systematic implementation method , the experimental result has appeared , structure the mathematics model , and has analysed the error ; chapter five have pointed out the developing direction in the future while looking forward to 本文共分為五章:第一章緒論中,介紹了常見(jiàn)的位移傳感器,指出了霍爾傳感器的優(yōu)良特性,提出了基本任務(wù);第二章介紹了霍爾元件的基本工作原理;第三章介紹了霍爾元件的溫度性能、電磁特性、零位誤差、頻率特性以及這些參數(shù)常用的補(bǔ)償方法和霍爾元件的簡(jiǎn)單應(yīng)用;第四章介紹了反饋隨動(dòng)機(jī)構(gòu)的測(cè)量原理,系統(tǒng)的實(shí)現(xiàn)方法,給出了實(shí)驗(yàn)結(jié)果,構(gòu)建了數(shù)學(xué)模型,并對(duì)誤差進(jìn)行了分析;第五章展望中指出了今后的發(fā)展方向。
If can utilize hall ' s component to measure displacement under the condition of the simple magnetic field , increase the range of measuring ; it inertia little , merit that exposed to make it function in the measurement of vibration and in various kinds of displacement , become a kind of displacement sensor with fine performance . it can solve this difficulty to adopt the feedback servo mechanism 若能在簡(jiǎn)單磁場(chǎng)的條件下利用霍爾元件測(cè)量位移,增加測(cè)量范圍;它慣性小、非接觸的優(yōu)點(diǎn)將使它在各種位移與振動(dòng)的測(cè)量中發(fā)揮作用,成為一種性能優(yōu)良的位移傳感器。采用反饋隨動(dòng)機(jī)構(gòu)可解決這個(gè)困難。
The feedbacks of position , velocity , acceleration and dynamic pressure were applied to adjust the model , so the control system of single jar electrodraulic servo mechanism was built . to reduce the system error and interference error , the compound control was designed . the results of simulations showed that the magnitude attenuation and phase lag of the system come to the project demand 引入包括位置反饋、速度反饋、加速度反饋和動(dòng)壓反饋在內(nèi)的反饋控制技術(shù)對(duì)電液伺服驅(qū)動(dòng)機(jī)構(gòu)模型進(jìn)行綜合校正,從而建立單缸電液伺服控制系統(tǒng),并在分析系統(tǒng)誤差和擾動(dòng)誤差后,加入復(fù)合控制減小系統(tǒng)誤差和抑制干擾,仿真結(jié)果表明復(fù)合控制系統(tǒng)的控制品質(zhì)有了明顯改善,能夠滿足工程需求。
Methodology for absolute measurement is proposed by using an outside installation mechanism in laser tracking measurement system , which has an important reference value in practicality in high accuracy assembly and inspection of large - scale mechanical field . spherical tracking servo mechanism " s model described in this paper not only is a new thought but also have much reference value in the mechanical design and other industrial machines design 本文提出的外置式激光跟蹤測(cè)距系統(tǒng)應(yīng)用于無(wú)導(dǎo)軌曲線測(cè)量的設(shè)計(jì)方法在大型機(jī)械現(xiàn)場(chǎng)組裝與安裝中具有較高的參考價(jià)值和實(shí)用價(jià)值,提出的球形跟蹤伺服機(jī)構(gòu)的設(shè)計(jì)思想,不僅簡(jiǎn)化了伺服機(jī)構(gòu),對(duì)跟蹤伺服機(jī)構(gòu)的設(shè)計(jì)提供了新思路,而且對(duì)機(jī)器人設(shè)計(jì)及其他工業(yè)領(lǐng)域機(jī)構(gòu)設(shè)計(jì)都具有一定的參考價(jià)值。