試驗迴路 的英文怎麼說
中文拼音 [shìyànhuílù]
試驗迴路
英文
test loop-
Standard practice for guinea pig : split adjuvant and closed patch testing for contact allergens
豚鼠的標準規程:接觸過敏素的分裂輔助劑和閉合迴路試驗This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。After the integral dcs modification of no. 1 generator set in zhujiang power plant, the control tactics of trip circuit for pulverizing system, test and the improvement of related circuit were introduced
摘要介紹廣州珠江發電廠1號機組dcs一體化改造后,制粉系統跳閘迴路的控制策略、試驗及相關迴路修改情況。First, executing insulation and conductivity test for loop cable. then, pulsing simulation signal at place of local transmitter and output switch
首先要對迴路電纜進行絕緣和導通試驗, 2 )然後在現場變送器、發訊開關處加模擬工藝信號。Thermal power measurement of testing device in hfetr test loop
試驗迴路中考驗裝置熱功率測量It can acquire the voltage on the test appliance and current in the circuit. and it can see these electrical signals as its input and calculates based on the data and gives the parameters and waveform that user needed. the parameters we can get through calculation include power factor, joule ' s integral, available value, maximal value, minimum value, time constant etc. recently, there are many scholar is studying the algorithm that calculate the parameter using test data, but many of them adopt the heuristic method, not using the test data directly
本課題研製一套電器試驗參數高速採集系統,能夠檢測試驗迴路中試品上的電壓信號和迴路中的電流信號,並根據這些電信號的數值利用計算機進行在線計算,並給出用戶需要的各種電參數值和用戶需要的波形圖,通過計算得到的電器參數有功率因數、焦耳積分、有效值、最大最小值、時間常數等。Check the connection of control circuit shall be in accordance with drawings, the continuity of each circuit, and the insulation resistance against earth
按電路圖檢查控制迴路接線正確,各迴路連續性試驗正確,對地絕緣電阻符合要求。According to the concrete request of the test pump, this close test circuit project of the high pressure pump platform is made out
根據被試泵的具體要求,制定了高壓泵實驗臺的閉式實驗迴路方案。Based on remaining the dismantling and loading, we make full of the equipped instrument, and fall the whole cycle into three modules : speed - adjusting module, pressure module and multi - execution instrument module. we must compile the related plc control program and pc control program, and redesign the control cabinet and re - fix the electric cycle. we complete the auto - control of the hydraulic experiment table through the loading and recapitulate debugging
在保留其元件可裝拆性的基礎上,我們充分利用現有液壓實驗臺的液壓元件,對其基本迴路進行重新組合,分為調速、壓力和多執行元件控制迴路三個模塊,並編制可編程式控制制器程序和上位機數據採集程序控制迴路動作,重新設計該實驗臺的電氣控制櫃,並進行現場接線和安裝調試,實現所有教學必須實驗迴路的自動控制。Used the metering - out control system in which the hydraulic cylinder was the executive element as research object in this thesis, the experimental research about the effect on the pressure p1, p2 of the hydraulic cylinder chambers when series - connecting throttle valve or governor valve on the return oil - line under the step load changing have made
本文以單出桿液壓缸為執行元件的出口節流調速系統為研究對象,在其迴路上分別串接節流閥和調速閥,當負載發生階躍變化時,對液壓缸兩腔壓力p _ 1 、 p _ 2的影響進行了試驗研究。Comparing with local of the same kind product this device have the low cost, good characteristics of interface of person and machine, very suit the chinese state of the nation, and have the value of expansion
與傳統的測試方法相比高壓斷路器迴路電阻測試儀的特點是:測試精度高、試驗速度快。與國內同類產品相比它具有成本低、人機界面良好的特點,很適合中國國情,具有推廣價值。Large component test loop
大部件試驗迴路Abstract : this paper discusses the principles for selecting the breakdown decision current value in electrolyte strength test based on the structure features of electrolyte, causes and processes of electric breakdown, and human body reaction when suffering from macro electric shock risk by different electric currents, and makes supplementary analysis and explanation on the conditions of micro electric shock risk and the larger distributing capacitance in test circuits
摘要:從電介質的結構特點和產生電擊穿的原因、過程以及人體遭受不同電流宏電擊危險時的反應兩個方面,論述了電介質強度試驗中擊穿判定電流值的選取原則,並對微電擊危險和試驗迴路中存在較大分佈電容的情況,作了補充分析、說明。Telecommunications - digital exchanges and pbxs - digital circuit loopback test line with n x ds0 capability
電信.數字交換和pbxs . n x ds0容量的數字線路迴路試驗線路In this circuit, we use many kinds of negative feedback to modify the ou tput wave, which can decrease the distortion. and we use the high - voltage and high frequency capacitance efficiency, which can decrease the disturbance of output signal of variable frequency source for the test of part discharge
採用了多種負反饋迴路修正輸出波形,使得輸出電壓波形的失真度很小;並且在電路中有效利用高壓高頻電容,減小了變頻電源輸出的電壓對局部放電試驗時的干擾。Based thorough analysis in space docking dynamics and loop control, test - bed ’ s virtual prototype is presented in paper
基於對空間對接動力學和大迴路控制的深入分析,文章建立了對接機構綜合試驗臺的虛擬樣機。Lastly, we arrive a conclusion on test condition of relay ' s electrical life - test device when simulating motor load. this kind of test condition includes the voltage across relay ' s contacts and current through its loop circuit
最後總結得出繼電器電壽命試驗設備模擬電動機負載時的試驗條件,其中包括繼電器的觸點電壓和迴路電流條件。Chapter three is the trial part. the test of the every technical parameters of the trial tube has been finished in company. the test and verify of the ability of the short circuit electric
第三章為試驗部分,在公司內完成了試驗管的各項技術參數測試,並在合成迴路上進行了真空滅弧室短路電流能力開斷的試驗驗證。So a new double - pressure common - rail system, which uses the lubricating oil in the diesel engine as the actuating medium, is presented. first, an experimental bench with the hydraulic system ^ fuel injection systeiru electronic control unit and simulated diesel engine is built
鑒于首次研究綜合系統,本文首先建立了一套實用於2135g柴油機的綜合控制系統試驗臺架,其中包括液壓迴路、燃油迴路、電控系統和模擬柴油機。Answer : preparative job includes : understands workplace one, the moving circumstance of 2 equipment, this job has with moving equipment without direct connection, have the job that cooperates without need with other team and group ; makes working priority discipline and the blemish that prepare to solve and weak point ; the staff member makes clear to divide the work and be familiar with the concerned data such as blueprint and test gauge cheng ; should be had the blueprint that agrees with actual state, record that examines last, newest rectify spare parts of the instrument that decides requisition, test gauge cheng, qualification, machine parts or tools kept in reserve, tool and join lead to wait ; is a few righter important equipment, especially complex protector or couplet jumps loop protector, should weave test program, working controller should fill in ticket of protection safety precaution, examine and approve via technical chief, just can carry out
答:預備的工作包括:了解工作地點一、二次設備的運行情況,本工作與運行設備有無直接聯系,與其他班組有無需要配合的工作;制定工作重點項目及預備解決的缺陷和薄弱環節;工作人員明確分工並熟悉圖紙與檢驗規程等有關資料;應具備與實際狀況一致的圖紙、上次檢驗的記錄、最新整定通知單、檢驗規程、合格的儀器、備品備件、工具和連接導線等;對一些重要設備,非凡是復雜保護裝置或有聯跳迴路保護裝置,應編制試驗方案,工作負責人應填寫繼電保護安全措施票,並經技術負責人審批,方能實施。分享友人