locomotive bed 中文意思是什麼

locomotive bed 解釋
機車試驗臺
  • locomotive : n 1 火車頭，機車。2 〈pl 〉 〈俚語〉腳。3 能行動的動物。4 節奏逐漸快起來的集體歡呼。adj 1 運動的...
  • bed : n 1 床，床鋪；床位，鋪；（動物的）窩；〈比喻〉安樂窩，墳墓；床墊；睡眠；就宿。2 婚姻，夫婦關系。3...
  1. But there has been no track spectrum that can reflect the real condition of chinese rail for a long time. many organizations have put forward some conclusions of track spectrum, but there is no unite conclusion at present in china. power calculation of locomotive and experiment on the rolling and vibration test - bed have to adopt foreign track spectrum

    但長期以來沒有能反映我國實際軌道狀況的軌道譜，雖然國內很多機構都已提出一些軌道譜的結論，但尚沒有統一性的結論提出，機車車輛動力學計算和滾動振動試驗臺試驗均只有採用國外軌道譜。
  2. In chapter l, the present state of locomotive load test is summarized ; the defect of water resistance - load and original resistance - load is analyzed ; then igbt being applied in resistance - load test bed is proposed and the trend of the thyristor is forsight in chapter 2, the principle of igbt driving & protecting circuit is studied, and the dissertation introduces the hybrid circuit designed for driving igbt module and its protection technique

    第一章綜述了目前國內機車負載實驗的狀況，分析了水阻試驗臺和原干阻試驗臺的缺陷，提出了採用igbt技術改造新的干阻試驗臺，並展望了功率半導體的發展前景。第二章研究了igbt的驅動和保護的原理和技術，並介紹了專用的驅動器m57962l和igbt的保護方法。
  3. Through the developed mutual - feed test bed, it is proven that the control program features accurate speed regulation and is capable of load simulation at different locomotive working modes, which reaches the requirement of high power test system

    最後通過研製的互饋試驗臺證明該控制方案可以精確調速，同時能夠模擬機車各種工況下的負載，滿足大功率試驗系統的要求。
  4. In order to adapt well to the development of the overhaul with the locomotive, the article introduces a digital auxiliary motor test - bed based plc and touch screen technology, being an updated product of routine manual switch and relay - controlled test - bed, it can accomplish the functions such as testing, checking and other manipulations to d. c engine, a. c engine and phase converter through hmi - touch screen

    為適應機車檢修水平現代化的發展步伐，本文研究設計了基於plc和觸摸屏技術控制的機車數字化輔機試驗臺，作為常規的手動開關和繼電器控制試驗臺的升級換代產品，通過人機界面（ hmi ） ? ?觸摸屏完成對直流電機、交流電機、劈相機的試驗檢測操作。
  5. This dissertation studies igbt, which is a new type large power thyristor, and its applying technique. according to its lots of advantage, a scheme of remodeling original locomotive resistance - load test bed has been proposed which will make it automatic and numerical

    本文研究了新型大功率半導體器件igbt的驅動與保護的原理和應用技術，根據igbt的諸多優點，提出了採用igbt對機車干阻試驗臺進行技術改造的方案，使之具有自動化、數字化等功能。
  6. This paper has discussed the network mode question of the computer at first, studied and set up emphatically the information management system for the locomotive detections under the structure network environment of server of the client, and perfectly realized man - machine interaction combined the relation database management system and object - oriented programming language c + + builder ; we have also actualized non - standard device detect and control test bed and present a method that will enable the test bed to apply in this the information management system for the locomotive detections ; at the same time, though studying this system, we have proposed the method to achieve certification of quality control for the locomotive coming in and going out section, auto - maintain for the locomotive detection plan and auto - statistic and auto - analysis for the part trouble of the locomotive

    應企業要求和我們的研究實踐，我們提出了數字化機務段概念，並且開發了機車檢測管理信息系統。本文首先討論了計算機網路模式問題，著重研究並建立了客戶機服務器結構網路環境下機車檢測信息管理系統，結合關系數據庫管理系統和面向對象編程語言c + + builder較好地實現了人機交互；實現了基於pc104總線的非標設備測控試驗臺，提出了將試驗臺應用於該檢測管理信息系統的方法；通過本系統的研究，提出了機車出入段的合格證控制、機車檢測計劃的自動維護以及機車部件故障的自動統計分析的實現方法。
  7. In chapter 3 and 4, a scheme of remodeling original locomotive resistance - load test bed is present. according to the scheme, all parameters are calibrated, the dissertation research the application of single - unit igbt and pwm technique in irreversible speed regulating system of a dc motor, and analyzes signal generating of pwm and its feedback control circuit

    第三章和第四章提出了新的干阻試驗臺的方案，根據方案對負載進行校核，溫度校核，並研究了直流電機的pwm控制技術的原理。
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