逆檢系統 的英文怎麼說

中文拼音 [jiǎntǒng]
逆檢系統 英文
retrospective search system
  • : Ⅰ形容詞1 (方向相反) contrary; counter 2 [數學] inverse; converse Ⅱ動詞1 (抵觸; 不順從) go aga...
  • : Ⅰ動詞1 (查) check up; inspect; examine 2 (約束; 檢點) restrain oneself; be careful in one s c...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
  • 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
  1. The paper mainly discusses the realization of simulation modules, which include robot and environment building module, robot command module, trajectory planning module, kinematics module and collision check module

    摘要討論了圖形模擬中機器人及環境圖形建模,機器人指令,軌跡規劃,運動學正解解,碰撞測,幫助等模塊的實現方法。
  2. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函數概念,建立了正弦脈寬調制( spwm )變器供電異步電動機,考慮主磁路飽和時的變頻調速整體數學模型,模擬的低頻振蕩;其次從變器-異步電動機能量轉換角度出發,提出通過變器輸入電流中負電流的間隔時間是否大於1 / f _ c ( f _ c為變器載波頻率)來判定是否出現低頻振蕩;最後的實驗結果驗證了低頻振蕩建模和判據的實用性和正確性。
  3. The author describes the technology development of reverse engineering at present, and puts forward that the reverse engineering only is a process analyzing and checking source code to reveal the essential of the source system, and then assistants to understand the system, which involved to three criterion action : data collection, knowledge organization and information browsing

    描述了當前軟體向工程發展中的技術現狀,提出了向工程只是一個分析查的過程,揭示的本質關,從而輔助對的理解,它涉及到三個規范活動:數據收集、知識組織和信息瀏覽。
  4. The pid control of output voltage feedback is easy to give attention to static and dynamic performance of the control system. output performance of inverter of ups is improved when rms of output voltage feedback is added to pid control system. the hardware and software is designed in order to achieve the digital pid control of inverter of ups

    設計了用於變器數字化控制的采樣調理電路,結合tms320f240的硬體資源,通過軟體實現了ups的緩起動和市電跟蹤,並改進了變器電壓瞬時值控制,通過引入輸出電流中心值測,對反饋電壓進行補償,解決了變器輸出的偏磁問題。
  5. Regard how to structure the control system of sensorless bldcm with dsp - tms320f240 as the centre in this paper, the detailed argumentation course of the motor startup, bemf terminal voltage measurement and control strategy is given out, give and pay concrete details for the software and hardware realization and experimental result. in order to treat the bldcm control system with dsp clearly, the full paper divides into six chapters altogether : chapter one, introduceing the development course, the structure characteristic and operation principle, etc. of bldcm in the introduction ; chapter two, directed against the startup issue of bldcm, the chapter give and publish the rotor measure pulse orients technology for motor startup in detail ; chapter three, proceed with mathematics model of the bldcm, expounding the control schemes ; chapter four, two important devices introducing : dsp ( 240 tms320f ) and power invertor control chip ( ir2131s ) ; chapter five, give and publish the detail of hardwares of control system ; chapter six, by ccs ide of ti, realize the control schemes in the front chapters with software, offere the procedure flow chart of main subroutine and some key place of programming, the experiment result in addition

    全文共分六章:第一章、緒論中介紹了bldcm的發展歷程、電機本身的結構特點和工作原理等;第二章、針對五位置傳感器bldcm的起動問題,文中詳細給出了測脈沖轉子定位起動技術;第三章、從電機的數學模型入手,詳細論述了反電動勢端電壓法和的控制策略;第四章、介紹了硬體實現中的兩個重要器件: dsp ( tms320f240 )和功率管變器控制晶元( ir2131s ) ;第五章、詳細給出了控制的硬體實現細節;第六章、利用ti提供的ccs集成開發環境,將前面章節的控制方案用軟體加以實現,給出了主要部分的程序流程圖和一些編程要點以及實驗結果。
  6. The power circuit of the system adopts the voltage frequency conversion structure of ac - dc - ac, and is composed of the commutation circuit, filter circuit and intelligence power module ( pm15rsh120 ). control circuit takes the dsp chip tms320lf2407 as core, including the pwm signal occurrence circuit, detect circuit of stator current and direct current voltage of generatrix, drive circuit of intelligence power module, detect circuit of speed, protect circuit of system etc. all of this builds the full digital vector control system of asynchronous motor

    的功率電路採用電壓型的交-直-交變壓變頻結構,由整流電路、濾波電路及智能功率模塊ipm ( pm15rsh120 )變電路構成;控制電路以dsp晶元tms320lf2407為核心,加上pwm信號發生電路、定子電流測電路、直流母線電壓測電路、智能功率模塊驅動電路、速度測電路、保護電路等,構成了功能齊全的異步電機全數字化矢量控制
  7. The digital control is the main direction in the development of controlling electronic inverter. the digital control system has advantages of flexible control, high integration, strong anti - disturb ability, the realization of advanced control arithmetic and the convenience of real - time control. the system based dsp can realize flexible and precise real - time control as well as malfunction monitor by software

    數字化是電力變換器控制發展的主要方向。數字控制具有集成度高、抗干擾能力強、控制靈活、可實現先進的控制演算法和便於實時控制等優點。採取dsp作為變器的控制核心,可以用軟體很容易地實現靈活、準確的在線控制與全部故障測。
  8. Aiming at the unsymmetrical three phase voltages from inverter after a failure, the dissertation get the relationship among the positive sequence ( ps ), negative sequence ( ns ) and the instantaneous symmetrical component of the ps, this build the foundation to detect the fault and to get the fault feature

    針對變器故障后的電壓輸出的不對稱性,利用對稱分量法對變器輸出信號進行分析,獲得了變器輸出信號的數字信號模型,為變頻調速的故障測與故障特徵提取奠定了基礎。 3
  9. The list betterments aimed at the properties of system : through the testing of dc voltage, pulse width and inverting voltage and frequency can be regulated online to fit for different steady load ; reducing speed ripples by compensating with nonzero voltage working proportional time ; adopting the technology of harmonics suppression. as a result, the high precision and wide speed control is realized and the step out is overcome

    針對的性能指標,做了如下改進:對直流側電壓的測,在線調整變器導通脈寬、輸出電壓和頻率,可以適應不同大小的恆負載;並用非零電壓矢量作用時間進行補償的方法,減小電機的低速脈動;加入了諧波抑制技術等。
  10. In the design of real - time control system, the paper takes three - phase full - bridge mosfet inverter as the real - time control main circuit, and adopts a control scheme with 120 ? switching mode combined with half - bridge pulse width modulation ( pwm ), which would avoid straightthrough short of a certain bridge. phase current is detected by single current sensor ; three - phase position signals generated by position sensors could not only supply commutation information for inverter, but also be used for speed detecting based on signals " period measurement, which makes the speed sensor unnecessary. the whole control system adopts speed and current dual closed - loop control strategy in order to construct a high performance rare - earth permanent magnetic brushless dc motor ( repm bldcm ) full - digital real - time control system

    在實時控制的設計中,本文以三相全橋mosfet變電路作為實時控制主電路,採用120導通方式結合半橋pwm調制的控制方案,從而有效地避免了橋臂的直通短路;本文用單電流傳感器實現對相電流的測,來自位置傳感器的三相位置信號不僅為變電路提供換相信息,而且也用於基於信號周期測量的轉速測,這樣就省去了速度傳感器;採用的是速度、電流雙閉環控制策略,力求構建高性能的稀土永磁無刷直流電動機全數字實時控制
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