瞬態故障 的英文怎麼說
中文拼音 [shùntàigùzhàng]
瞬態故障
英文
transient fault- 瞬 : Ⅰ名詞(眼珠一動; 一眨眼) wink; twinkling Ⅱ動詞(眨眼) wink
- 態 : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
- 故 : Ⅰ名詞1 (事故) event; incident; happening; accident 2 (原因) cause; reason 3 (朋友; 友情) fr...
- 障 : Ⅰ動詞(阻隔; 遮擋) block; hinder; obstruct Ⅱ名詞(遮擋物) barrier; block; obstacle
- 瞬態 : transient; instantaneous condition; transient state
- 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
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Transient simulation of tri - winding single phase motors with wye - connected during fault operation
三繞組單相電動機故障運行瞬態過程模擬研究Three different d - fronts are defined in this paper, and the test generation is consisted of three parts : to excite the fault at first ; to maximize the iddt difference between fault - free circuit and faulty circuit at second ; and finally to minimize the effect of bypass
文中定義了三種不同的d前沿,並將測試生成分為三個部分: 1 、激活故障, 2 、使無故障電路和故障電路的瞬態電流差別最大化, 3 、減少旁路的影響。Validate system load flow and fault models using instantaneous voltage angles. use system - state measurements to increase stable system loading through reduced margin requirements
批準電力潮流和故障類型使用瞬時電壓角度.通過縮減利潤需求,使用系統狀態測量以增加穩定的系統負荷In chapter 4, for the first time, in the way of virtual malfunction simulation, cooling water of diesel engine type 4135 has been simulated under the stopping water supply malfunction. and the analysis and discussion has been taken on the result of transient temperature curve of the simulation. and in the same way, internally cooling oil piston of diesel engine type 180 has been numerically simulated on the virtual thermal loading mal
得出了虛擬其斷水故障模擬的瞬態溫度曲線結果,並對其進行了分析和探討;同時也用虛擬模擬的思想對180型柴油機內油冷活塞進行了虛擬其熱負荷故障的數值模擬,得出了其在斷油情況下和超負荷運轉情況下的分析結果。In this paper, the repairable queuing system with police is studied. some important queuing quantities and reliability quantities are in detail discussed as follows : ( 1 ) using the renewal process theory and the method of stochastic decomposition, both the transient and equilibrium distributions of the queue length from any state are discussed, and the recursion expression of the equilibrium distribution is given by furthermore, the generating function of equilibrium queuing length distribution is given by ( 2 ) the distribution of waiting time is discussed, and the mean waiting time is given by ( 3 ) the departure of the system is discussed, and the mean value of departure customers when is given by
具體如下: ( 1 )利用更新過程理論和隨機分解方法,討論了從任意初始狀態出發隊長分佈的瞬態解和穩態解,得到了隊長平穩分佈的遞推公式:並進一步求得了系統的穩態隊長分佈的母函數( 2 )討論了穩態等待時間分佈,求得了平均等待時間: ( 3 )討論了系統的輸出過程,求得了長期單位時間內離去顧客的平均數: ( 4 )討論了服務臺的不可用度,得到了穩態不可用度: ( 5 )討論了內服務臺平均故障次數,求得了長期單位時間內的平均故障次數Also a special diagnosis system for the cylinder scoring malfunction of internal combustion engine has been briefly set up. it realizes the numerical simulation of bi - dimensioned and tri - dimensioned cycling instantaneous temperature field for the diesel engine type 4135 and the simulation animated demonstration of the thermal deformation and cylinder scoring malfunction
並且還初步建立了內燃機拉缸故障診斷分析型專繫系統,實現了4135柴油機二維、三維循環瞬態溫度場的數值模擬、熱變形和拉缸故障的模擬動畫演示。This thesis measured the vibration signals of 1 # and 2 # running turbine - generator sets in a generating plant and their vibration signals that are indispensable to the study are gained. firstly, the low frequency faults of machine stand in generator side, rotor unbalance, misalignment, oil whirl, oil whip are diagnosed by fft analysis. secondly, applying wavelet theory to probing the instantaneous abnormal phenomena of the signals and to show their components
首先應用fft分析診斷出1 #和2 #汽輪發電機組存在的發電機側機座松動、轉子失衡、不對中、油膜渦動、油膜振蕩等故障,再運用小波分析探測信號中的瞬態反常現象並展示其成分,比較精確地診斷出了該發電廠運行中的1 #和2 #汽輪發電機組存在的碰摩故障。Regarding the discrete magnetic vector potential and loop currents as the state variables, and combining the fem with the multi - loop method, a mathematical model of the synchronous machine with internal faults is set up in this paper
本文以矢量磁位和迴路電流為求解變量,把電機的電磁場方程與反映繞組聯接情況的電路方程聯立起來同時求解,提出了同步發電機定子繞組內部故障的瞬態電磁場與多迴路耦合的數學模型。The transient power supply current ( iddt ) testing can detect some faults undetectable by any other test method, and increase fault coverage
瞬態電流測試方法可以測試一些其他測試方法無法檢測的故障,進一步提高故障覆蓋率。The stuck - open faults are simulated concurrently based on iddt testing with the test pattern pairs generated above
利用測試生成的向量對,採用瞬態電流測試方法對開路故障進行並發故障模擬。All collected data is transmitted to portable computer through parallel port by epp protocol, so diesel working status can be test in field and diesel ' s fault can be diagnosed without disassembly
該儀器只有兩種傳感器,採用基於單片機的數據採集箱高速採集柴油機瞬時轉速和油管壓力信號,使用便攜式電腦通過并行介面以epp協議進行數據採集控制和分析,以實現對柴油機工作狀態的現場檢測與不解體故障診斷。Based on the analysis and research on fan algorithm, an iddt test pattern generation algorithm for stuck - open faults is present. in the case of ignoring hazards, for the stuck - open faults in cmos circuits, the feasibility of transient current test generation based on fan algorithm is discussed
本文採用啟發式搜索的方法,基於對fan演算法的分析,在不考慮冒險的情況下對于cmos電路中的開路故障,探討了利用fan演算法進行瞬態電流測試生成的可能性。For the convenience of test, varied circuit chip defects caused by the production process are abstracted as all kinds of models. at present the commonly used fault models mainly consist of stuck - at fault, stuck - open fault, bridge fault, store fault, delay fault, etc. testing methods based on voltage testing mainly aim at stuck - at fault model and have also obtained satisfactory result in research for many years. bridge fault is tested easily by quiescent power supply current ( iddq ) testing method. in regard to stuck - open fault that is difficult to testd by quiescent power supply current ( iddq ) and voltage testing, it can is tested by the dynamic current ( iddt ) testing
為了便於測試,我們將生產過程中集成電路出現的多種多樣的缺陷抽象為各種模型。目前常用的故障模型主要有:固定故障,開路故障,橋接故障,存儲故障,時滯故障等。電壓測試主要針對固定型故障模型,多年的研究也取得了令人滿意的結果; cmos電路中的橋接故障則宜用穩態電流測試方法( iddq )測試;對于電壓和穩態電流難以測試的開路故障,可以使用瞬態電流測試( iddt )的方法進行測試。In this paper an fault simulator for iddt testing is presented, which can detect concurrently the multi - faults. due to the subtle error among equipment manufacturing, the gate delays of circuits are not the same but range within limits. which induces the uncertainty of the waveform transforming time
本文從故障激活的條件入手,利用五值邏輯,對瞬態電流測試中的延時變化進行波形分析和波形計算,採用並發模擬演算法,編程實現了一個iddt測試的故障模擬器。實際電路中由於製造工藝的限制,邏輯門的延時並不相同,而是在一定范圍內變化,引起波形變化的時間不確定。It has high resolution of frequency and low resolution of time in low frequency part this characteristic is fit to probe normal signal with instantaneous abnormal phenomenon and show its components. so, wavelet transformation is seen as signal microscope. there is good effect to detect malfunction in dynamic system by means of continuous wavelet transformation
這很適合於探測正常信號中夾帶的瞬態反常現象並展示其成分,所以被譽為分析信號的顯微鏡,利用連續小波變換進行動態系統故障檢測與診斷具有良好的效果。And to the electric capacity type voltage mutual inductor, because it compares with electromagnetic type voltage mutual inductor, transient state its bad to respond characteristic, as circuit when making the short circuit two times trouble, the voltage two times delays dropping to zero while needing to pass certain one
而對于電容式電壓互感器,由於它與電磁式電壓互感器相比,其瞬態響應特性比較差,當線路故障而使二次短路時,二次電壓需經過一定的時延後才能下降到零。Dynamic current monitor reflects transient loading current instantly to judge the faulty parts of mobile circuit board easily
動態電流監測器能瞬時反映出負載跳變狀態,更容易判斷手機板的故障部份。Coulomb friction model with high accuracy is proposed so that more accurate equations of motion can be established for the transient response of the single - disk rotor which drops onto the back - up bearing as soon as amb shuts down
摘要就磁軸承發生故障時轉子墜入備用軸承所?生的非線性瞬態響應,提出了摩擦力的計算模型,從理論上建立了更為精確的運動微分方程。A coulomb friction model with high accuracy is proposed so that more accurate equations of motion can be established for the transient response of the single - disk rotor which drops onto the back - up bearing as soon as amb shuts down
摘要就磁軸承發生故障時轉子墜入備用軸承所?生的非線性瞬態響應,提出了摩擦力的計算模型,從理論上建立了更為精確的運動微分方程。Introduced the antijamming in the numerical control system design, from the shield ( including electric field shield, magnetic screen and electromagnetic field shield ) designs mentions, added the absorbing circuit to the perceptual load to suppress the transient state noise to give the specify, might avoid the numerical control system which disturbed creates " softly " the breakdown
摘要介紹數控系統中的抗干擾技術,對屏蔽(包括電場屏蔽,磁場屏蔽和電磁場屏蔽,正確的布線方式)和感性負載加吸收電路來抑制瞬態噪聲做了詳細說明,可避免干擾造成的數控系統的「軟」故障。分享友人