速動測試法 的英文怎麼說
中文拼音 [sùdòngcèshìfǎ]
速動測試法
英文
quick method-
According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also
根據系統技術要求，採用單片機實現了混合式直流直線步進電動機的開環數字控制；利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定；利用細分控制技術保證了電機運行的平穩性，並進行了波形分析和理論研究；採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題；同時對主功率電路、驅動電路和系統保護電路進行了分析，完成了硬體設計、製作和軟體編程、調試，最後在混合式旋轉步進電動機上進行了全面測試。The numeric measurement of rotative velocity in the engine test
發動機試驗中轉速的數字測量方法Methods for calibration of vibration and shock pick - ups. resonance frequency testing of undamped accelerometers on a steel block
振動與沖擊傳感器的校準方法安裝在鋼塊上的無阻尼加速度計共振頻率測試Dynamic characteristic of the fan system was tested in this paper. the time constants of acceleration and deceleration was gotten and bode diagram of frequency response was presented. the results show that the frequency response of the system is satisfying in the range up to 0. 2 hz
本文對風機系統的動態特性進行了測試，得到了它的加減速時間，並通過譜分析法得到了系統的幅相頻響應曲線（ bode圖） ，結果表明系統在低於0 . 2赫茲范圍有較好的相應特性。Static ir drop analysis is independent with input vectors, so the speed is very fast. dynamic ir drop analysis is dependent on input vectors, so it ' s time consuming
摘要在分析方法上，靜態irdrop分析與測試矢量無關，速度很快；而動態irdrop分析是與測試矢量密切相關的，計算過程非常耗時。One special feature of this paper is that it provides fast implementation means for the all kinds of modular exponentiation algorithms, which facilitate the implementation of the rsa public key algorithms. the paper improved the sliding window algorithm by largely reducing the space complexity. meanwhile this paper represents an efficient combined algorithm to improve the processing of encryption and decryption
大數模冪乘運算是實現rsa等公鑰密碼的基本運算，其運行效率決定了rsa公鑰密碼的性能，文章主要研究了各種模冪演算法的快速實現方法，提出運用組合演算法的思想來減少演算法運行時間;並對滑動窗口取冪演算法進行了部分改進，用線性表來存儲預計算數據，從而減少了演算法的復雜度，進一步提高了rsa加/解密的效率，並在試驗測試中得到較為滿意的結果。Abstract : it is expounded the composition and detection method of the diagnostic system of dynamic failure for locomotive running gear. also discussed are the key technologies as ultrasonic resonance demodulation, identification of locomotive type & speed, message sampling of sensors tracing running mechanism and three dimensional diagnosis, as well as the feasibility test
文摘:闡述了機車走行部動態故障診斷系統的組成及檢測方法，介紹了超聲共振解調、車型車速識別、多個傳感器跟蹤運動機械的信息采樣、三維診斷等關鍵技術及其可行性試驗情況。At present, the infrared transmission spectroscopy is the best technique for determining whether jadeite is polymer - impregnated or not, and the infrared reflectance spectroscopy is a nondestructive and rapid determination method that provides mainly the fundamental frequency vibration spectra data of minerals and shows new application potentials in gemological research, especially in the identification of gem species
摘要紅外透過光譜技術是當前鑒別翡翠是否有聚合物充填的最好方法，而紅外反射光譜技術是一種快速、無損傷的測試方法，主要提供礦物的基頻振動光譜信息，在寶石學研究方面特別是鑒定寶石種屬方面顯示出新的應用可能性。These days, automatic measuring system has new approach for the computers a great deal application. improving the precision and speed of motor test, carrying motor identity testing and adopting new testing method becomes feasibility because of the technique of electron developed rapidly in latter - day
近年來，計算機的大量推廣應用為自動測試系統的發展開拓了新的途徑，近代電子技術的迅速發展又為提高電機試驗的精度和速度、進行電機特性測試及採用新的測試方法提供了可能性，進一步推動了電機測試技術的發展。Based on many references form civil and abroad, the author mainly studies the measurment theory and method for flux, raising height, axial power and rotational velocity. avoiding many complicated and intermediate courses for power wastage analysis, introduces the electric measurement and using efficiency curve of motor in measureing axial power, and satisfies the automatization of the device. the paper also provides a new method, inductive winding, in measuring rotational velocity of electromotor, supplys limitations of other method in measuring rotational velocity of electromotor in water, and meet practical needs in developing diving electric pump for corporation
作者在參閱大量國內外有關文獻，著重探討了水泵流量、揚程、軸功率、轉速的測試原理和測試方法，提出了採用電測法並結合電機效率特性曲線測量水泵軸功率，從而避免了損耗分析法中大量復雜的中間過程，滿足了試驗裝置的自動化測量要求；採用漏磁感應線圈法測量電機轉速，彌補了其它轉速測量方法對水下電機測試的局限性，適應了萊恩公司開發潛水電泵的實際需要。Aiming at the high - speed impact characteristics of fuze pressure sensor when the percussion of the projectile, according to the requirement of developing fuze pressure sensor, the method of anti - ballistic simulation was adopted to design a suit of performance measuring device it could dynamically calibrate and simulate the process of collision between the projectile and the targets at the different angles and speeds
摘要針對引信壓力傳感器在彈丸著發時處于高速沖擊狀態的特點，根據研製引信壓力傳感器的要求，採用反彈道模擬的方法，設計了一套既可對傳感器進行動態標定又可模擬彈丸以不同著角、不同速度碰撞目標時對傳感器進行性能測試的裝置。Up to now, the current velocity measurement methods can only generally be used to determine the average velocity of a moving object between two points
目前速度的測試方法一般僅能確定運動物體在兩點間的平均速度，瞬時速度的連續測試方法在國內尚未得到足夠的開發和應用。08. 03 test method for flow rates for poly vinyl chloride and rheologically unstable thermoplastics
聚氯乙烯及流變的不穩定熱塑物質流動速率測試方法Taking dc motor test as an example, a creative idea of applications of some advanced signal processing tools, such as time - frequency analysis, wavelet, and instantaneous frequency ( if ) evaluation, in motor testing field is presented. the paper systematically summarizes basic theories of time - frequency analysis and wavelet transform based on which an in - depth research of effective if evaluation based on wavelet ridge and wavelet curve is carried out. in the end a fast t - n characteristic testing system with neither torque nor speed sensor is successfully developed
本論文主要關注小波分析在電機性能自動測試系統中的應用，針對傳統電機測試系統以及信號處理技術在電機測試領域中應用的不足，以直流電機為例，提出了將時頻分析、小波包變換以及基於小波脊的瞬時頻率提取方法應用到電機測試領域的新思路；較系統地總結了時頻分析和小波變換的基本理論，深入探討了基於小波脊線和小波曲線的瞬時頻率提取，並成功開發了基於正交小波包分析和基於小波脊線的瞬時頻率提取的無轉矩轉速傳感器的直流電機快速測試系統。The spread of the computer make the development of the automatic testing system more quick in the near future. at the same time, the developing electronic technology made the testing precision more higher, promoted the development of the automatic testing system. so we began to research on the automatic testing system
近年來，計算機的大量推廣應用為自動測試系統的發展開拓了新的途徑，近代電子技術的迅速發展又為提高電機試驗的精度和速度、進行動態特性測試及採用新的測試方法提供了可能性，進一步推動了電機測試技術的發展。In the test, static - dynamic method is used to measure the stiffness, the eight stiffness coefficients of the radial part and the two stiffness coefficients of the thrust part can be obtained though loading slowly to the testing bearing which is in a equilibrium position
首先，對處于平衡位置的測試軸承分別沿水平方向、鉛垂方向及軸向緩慢施加載荷，根據靜動法原理求得各個轉速下測試軸承徑向部分內、外膜8個剛度系數以及推力部分內、外膜2個剛度系數。Experimental results show that more than 20 % stuck - open faults in part of is85 and iscas89 circuits can produce 2. 5 times iddr variation, and then can be detected by iddt testing
實驗結果表明，電路中相當一部分故障是i _ （ ddt ）可測的。並與以前的自動測試產生演算法做了比較，此演算法穩定性好、速度快且可測性測度值好。Due to the distinct superiority of wavelet transform ( wt ) and wavelet packet transform ( wpt ) in time - frequency analysis of non - stationary signals, instantaneous frequency law can be obtained directly from amplitude of wpt coefficients. thus an indirect t - n characteristic testing method can be implemented with satisfying precision
該系統可以作為基於pc機與數據採集卡的自動測試系統的一個很好的例子，它充分利用了pc機豐富的計算資源與快速的運算速度，在間接法測試中具有獨到的優勢。Through analyzing a lot of tested data of seismic waves from deep - hole blastings at a different angle, the changing rules and influence factors of such main parameters as frequency, amplitude and lasting - time of blasting seismic waves propagating in a rock medium are obtained, and the empiral formulas for calculating the amplitude of blasting seismic wave acceleration are fitted out by binary regression
通過從不同角度對大量的深孔爆破地震動測試數據的分析，得到了巖石中爆破地震波傳播的頻率、幅值和持續時間等主要參數的變化規律以及它們的影響因素，並通過二元回歸法，擬合出計算爆破地震波加速度幅值的經驗公式。Firstly, based on the developed vibration testing method, a method for monitoring abrasion fault on main bearing of reciprocating engine using noise measurement is presented. it can avoid the trouble of vibration method that needs disassemble engines for placing acceleration sensors and selection of the position of sensors
首先，本文在振動測試方法已較成熟的基礎上，提出了採用機體外噪聲測量的方法來採集含有主軸承磨損故障信息的噪聲信號，避免了主軸承振動測量中，需要將機體拆卸來安裝加速度傳感器，以及需要選擇好傳感器位置的麻煩。分享友人