流速傳感器 的英文怎麼說
中文拼音 [liúsùzhuàngǎnqì]
流速傳感器
英文
flow transducer- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 傳 : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
- 感 : Ⅰ動詞1 (覺得) feel; sense 2 (懷有謝意) be grateful; be obliged; appreciate 3 (感動) move; t...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 流速 : [機械工程] velocity of flow; strength; [水文] current velocity; current speed; flow rate流速管 pi...
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Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor
在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上,通過系統建模和數字模擬分析,分別針對航空低壓直流( lvdc )和高壓直流( hvdc )兩種電動機構用永磁無刷電動機,在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究,提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。Mems ( micro electromechanical system ) has become one of the most rapidly development technologies. along with the rapid development of mems techniques, capacitive sensor is used widely whose capacitance changes small, which has put forward the new request to the measurement technique. the common measure for capacitance measurement is that convert capacitance to voltage, electric current or frequency. the area of polar plate of the capacitor becomes smaller and smaller, and the total capacitance of micro capacitive sensor is usually several pico farad only. as a result, its change amount is smaller
Mems ( microelectromechanicalsystem )近年來發展最快的技術之一,隨著mems技術的快速發展,電容式加速度計的電容變化變化量越來越小,對檢測技術提出了新的要求。在電容式傳感器中,常用電容檢測電路是將其轉換為電壓、電流或者頻率信號。目前的微型電容傳感器的極板面積變得越來越小,電容總量只有幾個pf ,變化量就更小。A piezoelectric fluidic angular rate sensor ( pears ) is a kind of flow sensor. in this thesis peats were researched
Cjsys - a5型壓電射流角速度傳感器(以下簡稱壓電射流角速度傳感器)屬于氣流式傳感器,本學位論文對壓電射流角速度傳感器進行了研究。This kind of sensor can be used to measure the angle of the inclined plane and the acceleration
它可以用來測量斜面的傾斜角,兼可以測量加速度。磁流體傾斜角傳感器的研究還處于初級階段。Experiments on the gas flow patterns in the flowmeter prove that the algorithm used in arm digital gas mass flowmeter is capable of significantly improving the sensitivity of the heat sensor, hence superior in terms of the measurement of gas mass flow
並將此演算法應用於以arm處理器為核心的數字式氣體質量流量計中實驗證明,該方法能夠明顯改善熱式傳感器的動態響應速度,實現其快速補償。In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology
為使二維振動傳感器在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data
為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規律,並耦合進氣畸變的影響,同時與壓氣機氣動性能和氣動穩定性相關聯,作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機( lsc )試驗器,採取在靜子葉片表面埋入動態壓力傳感器的實驗方法,對葉尖、葉中和葉根三個截面的動態壓力進行了測量,獲得了大量的可靠的實驗數據。For the advantages of glucose biosensors are obvious : high specificity, short time, simplicity and low cost of analysis, etc. one of the developments of glucose biosensor is the third generation amperometric enzyme electrode with direct electron transfer, which is commonly prepared by conducting organic salts and conducting polymers
葡萄糖生物傳感器具有選擇性高、簡便、快速的特點,是檢測葡萄糖濃度最常用的方法。為提高傳感器的性能,一個發展方向是制備直接電子傳遞的第三代電流型葡萄糖生物傳感器。目前把利用導電聚合物或導電有機鹽制備的酶電極叫做直接電子傳遞的生物傳感器。All gulifa products must be able to satify the demands of customers according to the requirements of drawings and standards offered by them. to realize improvement of product quality, protection good after - sale service system. let is make efforts for the splendid future of electric power industry and brilliant tomorrow of the company
傳感器是工業自動化必不可少的關鍵部位,被廣泛應用於各種機械機床製造業及紡織造紙煙草輕工食品化工礦山冶金等行業,作限位定位檢測,自動計數,測速,自動保護,工業生產自動流水線及微機信號,數控裝置等應用,對提高自控系統先進性和可靠性,具有巨大作用。Along with the advance of transport platform and communication technology, there is high potential and feasibility to build a 3 dimension mobile system for monitoring the global atmosphere and its environment by using commercial transport platforms such as airplane, ship, train and autobus
隨著交通和通信技術的快速發展,利用民用的交通運輸工具(主要是商船、民航飛機、火車甚至長途汽車) ,加裝大氣環境監測傳感器,逐步建立海陸空三位一體的流動大氣環境監測系統已成為可能。This method can rapidly extract speed law from starting current of dc motor with fairly good precision, and thus the torque - speed characteristic can be acquired
並通過提取直流電機起動過程電流信號的瞬時頻率有效地研製了一套無轉矩轉速傳感器直流電機的快速測試系統。( 6 ) new type water gauge and infrared modulated propeller type micro current meter are developed, and collective acquisition of distributed velocities is realized
( 6 )研製出aw遠傳振動針式水位儀,新型紅外調制流速傳感器等新儀器、新設備,實現了分散式流速的集中採集。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。It can automatically match rotational speed generator, electromagnetic rotational speed sensor and electromagnetic turbine flowmeter. moreover it can adapted measured signal that is 1v ~ 300v voltage and 1hz ~ 2500hz frequency
能自動匹配測速發電機、電磁式測速傳感器和電磁渦輪流量計,適應電壓峰峰值從1伏以下至300多伏、頻率從1hz以下至2500hz以上的被測信號。About us the kefeng sensor co. is the profession be engaged in the sensor " s research, development and manufacture the factoryautomation and process automation produce, to the factory automation applic ation high technique sensor the photoelectric switch, the proximity switch, the hall switch, the capacitan
按功能有車速傳感器轉速傳感器曲軸位置傳感器速度傳感器相位傳感器流量傳感器爆振傳感器溫度傳感器前輪傳感器后輪傳感器壓力傳感器節氣門傳感器並可為客戶承製特種傳感器等等。Electron transfer mediators are involved to circumvent these disadvantages. the mediators include ferrocene and its derivatives, potassium hexacyanoferrate and tetrathiafulvalene. water - soluble dyes such as methylene blue, neutral red, toluidine blue and methyl viologen have also been used as mediators in solution because of their high electron transfer efficiency and low cost
近年來,第二代電流型酶傳感器以一些電子媒介體如二茂鐵及其衍生物等代替氧,加強了酶與電極間的直接電子傳輸,起到了酶與電極間的電子開閉器作用,加速了電極反應,降低了環境干擾,克服了第一代電流型傳感器的上述缺點。Flow measurement method of pipe for gas drainage. measurement method of mean velocity tube flow transducer
抽放瓦斯管道流量測定方法.均速管流量傳感器測定方法Development of low velocity gas flow sensor
一種低流速氣體流量傳感器的研製In the hardware level, the system acquires motor armature current by wb current sensor and pci - 1202 card. hence wb current sensor, peripheral driving circuits, pc - 1202 card and its interfaces are respectively discussed in detail in the paper. as a perfect example of the new pattern testing system previously mentioned, the system has distinct advantages because it fully exploits abundant resources and rapid speed of pcs
論文中介紹了一種無轉矩轉速傳感器直流電機快速測試系統,在硬體上,本系統由wb電流傳感器與pci - 1202數據採集卡共同完成電樞電流數據採集功能,論文詳細討論了wb電流傳感器,外圍驅動電路, pci - 1202數據採集卡及其與pc機的介面及其編程等等與軟硬體有關的問題。To improve the spraying result of middle and small orchard pesticide sprayer, a monitor system based on single - chip microcomputer is developed, consisting of pressure sensor, flow sensor, speed sensor and level sensor
摘要為提高果園中小型機動農藥噴霧機的噴霧效果,以單片機為核心,採用壓力傳感器、流量傳感器、速度傳感器和液位傳感器,研製了果園機動農藥噴霧機監測系統。分享友人