氣壓信號 的英文怎麼說
中文拼音 [qìyāxìnháo]
氣壓信號
英文
air pressure signal-
In this thesis, flow regime identification and malfunction diagnosis of fluidization were studied with fractal technology, the presented methods for both flow regime identification and malfunction diagnosis were proved of effectivity. main achievements are as following : 1. fractal brownian motion ( fbm ) was made from gauss noise and compared with pressure fluctuation signal of gas - solid fluidization, which demonstrated the similarity between the fbm and the signal
在通過fbm (分數布朗運動)數據模擬證明了氣固流化床壓力波動信號與分數布朗運動是相似的基礎上,提出了用分數布朗運動來模擬氣固流化床壓力波動信號,並採用r s分析法從信號時間序列中提取出hurst指數,通過分析信號hurst指數值對流化床流型和結塊故障進行了研究。The control system of furnace " s temperature has been widely used in every walk of life, as an important link of repair and manufacture of the electrical equipment such as electromotor transformer etc., soaking lacquer drying craft has some especial requests on drying crafto this article starts with the analysis of drying chamber " s configuration, analyzed its configuration limitation and control function limitation according to the factory " s situation and advances the conception of heated air drying circulation, in addition, this article adopts an intellectualize a / d module, a development sampling tuning - voltage circuit, and presents the method to measure online the insulation resistance of products in order to improve constantly products quality
而浸漆乾燥工藝作為電機、變壓器等電氣設備的修理、製造中的重要環節之一,對乾燥過程的質量要求有一定的特殊性。該文從乾燥爐的結構分析入手,聯繫到工廠的實際情況分析了結構功能缺陷和控制功能缺陷,提出了熱風循環乾燥的概念,同時,選擇了較為先進的a d板卡、熱電阻信號調理板等專業化智能卡,運用數字pid控制技術,構成了一個較有特色的計算機控制系統。此外,該文還從保證乾燥品質量的角度,採用智能化交流模塊和自製采樣調壓電路的方法,提出了在線檢測產修品的絕緣電阻的方法和手段,以確保企業產品質量不斷提高。Incondition of surface anti - corrision and insulation coat of metal and tiny hole of steel where resistance and crack is very small, when supplying a high voltage, gas crack will be punctured and electric spark discharging will occur, now send a pulse signal to the alarming circuit the alarmer can send out sound and light to alarm. we can do leak hunting on the coating according to this principle
金屬表面絕緣防腐層過薄、漏鐵及漏電微孔處的電阻值和氣隙密度都很小,當有高壓經過時就形成氣隙擊穿而產生火花放電,給報警電路產生一個脈沖信號,報警器發出聲光報警,根據這一原理達到防腐層檢漏目的。Modbus transducer is the key device in the system and is used to offer power supply of pressure and temperature sensor, to collect signal, to linearizate and compensate temperature, to calculate density, volume and mass, to transmit data to modbus network, and display the data. so the modbus transducer is a multi - parament measurement, intelligent control device which can manage multi - signal
變送器是系統的核心設備,其作用是為油罐溫度、壓力、液位、可燃氣濃度等傳感器供電,採集傳感器信號並進行線性化、溫度補償等處理,完成密度、體積和質量等參數計算,將數據輸出到modbus現場總線測控網路,根據需要現場顯示計測量參數。A novel low mechanical hysteretic ceramic capacitive pressure transducer has been made, by using of ceramic sealing technology ; integrate circuit ( ic ) technology and thick film plane fixing circuit technology. this transducer is made of a deformable ceramic diaphragm and a ceramic base plate, between which has an air cavum. a coaxial gold electrode was fired onto the diaphragm and the base plate
本文利用新型陶瓷技術、集成電路技術和厚膜平面安裝電路技術,採用零力學滯后的陶瓷和陶瓷密封材料進行設計製造了一種非充液乾式的電容式壓力傳感器,該壓力傳感器由較厚的陶瓷基體和較薄的陶瓷膜片構成,中間形成一空氣介質腔,在基座和膜片之間內置同軸的雙電極,組成兩個電容,當膜片承受壓力時發生位移,使電容量產生變化,經後置處理電路直接轉換為可輸出的直流電壓信號。Family secrets. guilt. shame. repressed anger. low self - esteem. compromising your own values to avoid another person ' s rejection or anger. those are just a few red flags of codependence
家庭秘密,內疚,羞愧,壓抑下的怒火,低自尊,為了避免對別人拒絕或生氣而損害到了自己的價值觀,這些只不過是相互依賴發出危險信號中的一些。The controllable ability of valve timing, duration, and lift in the haecvvs has been proved. the map of common rail pressure, duration of control signal and the peak lift, the map of common rail pressure, duration of control signal and valve event duration, the map of the combination ability of valve event duration and valve peak lift etc. have been obtained from the experiment
在研究了電控可變氣門系統氣門正時、氣門開啟持續期、氣門升程的可控性的基礎上,整理了共軌壓力、控制信號持續時間與氣門峰值升程的map圖,共軌壓力、控制信號與氣門開啟持續期的map圖,氣門升程與氣門開啟持續期配合范圍map圖。In this paper, basic pneumatic - measuring theory and air circuit system working principle are introduced. the pneumatic - electric transducer employs a mpx5500dp silicon pressure sensor which converts air pressure signal into voltage signal, and displays on the electron column after the signal conditional circuit ’ s processing
本課題從分析氣動測量的基礎理論入手,研究氣路系統的工作原理,用mpx5500dp擴散硅壓力傳感器將氣體壓力信號轉換為電壓信號,進而研製成功一種氣電轉換器。Feeding, ingate design, air discharge, position of signal wire were analysed and discussed, aiming at the several questions in production of low pressure casting
摘要根據低壓鑄造工藝的特點和生產實踐,從補縮、內澆道設計、排氣、信號線安放位置等方面進行了分析和探討。Sensitive element is one of the important to measure the concentration of mathane, and it " s export is a little voltage signal, little signal amplify circuit is to transform the analogue signal to digital signal, display circuit is to display the concentration of mathane, monitoring circuit is to monitor the overstep limit of mathane concentration. the feature is new design, accurately measure parameter, convenient to operate and so on
其中cpu是監控儀的核心,完成數據採集、處理、輸出、顯示等功能;敏感元件是準確檢測甲烷氣體含量的主要元件之一,其輸出是與甲烷濃度相對應的電壓信號;小信號放大電路則是用來放大敏感元件輸出的電壓信號; a d轉換電路把放大了的電壓信號由模擬信號變為數字信號送入cpu ;顯示電路則顯示實時甲烷濃度;報警電路對超限甲烷濃度進行報警。It first classifies power quality disturbancesinto stable one and transient one by wavelet ’ s multi - resolution analysis, and thencompresses the stable and transient disturbance signals by fourier transform andorthogonal wavelet packet transform, respectively
在此基礎上,提出一種針對復雜電氣信號的基於傅立葉變換和小波包變換的綜合電能質量擾動信號數據壓縮新方法。The signal sampling circuit fulfill the tasks of sampling signal and changing the double polarities signal to the single polarity signal ; the drive circuit receives the pwm signals from dsp and pass the signals to ipm through optical - couple devices ; the protective circuit safeguard the system against high current, high voltage, low voltage and high temperature on the ipm model
其中信號處理電路主要完成採集輸出電流和中間直流環節電壓信號,並對採集到的電流信號進行極性變換處理的功能;驅動電路接收dsp輸出的高頻驅動信號,通過耦合器件直接驅動ipm模塊;保護電路利用採集到電氣信號對整個系統實施保護,包括過電流、過電壓、欠電壓、 ipm模塊過熱等。Sampling theorem to periodic non - continuous signal from cavitation of piezoelectric pump
抽樣定理在周期性非連續信號的壓電泵氣穴現象中的應用方法This article starts with the following aspects to study and solve the following practical problems, 1 the foundation for vessels to keep away from and withstand typhoon the article briefly introduces typhoon ' s weather characteristics, weather structure, number, naming, forming, development and its law of movement. it also discusses the ways and significance for merchant ships to collect in all - round way the information of typhoon and to make spot forecast, doubts the applicability of " barometric daily change correction table ", and puts forward the author ' s view on the judging ways on the ship ' s location in gale circle. this chapter mainly discusses the process of decision - making and the application of technology, brings forward the concepts of the objective, the policy and the ship disaster plan and disaster supply kit. this chapter also approaches the juristical relationship between master and anti - typhoon team leaders, explains the concrete meassures and the keypoit on technological application, and points out the points to be discussed in sector means of typhoon avoidence
船舶避抗臺風基礎本文根據最新資料扼要地介紹了臺風的天氣特徵、天氣結構、編號、命名、形成、發展及其活動規律;討論了民用商船全面收集臺風信息和資料作出船舶現場預報的途徑及其重要意義,對「氣壓日變化訂正表」的適用性提出了質疑,並對船舶在臺風大風圈內所處部位的判定方法提出了自己的見解;本文重點論述了船舶避抗臺風的決策過程和技術應用,提出了船舶避抗臺風的目標、方針和船舶「防抗臺應急包」船舶避臺算機標繪的概念門x討了船k勺公司防抗臺領導小組在船舶防抗臺過甜中的法叫』大系, m述了避抗臺風汀仰拙施和技術的應用要點,井指出了「扇形避離法」的位徘商郴之處。The whole circuit ' s timing generation and synchronization was realized with cpld. as the channel of data transmitting, pof can isolate high voltage part and low voltage part efficiently. at the same time, a single chip processor was used to design a digital meter for the fiber current transducer
系統採用cpld實現整個工作電路的時序發生和同步協調,利用光纖實現高壓部分和低壓部分的完全電氣隔離和實現信號傳輸,採用單片機技術實現混合式光纖電流互感器專用數字顯示儀表的設計。Exhaust gas oxygen sensor ( ego ) which is installed in the exhaust pipe of the engine is a significant component in the electronic fuel injection. it has the ability to probe the concentration of oxygen in the exhaust pipe, and can transfer concentration signal to voltage signal which is passed to electronic control unit ( ecu ). in this way the air - fuel ratio can be controlled to the strait range of stoichiometrical point and the three - way catalytic converter consequently can work better
車用氧傳感器是電噴系統的關鍵部件,安裝在發動機的排氣管上,能夠探測排氣管中的氧氣的濃度,然後將濃度信號轉變成電壓信號並傳送給電控單元ecu ,從而把空燃比控制在理論空燃比附近,配合三元催化反應器進行后處理凈化。For the problem that on - line monitoring of primary air of direct firing pulverizing system ca n ' t be complete achieved, the chaotic properties of parameter change of two - phase flow in pipe is analyzed in the paper, according to the pressure difference signal of two - phase flow system
目前電站鍋爐直吹式制粉系統的一次風氣固兩相流流動狀態在線監測仍未得以實現,針對這一難題,本文首次基於管道內氣固兩相流差壓信號對其流動狀態變化的混沌特性進行理論研究。The experiment is done on pipes of diameter 20mm and 25mm, and pressure sample distance of 155mm and 1000mm
實驗在dn20和dn25的水平管氣液兩相流上進行,差壓信號的取壓距離分為155mm和1000mm 。The pressure difference signal was acquired under different air and pulverized coal flow condition on gas - solid test - bed. on the basis of studying chaos theory and its application, a set of software used to analyze characteristic numbers of chaotic time series is accomplished, deterministic chaos theory is applied to the pressure difference series by the software, and some preliminary conclusions are drawn. li yu ( thermal power engineering ) directed by prof. chen hongwei, prof. guan jinfeng
在氣固兩相流實驗臺上進行不同工況下的空氣和煤粉兩相流動試驗,採集得到差壓信號時間序列;在總結混沌理論及應用基礎上,編制一套較為完整的混沌時間序列特徵量分析軟體;使用該軟體,將確定性混沌理論應用在兩相流不同工況的差壓時間序列分析中,認為相空間吸引子圖和延遲時間可以用來對兩相流流動狀況進行定性的判斷。It is a direct acting and spring - loaded regulator, fail to open, with impulse connected, to be fitted downstream or optionally incorporated to the outlet flange
這是一個直接動作和彈簧負荷式減壓器,失敗即開,氣流信號感應可連接下游管線,或可選用內建介面在減壓器出口端的法蘭凸緣上。分享友人