水下傳感器 的英文怎麼說
中文拼音 [shuǐxiàzhuàngǎnqì]
水下傳感器
英文
underwater se or- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 下 : 下動詞1. (用在動詞后,表示由高處到低處) 2. (用在動詞后, 表示有空間, 能容納) 3. (用在動詞后, 表示動作的完成或結果)
- 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
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During the adjustment. it decided the amount and the rate of humidification. the system can test the states of water level by water lever sensor, thereby the main control module can control the entrance and drain of water and give warnings ; as its good man - machine interaction, the system can expediently set the humidity and the amount of humidification and control water - in valve and leading winds through control panel. the system can communicate with computer thereby the net supervise is enabled
本系統主要能夠完成以下功能:採集空氣中的濕度狀態,並送入主控模塊,主控模塊根據現有的濕度判斷是保持原來狀態還是進行加濕以及加濕量的大小和加濕速度等;能夠通過水位傳感器測試水位的狀態,從而通過主控模塊控制進水、排水、預報警、報警等;具有良好的人機交互性,能夠通過控制面板比較方便地進行濕度設定、加濕量設定、進水閥的控制、導風的控制等;能夠和上位機進行通信,從而實現網路監控。In this paper, the main research works are as follows : 1 ) survey and analysis previous work in auv navigation and summarize : as the cumulate error, the dead - reckoning and inertial navigation systems ca n ' t be used without other modified system ; the acoustic navigation system is used only in small range, and is very expensive. 2 ) two important approaches in geophysical navigation techniques are summarized, one is terrain contour based navigation, this approach is investigated keystone today ; the other is image based navigation, due to no perfect image sensors and image seabed map, this approach has seldom been practised. 3 ) two important terrain contour based navigation algorithms has been applied to auv, one is match algorithm - based terrain contour match ( tercom ) ; the other is kalman filter - based sandia inertia terrain - aided navigation ( sitan )
主要研究內容包括:一、總結分析了當前水下導航的常用方法和不足之處,指出基於航位推算的導航方法,存在著最大的問題就是導航誤差的積累問題,如果沒有修正系統,這種方法很難滿足使用要求;其次指出基於聲學的導航方法,造價昂貴,導航范圍有限,難以滿足自主水下航行器大范圍導航的需求;二、總結了當前水下地形輔助導航的主要技術路線,一是基於地形高程的匹配方法,這是當前研究的重點;二是基於地形圖像的匹配方法,由於缺乏良好的圖像傳感器,和可用的海底圖像地圖,目前這種方法還有待研究發展;三、將兩種地形高程匹配的常用方法應用到自主水下航行器上:以相關演算法為前提的地形輪廓匹配( tercom )方法和以卡爾曼濾波為基礎的桑迪亞慣性地形輔助導航( sitan )方法,前者演算法簡單可靠,但是導航精度不高,後者雖然精度比較高,但存在著演算法較為復雜、有可能發散和出現奇異值等問題。This paper introduces the development process of wastewater disposal, it ' s auto control system, the level of nowadays and several new techniques of china and foreign countries. the immanent structure, control rules, main features and design methods of auto control systems in wastewater disposal process are studied in this paper. aiming at four typical parameters, such as temperature, dissolved oxygen, ph and the planes of water, the distributed control system is designed, composed by pc called epigyny computer and scm 8098 called hypogyny computer, and some sensors, shift deliver utensils and related meet orifices of parameters gathering and figures communication
本文介紹了國內外污水處理及其自動控制系統的發展過程、當今水平和提高自動化程度的若干新技術;研究了污水處理自動控制系統的內在結構、控制規律、主要特點和設計方法;選取污水處理中的典型參數溫度、溶解氧、 ph值和液位等為控制對象,設計了以個人計算機為上位機、以8098單片機為下位機,並輔之以傳感器、變送器及相關介面單元所構成的二級集散控制系統( dcs ) ;介紹了幾個主要程序模塊的設計思路、工作過程,這些程序模塊是:用高級語言visualbasic6 . 0開發的上位機人機交互界面程序、數據處理和圖表輸出程序,用執行效率高的匯編語言開發的下位機數據採集與系統監控程序、上位機與下位機之間的數據通信程序,匯編語言與vb之間的轉接程序,等等。Under the support of federal aghcuiturai research center ( fal ) of germany, a series of experimeflts had been done to compare swr sensor with tdr sensor made by germany and fd sensor made by holland. the results showed that the performance of the swr sensor is as good as other sensors. ln addition, the result further showed that the swr sensor have excellent results in every kinds of soil texture
在德國聯邦農科院的技術與生物系統研究所( fal )的資助下,做了swr型與tdr型、 fd型土壤水分傳感器的性能對比研究,結果進一步表明swr型土壤水分傳感器的測量結果不僅受土質的影響不明顯,而且說明swr型土壤水分傳感器的性能與國外同類傳感器相當。Application of fbg sensors in under - water structure project
傳感器在水下結構工程中的應用So, in this thesis research, the information fusion is not only a data disposal process from lowers to higher, but also the feedback from higher to lower, that means the higher takes part in the d ata fusion of lower. simulations and trials validate all these methods and the results of these show that it is very effective to improve the control performance of auv by applying data fusion technology to the motion control system
本文通過水下機器人的模擬試驗和海上智能作業試驗進行驗證,試驗結果表明,將多傳感器信息融合技術應用到水下機器人的運動控制系統中,提高了整個控制系統的可靠性和保障水下機器人的安全航行和完成任務,促進水下機器人智能控制技術的發展。What is mainly discussed in this dissertation is as follows : the fault mechanism and vibration frequency feature of hydroelectric vibration are analyzed, induced and reorganized. the select and placement of detecting positions of parameters such as vibration, swing and pressure pulsation are researched, and the corresponding sensors are selected to monitor
本文主要進行了以下工作:分析、歸納和整理了水電機組振動的故障機理和振動頻率特徵,對機組的振動、擺度和壓力脈動測點進行了選擇和布置,並選用相應傳感器進行監測。An energy - efficient routing protocol for underwater acoustic sensor networks
一種能量高效的水下傳感器網路路由協議The results show that fbg sensors have outstanding waterproof capability, high measurement precision, better long - term stability and more remote transmission signal, so fbg sensing technology is a reliant and effectual instrument for under - water structure project monitoring
開展的光纖光柵應變、溫度傳感器在水下工程領域中較大規模的應用研究結果表明: fbg具有很好的防水性能,測試精度高,長期穩定性好,信號傳輸距離遠,為水下結構的長期監測提供了一種可靠有效的手段。A kind of capacitor sensor to make computer - based measurements to level angle is designed. it is with the aid of artificial neural network that we can non - linearity map the level angle with the output values regarding to the changing environmental conditions
利用電容式傳感器實現水平偏轉角度的計算機檢測,在考慮環境條件變化的情況下,利用人工神經網路實現偏轉角與輸出量值的非線性映射。Abstract : a kind of capacitor sensor to make computer - based measurements to level angle is designed. it is with the aid of artificial neural network that we can non - linearity map the level angle with the output values regarding to the changing environmental conditions
文摘:利用電容式傳感器實現水平偏轉角度的計算機檢測,在考慮環境條件變化的情況下,利用人工神經網路實現偏轉角與輸出量值的非線性映射。This theoretic model employs the basic idea of correlation measurement, achieve the density wave speed by the correlation of the signals of upper and lower sensors, and get the total flow rate and water cut through the theoretic relationship of density wave speed and total flow rate as well as holdup with the help of drift flux model so as to accomplish the oil / water two - phase flow measurement at last, using the limited available experiment data, the theoretic model has been simplified into an applicable linear alternative which is suitable to homogeneous oil / water two - phase flow measurement to accomplish the oil / water two - phase flow measurement using the density wave phenomena is of highly theoretically valuable for density wave theory research as well as oilavater two - phase flow measurement research. to develop new type oil / water two - phase flow instrumentation based on this theoretic measurement method will be very applicable and promising
在此基礎上,針對穩態密度波理論提出了基於密度波理論的油水兩相流測量理論模型,該模型以密度波傳播理論作為基礎,通過上下游傳感器信號相關獲得密度波傳播速度,利用密度波傳播速度與總流量以及持相率的理論關系結合漂移模型來求解總流量和含相率,實現油水兩相流的測量,在理論分析的基礎上,在實驗資料有限的條件下,對基於密度波理論的油水兩相流測量理論模型作了極限的簡化,提出了本文油水兩相流測量理論方法應用在測量均勻油水兩相流中的實用線性模型。Spurt water column not only is a good coupling medium of ultrasonic, but also can get rid of impurity, such as power, vapor and oil film on the surface of the measured object, so this sensor can adapt various environments
因為水柱不僅是超聲波傳播的良好介質,還可將被測物表面的粉塵、水汽、油膜等雜質吹走,使系統具有良好的環境適應能力。在惡劣環境下進行位移測量時,該傳感器具有其他儀器不可比擬的優越性。According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system
針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。Dead reckoning navigation needs little space, but has high precision. the paper solves the navigation system of " tset - 1 " auv based on the sensors available, and a compact soft has been developed. some experience has gotten during the song hua lake " s test
本文針對「試驗- 1號」小型機器人導航系統要求和傳感器的配備情況,從工程實用性出發,完成了導航軟體的開發,並進行了松花湖試驗,這為今後水下機器人導航系統的研究與應用提供了有益的借鑒,積累了一定的經驗。A vector hydrophone is composed of two or three spatially co - located but orthogonally oriented velocity hydrophones plus another optional co - located pressure hydrophone. this paper introduces an underwater acoustic eigenstructure esprit - based algorithm that yields closed - form direction - of - arrival ( doa ) estimates using a single vector hydrophone
矢量水聽器是由質點振速傳感器和聲壓傳感器復合而成的,相對于傳統的聲壓水聽器,可以獲取水下聲矢量信號,為水下信號的檢測和估計提供了更為豐富的聲場信息。This system use the floater style sensor, mechanical encoder to get water - level signal, and use the at89c51 single chip system to transform the signal into water - level data, use modem through pstn to transmit data for a long - distance, and designed a information management software system hi the irrigation works bureau information center for communication and data management. the structure of the system was discussed in the thesis
該系統使用浮子式傳感器、機械式編碼器獲取水位信號,利用at89c51單片機系統採集水位數據(簡稱:下位機系統) ,採用數據機、通過公共電話網( pstn )遠程傳輸數據,並在泰興市水務局信息中心通過主控計算機(簡稱:上位機)進行通信及信息系統管理。7 stojmenovi c i. geocasting with guaranteed delivery in sensor networks. ieee wireless communications, december 2004, 11 : 29 - 37. 8 estrin d, govindan r, heidemann j, kumar s. next century challenges : scalable coordination in sensor networks
出於優化電池使用的需要,在floodnet中每個傳感器節點的能量使用模式與本地的具體情況即該點傳感器電池的剩餘電量和傳送數據到下一傳感器節點所需要的電量和水災預測模型的要求即對每個傳感器所在點的數據重要性相適應。An overview of the vehicle design along with description of all major hardware components and sensors is given. the arithmetic of auv control and navigation system is discussed in the paper. the methods of the implementation of gps and electronic compass aided heading control is provided
設計了水下航行器的總體導航與控制方案:採用gps與磁通門傳感器相結合的路徑規劃與航向控制系統;以深度信息為參量的深度控制系統。Through theoretical analysis on the behavior of soil - water - system dielectrics, it is proved that the real parts of the dielectric constant under high frequency or microwave can be used to measure soil water content rapidly this method can get a lot of measurement results with high accuracy and wide applicabiiity in addition, the results are seidom affected by the spatiai variation of soil property as a further application of the above result, a soil moisture sensor based on standing wave ratio was developed
概括起來本文的研究內容主要有以下幾點: 1本文通過對土壤介電特性的理論分析,論證了利用高頻或微波段內的介電常數實部來快速測量土壤含水量是一種靈敏度高、適應面寬、受土壤理化特性空間變異影響較小的快速測量方法。為研製開發基於駐波率原理的swr型土壤水分傳感器奠定了基礎。分享友人