系統壓力診斷 的英文怎麼說
中文拼音 [xìtǒngyālìzhěnduàn]
系統壓力診斷
英文
system pressure diagnosis- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 壓 : 壓構詞成分。
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 診 : 動詞(診察) examine (a patient)
- 斷 : Ⅰ動詞1 (分成段) break; snap 2 (斷絕;隔斷) break off; cut off; stop 3 (戒除) give up; abstai...
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
- 診斷 : diagnose; diagnosis; diacrisis
-
This paper discusses the designing and making of the dynamic testing systems of engine electronic control system. base on the construction and operation principle of santana 2000gsi m3. 8. 2 engine electronic control systems, design and manufacture led circuit of dynamic testing and fault imitating electronic control unit. on the inspect board, design and equip with motronic 3. 8. 2 ecu i / o measuring joints, design and set up obd - ii diagnostic communication link, design and install fuel pressure inspecting meter. depend on the obd - ii diagnostic communication link and ecu i / o measuring joints, this dynamic testing system can inspect engine electronic fuel injection system, distributorless ignition system, idle speed control system and evaporative emission control system, and can inspect m3. 8. 2 sensors, ecu and actuators, and can interrogate fault memory and erase fault memory ; and can analyse data stream ; and can carry out fault imitating. besides, this paper analyses sensors and actuators typical fault w aves
2電控單元電路連接器設計製成輸入輸出電子控制檢測端子,並在檢測面板上布置了obd -診斷插座和燃油壓力表。使該動態測試系統能實現對電噴發動機的燃油系統、直接點火系統、怠速控制系統和燃油蒸氣排放控制系統的動態檢測;並通過obd -診斷座、 ecu輸入輸出檢測端子和故障模擬處理單元實現對電噴發動機電控系統各傳感器、電控單元、執行器進行故障碼讀取與清除;動態數據讀取和波形測試和故障模擬等。此外,本論文還分析了傳感器和執行器典型故障波形。With the deveiopment of hydraulic technology, hydraulic system and hydraulicequipment are more complicated, hydraulic technology is more widely and morecomp1icatedly used in agricultural machine and their malfunction is more difficu1t to bedetected. fault diagnosis of hydraulic system is not as apt to be observed as that of themechanical equipmeflt or is not as easy to be detected as that of electric equipmeflt bymu1tipurpose meter or other meters. flux meter gage and pressure gage ca n ' t meet the needof fault diagnosis for hydraulic system because its working medium and workingcomponents are hiding inside the sealed vessel
隨著液壓技術的發展,液壓系統及液壓設備越來越復雜,液壓技術在農機上的應用也變得廣泛而復雜,農機液壓系統的故障診斷也越來越困難,液壓系統的故障診斷不象機械設備那樣直觀,也不象電氣設備那樣通過萬用表等儀器測得,液壓系統的工作介質和工作部件都在密閉的容腔內,流量計、壓力表等測量儀器遠遠不能滿足故障診斷的需求。Utilising dissolved gases analysis, a new insulation fault diagnosis method for power transformers is proposed. this method is based on the group grey relational grade analysis method. first, according to the fault type and grey reference sequence structure, some typical fault samples are divided into several sets of grey reference sequences. these sets are structured as one grey reference sequence group. secondly, according to a new calculation method of the grey relational coefficient, the individual relational coefficient and grade are computed. then according to the given calculation method for the group grey relation grade, the group grey relational grade is computed and the group grey relational grade matrix is structured. finally, according to the relational sequence, the insulation fault is identified for power transformers. the results of a large quantity of instant analyses show that the proposed method has higher diagnosis accuracy and reliability than the three - ratio method and the traditional grey relational method. it has good classified diagnosis ability and reliability
基於變壓器油中溶解氣體分析,提出了一種基於群灰色關聯度分析的變壓器絕緣故障診斷新方法.首先根據故障類型與灰色參考序列構造,選擇變壓器典型故障樣本構造多組參考序列,這些參考序列組構成一個灰色參考序列群.其次根據給出的新的關聯系數計算方法,計算個體關聯系數和關聯度.然後根據給出的群灰色關聯度計算方法,計算群灰色關聯度和構造群灰色關聯度矩陣.最後根據關聯序識別變壓器絕緣故障診斷.通過大量變壓器絕緣故障診斷實例分析,所提方法診斷準確性與可靠性優於三比值法和傳統的灰色關聯分析方法,具有較好的分類診斷能力和可靠性Based on the analysis of pressure transient change within the oil transfer pipeline, a real time pressure model of oil pipeline is set up. software and hardware of the diagnosing system for leak detection & location were developed and the indoor experiment as well as site test was performed
本文對輸油管道壓力瞬變過程進行了分析,建立了管道壓力實時模型,研製出輸油管道的泄漏故障實時診斷系統的軟、硬體,完成輸油管道泄漏檢測及定位的室內試驗和現場試驗。A new method is put forward on thermodynamics combustion model to make imitating research on egr - a software is made to calculate the amount of no from the gasoline by connecting with the practical condition in our country, starting with thermodynamics and experiment at the same time make a system research to influence by the exhaust gas returning system on the gasoline, such as exhaust gas, fuel economy, and power, finally a new thought is afforded for optimizing all the egr parameter in chapter 6
第五章採用上述診斷和預測模型對bj492q發動機進行了模擬計算和實驗研究,並探討了點火提前角、殘余廢氣系數、燃空比、壓縮比和火花塞位置對發動機性能的影響。第六章提出了基於熱力學燃燒模型對egr進行數值模擬的方法,系統地研究了車用汽油機加裝egr系統后對排放、油耗、功率的影響,並結合排放標準。提出了egr參數的全局優化的新思路。This paper deals with synchronous measure technology of the cylinder pressure with the engine cold start by adoping micro - chip aduc812, and it discuss the analysis of breakdown of engine cold start with the mixture of technology of information. through the analysis of the parameters of cylinder pressure of the engine cold start, turning speed and starting electricity, and according to the measure data and witness, a theory is to be inferred, and with the help of breakdown - checking systems, the engine piston groups and the breakdown of starting system can be judged. at last, the. remote measure technology of cylinder pressure ' s parameters
本文採用微處理器晶元aduc812研究發動機冷起動氣缸壓力的同步測試技術,討論了基於信息融合技術的發動機冷起動故障診斷方法。通過對發動機冷起動氣缸壓力、轉速、起動電流等參數的測試,根據測試數據和證據推理理論,藉助故障專家系統,判定發動機氣缸活塞組以及起動系的故障。最後研究了氣缸壓力等參數的遙測技術。This paper regards the copper electrolyze anode product line under electricity - hydraulic controlling as its researching object and studies the technology on hydraulic malfunction diagnosis thoroughly, it also analyzes integrate the methods of malfunction diagnosis and the malfunction forms of hydraulic components. basing on this knowledge, this paper designs a process surveillance system for hydraulic pump of anode product line
本文以電液控制銅電解陽極生產線為研究對象,具體到生產線液壓系統的動力來源? ?液壓泵,對液壓故障診斷技術進行了較為深入的研究,對故障診斷的方法、液壓泵的故障形式進行了綜合分析,在此基礎上,設計了陽極生產線生產過程中液壓泵的監視系統。In order to meet with the status and develop demand qf the oilfield electric power system, basing on the many series of transformer and the high performance demand to transformer in oilfield and the fact that measure instruments are incomplete now, by use computer control technology, a suit of oilfield electric power transformer performance and parameter integrated measure system is developed, which is for in - use, standby and choose type
論文結合電力系統現狀和發展需求,根據變壓器系列多、對變壓器性能要求高和目前檢測手段不完善的實際,藉助微機控制技術,從理論上研究變壓器在線試驗與故障診斷的技術方法,用以指導變壓器投運后能夠可靠、安全、經濟運行。This paper focuses on two diagnostic methods for sensor fault : principal component analysis ( pca ) and artificial neural network predictor. three kinds of pressure sensors from hydrogen system are employed to lucubrate pca. the experiments illuminate that pca is effective for typical sensor fault
本文結合試車臺氫系統中的三種重要的壓力傳感器對主元分析法進行了深入研究,通過對典型故障的實驗分析證明主元分析法有良好的診斷能力。Abstract : a thermo - economical diagnostic mathematical model for pressurizedwater reactor ( pwr ) nuclear cogeneration plant is proposed based on heat assignment method. this model simplifies the calculation of thermal system and can be used to calculate the index variations caused by heating steam parameters as temperature, return percentage and return place of the return water. some examples are given to show the usefulness of this model
文摘:基於熱電聯產機組熱量法分配的特點,建立了熱電聯產壓水堆機組熱力系統發生變化對熱經濟性指標影響的計算模型,提出了供熱系統參數? ?供熱回水率、回水溫度、回水地點變化對壓水堆機組熱經濟性影響的定量診斷數學模型,可將復雜的熱力系統全面計算簡化成3個一次方程.通過實例計算,驗證了所提數學模型是正確可行的,同時具有概念清晰、計算簡捷的特點According to the diagnostic characteristic of the interior fault in transformer, we study the fault diagnostic of transformer by fat, es, ft. the main achievement lies in below : 1, constructing the transformer model of diagnostic fault apply in fat with help of the data of actual transformer fault during several years and applying in transformer fault diagnostic expert system. 2, dissolved gas - in - oil analysis is done fuzzy process
針對變壓器內部故障診斷特點,運用故障樹分析技術、專家系統方法和模糊數學理論對變壓器故障診斷技術進行了研究,主要的成果在於以下幾個方面: 1 ,通過對近年來大型電力變壓器故障實例做出分析,用故障樹分析法( fat ) ,建立變壓器故障樹診斷模型,並把它運用到變壓器故障診斷的專家系統中。The operation reliability of the power transformer as the key equipment in electrical power systems, influences operation security of electrical power systems directly. the components and contents of gases dissolved in transformer oil can be used to reflects internal insulation faults of operating transformer. in order to overcome the errors caused by complex handling procedure and man - made factors using general chromatogram analysis method, author brings forward an on - line detecting of gases dissolved in transformer oil by using macromolecule polymer to separate oil and gases automatically and an information fusion technology of multi - sensors ; at the same time, in order to improve the accuracy and reliability, author uses neural networks to diagnose transformer faults
變壓器作為電力系統的樞紐設備,其運行可靠性直接影響電力系統的安全運行;變壓器油中溶解氣體的成分和含量能有效體現運行變壓器內部的絕緣故障情況,為解決常規色譜分析中復雜的操作程序和由於人為因素引起的較大的誤差,論文提出了應用高分子聚合膜實現變壓器油氣自動分離、多傳感信息融合技術智能檢測多種氣體成分的變壓器油中溶解氣體在線監測技術,應用神經網路智能診斷方法實施故障診斷,提高變壓器故障診斷的準確性和可靠性。Combined with the researching and developing process of " the cbm system in fujian province ", the feasible scheme of the inter - faculty courses synthetic analysis ( namely intelligent management system of electric power equipment ' s condition ) are proposed to work out the module of intellectual ized diagnose and synthetic analysis to electric power equipment, which use the modern theory such as rough set theory, artificial neural net and genetic algorithm etc. emphasizing on the inter - faculty courses analysis, we analyzed the effect of this scheme based on " the instance collection of the limitation, and fault of main transformer in the fujian power system during recent years ", and then got a satisfying result. as the core of the cbm center of electric power equipment, the intelligent management system is the necessary measure to the cbm of equipment power system
本文介紹了狀態檢修的國內外發展趨勢和現狀,結合「福建省電力設備狀態檢修系統」項目研發過程,利用粗糙集理論、人工神經網路和遺傳演算法等現代理論,提出了跨專業綜合分析(即「電力設備狀態智能管理系統」 )可行方案,編制電力設備智能綜合診斷分析模塊,並以「福建省電網近年來主變壓器缺陷或故障情況匯總表」為例,以跨專業分析為側重點,對本方案的效果進行計算和分析,結果令人滿意, 「電力設備狀態智能管理系統」作為「福建省電力設備狀態檢修中心」的核心,是電力設備狀態診斷不可缺少的手段。Wide plus ak series intelligent pressure transmitter which is universal intelligent series transmitter, it introduced advanced production technology from america and japan adopts the world leading technique, pass through strict quality control. this kind of transmitter is searched and developed independently by our company that is pressure detect transmit unit in the industrial automation control system. it measures fluid pressure in the industry process and converts it into 420 ma dc signal output ; at the same time, it may be remote parameter setup, remote control, self - diagnosis by field hart protocol
Wideplus - ak系列智能壓力變送器是引進美國和日本的先進生產工藝,採用世界領先技術,經過嚴格的品質管理,由我公司自行研製和開發的通用智能型系列變送器,是工業自動化控制系統的壓力檢測變送單元,它測量工業過程流體壓力,將其轉化成4ma 20ma dc信號輸出,同時通過現場hart協議可進行遠程參數設定遠程控制自診斷等功能。Ak series intelligent pressure transmitter which is universal intelligent series transmitter, it introduced advanced production technology from america and japan adopts the world leading technique, pass through strict quality control. this kind of transmitter is searched and developed independently by our company that is pressure detect transmit unit in the industrial automation control system. it measures fluid pressure in the industry process and converts it into 420 ma dc signal output ; at the same time, it may be remote parameter setup, remote control, self - diagnosis by field hart protocol
是引進美國和日本的先進生產工藝,採用世界領先技術,經過嚴格的品質管理,由我公司自行研製和開發的通用智能型系列變送器,是工業自動化控制系統的壓力檢測變送單元,它測量工業過程流體壓力,將其轉化成4ma 20ma dc信號輸出,同時通過現場hart協議可進行遠程參數設定遠程控制自診斷等功能。Based on the actual background of jinhua electric power and the application level of business intelligence ( bi ) technology, the construction objective supplementary decision system of operational analysis in jinhua electric power is determined. the useful data acquired by etl tools will be concentrated in data warehouse or data markets. decision proposal will be made on electric equipments maintenance, reactive power control, electric line operational analysis, equipment defect prevention and control and electric power fault diagnosis by adopting dw, olap and dm technologies
針對金華電網運行生產的實際情況,結合當今業務智能技術( bi )的應用水平,金華電網運行分析輔助決策系統的建設目標是:在全局數據中心集中存儲和管理經過清洗、抽取后各種有用信息,並在數據集中的基礎上,採用數據倉庫( dw ) 、聯機事務分析( olap )和數據挖掘( dm )等技術對大量的數據和信息進行分析和挖掘,提出有益於電力設備檢修、電壓無功優化、線路運行分析、缺陷預控和故障診斷等的決策建議。In the paper, the relationships are introduced between gases category, and content dissolved in transformer oil and the destroy degree and fault style. the author have a deep research on the method of grey clustering, and classify together about consanguineous samples when giving attention to the sample characteristics " complexity and illegibility, so the system can realize expectant aims on the bases of lesser information. the analysis of instances testifies that the implement of theory of grey clustering on fault diagnosis in transformer is effective and the calculation is convenient
針對目前電力變壓器故障診斷方法的現狀,特別是對結構復雜的大型電力變壓器等電氣設備的故障診斷,首要的問題是如何根據反映變壓器故障特徵量指標來正確判斷待診設備是哪一類故障,作者對灰色聚類方法原理進行詳細分析,在兼顧樣品特徵的復雜性和模糊性的基礎上,依據樣本一定的特徵因素,使兩樣本間關系比較密切、相似程度比較大的同屬一類,把一個不甚明確的整體信息不足的灰色系統盡可能地淡化、白化、量化、優化和模型化,以便能依據較少信息實現預期的目的。This failure diagnosis expert system for pressure vessels is easy to run and operate which was designed by using object oriented language. it can distinguish failure patterns, analyze failure reasons and table proposals. this paper gave a typical example and it shows the result is up to the mustard
運用本專家系統對某一大型的h _ 2s吸收塔壓力容器失效進行分析和診斷,結果表明該專家系統能對壓力容器失效分析進行失效模式判斷和失效原因分析,並提出預防和處理措施,運行結果基本符合實際,具有很好的實用價值。The research works are shown mainly as follows : 1 ) the actuality and outlook of on - line detecting and fault diagnosis technology of gases dissolved in oil are analysed deeply, and characteristics of insulation structure of power transformer, evaluation of operating reliability and the relationship between ordinary faults inside transformer and gases dissolved in transformer oil are studied too. analysing the purposes of detecting gases dissolved in transformer oil on - line, we can know that primary indexes to evaluate the technology of on - line detecting gases dissolved in transformer oil are reliability of system, accuracy of detected data, validity of diagnosis, automatization and price of systems
主要研究內容有: 1 )深入分析變壓器油中多種溶解氣體在線監測及故障診斷技術研究現狀及應用前景,研究電力變壓器絕緣結構特性、運行可靠性評估以及變壓器內部常見故障與油中溶解氣體對應關系,通過對在線監測變壓器油中溶解氣體的目的分析得出系統運行的可靠性、監測數據的正確性、診斷的有效性、系統的自動化程度、系統的價格等是綜合評價變壓器油中溶解氣體在線監測技術的指標。The main distinct points are : the development of virtual press sensor and virtual fuel flowmeter for simulating the fuel system status data, the digital signal processing for the sps, and the diagnosis method - system status factor fault diagnosis
主要特點在於:利用計算機技術,開發了虛擬壓力、流量傳感器來模擬燃油系統的實時狀態數據;對信號的分析處理採用數字信號處理技術;提出了一種故障診斷方法? ?燃油系統狀態因子診斷法,並進行了實驗驗證。分享友人