直線電路 的英文怎麼說
中文拼音 [zhíxiàndiànlù]
直線電路
英文
direct-wire circuit- 直 : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 直線 : 1. (不彎曲的線) straight line2. (急劇的) steep; sharp
- 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
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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。Apply computer chip to control the circuit ; omron opto - elecrtonic control - ler and panasonic and mitsubishi inverter have stable performance, high precision, rapid reaction and long life - span ; the controlling plate applies tactile operation board which is handled easily ; vertical structural screen is easy to adjust the vertical printing pressure so as to ensure the quality of printing ; the frame lift is driven by electrical motor and installed with imported linear guide rails, of which the speed - adjust device, scraper and scraping blade can be adjusted within15 to 45 and can be set for many times so as to repeatedly printing with good precision and output, the flat bed is made of 2mm stain - less steel plates which are flat, smooth and indeformable ; it is also equiped with micromatic setting device in order to ensure the precision of multi - color overprint and auto air - intake device to ensure strong adsorption
採用電腦板控制電路,歐姆龍光電控制器,松下,三菱變頻器,行直穩定.精度高,反應快,壽命長,控制面板採用觸摸式操作面板,操作方便,六式結構型網版垂直升降印刷壓力可調保證印刷質量,機架升降採用電機驅動安裝進口直線導軌,刮刀、回墨刀可在15一45角調整,可設置多次,重復印刷保證產品精度.平臺板採用2毫米不銹鋼板製作,平整光滑不變形配有微調裝置,確保多色套印精度,配自動吸氣裝置,確保強有力的吸附。Connection fitting ( hardware ) is mainly applicable for the connection of the conducting wire of aerial electric power line and terminals of lightning conductor, the connection of offline perch jumper wire and the repair of conducting wire
接續金具主要用於架空電力線路的導線及避雷線終端的接續、非直線桿塔跳線的接續及導線補修等。Along with the implementation of experiment of straight power supply to big consumer step by step, as the largest rundle hydropower station in our country, we must consider straight power supply to big consumer ( a new electric power marketing ) with the electric power of gezhouba - three gorges as an important composed part of electric power marketing, let it become to one of the important means of gaining the more benefits to our company
直供電作為一種新的營銷模式,隨著大用戶直供電試點工作的逐步展開,作為我國最大的梯級電站,必須把三峽?葛洲壩的電力直供作為電力營銷的有機組成部分,作為實現公司效益最大化的重要手段之一。論文在分析了三峽區域潛在的直供對象后,提出了三峽電力過網直供和專線直供的思路。The explanation of field theory takes two independent equations in integral form derived from maxwell equations as basic law of circuit theory. beginning with two independent equations, ftn analyzed the linear dc and ac networks, nonlinear networks and many kinds of circuit analyzing methods and so on
場論說的電路理論是以從麥克斯韋方程組導出的積分形式的兩組獨立方程組為基本定律,從此基本定律出發,推理演繹電路理論的基本內容,分析了線性直流和交流網路、非線性網路以及各種電路分析方法等。The maturity of stream media and cdn technologies will surely give a revolutionary impetus to broadband content and even to the entire broadband industry. they will provide end users with internet - based information services such as multimedia news release, on - line direct broadcast, network - based advertisement, e - commerce, vod, distance education, remote medicine, internet - based radio station and videoconferencing, and yield a comfortable profit to the value chain of the broadband industry, including operators, icps and isps. 2
流媒體技術的發展和內容分發平臺的成熟,必將為寬帶內容提供革命性的推動力,必將喚醒整個寬帶產業,為最終用戶帶來網際網路多媒體新聞發布、在線直播、網路廣告、電子商務、視頻點播、遠程教育、遠程醫療、網路電臺、實時視頻會議等網際網路的信息服務,給運營商、內容提供商、服務提供商等整個寬帶產業價值鏈帶來豐厚的利潤。In this paper, we have studied the feasibility for the bpm of to be button electrode was used in the lia and the simulating has done for the use by pspice / orcad
本文研究了鈕扣電極束位置探測器應用於強流直線感應加速器( lia )的可行性,並用pspice orcad電路模擬模擬軟體進行了模擬計算。Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面電流作用於有限長鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓下的瞬態分析,得到了轉矩,位移,轉速隨時間變化曲線圖,利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證,由實驗測得了三相電流波形,並與計算結果進行了比較,對其不對稱性進行了定性分析。A protective method based on voltage - frequency - converter and additional dc measuring the insulation between monitor wire and ground lines of hv double screen cable is developed and realized by analog and digital circuits
通過分析6kv電纜絕緣監視保護的特點,提出了在高壓電纜監視線與接地線之間附加直流電源並利用v / f轉換實現監視保護的新方法,設計了相應的電路。This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller
本課題在對低壓電力線的傳輸特性和數字調制技術進行分析的基礎上,將通信理論中的直接序列擴頻技術( dsss )用於解決低壓電力線通信的干擾問題,主要研究內容如下: ( 1 )用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析,分別對時域和頻域下採用dsss技術前後接收信號的頻譜進行分析,驗證dsss技術在本系統中的可行性; ( 2 )由dsss技術對濾波系統的要求,根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波電路; ( 3 )用調制解調晶元sc1128和自行設計的濾波器加之輔助外圍電路,構造出低壓電力線載波通信系統,並採用atmel公司的單片機設計了接收和發射電路的微控制器; ( 4 )分別對採取抗干擾措施前後輸入和輸出信號進行對比實驗,並對結果進行分析,驗證了dsss技術對干擾信號的抑制作用。The bias magnetic field of the bias coil driven by bias current and small signal test current, results in the induced signal of the control coil. the terminal voltage of the control coil is detected by the test circuit. then the signal containing the information of rotor displacement is obtained, from which we can get the dc voltage signal proportional to the rotor displacement through half - wave rectification circuit and low pass circuit. this dc signal is put into a pid controller to get the control signal of the rotor displacement
偏置測試電路向偏置線圈輸入偏置電流和小信號測試電流,兩者產生的偏置磁場在控制線圈產生感應信號,檢測電路檢測控制線圈端電壓並提取含有轉子位移信息的電壓信號,該信號經半波整流電路和低通濾波電路后得到與轉子位移成正比例的直流信號,再由pid控制器轉換為轉子位移的控制信號,最後控制信號輸入功放電路產生控制電流,實現閉環控制。Malfunctions can be diagnosed using infrared thermography without affecting the work state of tested equipments, thus the diagnostic accuracy can be improved. infrared thermography, just as often, improves electronic fault diagnosis by isolating the malfunction to specific areas of the circuit board, what is more, it usually does point directly to the failing component. thermography even can rapidly diagnose up to hundreds of elements on one pcb at one time, without requiring the operator to know the circuit principle very well, which can reduce the workload greatly
紅外故障檢測儀可以對電子設備進行在線測量,檢測時不會影響待測設備的正常工作和頻率特性,這對高頻電路的檢測尤其方便,且能提高診斷的準確性;他通常能指出電路板上的故障區域,甚至經常能直接找出故障元器件,這樣就提高了維修質量;並且能在不需要檢測人員對電路原理有深入理解和分析的情況下,對同一塊電路板上的數十隻甚至數百隻器件同時進行快速診斷,這就大大減少了維修人員的工作量,提高了維修人員的工作效率。This paper presents a type of electroplate production - line system which drives by linear induce motors and describe the entire control system the new system is controlled by digital signal processing chip ( dsp )
論文結合中山寶泰電路板設備製造有限公司的電鍍流水線系統而開展地課題研究設計工作,研究了一套直線感應電機驅動的電鍍流水線及控制系統。Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment
在windowsnt系統環境和labview虛擬儀器技術開發平臺下,首次利用labview中的直線擬合模塊、指數擬合模塊以及多項式擬合模塊,設計了一種對實驗所得數據進行曲線擬合的方法,對三種擬合方法進行了比較,曲線擬合結果表明,多項式擬合方法相對于其它兩種擬合方法效果更好;根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械振動形成的等效輸入阻抗,並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其電氣模擬網路參數;最後通過labview提供的網路功能,實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統,並探討了通過datasocket技術實現該系統網路化的方案。Standard guide for design of flat, straight - line test structures for detecting metallization open - circuit or resistance - increase failure due to electromigration metric
檢測由電遷移造成的噴鍍金屬開路或阻力增加失效率用的平板直線試驗結構設計的標準指南By magnetic field analysis for the stage, three formulas reached : one is magnetic road magnetic force calculational formula of magnetic levitation system that except flux leakage, the second is magnetic driving force calculational formula for open magnetic road dc linear motor, the third is magnetic flux density calculational formula for dc linear motor. these formulas make reference for design, analysis and control
本文對磁懸浮定位平臺進行了電磁場分析,推導出磁懸浮系統不計漏磁的簡單磁路、磁力計算公式和原理樣機所採用的開磁路直流直線電機推力及磁通密度計算公式,為設計、分析及控制提供參考。Besides, the motor control system based on the digital signal processor ( dsp ) is analyzed. the hardware circuit about the dsp system is designed. the dsp control software is programmed on the field magnetic orientated control and the space vector pulse width modulation ( svpwm ), that establishes the ' basis for implementing the modern control principle
然後,又對基於數字信號處理器( dsp )的電機控制系統進行了分析,設計了dsp系統的硬體電路,並編寫和調試了空間磁場定向控制和空間矢量脈寬調制( svpwm )的dsp系統的軟體,為直線電機現代控制策略的具體實現奠定了基礎,並提出了對端部效應進行補償的控制方法。Apparatus for connection to private circuits run by certain public telecommunication operators - specification for apparatus for connection to direct current circuits
英國通信網家用線路連接設備.第3部分:直流電路連接裝置規范The observatory is connected to meteorological centres in tokyo and beijing by point - to - point links for the exchange of real - time meteorological observations
:香港天文臺使用直線電路不斷與東京和北京的氣象中心保持聯絡,交換即時氣象觀測資料。With an introduction of the principle and application of linear motor in shanghai maglev demonstration line and urban mass transit, this paper discusses the problems occurred in the power supply system, and the preliminary solution for decreasing the line resistance and reclaiming the stray current
摘要介紹了直線電機的基本原理、不同的應用方式及其在城市軌道交通中的應用情況;並就供電系統中存在的變電所較多、能耗較高等問題,提出了如何設法減少線路總阻抗、如何回收利用迷流等初步解決方案。分享友人