簡單開關控制 的英文怎麼說
中文拼音 [jiǎndānkāiguānkòngzhì]
簡單開關控制
英文
simple on-off control- 簡 : Ⅰ形容詞(簡單) simple; simplified; brief Ⅱ動詞1 (使簡單; 簡化) simplify 2 [書面語] (選擇人才...
- 關 : Ⅰ動詞1 (使開著的物體合攏) close; shut 2 (圈起來) shut in; lock up 3 (倒閉; 歇業) close down...
- 控 : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
- 制 : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
- 簡單 : 1 (不復雜) simple; uncomplicated; plain; simplicity 2 (平凡 多用否定式) commonplace; ordinary...
- 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
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Following notebook computer being used broadly in field detectiong, peripheral which have usb interface are prepotent more and more. the ultrasonc flaw detector we ' re designing will be connect with notebook computer in field detection, so we elect usb interface to accomplish transmission between detector and pc. the article not only introduces basic knowledge about usb briefly and gives detailed develop process of usb peripheral and flow diagrams of usb controller, but also operating against our device ' s functions, gives develop process of device driver and important api function being used. in addition, an exclusive interface being used to control and display is designed
我們所設計的探傷儀外置盒在現場作業時是與筆記本電腦相連接的,因此選用usb介面來實現數據在探傷儀外置盒與pc機間的傳輸。這里簡單的介紹了有關usb介面的基礎知識,給出了探傷儀usb介面的詳細開發過程及usb控制器的程序流程圖,並且針對于本儀器要實現的功能,給出了pc機端的設備驅動程序開發過程及關鍵的api函數調用程序。此外這里還設計了一個專用的控制及顯示界面。The characteristics are : the automatic testing part adopts single service position testing configuration developed internationally, which has simple configuration, flexible creditability ; the control of switching value and analog quantity collection adopts creditable plc, which takes ipc - 610 industrial control computer as epigyny computer and communicates with plc through rs - 232 interface for treating kinds of data and measuring online
特點是自動檢測部分採用國際首創的單工位檢測機構,結構簡單,靈活可靠,開關量的控制性能,模擬量的採集,採用可靠性的plc可編程式控制制器,由ipc - 610工業控制計算機擔任上位機,通過rs - 232介面與plc通訊,對各種信號進行處理,並進行在線實時監控。Concentrated electronic control and security design system with a series of switch and control. speed adjustment can be managed in each direction ; easy to be maintained and perfect accuracy
集中電控及安全設計系統,富士開關系列,立石控制系統,上、下皆可操作起動調速,方便操控,保養簡單,精確無誤。As a part of the self - adapted yard interlocking system, the main purpose of the research is, by exploring the interlocking relations of the various units one another such as tracks, switches, signals and so on, to find out their forming regulation ; in order to cause the operation of the design of yard plane more simple, more sensible and more efficient, we make use of the visual - formed means. then the yard data formed will be provided to the " self - adapt yard interlocking simulation control system " which is developed by the former postgraduate
本系統作為「自適應車站聯鎖系統」的子課題,其開發的主要目的是:通過對車站站場內股道、道岔、信號機等各部件聯鎖關系的研究,找出它們之間的形成規律,然後利用可視化手段,簡單、快捷地設計出車站站場平面圖,並形成原始的站場數據,為已所開發的「自適應車站連鎖模擬控制系統」提供數據支持。They will short down the working life of air compressor because they are always started or stopped when we want to make the railway carriage stay in a fixed temperature. now, automatic and intelligent control systems are being applying in bus air - conditions control. in this way, computers control the work of air compressor, the turnaround speed of fan, the open degrees of wind controlled doors and so on
我國大多數客車空調仍然採用簡單的壓縮機開關控制及循環離合控制系統,如:離合器?熱力膨脹閥系統( cctxv )和離合器?節流管系統( ccot ) ,這些控制方式的精度低,當進行恆溫控制時壓縮機處于頻繁的開、停狀態,縮短了壓縮機的工作壽命。Due to the complexity of the structure and control of cycloconverter - type three - phase hf link inverter for soft - switching based on phase - shift - controlled full - bridge mode, a simple and optimized vvvf control strategy is proposed. this control strategy includes : produced pwm by space voltage vector ( svm ) and equivalent carrier frequency fe = 1 / te are introduced into the pdm control of the cycloconverter ; softened equivalent pwm wave is generated at the notches of hf voltage pulses ; the harmonious control between regulating pulse width by phase - shifted angle and regulating voltage of equivalent pwm is to minimize the harmonics content of output voltage of the inverter
西安理工大學博士學位論文針對這種前級移相全橋軟開關周波變流型三相高頻鏈逆變器結構和控制的復雜性,提出了一種實現簡單而整體優化的vvvf控制策略:將空間電壓矢量產生p姍的方法svm和等效載波頻率fe = 1 / te引入到周波變流器的pdm控制;按高頻電壓脈沖前後沿軟化等效p翎波;用移相調節高頻脈沖寬度和等效p姍調壓協調控制逆變器輸出電壓,在滿足輸出電壓條件下使諧波最小。With two mechanically controllable switching points, users have a practice - oriented function at their disposal, with which the pressure dependent working points of the pump can be adjusted independently of one another in the simplest manner ; the pump can be controlled directly
作者可以由兩個機械控制的開關點實現定位於實際應用的功能,並通過這種功能用最簡單的方式獨立地調整泵的壓力相關工作點:可以直接地控制泵。Based on them, in this thesis, the one cycle control theory was successfully applied to the detection and control of apf for the first time. an apf using a novel unified constant - frequency integration control method was presented. the method employs an integrator with reset as its core component to achieve the detection and control of distortion current for apf at the same time
文中導出apf功率開關占空比必須滿足的控制目標方程、求出apf主電路的穩態模型、建立了通用常頻積分復位控制apf的數學模型,用簡單的模擬電路實現apf的通用常頻積分復位控制電路和通用常頻積分復位控制apf系統。Based on the investigation with several voltage control methods, such as venturini method, instantaneous double - voltage synthesis method and space vector modulation method ( svm ), three new control strategies are put forward. firstly, a time - varying modulation coefficient svm method is proposed to improve mc ' s anti - disturbance performance under the asymmetry input voltage. secondly, a 5 - state switching strategy is presented for mc controlled by the svm method, which reduces the commutation number and switching losses remarkably
在分析了venturini控製法、瞬時雙電壓法、空間矢量法等電壓控制方法的基礎上,提出了在非對稱輸入條件下矩陣變換器空間矢量法的時變調制比改進控制策略,提高了變換器的抗干擾性能;對空間矢量法的開關策略進行了研究,提出了新型5狀態開關策略,在保證其他性能不受影響的條件下,減少了變換器的換流次數和開關損耗;提出了一種矩陣變換器單電壓合成的新方法,它不僅使得變換器的控制簡單,計算量減少,而且使得開關損耗達到最少。A new full - wave measurement circuit structure is put forward that would increase distribution automation system reliability and veracity. the distributed protection and monitoring unit in this paper can instead of general instruments of low voltage distribution system. it not only combines ampere meter, voltage meter, active power meter, reactive power meter and power meter, frequency meter into a meter, but also increases monitoring position switch, control bus switching alternately and monitoring energy
本文研製的保護和測控單元,可替代低壓配電系統中所使用的常規儀表,將原來迴路需要的電流表、電壓表、有功功率表、無功功率表和功率因數表、頻率表簡化為一塊表,並增加了位置開關量檢測,控制母線投切和電度監測功能,從而極大的簡化了低壓配電二次儀表設計、安裝調試,提高了運行、維護和管理水平。The tap - changer is made with solid state relay as its working mechanism and controlled by microprocessor. this switch has totally cancelled the mechanical drive organization, by the microprocessor according to the voltage of second side microprocessor decide the working condition of solid state rely, high regulation speed, need not transition resistor, rush current is low. operating frequently ; there is no electric arc to produce, can put in the fuel tank of the voltage transformer directly ; the structure is simple, the fabrication cost is low, benefit and use widely among the voltages transformer of distribution
其中的有載調壓分接開關,它是一種完全由固態繼電器作為分接開關執行機構,由單片機控制的有載自動調壓的變壓器分接開關。該開關完全取消了機械傳動機構,由單片機根據變壓器二次側電壓的高低,決定與變壓器各分接頭聯接的固態繼電器的工作狀態。調節速度快,改變分接頭時不需過渡電阻,沖擊電流小,可頻繁操作;無電弧產生,可以直接放在變壓器油箱中;結構簡單,造價低,便於在配電變壓器中推廣使用。The optical switch with double - heterostructure gaas / gaalas has low switching - voltage and light loss. and the boa - type optical switch utilizes maximum modal dispersion ( a p ), does not require a specific fabrication length or length range to operate, has simple structure, and can exhibit very high extinction - ration from its two output ports ; so it is suitable for a 2 x 2 unit of optical switch array
而boa型結構(或稱為零間隙定向耦合型)光開關利用了最大的模色散( ) ,不需要嚴格控制特殊的製造長度或製造范圍,結構簡單,從其兩個輸出端可以得到很高的消光比,是一種很好的2 2波導型光開關單元,同時也是光開關陣列的一種較好的選擇。A novel resonant pole zvt three - phase pwm inverter circuit for three - phase ac motor driving is presented. the proposed circuit has the feature of being more flexible with three inverter arms in zvt process. using only one resonant inductance, the inverter can not only reduce the power loss of inductance but also avoid possibility of unbalance in motor ' s three stator windings
提出了一種針對三相交流電機驅動的新型諧振極零電壓過渡三相pwm逆變器電路,該電路中三個逆變橋臂的零電壓過渡更具有靈活性,僅使用一個諧振電感,既減少了電感損耗又防止了電機三相定子繞組可能存在的不平衡問題,並且諧振電感中殘余能量能夠回饋給電源;新型逆變器的輔助開關均工作在零電流開關條件下,並且控制邏輯簡單。People can easily design the hysteresis current control hardware circuit, but the switching frequency is variable which makes us difficult the design the output filter, moreover the output waveform is not good. the space vector modulation techniques, by selecting the zero vector properly, it can reduce the harmonic content of the output voltage, so it has become a popular control method
滯環電流控制的硬體電路設計簡單,但存在開關頻率不固定,輸出濾波器設計困難,輸出波形質量差,空間矢量控制( svm )技術具有較高的電壓利用率,且通過對零矢量的合理控制可以降低諧波含量或降低開關損耗,因此是一種較好的控制方法。Full bridge phase - shifted zero - voltage - switched converter ( fbps - zvs converter ) is a successful implementation for soft - switching and is easy for usage in dc / dc converter. the core technique to reach digitalization is dsp technique. in order to reach both high frequency and digitalization of converter, a fbps - zvs converter based on dsp control is proposed in this paper the converter worked on the high frequency of 150k. periphery hardware circuit is simple and its bulk is small. the converter realizes soft - switching over half load and get a high efficiency. it achieves the aim of digital control and error protect
實現數字化的核心是dsp技術。本文立足於將開關電源的高頻化與數字化相結合,具體研究內容為一種基於dsp控制的移相全橋軟開關zvs變換器,該變換器工作于較高的開關頻率( 150k ) ,外圍硬體電路結構簡單、器件少、體積小;在半載以上實現了開關管的zvs開關,取得了較高的變換效率;實現數字化控制與故障保護,變換器取得了較好的性能效果。In the first chapter, the study background. direction and main content of this paper are presented. in the second chapter, the character and application of motorola dsp chip, the system design of this power supply and a small - signal model of fbps converter are introduced. in the third chapter, the operation of fbps converter is analyzed in detail and the design of hardware is given. in the fourth chapter particular software design and program flow are given. the result and analyse of experiment are given in this chapter too. in the last chapter, summarize of full paper and works followed are given
本文第一章介紹了課題的研究背景、方向和主要內容;第二章簡單闡述了dsp晶元的特點及其在電力電子領域的應用,介紹了motoroladsp晶元dsp56f8323的性能特點;提出基於motoroladsp控制的移相全橋軟開關dc dc變換器的硬軟體系統設計方案;最後建立移相全橋變換器的小信號模型進行系統分析。第三章分析了系統硬體部分即軟開關全橋變換器的工作原理和工作模式;給出了詳細的硬體設計。All the power devices including main switches and auxiliary switches are in soft - switching condition ( zvs or zcs ), while the freewheeling diodes are turned off in zero current condition. besides, the control of resonance between inductance and capacitor can be easily realized without needing of setting the threshold values of the inductance current
該電路中主開關和輔助開關均滿足zvs或zcs條件,續流二極體也工作在軟關斷方式,並且電感和電容之間的諧振控制不需要設定電感電流閾值,控制邏輯簡單,可實現四象限運行。The on - off controlled hydraulic system of all - hydraulic operated drilling machine generally has following disadvantages : simple function, low level of automatization, low efficiency
開關控制型全液壓鉆機液壓系統普遍具有功能簡單、自動化程度不高以及效率低下的缺點。Compared with those converters that need an auxiliary switch to make the main switching device working in soft - switching condition, the converters this paper present, are simple, easily controlled and cost less, but still maintain the merits of soft - switching for the main switching devices
這些變換器與那些需要輔助開關來實現主開關的軟開關工作的變換器相比,具有結構簡單、易於控制、成本較低的優點。所提出的新型功率因數校正軟開關變換器除具有以上優點外,還能有效解決二極體的反向恢復所帶來的問題。Lcfd02 series weft feeder is special developed for economic - type rapier looms made in our countrise. it still retains the ex - cellent interval weft neatening mechanical structure applied in lcfd01 series weft storage, and adopts simple electronic switch with high reliability to control the imtermittent running of the motor. it is a good prodoct to improving the performance of econmic rapier looms for its high performance - to - price ratio
Lcfd02系列儲緯器是專門為國產經濟性劍桿織機研製生產的,它保留了lcfd01系列儲緯器優良的間隔式排紗機構,採用簡單的高可靠電子開關控制電機間歇運轉,具有性能價格比高的特點,是提高經濟型劍桿織機性能的利器。分享友人