磁帶控制器 的英文怎麼說
中文拼音 [cídàikòngzhìqì]
磁帶控制器
英文
magnetic tape control unit- 磁 : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
- 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...
- 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
- 磁帶 : (magnetic) tape; storage tape; magnetic band; magnetic belt
- 控制器 : controller; regulator; monitor; pilot; keyer; manipulator; control unit; control device; [自動化]...
- 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
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Ctc cassette tape controller
盒式磁帶控制器Cassette tape controller
盒式磁帶控制器At present, the most of vtr which are used in watch - control occasion for speciality are short of a uniform control - check - alarm system, which brings on the discommodiousness of operation and the user can not know the time of occurring a fault, which reduces the reliability of the watch - control system. therefor, at first, i carefully analyze the servo theory of the vtr which had been produced by chmavc with k mechanism to find out the work rule of the control signal ; second, take out some right control signal ; then for dealing with the problem of vtr in use for watch - control, i choose some right components to design the uniform control system for many special vtr with protel software. it mainly includes the following functions : operation functions of all vtr ( for example : power, play, ff, rew, stop, rec, eject, fwd, rwd, sp, lp ) was controlled by line at the same time ; in, the process of recording, when the tape walks to the end or stops by itself, the system gives an alarm and shows the number of the wrong vtr ; in the process of recording, the system gives an alarm and shows the number of the wrong vtr when the video signal from vidicon is losed ; the system controls all vtr to record on the non - working time when there is something wrong in the guarding section ; the system controls the video from vtr to switch to right monitor
目前,用在監控場合的業務用錄像機普遍缺乏一個統一的控制及檢測報警系統,這就導致了操作的不方便和出現了故障用戶不知道,降低了監控系統的可靠性,為此,我首先對華錄松下生產的k機芯的錄像機伺服原理進行仔細分析,找出各個伺服控制信號的控制變化規律;然後從中選出合適的控制信號;針對目前錄像機在實際監控使用過程中存在的問題,選用合適的元器件;運用protel繪圖軟體,設計了這個多臺業務用錄像機的統一控制系統,她主要包括以下功能:錄像機操作功能(如power play ff rew stop rec eject及正尋反尋帶速設定等)的統一線控控制功能;磁帶在記錄過程中,磁帶到頭和磁帶自己「偷停」的報警,並要能顯示出具體是哪一臺錄像機;在記錄狀態下,攝像頭輸入信號丟失報警,並要能顯示出具體是哪一臺錄像機;在休息或其他不需要記錄時,一旦警戒區有情況,則控制所有機器自動進入錄像狀態的功能;從錄像機輸出的監控圖像信號對監視器的切換功能。According to the direction and damping characteristic of the torque produced by the magnetorquers, the three axis attitude control schemes of gravity gradient satellite and other satellite with damper is presented. the control coefficients are determined by the dynamic characteristics of geomagnetic intensity, so the attitude control precision is improved
根據磁力矩在地磁場中的定向阻尼特性,提出了磁控重力梯度衛星和攜帶阻尼器的非重力梯度姿態控制規律,根據地磁場強度變化規律選擇控制系數,提高衛星的姿態控制精度。The control tactics of space voltage vector are investigated, and the simplified algorithm which judges the sector location of reference vector and calculates switch operation time is put forward. by analyzing the current hysteresis control, the relation between switch frequency, and hysteresis bandwidth and input inductance of pwm rectifier is deduced. by applying instantaneous power theory, the principle of pwm rectifier power control is analyzed, and the direct power control by matlab toolbox through estimating active power and reactive power with virtual flux is realized, and the simulation results prove that it is correct
對常用空間電壓矢量控制策略進行分析,提出了給定參考矢量所在區間判斷的簡化方法,以及電壓矢量作用時間的求取方法;分析了電流滯環控制策略,推導出開關頻率與滯環帶寬以及整流器輸入電感之間的關系;應用瞬時功率理論分析pwm整流器功率控制原理,通過虛擬磁鏈估計有功功率和無功功率,用matlab實現了直接功率控制,並驗證了該控制方法的正確性。In this paper, a high integrated and intelligent digital dsp - spm system is developed based on the nspm6800 spm manufactured by the beijing zhongke mechanical & electrical equipment co. at present, the pc of spm system is burdened with not only sending and receiving data, but also disposing of image, which hinders the enhancement of speed of the system. in addition, as the function of spm is expanding, including tappingmode afm, efm, mfm, scm, etc, one hand, it amplifies the range of the application of spm, on the other hand it also means that the task of autocontrol and data transfer heavier. the advantages offered by the dsp compared to analog systems include considerable flexibility in the choice of the signal processing algorithm and greater ease in managing control parameters by the host computer, which are very important for the improvement of spm
本課題以北京市中科機電設備公司的nspm - 6800型掃描探針顯微鏡為基礎,重新設計了以dsp為控制核心的控制系統,主要解決原系統存在的以下問題: ( 1 ) pc機既要實時控制數據的採集與發送,又要進行圖像的后處理,整個系統的實時性難以達到要求; ( 2 )隨著spm功能的擴展,一方面包括輕敲式原子力顯微鏡、電場力、磁場力、掃描容場顯微鏡等技術在內的spm技術擴展了儀器的測試范圍和功能,另一方面也意味著自動控制量的增加和數據處理量的增加; ( 3 ) 16位a d 、 d a都採用的是購買的板卡,也通過isa槽插在pc機內,成本高,不利於擴展; ( 4 )另外,數字板通過isa槽插在pc機內,易受于擾,而且給安裝帶來不便。From a modeling of an active magnetic bearing ( amb ), a numeric controller was designed with degrade observer and optimized feedback control. it was proved out with simulink in matlab
本文通過對主動磁懸浮軸承系統的建模,設計了帶降維觀測器的最優反饋數字控制器,並在模擬中驗證了控制器的正確性。Some research about sensorless control of induction motors in recent years has been introduced in chapter one. in chapter two, a field - oriented control system with current regulator and voltage source inverter ( vsi ) is presented firstly, which is proved in theory that the voltage feed - forward decoupler can be omitted, the good decoupled control properties of flux current and torque current is also validated by experiments with speed - sensor based on f240dsp real system
論文第二章從異步電機的基本數學模型入手,介紹了一種基於轉子磁場定向的帶電流內環控制的電壓型逆變器輸出閉環矢量控制結構,在理論上證明了該模型可省略電壓前饋解耦環節,採用f240dsp晶元構建的帶速度傳感器實驗系統驗證了其定子電流勵磁分量和轉矩分量有良好的解耦控制特性。A composite rotor flux observer is applied to induction motor vector control system, which makes the system avoid to be influenced by the alteration of rotor resistance
摘要採用基於電壓模型及電流模型的復合磁鏈觀測器,避免了矢量控制時異步電機工作溫升引起的轉子電阻變化所帶來的磁鏈觀測不準確問題。Flight controllers applied electrical current to the recorder, on and off and on again, repeatedly, until the molecular structure was altered enough to unstick the recorder for transmitting data
飛行控制器應用了電流將記錄機反復地打開關上,直至分子結構改變才使磁帶與記錄機分開。Later on, the non - linear dynamic model of the coupled rotor - body system with the mrfd was constructed and a test - bed which is fit for this model was designed. at last, the dynamic stability test for the system was implemented. the result of which says that the mrfd can improve the dynamic stability of the system markedly
採用開-關控制策略進行帶磁流變阻尼器的旋翼/機體耦合動穩定性試驗,結果表明,磁流變阻尼器能明顯提高旋翼/機體耦合動穩定性裕度,體現了具有自適應能力的優點。This article is based on the differential output shape meter of magnetoelastic transformer for cold rolling strip developed by cooperator. the design of hardware construction and the development of software for windows for the shape meter computer control are mainly described. the primary approach for the shape meter closed - loop control system is also included
本文在課題組已研製出的冷帶軋機板形儀? ?磁彈性變壓器差動輸出式冷軋帶材板形儀的基礎上,進行windows環境下板形儀計算機開環檢測系統硬體系統的設計、軟體系統的研製及板形儀閉環控制系統的初步探討。As an application of the proposed method, the excitation control of a three - node power system with nonlinear load is discussed
作為該演算法的應用,討論了帶有非線性負荷的三節點電力系統的勵磁控制問題,設計了非線性勵磁控制器。The blood pump driven system with sensorless is designed based on ventricular work control for specific axial blood pump driven by extracorporeal alternating magnet field in order to against the invasive results as far as possible to meet the recipients ' physiological demands. [ methods ] the models of pressure and flux in aorta are constructed, and the driving system for blood pump is designed
摘要目的針對「外磁驅動軸流式血泵」結構特點,避免有創控制帶來的不利因素,最大限度的滿足受體的生理需求,實現無傳感器控制,設計基於心室功控制的血泵驅動系統。[ objective ] the blood pump driven system with sensorless is designed based on ventricular work control for specific axial blood pump driven by extracorporeal alternating magnet field in order to against the invasive results as far as possible to meet the recipients ' physiological demands. [ methods ] the models of pressure and flux in aorta are constructed, and the driving system for blood pump is designed
摘要目的針對「外磁驅動軸流式血泵」結構特點,避免有創控制帶來的不利因素,最大限度的滿足受體的生理需求,實現無傳感器控制,設計基於心室功控制的血泵驅動系統。The analysis of the emulator show that the hysteresis will lead to the adverse results of the semi - active control and the influence will increase with the hysteretic time
模擬分析表明, mr阻尼器的磁滯效應會對結構的振動控制帶來不利的影響,並且這樣的影響會隨著磁滯時間的加長而越發明顯。分享友人