電碼饋電 的英文怎麼說
中文拼音 [diànmǎkuìdiàn]
電碼饋電
英文
coded feed-
The circuit receives feedback signal of encoder, disposes it by pid and in the form of digit sends control signal which is transformed by d / a into analogue signal to servo amplifier, so further to control motors
電路板接收碼盤反饋信號,通過內嵌的pid演算法,以數字形式給出控制量,經過d a轉化為模擬控制信號給伺服放大器,進而控制電機運行。Secondly, compared with some other kinds of comparator structure and based on the preamplifier - latch fast - compare theory, a novel topology of cmos preamplifier latch comparator circuit is presented. considering trade - off between kickback noise and power dissipation, reference resistance value is optimized. according to the encode demands of different stage resolution, clock - control encode circuit is designed
其後,在具體的子adc設計中,對比各比較器類型的優缺點,並基於預放大鎖存快速比較理論,提出一種新型高速低功耗預放大鎖存比較器電路拓撲;根據adc系統所允許的參考電壓最大波動限制,在回饋噪聲對輸入參考電平的影響和功耗之間折衷,確定優化的參考電阻串阻值;根據不同級精度的編碼要求,設計出時鐘控制編碼電路。It can directly control and drive the stepmotor and dc servomotor, and it can control the ac servomotor by controlling the ac transducer, and it also has the function of detecting the feedback position signal of photoelectric coder and induction phase shifter
它能直接控制和驅動步進電機和直流伺服電機,並可通過控制交流變頻器對交流伺服電機進行控制,而且具有光電編碼器和感應移相器位置反饋信號檢測功能。At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder
硬體方面,採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a轉換器實現了交流變頻器的控制功能;採用數字化相位檢測技術實現了感應移相器位置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器位置反饋信號的檢測功能。Secondly, the encoder circuit of quasi - cyclic which can realize low encoding complexity are designed and implemented. three encoder circuit are designed respectively with feed shift - registers and logic gates : sraa - based serial qc - ldpc encoder ; sraa - based parallel qc - ldpc encoder ; two - stage qc - ldpc encoder
採用反饋移位寄存器與邏輯門設計了三個典型的編碼器電路:基於sraa電路的串列準循環ldpc碼編碼器;基於sraa電路的并行準循環ldpc碼編碼器;二階編碼電路。Specification for transmission of component - coded digital television signals for contribution - quality applications at the third hierarchical level
在三次群中傳送饋送質量分量編碼數字電視信號傳輸技術規范Incremental - coding devices is used as position feedback device, meanwhile, magnetic field sensor ad22151 is used as position sensor to demarcate movement origin, which have features of the high sensitivity, small size, non - contact
位置反饋元件採用增量式光電編碼器,同時鉛門的零點標定採用了磁傳感器ad22151 ,具有靈敏度高、體積小、非接觸等特點。The closed loop control mode including position feedback, velocity feedback and current feedback is adopted for the driver motor so that high precision and steady running can be realized. the closed loop control mode including velocity feedback and current feedback is adopted for the momentum balance motor so that fast and accurate trace can be realized
其中驅動伺服電機採用絕對位置光電編碼器作為位置反饋確保系統的精度要求,實現了位置、速度、電流三環控制,達到了伺服電機的高精度、穩速運行;平衡電機採用電流和速度雙閉環控制,實現平衡電機快速、精確的跟蹤。8. equipped with balance circuit output socket, unbalanced circuit output socket and both sides circuit output socket for connecting other kinds of equipment. 9. red indicator light on the mic 10. t - type connection : it is easy to install
5 .具有電話會議輸入端,遠方可通過電話參加會議,內有反饋抑制電路設有高低音數碼調節電路,獨立調整系統音質話筒音量調節,使音質更清脆嘹亮When the system is working, the photoelectric coder checks the speed of doubly - fed vscf wind power generator ; according as the principle formula of vscf, the excitation current frequency of rotor is calculated to satisfy the aim of vscf control
系統工作時,用光電編碼器檢測出發電機的轉速,依據變速恆頻的原理公式計算出應饋入轉子勵磁電流的頻率,達到變速恆頻控制的目的。Basing on the operating characteristics of the pmsm machine tool spindle drive system, a novel frequency multiplication circuits which can be switch to 2 or 4 times of base frequency is proposed in the paper. it resolves the paradox of using a same photoelectric encoder under high and low speed operating condition of motors
它能夠根據指令實時的對編碼器反饋回來的電機速度信號進行2倍頻或4倍頻處理,解決了用同一個編碼器來檢測電機低速和高速的矛盾。And the inverter becomes smarter. during the designing, the pulse - processing ciucuit is preset which processes the feedback pulse from photoelectric encoder for close - looping the system in future. by using the circuit and quadrature mode of timer 1 in 80c196mc, incremental encoder can be embedded into the velocity regulation system more easily and the domain the inverter can be used in is enlarged too
在系統設計過程中,考慮到了變頻調速器進一步改進為閉環系統的需要,在電路中預設了光電碼盤反饋脈沖的處理電路,通過這個電路的處理,並利用80c196mc中定時計數器1的90相移計數工作方式,可大大簡化使用增量式光電碼盤時脈沖處理的復雜度,這也擴大了本文中變頻調速器的應用范圍。Respond to typical level 1 help desk requests and trouble tickets. trouble tickets would include re - setting of passwords, trouble shoot printer problems, trouble shoot pc and application problems
對水平1的桌面需求和問題做出反饋。此類問題主要包括:重新設置密碼;印表機解決問題;臺式電腦問題以及應用程序問題。分享友人