analog control 中文意思是什麼
analog control
解釋
模擬控制-
All of these signals are gainadjusted, filtered and summed in an analog control computer.
所有這些訊號在模擬控制計算機中進行增益調整、濾波和綜合。 -
Based pc, d / a convertor and 2 - dimension galvanometer scanning system, laser marking control system is built. coordinate data scanned and kept in the computer are transformed into the analog signals by d / a converter, then control the galvanometer to deflexion
基於pc 、 d / a轉換器和二維振鏡掃描系統搭建激光打標機控制系統，將存儲在主控計算機的掃描坐標點的坐標數據通過d / a轉換，將數字信號轉換成模擬信號來控制振鏡偏轉。 -
This text summarises several control forms of gushing out oil pump test platform simply, and mainly proposes analog and digital control schemes of close ring adjusting speed, at the same time, gives the principles and implementation methods used in parameters control and measuring, this text introduces the asynchronous electromotor " s control process, in which, fuzzy control arithmetic is used, and the control commands are passed on by means of communication between mcu and frequency converter. there are two parts in this system. one is superior computer that is ordinary pc, the other is hypogynous at89c52. the functions of superior pc are control and display information through screen, and the functions of ats9c52 includes control, collecting, display, treatment, uploading of all parameters
詳細介紹了應用模糊控制演算法，以變頻器通訊方式進行異步電機調速的控制過程。系統由上位機和下位機兩部分組成。上位機為普通pc機，主要實現系統控制、數據顯示等功能，另外還有數據庫瀏覽、數據列印等功能；下位機以at89c52為核心，負責所有參數的採集、處理、顯示、上傳、控制等。 -
And the interfaces have analog input, analog output and digital input / output. we have used differently cards, such as pc - 6330d a / d card, pcl - 728 d / a card based isa bus, ipc - 5375 i / o card and so on. in addition, we select micro - stir switches and pressure sensors as sensor elements to inspect the system and choose relays and induction valves to control the bicycle pump and the motor
總線採用isa內部總線；介面主要有模擬量輸入介面、模擬量輸出介面、開關量輸入輸出介面等，課題分別選用pc - 6330d型a d板卡、基於isa總線的型號為pcl - 728的d a板卡、型號為ipc - 5375的i o板卡；另外，課題選用了微動式行程開關、壓力變送器作為傳感元件檢測系統，選用繼電器、電磁控制換向閥實現對氣缸、電機的控制；採用vc + + 6 . 0編制控制軟體，實現了纖維鋪放技術的計算機控制。 -
The subject has mainly finished designing and debugging software and hardware of a / d decode module, fpga video processing module, video data frame deposit module, base clock produce module, d / a encode module, i2c bus control module, etc. a / d decode module gathers analog tv signals and realize video decode ; fpga video processing module deals with the data after decoding and produces systematic logic control signal ; video data frame deposit module offers the buffering area to a large n umber of high - speed video data ; base clock produce module through input basic video signal offers system accurate relevant synchronous signal ; under control of video processing module d / a decode module convert digital video data into compound tv signal which can be shown in tv directly ; i2c bus control module is used to initialize the chip of system by simulating i * c bus timing
本課題主要完成了a d解碼模塊、 fpga視頻處理模塊、視頻數據幀存模塊、基準時鐘產生模塊、 d a編碼模塊、 i ~ 2c總線控制模塊等部分軟、硬體設計及調試。其中a d解碼模塊採集模擬電視信號實現視頻解碼； fpga視頻處理模塊對解碼后的數據進行去噪處理的同時還負責系統的邏輯控制；視頻數據幀存模塊為大量高速的視頻數據提供緩沖區；基準時鐘產生模塊通過輸入基準視頻信號為系統提供精確的相關同步信號； d a編碼模塊在視頻處理模塊的控制下把數字視頻數據轉換成復合電視信號供顯示用： i ~ 2c總線控制模塊模擬i ~ 2c總線時序實現對系統中編、解碼晶元的初始化。 -
Flexible dimming control utilizes either an analog control signal or direct digital pwm control without external rc filtering. this also increases dimming accuracy at low brightness levels
電路採用靈活的調光控制方式，既可輸入模擬控制信號，也可直接輸入數字脈沖寬度調制信號而不需要外置rc濾波器。 -
The author will research two different realizations : 1 ) to design a can bus interface system based on scm system. this interface system would change the digital commands obtained from the c ' an bus into the analog control signals and send these signals to the existing analog electric servos
這項工作將研究兩種實現方案： 1 ）設計一個基於單片機系統的canbus介面系統，用來將can總線上的數字指令轉換為模擬控制信號，送給已有的電動伺服模擬控制系統。 -
The author will research two different realizations : 1 ) to design and realized a can bus interface system based on scm system. this interface system would change the digital commands obtained from the can bus into the analog control signals and send these signals to the existing analog electric servos
這項工作將研究兩種實現方案： 1 ）設計一個基於dsp的can總線介面系統，用來將can總線上的數字指令轉換為模擬控制信號，送給已有的電動伺服模擬控制系統。 -
Great progress of microprocessor and peripheral circuit causes distinct improvements in digital control techniques. then, digital control technique will gradually substitute analog control technique for controlling power electronic system
微處理器及其外圍電路的發展，使得數字控制技術所存在的一些問題不斷得到改善，並逐漸取代模擬控制技術實現系統的控制功能。 -
Finally, the principle of phase - locked - loop for speed control is discussed. the control methods of torque and magnetic levitation force are studied experimentally on a prototype bearingless motor. based on the analysis of shortcomings of the analog control system, a digital control system is proposed
分析了採用鎖相環對電機轉速進行閉環控制的原理；設計了磁懸浮力的模擬控制器並對磁懸浮血泵電機進行了實驗研究；針對模擬控制系統存在的缺點，本文設計了一種數字控制系統。 -
Therefore, it is proved that the control with high - speed on - off valves can realize the servo control function that be carried out with analog control whose control flowrate is proportional to is value. secondly, the paper builds up the mathematics model of the normal pneumatic servo system based on the symmetry structure, and the main characteristic parameters are analyzed and then introduce the theories to increase
論文基於易於進行分析的對稱結構的高速開關閥閥控氣缸，建立了氣壓伺服系統動力機構的數學模型，分析了其主要性能參數，提出了提高純氣動伺服系統阻尼比的方法，並從理論上分析了其實現的可能性。 -
Current turntable control system usually adopts digital - analog control method. with the development of computer science and photoelectric encoder, numeralization of control system has become the trend for designing turntable control system
現有的轉臺控制系統一般採用數? ?模混合控制方式，隨著計算機技術與光電編碼器的飛速發展，控制系統的數字化已成為轉臺控制系統設計實現的發展趨勢。 -
Speed signal with multi - step and analog control
速度信號支持多段速控制和模擬量信號控制 -
Comparing with the digital control system, the current existing analog control system has much of flaws, such as bad control precision and a small dynamic range etc. and it cannot match good precision req uest for the control of seismic simulation shaking table. for digital control system, if a good control algorithm can be implemented, the control problem can be solved effectively
但對現有的模擬控制系統來說由於其存在控制精度差、動態范圍小等缺點，對精度要求比較高的地震模擬來說，己不能滿足要求，而數字控制系統只要選擇合適的控制演算法，就能有效的解決這些問題。 -
During graduated study, the author participated in many development projects, in which " fully automatic biochemical analytic instrument " and " analog control equipment under extreme temperature and extreme pressure project " were both built on the virtual instrument architecture established by the author. instructions for these two projects were in chapter vi and vii, such as analyzing the key technique and difficulty in the development and solutions to the problems
其中全自動生化分析儀與高溫高壓極端環境模擬平臺項目都是以自主構建的虛擬儀器體系結構模型為核心，制定項目開發方案的，第六章與第七章將分別介紹這兩個開發實例，分析項目開發關鍵技術、難點，提出解決方案並介紹實現方法。 -
Entertainment technology - lighting control systems - 0 to 10v analog control specification
娛樂技術.照明控制系統. 0至10v模擬控制規范 -
The control circuit built with conventional analog control is unavoidably cumbersome, the digital control method can simplify the design of circuit, and can satisfy the requirement of the lamps well
傳統的模擬控制往往顯得麻煩且復雜，數字控制能夠簡化電路設計，並且可以使其更好地滿足燈負載的要求。 -
Analog control equipment
模擬控制設備 -
Analog control channel
模擬控制通道 -
There are two kinds of control system of analog control and digital control
這樣的控制系統基本上可分為2種類型：模擬控制和數字控制。
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