control accelerometer 中文意思是什麼

control accelerometer 解釋
控制加速表
  • control : n 1 支配，管理，管制，統制，控制；監督。2 抑制（力）；壓制，節制，拘束；【農業】防治。3 檢查；核...
  • accelerometer : n. 加速表，加速計，加速儀；過荷指示器。
  1. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。
  2. Analysis of the electrostatic accelerometer gas damping coefficient and its influence to the control system characteristic

    靜電懸浮加速度計氣體阻尼及其對控制系統特性影響分析
  3. Traditional inertial mechanized - platform uses velocities to damp the system attitude to improve the precision of attitude, when the system acceleration is small. referring to the idea, this paper designeda damp kalman filter in strap - down attitude heading reference system ( ahrs ). the new method makes use of 3 - d accelerometer ' s measurements to estimate the system attitude, which is measured to compensate attitude errors. because the acceleration affected the precision of fiher directly, the fuzzy adaptive system was presented. the fuzzy logic inputs are three accelerations and the output is to control the measurement noise covariance matrix. simulations and experimental results prove that the damp algorithm can damp most of schuler oscillation and foucauh oscillation, so that to assure the filter convergence and efficiently improve the precision of strap - down ahrs

    在系統機動性不強的情況下，傳統的平臺內阻尼演算法將系統本身的速度信息通過阻尼網路加到系統中，達到提高姿態角精度的目的.將這種平臺內阻尼的思想引入到捷聯慣性航姿系統中，在系統加速度較小的情況下，利用加速度計的輸出估計系統姿態角，通過卡爾曼濾波的形式補償系統姿態誤差.由於加速度的大小直接影響濾波器精度，本文設計了模糊自適應卡爾曼濾波演算法，根據三軸加速度計的輸出調整內阻尼量測誤差方差陣，從而避免了濾波器的發散.模擬和實驗驗證，內阻尼演算法可明顯抑制舒勒周期振蕩和傅科周期振蕩，避免了系統姿態漂移，有效提高了捷聯慣性航姿系統的精度
  4. Some further research work on the theories and methods of the calibration of piezoelectric accelerometer has been done and control techniques of virtual instrument have been introduced to increase the automation degree of the calibration system in this paper

    本文在壓電加速度傳感器的校準理論和方法問題上作了進一步的研究工作，並引入虛擬儀器控制技術到校準系統中提高了校準系統的自動化程度。
  5. The introducing of control techniques of virtual instrument ( vi ) in the calibration system by this thesis not only makes the costly instruments is not necessary, but also make use of computer to control the calibration system and acquire, analysis, handle and save output data of piezoelectric accelerometer

    論文引入了虛擬儀器控制技術到校準系統中，不僅可以省去了相對昂貴的多的實際測量儀器，而且還利用了計算機對整個校準系統的自動控制，以及對壓電加速度傳感器的輸出信號數據的自動採集、分析、處理和保存。
  6. In order to obtain an optimal estimate of the tilt angle and angle velocity, an indirect kalman filter configuration combining a rate gyroscope sensor and an accelerometer is implemented. because of the extreme nonlinearity of the two - wheeled self - balancing robot, application feasibility of nonlinear system control strategy based on linear approximation method, exact linearization and intelligent control have been investigated. according to robustness, balancing performance and environment adaptability, robust tracking control, linear quadratic regulator and fuzzy model reference learning control are implemented to the velocity controller

    針對具有強非線性的前進子系統，論證了基於近似線性化、精確線性化及智能控制的非線性系統控制策略的應用可行性，據此按照不同性能要求設計了三種前進速度控制器:漸近跟蹤魯棒調節器簡單精確，具有良好的干擾抑制能力;二次型最優跟蹤控制器，在耗能最小的條件下，大大提高系統的平衡能力;而基於動態聚焦學習的模糊模型參考學習控制則兼具平衡性能好、環境適應性強、精度高及魯棒性好的優點。
  7. Change of temperature will affect the data acquisition precision of a / d conversion circuit. in this paper, the principle of adc and the effect of the factors of a / d conversion circuit are analyzed, and the relation model of a / d conversion circuit temperature and accelerometer output is established. after compensating the temperature error by using the temperature model, the data acquisition precision of the accelerometer has been improved observably. thirdly, in the temperature control turntable, we perform the static temperature experiment of orthogonal accelerometers

    文中分析了a / d轉換器的工作原理，以及影響a / d轉換電路輸出精度的各種因素，並通過多項式擬合的方法找到了加速度計靜態輸出隨a / d轉換電路溫度變化的規律。利用該規律對a / d轉換電路的溫漂進行補償，補償后加速度計的輸出滿足了測量精度的要求。
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