角加速度測 的英文怎麼說
中文拼音 [jiǎojiāsùdùcè]
角加速度測
英文
angular accelerometer-
This kind of sensor can be used to measure the angle of the inclined plane and the acceleration
它可以用來測量斜面的傾斜角,兼可以測量加速度。磁流體傾斜角傳感器的研究還處于初級階段。In astronomical coordinates ( reference mark is north latitude 43. 9 ), analyzed is the effect of azimuth angular velocity, acceleration and altitude angular velocity, acceleration etc. some formulae were given to compute all correlative quantities. with regard to the course of data processing beforehand, the thesis focuses on outliers eliminating technology because of outlier increasing acutely of high - elevation tracking ( approaches 10 - 20 % )
在觀測坐標系中推導出確定天頂盲區理論范圍公式和滿足過天項跟蹤條件的關系式;在天文坐標系中以長春衛星觀測站(北緯43 . 9 )作為計算基準,分別討論了方位、俯仰方向的角速度、角加速度等對天頂盲區的影響,在理論分析上為解決過天頂跟蹤問題打下了基礎。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。When high - bandwidth star sensor measurements are available, according to the singer tracking model, the full angular acceleration is modeled as a first order markov process while the use of the attitude dynamics is totally avoided
在能夠獲得高頻星敏感器測量的情況下,針對模型不確定問題,提出了一種基於singer模型的新的濾波演算法,把角加速度建模為一階馬爾科夫過程,從而避免了使用姿態動力學模型。This method of diesel engine fault diagnosis is feasible theoretically. while the fault diagnosis system using this method is rare, just because the crankshaft instantaneous angular acceleration measurement is demanding, such as, good frequency response, high precision
這種柴油機故障診斷的方法在理論上是可行的,但目前這種成型的系統不多,究其原因是測量曲軸的瞬時角加速度需要系統具有良好的頻率響應特性與高精度。Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation
在近年來提出的基於質點運動學原理的單站無源定位理論基礎上,本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型,並對它們進行了分析和模擬;第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件;第四章針對傳統擴展卡爾曼( ekf )方法的缺點,提出了一種修正協方差的擴展卡爾曼濾波( mvefk )方法,並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較;第五章通過引入雷達機動目標跟蹤方法和模型,提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法;第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究,提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。Research on inclination angle measurements with high accuracy using servo - accelerometer
伺服加速度計用於高精度傾角測量的研究Usually in the past inertial measurement systems gyros are used to sense angular velocity and accelerometer for linear acceleration
在以往的慣性測量系統中,常用陀螺測量角速度,而用線加速度計感受線加速度。Error analysis on getting inertial angular position with linear accelerometers is improved
改進了對線加速度計測量慣性姿態角的誤差分析。Theory of getting inertial angular position from linear accelerometer measurements with double integration algorithm is analyzed
分析了使用線加速度計測量慣性角加速度,通過二次積分演算法得到慣性姿態角的原理。Two types of alignment algorithms on moving base were put forward in this paper, one with angular velocity matching, and another with acceleration matching. the error models and measurement models in consideration of ship flexure and lever - effect were deduced respectively. the alignment methods were verified by simulation
提出了兩種動基座傳遞對準的方法,一種是採用角速率匹配,一種是採用加速度匹配,並分別推導了在考慮船體變形和桿臂效應時傳遞對推的誤差方程和量測方程,通過模擬驗證了這兩種傳遞對準方法的正確性。A linear filter is adopted in the system to obviate the measurement of angle acceleration and to achieve the closed - loop speed control
系統實現時,構造了一個線性濾波器以避免轉子角加速度的測量,同時實現了轉速的閉環跟蹤。In this project the main hardware are atmega162 and pdiusbd12. atmega162 is avr micro - controller of atmel corporation with high performance and high speed. pdiusbd12 is the product of philips and it ’ s of usb1. 1 standard
本課題提出了以愛特梅爾公司的高性能、高速度的avr單片機atmega162與具有usb1 . 1技術規范的philips公司的pdiusbd12晶元構成曲軸角加速度測量系統的硬體框架。The traditional evaluating and testing the tracking precision of o - e theodolite tv tracking system is nearly invalid when o - e theodolite tracking fast moving targets by analyzing in theory and simulating in this dissertation
論文首先通過理論分析和模擬,分析了傳統的評價和檢測光電經緯儀電視跟蹤伺服系統跟蹤精度的方法無法評價光電經緯儀跟蹤快速角速度、角加速度運動目標的情況。Using piezoresistive accelerometers and magnetoresistance sensors measure the dynamic acceleration and geomagnetic field and through avr mcu software to calculate the attitude angular and azimuth. the fact of affecting the module is discussed in detail in this report and put forward the resolving scheme of key technology of digital filter, linear compensation, temperature compensation and magnetic field adjustment. the digital module has advantages of small size, light weight, low conception, high accuracy, all solid state and high reliability
本課題採用壓阻式加速度計和磁阻傳感器分別測量重力加速度和地磁場,通過avrmcu軟體解算出姿態角和方位角,課題詳細分析了影響模塊性能指標的因素,就數字濾波、線性補償、溫度補償、磁場修正等關鍵的技術問題提出了可行的解決方案,研製的數字化模塊具有體積小、重量輕、低功耗、精度高、全固態、高可靠等特點,所有性能指標均滿足設計要求,為姿態角測量提供了有效的手段。Consider to simplifying the process of calibrating dynamic error parameters of accelerometer and shortening the time of calibrating test, all dynamic error parameters are calibrated at one - time, based on the mathematic model of dynamic error of accelerometer and integrating the model and the testing theory of the three - axis turntable, meanwhile, the angle - vibration table is avoided
摘要為了簡化加速度計動態誤差系數的標定過程,縮短標定試驗時間,在建立加速度計動態誤差數學模型的基礎上,結合三軸轉臺模型及測試原理,一次性標定出加速度計動態誤差系數,同時避免了角振動臺的使用。Through the study with non - linearity friction on simulation model of the stabilized system, in theory the analysis of the angular acceleration loop ' s contribution is given. in testing platform, the measure devices of angular acceleration and velocity constitute the double loops, they are angular acceleration loop and angular velocity loop. and this experiment gives the proof that the angular acceleration loop could eliminate the errors which are taken by the motor ' s reversing
最後,本文在理論上分析角加速度環對隔離度的貢獻;通過對含有非線性摩擦力矩的平臺穩定系統模擬模型的研究,從理論上驗證角加速度環具有克服摩擦力矩的能力;在實驗轉臺上加入由線加速度計構成的角加速度測量裝置,並與測速機構成角加速度環、角速度環雙環結構,驗證了角加速度環對電機換向誤差的消除作用。3. the project using ins / gps system data to estimate the angle of attack and sideslip is brought forward first. this project using the ins / gps system data, such as acceleration and velocity signal, and others signals of the aircraft, such as gyros and the mathematic models, to estimate virtual signal
首次採用ins gps系統數據來估計迎角和側滑角傳感器參數原理和方法,利用ins gps系統測量的地速和總加速度信號結合飛機其他傳感器和數學模型估計得到了迎角和側滑角傳感器的虛擬信號,該種方法具有很好的實時性。The observer using the coupling of axial and lateral and having feedback of acceleration is investigated. this method can estimate the angle of attack and the sideslip angle synchronously. an optimization named extrem is applied to optimize the feedback plus matrix
研究了採用縱橫向耦合且具有線加速度反饋的非線性觀測器方法,該方法能夠同時估計迎角和側滑角參數,並採用extrem優化方法對其反饋參數增益參數進行了優化設計。The development of accelerometers in the world is summarized in this paper, and some kinds of them are discussed in detail. according to the formula of synthesis angular velocity and acceleration, this paper analyzes the desired measure precision of the acceleration and finds out the appropriate accelerometers for lab or engineering
介紹了線加速度計發展狀況,著重討論了幾種適于平臺穩定系統中應用的加速度計;根據角速度、角加速度合成公式,分析了平臺穩定系統對線加速度測量精度的要求,並據此分別找出了適于實驗室理論驗證與工程應用的加速度計。分享友人