誤差控制技術 的英文怎麼說
中文拼音 [wùchākòngzhìjìshù]
誤差控制技術
英文
error control techniques- 誤 : Ⅰ名詞(錯誤) mistake; error Ⅱ動詞1 (弄錯) mistake; misunderstand 2 (耽誤) miss 3 (使受損害...
- 差 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 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...
- 技 : 名詞(技能; 本領) skill; ability; trick; technique
- 術 : 術名詞1. (技藝; 技術; 學術) art; skill; technique 2. (方法; 策略) method; tactics 3. (姓氏) a surname
- 誤差 : error
- 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
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As to the critical technological problems of the interlock control of three - car coke oven - oven number identification, accurate contraposition and data transmission, the author proposes solutions respectively - rfid, three - light positioning device, coke oven controller and radio transmission network. these solutions can ensure accurate identification of the oven number. for example, the deviation of the automatic parking position is within 10mm
針對三車聯鎖控制環節的關鍵技術:爐號識別、精確對正和數據通信,本系統採用了射頻識別( rfid )裝置、三燈位置檢測裝置、焦車控制器、無線通訊網路等解決方案,可實現無差錯的爐號識別,自動停車定位誤差在10mm以下,通信數據可靠等系統要求。First, based on phased array antenna ' s mono - pulse goniometry and separate coordinate technology about phase control, the antenna beam pointing error formula, caused by phase quantization error, is derived from linear array and circular array to planar array and cylindrical array
首先以單脈沖相控陣天線測角原理為基本理論出發點,利用相位控制的坐標分離技術,基於線陣、圓形陣等簡單形式的相控陣天線,推導了平面陣、圓柱面陣等相控陣天線由相位量化誤差引起的波束指向誤差公式。The grating and reticle, which linewidth errors are less than 10 % nominal linewidth, are fabricated by ldw. for the first time metallic mesh film with area 200mm 200mm fabricated by using ldw photolithography and coating technology
本文完成了直角坐標激光直寫光刻技術研究,開展了離焦激光直寫光刻的工藝研究,製作了光柵和網格分劃板,線寬誤差控制在10 %以內。The feedbacks of position, velocity, acceleration and dynamic pressure were applied to adjust the model, so the control system of single jar electrodraulic servo mechanism was built. to reduce the system error and interference error, the compound control was designed. the results of simulations showed that the magnitude attenuation and phase lag of the system come to the project demand
引入包括位置反饋、速度反饋、加速度反饋和動壓反饋在內的反饋控制技術對電液伺服驅動機構模型進行綜合校正,從而建立單缸電液伺服控制系統,並在分析系統誤差和擾動誤差后,加入復合控制減小系統誤差和抑制干擾,模擬結果表明復合控制系統的控製品質有了明顯改善,能夠滿足工程需求。This paper first begin with the connotation of virtual instrument technology, study and discuss the criterion and the working theory of usb deeply. on the principle of usb1. 1criterion, using usb interface chip usbn9604 and low consumption mirochip c8051f231, we designed the available interface of usb bus and its controlling software, turn the communicating function based usb bus between computer and testing device. second based on the developed interface of usb bus, using microchip pic16c62 and a mount of relays, we designed the multiswitching scanner and its controlling software to complete the funtion of accesses swithing in testing system. third calling the api function inside the windows using vb programming language, communicat with the impelling program of selected hid, achieve the function of testing instrument with usb interface, complete the development of upside software faced testing. at last, based on the deep studying of pcb testing method, used the developed multiswithing scanner and software faced testing, combinated with necessary testing instrument, we constructed the pcb testing system and analized the testing result simply
論文首先從虛擬儀器的技術內涵出發,深入研究和討論了通用串列總線usb規范及工作原理,並依據usb1 . 1規范,採用usb介面晶元usbn9604和低功耗微處理器c8051f231設計開發了通用的usb總線介面及其控制固件,實現了通用計算機與測試設備之間基於usb總線的通信功能;其次,在所開發的usb總線介面的基礎上,使用微處理器pic16c62和多路繼電器開關,設計開發出實現測試系統中測試通道切換功能的多路通道掃描器及其控制固件;再次,採用vb語言編程,調用windows內部api函數,與選定hid類驅動程序進行通信,實現usb總線介面測試儀器功能,完成面向測試的上層軟體開發;最後,在深入研究印刷電路板測試方法的基礎上,利用已開發的多路通道掃描器和面向測試軟體,結合必要測試儀器組建印刷電路板測試系統,並對測試結果進行了簡要的誤差分析。For the existing transformer cooling control system has many shortcomings such as the complicated system control circuit, the low reliability, the protection methods of blower fan being so simple, large control error, high fault rate, massive maintenance work and no method to realize telecommunication, this thesis develops a novel intelligent power transformer air - cooled control system based on the center of microprocessor through all - round technology analysis and research
本文針對變壓器冷卻系統使用常規控制系統存在的系統控制迴路復雜、可靠性低、風機的保護方式簡單而無法進行故障預測、主變壓器油溫測量精度低造成控制誤差大、故障率高、維護工作量大、無法實現遠程通訊等問題,經過多方面的技術分析和調研,設計開發了新型的以微處理器為核心的智能式電力變壓器風冷卻器控制系統。So the drift error of gyro is always the main source of error in the control and navigation system, the study of technology of measurement and compensation plays more and more important part in this field
由於陀螺的漂移誤差是整個控制和導航系統的重要誤差源,所以,對陀螺儀漂移的測試及補償技術的研究具有越來越重要的意義。In chapter 4 we discuss the design of the high speed and high performance vlsi and its imp1ementation, firstly we ana1yze and compare the features and ru1es of al1 kinds of fft algorithm, adopt complex radix 4 butterfly calcu1ation as basic alu, then discuss all kinds of process architectures, the design thoughts, rule, method, technique way, the characteristics of the design are r4 dit algorithm, pingpong ram design method and pipeline structure between stages. we also analyze the limited word length effect and the method to avoid overflow of the fixed points fft process, bring out the expandable platform mode
第四章主要討論了高速高性能的快速傅立葉變換處理器的設計和實現,首先分析和比較了各種快速傅立葉變換演算法的特性和規律,提出基4蝶算的演算法具有最好的性價比,討論了順序、級聯、并行和陣列的處理結構,闡述了設計高速高性能快速傅立葉變換處理器時的設計原則、設計思路、所採用的技術路線,驗證並測試fft處理器,分析了定點fft處理過程由於有限字長效應所產生的量化誤差的范圍及防溢出控制辦法,提出了可擴展平臺模式。It has made experiment detection and rectification with signal control technology for the position signal error
利用數字控制技術對位置信號誤差角進行了實驗檢測及校正。In this scheme digital demodulator is used to detect ifog ' s signal, digital phase ramp modulator is used as feedback controlling and digital filter is used to limit noise and lower the bits of a / d ? d / a converters
閉環方案中,採用數字解調方案進行信號檢測,採用數字相位階梯波調制技術進行反饋控制,採用數字濾波、數值濾波降低噪聲和消除a / d 、 d / a轉換死區誤差。To fulfill the need of the application of rp technique in medical domain, reverse cad modeling from medical cross sections is systematically studied in this dissertation. firstly, some algorithms related to the research of this dissertation are studied. new algorithms for orientation and inclusion test for simple polygon, an error constrained automatic faring algorithm for b - spline curve and a theorem regarding the termination criterion for subdivision of triangular bezier patch are proposed
本文針對rp技術在醫學領域應用的需要,系統研究了基於醫學斷層輪廓數據的反求cad建模理論和方法: ( 1 )在基礎演算法研究部分,提出了簡單多邊形方向及點在多邊形內外判斷的新方法、三角b zier曲面片離散的誤差控制定理和一種帶誤差約束的b樣條曲線的自動光順方法; ( 2 )提出了一種基於相鄰層輪廓相似性的醫學斷層輪廓數據曲面重構方法; ( 3 )提出了一種稱為「虛擬測量」的曲面模型處理方法。This paper gives the way of using the ac servo drive instead of the traditional drive mode consisted of the main motor, the gears and belts, realizing the synchronous drives of the multi - motors. the closed loop control technology of the speed and the position embedding has been adopted to track in real time, then to reduce the transmission error and the noise, so as to increase the control precision and the stability of the combination and simplify the maintenance and repair of the mechanical and technical system
採用交流伺服驅動代替傳統的由主電機、齒輪和皮帶組成的傳動方式,實現多電機同步驅動;採用速度環和位置環嵌套的閉環控制技術,進行實時跟蹤,達到減小傳動誤差、減小噪音,增強機組的控制精度與穩定性、簡化機電系統的維護與修理的效果。In communication systems, there are mainly two methods for controlling transmission errors, one of which is forward - error - correction ( fec ) and the other is automatic - repeat - request ( arq )
數據傳輸系統中有兩種技術被用來控制傳輸錯誤:即前向差錯控制技術( fec )和自動要求重傳技術( arq ) 。Secondly, by incorporating the temporal difference prediction technique with the genetic algorithm, a novel hybrid genetic neural networks for controlling nonlinear chaotic system based on the scheme of small perturbations and the use of gradient descent learning method is presented ( known as hygann strategy )
2 .研究了一種將暫態誤差預測技術、小擾動控制技術、梯度下降法和遺傳演算法( ga )融合起來控制非線性混沌系統的復合遺傳神經網路方法(簡稱hygann法) 。One - cycle control technique is conceived to control the duty - ratio d of the switch in real time such that in each cycle the average value of the chopped waveform at the output diode of the switch rectifier is exactly equal or proportioned to the control reference. it can eliminate automatically instantaneous error in every one cycle and the error belonging to the former cycle ca n ' t be brought to next cycle
單周期控制技術的基本思想是控制開關的占空比,在每個周期內強迫開關變量的平均值與控制參量相等或成比例,它能在一個開關周期內自動消除瞬態誤差,前一周期的誤差不會帶到下一周期。New synchronous control technology based on double closed - loop zero - error hardware interpolation and its application
新型雙閉環零誤差硬體插補同步控制技術及應用Direct torque control using space vector modulation ( svm - dtc ) scheme is discussed and the detailed designed, including space vector choosing and modulating, to overcome the control difficulties coming with the characteristic of low inductance. comparing with the basic dtc, the simulation results confirm the feasibility and good performance of this strategy. in order to reduce the torque error in dynamic state resulted from the nonlinear relationship between the torque and torque angle, a proportional - plus - integral ( pi ) torque controller with variable proportion is presented to ensure exact and quick control of torque in dynamic state
系統的闡述了永磁同步電機直接轉矩控制理論,分析了改進后的svm - dtc控制策略,並具體設計了控制技術的實現方案,包括參考矢量的生成和空間電壓矢量調制的方法;為減小電磁轉矩與轉矩角非線性關系這一因數給電機電磁轉矩動態調節造成的誤差,本文實現了變比例系數轉矩pi調節器的方案,確保了系統穩定性的同時,實現了電磁轉矩在動態過程中快速而準確調節。In this paper, both error sources of the automatic test system and error correction principles of modern programmable microwave instruments are also analyzed. error correction technique is used to make the system error within the allowed range so that system test accuracy is greatly increased
論文還分析了本自動測試系統的誤差來源,分析了現代可程式控制微波儀器的誤差修正原理;利用誤差修正技術,將系統誤差修正到測量允許的范圍,大大地提高了系統的測試準確度。The teclinique of varying order and step size of integration is researched according to the truncation error controi. the study results have established the theory bases for the numerical integral methods of the full dynandc simulation
並研究了根據積分的截斷誤差控制,自動變階變步長的技術,為電力系統全過程動態模擬技術中的數值積分方法奠定了堅實的理論基礎。The star calibration system, which is one of methods to calibrate precision and adjust tolerance of tracing and measuring devices in fields, has been widely applied to high precision tracing and measuring devices such as photoelectric theodolites, radars, etc. combining with many researching fields such as astronomy, computer control technology, communication, science engineering algorithm, etc, star calibration software have characteristics of large size, long development period, etc, but their inherent coherence and constant establish the base of abstract and reuse
星體標校系統是實現跟蹤測量設備外場精度標校和誤差調整的方法之一,廣泛應用於光電經緯儀、雷達等高精度跟蹤測量設備中。星體標校軟體集天文、計算機控制技術、通訊、科學工程計算等眾多知識領域,具有軟體規模大,開發周期長等特點,但其本身存在一致性和不變性,奠定了它們的可抽象性和可復用性的基礎。分享友人