feed forward造句
例句與造句
- The fault diagnosis based on nn is studied . it is studied deeply that bp algorithm of feed forward neural network that is used in fault diagnosis . an improved bp algorithm is proposed , and applied to the fault diagnosis of the rotating machinery
基于神經(jīng)網(wǎng)絡(luò)的智能故障診斷深入研究了故障珍斷中廣泛應(yīng)用的前向反饋網(wǎng)絡(luò)的bp算法，針對(duì)其存在的缺陷給出了相應(yīng)的改進(jìn)措施，并在旋轉(zhuǎn)機(jī)械故障診斷中進(jìn)行驗(yàn)證。 - In this paper , multi - layer feed forward neural network founded on non - gradient single parameter dynamic search algorithm ( spds algorithm ) is employed . inputting the actual data bands on adopting the appraisal model and analyzing the outputting data
其中，通過(guò)人工神經(jīng)網(wǎng)絡(luò)方法建立了指標(biāo)體系的評(píng)價(jià)模型，并采用容易收斂的基于非梯度的單參數(shù)動(dòng)態(tài)搜索算法( spds算法)訓(xùn)練網(wǎng)絡(luò)，輸入實(shí)測(cè)數(shù)據(jù)庫(kù)，最后輸出結(jié)果。 - The method using wavelet packet analysis is proposed to extract fault information from vibration signal obtained from testing jig of tilting train . the vector comprised of the energy of signal in all spectrum bands is input to a feed forward neural network
利用小波包分析，將擺式車體試驗(yàn)臺(tái)上采集到的振動(dòng)加速度信號(hào)分解在相互獨(dú)立的頻帶之p內(nèi)，各頻帶內(nèi)的能量值形成一個(gè)向量，將其作為神經(jīng)網(wǎng)絡(luò)的輸入特征向量， 。 - The automation of coal flotation has been wandering for many years in china . the production efficiency is relatively low because of the feed forward control which adds the flotation reagent based on the fine coal in feed slurry , ignoring the quantity and quality of the products . aiming at this problem , method of measuring the flotation technical parameters was studied , the slurry level meter and the slurry ash - measuring device were worked out , and the computer control system of the coal flotation was designed . the feedback control was realized by using the fuzzy logic control control technology to regulate the reagent addition and the slurry level in the flotation tank according to the concentrate ash content detectedby the coal slurry ash - measuring device developed . the industrial experiment indicates that the performance inedxes of the coal slurry ashmeasuring device have come up to the advanced levek of the world . the application of the detection and control system in huaibei coal preparation plant results in a high concentrate recovery , a decrease of the reagent consumption , ensuring a highly efficient operation
浮選自動(dòng)化在我國(guó)多年來(lái)徘徊不前，一直采用根據(jù)入浮煤漿中的干煤泥量來(lái)確定加藥量的前饋控制方法，而不直接以產(chǎn)品的數(shù)質(zhì)量指標(biāo)作為控制目標(biāo)，導(dǎo)致浮選生產(chǎn)效率較低.針對(duì)上述問(wèn)題，研究了浮選工藝參數(shù)的檢測(cè)方法，開(kāi)發(fā)了浮選漿位儀和煤漿測(cè)灰儀，設(shè)計(jì)了浮選計(jì)算機(jī)控制系統(tǒng)，它根據(jù)煤漿測(cè)灰儀旁線檢測(cè)的精煤灰分，運(yùn)用模糊控制技術(shù)，通過(guò)調(diào)整浮選藥劑添加量和浮選機(jī)漿位，來(lái)實(shí)現(xiàn)浮選過(guò)程的反饋控制.工業(yè)性試驗(yàn)表明，煤漿測(cè)灰儀的性能指標(biāo)接近國(guó)外先進(jìn)水平.煤泥浮選測(cè)控系統(tǒng)在淮北選煤廠的現(xiàn)場(chǎng)使用，使浮選生產(chǎn)在精煤灰分合格的前提下，得到了較高的產(chǎn)率，并降低了藥劑用量，從而保證選煤廠高效率地運(yùn)行 - Feed back control base on nonlinear pid with self - adjust parameter and feed forward control base on experience model are employed in the practical application . the realization of this control system and its result are introduced in this paper . because the process of the reaction is complicated , it ' s difficult to model for it
在對(duì)中和過(guò)程自動(dòng)控制算法的探索中，采用了非線性參數(shù)自整定控制和基于模型的前饋控制，本文介紹了這種控制系統(tǒng)的實(shí)現(xiàn)和現(xiàn)場(chǎng)控制效果，由于中和控制過(guò)程的模型極其難以確定，反應(yīng)過(guò)程變化復(fù)雜，因此基于模型的前饋控制無(wú)法對(duì)ph值和流量值的波動(dòng)進(jìn)行有效的補(bǔ)償。 - It's difficult to find feed forward in a sentence. 用feed forward造句挺難的
- According to the mechanism of feed forward neural network , some issues about neural networks - based modeling of hysteretic behavior of reinforced concrete member are discussed . back propagation ( bp ) neural networks model is build to predict the hysteretic behavior of the reinforced concrete abnormal joints under low reversed cyclic loading . 2
從前饋神經(jīng)網(wǎng)絡(luò)原理分析出發(fā)，探討了應(yīng)用神經(jīng)網(wǎng)絡(luò)技術(shù)模擬鋼筋混凝土構(gòu)件恢復(fù)力行為的若干問(wèn)題，并建立了基于bp神經(jīng)網(wǎng)絡(luò)的鋼筋混凝土框架異型節(jié)點(diǎn)在低周反復(fù)荷載作用下的恢復(fù)力特性預(yù)測(cè)模型； 2 - This article emphatically discussed and analyzed following points : load command feed forward function can improve the rapid respond character of steam turbine generator ; lead of load command have advance control function on boiler main control and can highly improve the stability of main steam pressure ; the use of predict control and state space variable function can improve the quality of boiler steam temperature control effectively , control the steam temperature in the defined range and increase the boiler and turbine life and efficiency even if working state changed in a big range ; linear compensation can restrain the vibration of generator load in the condition of big loa d change
本文重點(diǎn)討論、分析提出負(fù)荷指令前饋?zhàn)饔每梢蕴岣咂啺l(fā)電機(jī)快速響應(yīng)特性；負(fù)荷指令的導(dǎo)前功能對(duì)鍋爐主控有超前控制作用，能顯著提高主蒸汽壓力的穩(wěn)定性；采用預(yù)測(cè)及狀態(tài)空間法能有效改進(jìn)鍋爐蒸汽溫度控制品質(zhì)，在大幅度工況變化下仍有效控制蒸汽溫度在額定范圍內(nèi)，提高鍋爐、汽輪機(jī)壽命及其效率；汽輪發(fā)電機(jī)組的快速響應(yīng)性與汽輪發(fā)電機(jī)組負(fù)荷振蕩問(wèn)題間的平衡關(guān)系，采用線性補(bǔ)償可以有效抑制在負(fù)荷變化梯度較大情況下發(fā)電機(jī)負(fù)荷振蕩問(wèn)題。 - Piston ring is the important accessory of the engine and turning its contour is the key procedure to ensure the performance of piston ring it has great value in economy and society that we develop the nc machining system for outer circle of piston ring to manufacture the high quality piston ring and to replace the import machine according to piston ring contour data provlded by the cad system ， it can turn the piston ring contour by controlling the displacement of servomechanism which is controlled by the angle of servo motor it uses the theories of velocity closed loop 、 dlsplacement closed loop and feed forward control to improve the control precision of system on the basis of theories of elastic mechanics and mathematics ， the cad system can provide the accurate data required by the nc machine system according to the calculation model and the parameters of piston ring this system integrates the cad cam technology
系統(tǒng)根據(jù)活塞環(huán)cad系統(tǒng)生成的接口數(shù)據(jù)，通過(guò)伺服電機(jī)的轉(zhuǎn)角位置控制自主研制的高性能微位移進(jìn)給機(jī)構(gòu)產(chǎn)生給定的位移，以完成活塞環(huán)輪廓的仿型加工。系統(tǒng)采用速度、位置閉環(huán)控制及前饋控制理論，以提高系統(tǒng)的控制精度?；钊h(huán)cad系統(tǒng)以彈性力學(xué)和數(shù)學(xué)方法為基礎(chǔ)，根據(jù)常用的計(jì)算模型與活塞環(huán)參數(shù)自動(dòng)生成數(shù)控加工系統(tǒng)所需的精確的接口數(shù)據(jù)，實(shí)現(xiàn)cad / cam一體化。 - Abstract : the automation of coal flotation has been wandering for many years in china . the production efficiency is relatively low because of the feed forward control which adds the flotation reagent based on the fine coal in feed slurry , ignoring the quantity and quality of the products . aiming at this problem , method of measuring the flotation technical parameters was studied , the slurry level meter and the slurry ash - measuring device were worked out , and the computer control system of the coal flotation was designed . the feedback control was realized by using the fuzzy logic control control technology to regulate the reagent addition and the slurry level in the flotation tank according to the concentrate ash content detectedby the coal slurry ash - measuring device developed . the industrial experiment indicates that the performance inedxes of the coal slurry ashmeasuring device have come up to the advanced levek of the world . the application of the detection and control system in huaibei coal preparation plant results in a high concentrate recovery , a decrease of the reagent consumption , ensuring a highly efficient operation
文摘:浮選自動(dòng)化在我國(guó)多年來(lái)徘徊不前，一直采用根據(jù)入浮煤漿中的干煤泥量來(lái)確定加藥量的前饋控制方法，而不直接以產(chǎn)品的數(shù)質(zhì)量指標(biāo)作為控制目標(biāo)，導(dǎo)致浮選生產(chǎn)效率較低.針對(duì)上述問(wèn)題，研究了浮選工藝參數(shù)的檢測(cè)方法，開(kāi)發(fā)了浮選漿位儀和煤漿測(cè)灰儀，設(shè)計(jì)了浮選計(jì)算機(jī)控制系統(tǒng)，它根據(jù)煤漿測(cè)灰儀旁線檢測(cè)的精煤灰分，運(yùn)用模糊控制技術(shù)，通過(guò)調(diào)整浮選藥劑添加量和浮選機(jī)漿位，來(lái)實(shí)現(xiàn)浮選過(guò)程的反饋控制.工業(yè)性試驗(yàn)表明，煤漿測(cè)灰儀的性能指標(biāo)接近國(guó)外先進(jìn)水平.煤泥浮選測(cè)控系統(tǒng)在淮北選煤廠的現(xiàn)場(chǎng)使用，使浮選生產(chǎn)在精煤灰分合格的前提下，得到了較高的產(chǎn)率，并降低了藥劑用量，從而保證選煤廠高效率地運(yùn)行 - Check the current and voltage on charge or discharge , use fuzzy control principle and ah approach to estimate the soc , and correct the actual charge to get the exact result , in this work , a multi - layer feed forward neural paradigm is used for soc fuzzy estimator design , and a rapid learning algorithm that is realized model structure identification is proposed also , and find the fuzzy principles make use of their massively parallel architecture and learning capacity
構(gòu)造一多層前饋神經(jīng)網(wǎng)絡(luò)來(lái)進(jìn)行模糊推理，提出了一種快速學(xué)習(xí)算法用于網(wǎng)絡(luò)的學(xué)習(xí)過(guò)程，利用神經(jīng)網(wǎng)絡(luò)的并行計(jì)算、自學(xué)習(xí)的特性，根據(jù)樣本數(shù)據(jù)發(fā)現(xiàn)模糊推理規(guī)則，并在應(yīng)用過(guò)程中對(duì)模糊規(guī)則自動(dòng)修正，提高預(yù)測(cè)準(zhǔn)確性。這種方法不需要對(duì)蓄電池有很多的先驗(yàn)知識(shí)，不需要建立復(fù)雜的數(shù)學(xué)模型。 - The pid parameters adjustment methods are studied for single loop - control sy stems ^ cascade control systems , feed forward back forward control systems and 2 * 2 multivariable control systems according to the character of thermal processes control . the optimal adjustment strategy of using simple shape algorithm to search the optimal pid parameters with the initial pid parameter values obtained by related adjustment methods is proposed . the optimal adjustment soft is developed also
針對(duì)熱工過(guò)程的特點(diǎn)，研究了單回路控制系統(tǒng)、串級(jí)控制系統(tǒng)、前饋-反饋控制系統(tǒng)和2 2多變量控制系統(tǒng)的pid參數(shù)整定方法，并在此基礎(chǔ)上提出了以上述各系統(tǒng)的pid參數(shù)整定值作為初始參數(shù)值，采用單純形算法對(duì)pid參數(shù)進(jìn)行尋優(yōu)的pid參數(shù)優(yōu)化整定方案，并開(kāi)發(fā)了相應(yīng)的pid參數(shù)優(yōu)化整定軟件。 - This paper put forward a method of using amending sine value in the spwm sine table . this method can correct the distortion of the output voltage waveform , which resulted from the dead time used to the voltage type whole bridge main circuit . the inverter system adopts digital fuzzy controller with feed forward correction and which proportion coefficient and integral coefficient is changeable , so dynamic response is improved
本文提出了一種采用修補(bǔ)spwm正弦表值的方法，用以改善電壓型全橋逆變主電路因上下橋的功率器件切換時(shí)先關(guān)斷后導(dǎo)通的死區(qū)時(shí)間而引起的輸出電壓波形畸變；逆變系統(tǒng)采用帶前饋校正的變比例變積分系數(shù)的模糊控制器，提高了系統(tǒng)的動(dòng)態(tài)響應(yīng)指標(biāo)；系統(tǒng)設(shè)計(jì)了完善的保護(hù)措施，并具有市電電網(wǎng)的故障診斷功能。
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