piezoelectric system 中文意思是什麼
piezoelectric system
解釋
壓電系統- piezoelectric : adj. 【物理學】壓電的。
- system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
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Based on a duralumin flexible beam with piezoelectric films attached, distributed parameter modal described by partial difference equations is builded, and then turned into a set of two order systems with the method of modal analyse. state feedback control and independent modal control is investigated. and simulation of the closed - loop system with thest two methods is performed in matlab
並用模態分析的方法，將系統的偏微分方程模型轉化成了模態模型；研究了狀態反饋和獨立模態方法；進一步完善了軟體界面以及軟體功能；在實際系統中，應用狀態反饋演算法，有效抑制了懸臂梁在受到外界瞬時脈沖擾動和激振引起的一階、二階模態振動。 -
The test results show that the measurement errors of y - ray measurement system are within 2 %, and the errors of piezoelectric crystal measurement system are about 5 %. it indicates that the sy stems are feasible
試驗結果顯示，射線測量系統精度可達到2以內，壓電晶體傳感器測量精度約為5 ，表明系統是有效可行的。 -
To improve the precision of the piezoelectric stage further, a scanning close loop system based on the mathematical model is studied and designed. experiments are also desinged to prove the precision of the close loop system. the experimental results demonstrate that the positional error of the system reduces to 0. 1 %, and the close loop system has high dynamic performance and position precision
為進一步提高工作臺的定位精度，本文建立了基於遲滯模型的閉環掃描控制系統，並對系統的定位能力進行了實驗，實驗結果表明，系統最大定位誤差減小至0 . 1 % ，該控制系統兼顧了系統的動態響應和高定位精度。 -
The former includes air - bearing table system, rolling base driving system, angular displacement sensing system, and two foldable flexible plates with piezoelectric patches bonded ; the latter includes sensing signal processing and actuation signal generating circuits, and computer system composed of pc and two tms320f240
整個控制系統的處理器是一個由兩塊tms320f240和586微機組成的主從復合系統，通過對計算負荷的合理分配，有力地保證了控制的實時性。 -
After analyzing the sense principles and calculation expression for piezoelectricity, we compose a sense network, compare the difference between the voltage amplifier and charge amplifier, give out the electric circuit of piezoelectric sensor for measure system
在分析了壓電片對動態應變的傳感原理和計算表達式后，該系統採用壓電傳感器組建了一個傳感器網路。並且對比了電壓放大器和電荷放大器的差異。 -
The piezoelectric stage is one of the most important parts of afm, however its hysteresis characteristic severely influences the position precision and scanning precision of the afm system
壓電陶瓷工作臺是原子力顯微鏡系統核心部件之一，壓電陶瓷存在的遲滯特性嚴重影響了原子力顯微鏡系統的定位精度和掃描精度。 -
Rigid - flexible coupling system ; rotating flexible beam ; active vibration control ; positive position feedback ; piezoelectric ceramic
剛柔耦合系統旋轉柔性梁振動主動控制位置正反饋壓電陶瓷 -
In view of predecessors " research achievements we put forward a method using square wave excitation and the fast furrier transformation ( fft ) to realize the comparison calibration for the calibration system of piezoelectric accelerometer
在吸收前人研究成果的基礎上，文中提出了工作用壓電加速度傳感器校準系統應用方波信號激勵，同時應用快速傅立葉變換（ fft ）的方法來實現比較法校準。 -
An adaptive fuzzy system for nonlinear active control of piezoelectric composite beam vibration
壓電復合材料結構模糊自適應前饋振動控制 -
We select pv - 10 piezoelectric valve as puffing valve in the design of puffing system. the reason is that we can accurately adjust gas quantity of system by it
充氣系統選用pv - 10壓電晶體閥作為充氣閥門，它能達到實時、準確調節系統進氣量的目的。 -
This dissertation focuses on how to develop a high performance damping mechanism based on multi - energy transitions, which is independent or little dependant with the viscoelasticity of polymer matrix. three sections are mainly included in this dissertation as follows : chlorinated polyethylene ( cpe ) / piezoelectric ceramic ( pzt ) / vapor grown carbon fiber ( vgcf ) composites ; cpe / 2, 2 ' - methylene - bis - ( 4 - methyl - 6 - cyclohexylphenol ) ( zkf ) / vgcf composites ; organic hybrids made from cpe and small molecules cpe / pzt / vgcf composites : the damping composites of multi - energy transitions mechanism were produced by mixing pzt and vgcf into cpe. in this system, the mechanical vibration energy that was transmitted to cpe was found to convert into joule ' s heat through conduction paths between vgcf in the polymer matrix, so the vibration fades away
本論文主要包括三個方面的研究內容： ?氯化聚乙烯（ cpe ） /壓電陶瓷（ pzt ） /氣相生長碳纖維（ vgcf ）復合材料； ? cpe /雙[ （ 2 -羥基- 3 -環己基- 5 -甲基） -苯基]甲烷（ zkf ） / vgcf復合材料； ? cpe基有機小分子混雜型復合材料cpe / pzt / vgcf減振復合材料：利用壓電和導電填料填充高聚物基體，當復合材料受到機械振動時，通過高聚物基體將機械振動能傳遞到壓電陶瓷粒子上，利用壓電陶瓷的壓電效應，將機械能轉換成電能，則電流在導電粒子產生的迴路中流動，由於導電迴路具有一定的電阻，所以電能又轉變成熱能耗散掉，從而起到減振的目的。 -
For conductive fillers / piezoelectric ceramic / polymer composites, based on the piezoelectric and conductive theories, mechanical energy or sound energy can change into electric energy induced by piezoelectric ceramic ' s piezoelectric effect, and then these energy can be dissipated in form of heat energy through conductive network formed by conductive fillers in the system
在導電填料/壓電陶瓷/聚合物復合材料體系中，根據壓電、導電原理，機械振動能（或聲能）可通過壓電陶瓷的壓電效應轉換為電能，並通過體系中導電填料形成的導電網路，將電能以熱的形式耗散，從而達到減振降噪的效果。 -
To set up reasonable designing and manufacturing techniques and accurate calibration system and to speed up forming the native pvdf pressure sensors is the direction of this project. first, based on the piezoelectric theorem, the theoretic support of pvdf pressure sensors is deduced. according to purposes of practical projects, special purpose sensor configurations are designed and the corresponding calibration system based on shpb ( split hopkinson pressure bar ) technique is built in succession
本文從壓電材料的一般壓電控制方程開始，導出了pvdf壓電薄膜測壓技術的相關論據；根據測試目的以及被測結構的特點，設計了多種夾心式的傳感器構造形式；摸索出了一套基於國產pvdf壓電薄膜製作壓力計的加工、安裝工藝；建立了一套基於系統集成技術的多點pvdf壓力測試的數據採集、處理系統；建立了一套基於shpb技術、適用於實際工程應力范圍的pvdf壓力計的動態標定方法，並對兩種厚度的國產pvdf壓電薄膜進行了標定。 -
Recent years, the using of piezoelectric sensors becomes a focus in novel biosensors research. the basic principle is that the characters of its oscillation are highly responded with the changes of the surface mass adsorption, or the physic characters in the reaction system including density, viscosity, conductivity and so on. a piezoelectric biosensor with a nanogram sensitivity could be constructed through a reasonable biological processing and structure designing to the piezoelectric quartz crystal
近年來，壓電傳感器檢測技術逐漸成為生物分析中的研究熱點，其基本原理是利用石英晶體振蕩特性對石英晶體表面質量負載（質量效應）和反應體系物理性狀如密度、粘度、電導率（非質量效應）等的改變具有高度敏感的特性，通過對石英晶體進行適當的生物學處理和結構設計，構建出具有具有ng級檢測能力的生物傳感器。 -
Base on above six advantages, then piezoelectric power supply can replace liner and switch power supply in all industry and military fields, especially in the following fields : telecommunication, industry control, electric power control, measurements, electric motors, medical treatment equipments, aircraft industry, aerospace industry, civil and military transportation vehicles, marine vehicles, radar, anti - interference recognition system, etc
電源及開關電源所能達到的最好指標，因此可以廣泛地應用於工業與軍用的幾乎所有領域。尤其在以下領域有強勁的競爭力：通訊電力控制與測量機電醫療設備航空航天坦克車輛船舶艦艇雷 -
In this thesis, the dynamic models of a specific precise instrument in spacecraft are established and an active vibration isolation system based on piezoelectric intelligent structures is constructed. theoretical analysis and numerical simulation on this system has been carried out. piezoelectric intelligent structure is applied to civil engineering. the piezoelectric intelligent control devise is used for the control of translation - torsion coupling responses of multi - story frame structure suffered from earthquake
本文還將壓電智能結構主動隔振的理論和控制方法應用到土木工程領域，利用一類壓電材料控制器對平移-扭轉耦聯的框架結構進行了主動隔震，模擬結果顯示：結構各層的平移和扭轉均得到顯著減小，表明將智能結構系統用於結構地震反應主動控制中的可能性。 -
According to the principles of piezoelectric smart concrete structure health monitoring, a mathematic model of monitor system for static performances is discussed. then, the virtual waveform generator based on dds is designed using a data acquisition card and a pc to supply multiform excitation signals to piezoelectric elements in experiment. the theoretical analysis and experimental research demonstrate the performances of the waveform generated by the virtual instrument
為了給壓電元件提供多種類型的激勵信號，根據直接數字合成原理，設計了利用數據採集卡和計算機實現dds波形發生的虛擬儀器，並對生成波形的各方面性能進行了理論分析和實驗研究，從理論和實驗兩個方面分析了這種波形發生方式所能取得的效果。 -
To realize the large stroke microfeed in this feed system, the microfeed system of closed - loop feedback control was adopted. the system is controlled by the 89c5 1 singlechip computer and combinely driven by the stepmotor and piezoelectric ceramic, the worktable ? position is measured by the raster position sensor
為滿足進給系統能實現大行程的微量進給的要求，系統採用了由89c51單片機控制，由步進電機和壓電陶瓷復合驅動，並通過光柵位移傳感器進行位移檢測，從而形成閉環反饋控制的微量進給方式。 -
An active vibration control system for the piezoelectric flexible adaptive truss structure was set up for real - time computer active vibration control experimental tests
建立了壓電柔性自適應桁架結構主動控制實驗系統，並對這類自適應結構進行了實時計算機振動主動控制實驗研究。 -
Objective : construct effective mathematic model to analyse the piezoelectric frequency data of pt test based on the theoretic analysis of viscosity and density changes in coagulation reaction system and discuss the feasibility of detecting patients ’ samples in clinic, on the
方法: 1 .選用基頻為10mhz的at切型銀膜電極石英晶體傳感器構建螺旋式檢測池，使不同檢測池具有同質性。在傳感器上下各墊加一o形硅膠密封圈，並置於金屬基座上。
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