微納馬達的制備及驅(qū)動控制方法研究
發(fā)布時間:2018-01-02 21:35
本文關(guān)鍵詞:微納馬達的制備及驅(qū)動控制方法研究 出處:《哈爾濱工業(yè)大學》2016年博士論文 論文類型:學位論文
更多相關(guān)文章: 微納馬達 自驅(qū)動 檢測傳感 自主導(dǎo)航
【摘要】:微納馬達是一種在微納尺度上能夠?qū)⒒瘜W能、光能、磁能以及電能等能量轉(zhuǎn)化為動能推動自身運動的裝置。作為探究微觀世界的重要載體,微納馬達具有重量輕、體積小和輸出推力大等優(yōu)點,在生物傳感檢測、微納器件制造和靶向藥物釋放等領(lǐng)域具有廣闊的應(yīng)用前景。目前,微納馬達的研究尚處在方興未艾階段,有別于傳統(tǒng)的大型動力輸出裝置,微納馬達在驅(qū)動、控制和結(jié)構(gòu)間具有耦合作用,因而存在制備方法復(fù)雜、驅(qū)動效率低以及控制精度差等諸多科學問題。針對微納馬達在生物檢測傳感領(lǐng)域應(yīng)用存在的不足,本文以驅(qū)動方式為主線,結(jié)合控制方法和應(yīng)用對微納馬達的運動行為及驅(qū)動控制機理進行研究。對于陰陽球微米馬達,采用實驗和分子動力學仿真相結(jié)合方法系統(tǒng)地研究了溶液濃度、催化材料和馬達形狀等因素對微米馬達驅(qū)動性能的影響規(guī)律。研究表明在濃度為15%的過氧化氫水溶液中,陰陽球微米馬達的運動速度最快可達36.8μm/s。應(yīng)用金鉑陰陽球微米馬達對微缺陷進行修復(fù),在濃度為15%的過氧化氫溶液中,陰陽球微米馬達在32 min后可完成微缺陷的修復(fù),修復(fù)后的電阻僅為76Ω。利用二氧化硅鉑陰陽球微米馬達實現(xiàn)超分辨顯微成像檢測分辨率高達20 nm,顯著提高了光學顯微成像的分辨率。對于管狀微米馬達,采用實驗和理論分析相結(jié)合方法對微米馬達的化學驅(qū)動性能影響因素進行系統(tǒng)地研究。研究表明在濃度為15%的過氧化氫水溶液中,直徑5μm、長度20μm的復(fù)合多層膜微米馬達的運動速度最快可達1550μm/s。并且,利用氣泡驅(qū)動微米馬達對神經(jīng)毒素(甲基對氧磷)和有機染料(羅丹明6G)進行吸附,最高吸附效率可達95%;隰~類依靠軀體和尾鰭擺動的驅(qū)動機理,提出了一種柔性納米馬達的振蕩磁場驅(qū)動方法,并通過實驗和沉浸邊界仿真相結(jié)合研究磁場頻率、馬達形狀和溶液環(huán)境等因素對柔性納米馬達運動速度的影響規(guī)律。研究表明在頻率為11 Hz的振蕩磁場驅(qū)動下,身長5μm的柔性仿魚型納米馬達運動速度最快可達30.9μm/s,此外,通過控制振蕩磁場可實現(xiàn)對仿魚型納米馬達運動速度和運動方向進行調(diào)控。通過對柔性微米馬達的結(jié)構(gòu)進行優(yōu)化,本文提出了一種運動效率更高的柔性雙臂型納米馬達。研究表明在頻率為25 Hz的振蕩磁場驅(qū)動下,雙臂型柔性納米馬達的運動速度最快可達59.3μm/s;诔晥鲵(qū)動和磁場驅(qū)動提出一種微納馬達多物理場混合驅(qū)動新方法,并通過實驗和仿真相結(jié)合的方法對多物理場混合驅(qū)動性能進行研究。研究表明,隨著磁場驅(qū)動頻率和超聲場驅(qū)動電壓的增加,多物理場混合驅(qū)動納米馬達運動速度呈增大的趨勢。并且,通過控制物理場可以實現(xiàn)對多物理場混合驅(qū)動納米馬達的運動狀態(tài)進行調(diào)控。此外,在超聲場和磁場共同作用下,多物理場混合驅(qū)納米馬達出現(xiàn)了群集效應(yīng);趫D像識別技術(shù)與自動控制技術(shù)提出一種微納馬達自主導(dǎo)航控制方法。微納馬達自動控制系統(tǒng)主要由工業(yè)相機、自主導(dǎo)航控制系統(tǒng)、磁場控制系統(tǒng)和電磁鐵組四部分構(gòu)成,可用于對不同驅(qū)動方式微納馬達的運動狀態(tài)進行控制。在自主導(dǎo)航系統(tǒng)控制下,微納馬達可對運動路徑進行規(guī)劃,在單一障礙、多路徑障礙、多目的地障礙、簡單迷宮和復(fù)雜迷宮中進行自主運動。綜上所述,本文在微納馬達新驅(qū)動方式、新控制方法以及新功能應(yīng)用等方面開展深入的研究。上述研究為微納馬達的研究提供理論和技術(shù)支持,可推動微納馬達在生物檢測傳感和藥物靶向釋放等領(lǐng)域的應(yīng)用發(fā)展。
[Abstract]:Micro motor is a kind of micro nano scale can convert chemical energy, energy, energy and electricity energy conversion device of self motion. As an important carrier of kinetic energy to promote the micro world, micro motor has the advantages of small volume and light weight, large output thrust, in biological sensing, micro nano manufacturing and targeting drug delivery systems has a wide application prospect. At present, the research of micro motor is still in the stage of large power output is just unfolding, different from the traditional device, micro motor drive, with coupling between control and structure, so there is a complicated preparation method, low driving efficiency and control the accuracy of many scientific problems. Aiming at the deficiency in the application of micro Namada biological detection sensor field, based on the driving mode as the main line, combined with the control method and application of micro motor and drive the movement The control mechanism is studied. The Yin and Yang spheres motor, by experiments and molecular dynamics simulation method combining the systematic study of the influence of solution concentration, catalytic materials and motor driven shape properties of micron motor. The results indicate that the concentration of water in hydrogen peroxide solution 15%, velocity of the ball micro motor of Yin and Yang up to 36.8 mu m/s. application of gold and platinum spheres of micro defects of yin and Yang Motor repair, at the concentration of 15% hydrogen peroxide solution, micro motor can complete the repair ball and micro defects in 32 min after the resistance after repair is only 76 ohm. Realizing super-resolution imaging detection resolution up to 20 by nm platinum silica spheres of yin and Yang motor, significantly improve the optical microscopic imaging resolution. For tubular micro motor, using the method of combining experimental and theoretical analysis on the chemical micro motor The systematic research on driving performance influencing factors. The research showed that at the concentration of 15% aqueous solution of hydrogen peroxide, 5 m diameter, velocity of composite multilayer micro motor length of 20 m up to 1550 m/s. and the driving motor of the neurotoxin (micro bubble methyl paraoxon) and organic dyes (Luo Danming 6G) were investigated. The highest adsorption efficiency can reach 95%. driving mechanism of fish rely on body and caudal fin based on the proposed method of driving an oscillating magnetic field of flexible nano motor, and through experiment and simulation combined with the immersed boundary of magnetic field frequency, influence of motor shape and solution environment on flexible nano motor speed the research results show that the frequency of oscillation. The driving magnetic field is 11 Hz, the Flexible Biomimetic Fish type nano motor speed measuring 5 m up to 30.9 m/s, in addition, by controlling the oscillating magnetic field. The field can be realized to control fish like nano motor speed and direction of motion. By optimizing structure of flexible micro motor, the paper puts forward the flexible arms type nano motor a higher efficiency. The results show that in the frequency oscillation driving magnetic field is 25 Hz, speed of arms type flexible nano motor up to 59.3 m/s. presents a micro motor multiphysics hybrid drive new method based on magnetic field driving and driven by ultrasonic method, and through the combination of experiment and simulation study of multi physical field mixed driving performance. The results show that with the driving frequency of magnetic field and ultrasonic field driving voltage increases, the multi physical field hybrid nano motor speed increases. And, through the control of the physical field can be achieved to control the motion state of the multi physical field of hybrid driven nanomotor. In addition, In the ultrasonic field and electromagnetic field, multi field drive motor hybrid nano cluster effect. The image recognition technology and automatic control technology of a micro motor autonomous navigation control method based on micro motor automatic control system is mainly composed of industrial camera, autonomous navigation control system, magnetic field control system and an electromagnet group four part which can be used to control the motion state of different driving modes of micro nano motor. In the control of autonomous navigation system, motor micro nano planning of the motion path, in a single obstacle, multi path obstacle, multi destination obstacles, autonomous motion and simple maze maze. In summary, in this paper a new driving mode micro motor, study the new control method and new function application. These studies provide theoretical and technical support for research of micro motor, can drive the micro Namada's application in the fields of biosensing sensing and drug targeting release.
【學位授予單位】:哈爾濱工業(yè)大學
【學位級別】:博士
【學位授予年份】:2016
【分類號】:TH-39
【參考文獻】
相關(guān)期刊論文 前9條
1 馮美榮;高配彬;;微納制造技術(shù)綜述[J];科技創(chuàng)新與生產(chǎn)力;2012年12期
2 吳笛;;物理氣相沉積技術(shù)的研究進展與應(yīng)用[J];機械工程與自動化;2011年04期
3 于振中;閆繼宏;趙杰;陳志峰;朱延河;;改進人工勢場法的移動機器人路徑規(guī)劃[J];哈爾濱工業(yè)大學學報;2011年01期
4 權(quán)曉林;鐘紹春;王文永;徐騫;;基于人工生命方法的虛擬魚行為模型[J];系統(tǒng)仿真學報;2006年S2期
5 王志松;;能干的小引擎——納米馬達[J];自然雜志;2006年03期
6 胡發(fā)宗,趙毅,陳罡,閆煥營;三維立體打印機的成形技術(shù)[J];模具技術(shù);2004年01期
7 張洪濤,王天民,王聰;物理氣相沉積技術(shù)制備的硬質(zhì)涂層耐腐蝕的研究進展[J];材料導(dǎo)報;2002年08期
8 李健,韋習成;物理氣相沉積技術(shù)的新進展[J];材料保護;2000年01期
9 周兆英,葉雄英,崔天宏,張聯(lián);微米納米技術(shù)及微型機電系統(tǒng)[J];光學精密工程;1998年01期
,本文編號:1371029
本文鏈接:http://www.sikaile.net/jixiegongchenglunwen/1371029.html
最近更新
教材專著