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| 螺旋微型机器人对人体肠道壁损伤的数值仿真 | |
| 引用本文： | 梁亮,彭辉,胡冠昱,侯海良.螺旋微型机器人对人体肠道壁损伤的数值仿真[J].系统仿真学报,2011,23(3):460-464. |
| 作者姓名： | 梁亮 彭辉 胡冠昱 侯海良 |
| 作者单位： | 1. 中南大学信息科学与工程学院,长沙,410083;长沙学院机电工程系,长沙,410003 2. 中南大学信息科学与工程学院,长沙,410083 3. 长沙学院机电工程系,长沙,410003 4. 湖南人文科技学院通信与控制工程系,娄底,417000 |
| 基金项目： | 国家自然科学基金(50975032); 湖南省教育厅资助项目(09B053) |
| 摘 要： | 提出了一种无损伤螺旋式肠道微型机器人,建立了机器人运行时,肠道粘液的动力学控制方程,运用计算流体力学方法数值分析了在机体的正转和反转两种情况下,不同机器人转速、肠道粘液密度、粘度和机器人直径与肠道壁所受压力的关系:随着机器人转速、粘液密度、粘液粘度、机器人直径的增加,机器人运行时对肠道壁产生的压力基本也随着增大,并且机器人直径的影响最大,粘液密度影响最小,所产生的对肠道壁的压力都是人体能够承受的,而肠道的扭曲程度对肠道壁所受压力的影响并不大。上述理论分析结果将为高速旋转的螺旋式医用微型机器人应用于人体肠道的无创或微创手术提供了必要的理论依据。 |
| 关 键 词： | 螺旋式微型机器人 无损伤 数值仿真 计算流体力学 |
Numerical Simulations on Injury to Human Intestinal Walls Produced by Spiral Micro-robots |
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| LIANG Liang,PENG Hui,HU Guan-yu,HOU Hai-liang.Numerical Simulations on Injury to Human Intestinal Walls Produced by Spiral Micro-robots[J].Journal of System Simulation,2011,23(3):460-464. | |
| Authors: | LIANG Liang PENG Hui HU Guan-yu HOU Hai-liang |
| Institution: | LIANG Liang1,2,PENG Hui1,HU Guan-yu2,HOU Hai-liang3(1.College of Information Science and Engineering,Central South University,Changsha 410083,China,2.Department of Mechanical & Electrical Engineering,Changsha University,Changsha 410003,3.Department of Communications & Control Engineering,Hunan Institute of Humanities,Science and Technology,Loudi 417000,China) |
| Abstract: | A non-invasive spiral intestinal micro-robot was introduced.When it drove in the human intestine,dynamic control equations of intestinal fluid were established.By computational fluid dynamics method,the relations between different robotic rotating speeds,intestine fluid densities,intestine fluid dynamic viscosities,robotic diameters and impact pressures of human intestinal wall produced by the micro-robot were calculated and analyzed in the circumstances of cylindrical forward and reverse rotation.It was ob... |
| Keywords: | spiral micro-robot non-invasive numerical simulation computational fluid dynamics |
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