MSMA直线驱动器的数学模型及控制系统
Model of MSMA linear actuator and its controlling system
张庆新 张红梅 席剑辉 刘洋
针对新型功能材料磁控形状记忆合金(Magnetically Controlled Shape Memory Alloy简称MSMA)在磁场作用下变形量大、动态响应频率高、功率密度大和机电能量转换效率高的特点,提出了一种基于MSMA材料的新型直线驱动器及其控制系统的设计方案,在分析了其工作原理的基础上,建立了系统的动力学模型,并进行了分析计算;给出了MSMA驱动器的样机和实验结果,实验结果表明:模型的正确性和实用性,为MSMA材料在智能系统中的应用提供了理论和实验基础。[著者文摘]
The magnetically controlled shape memory alloy is a new type of shape memory alloy, which has large shape variation, fast dynamic response, high power density and high efficiency of electromechaical energy conversion in the magnetic field. In this paper, a novel linear actuator and the scheme of controlling system are proposed. Based on the analysis of the system, the dynamic model is established. With the analysis and calculation of the model, the MSMA actuator prototype and the experimental results are given. The results show the validity and practicability of the model. The research in this paper provides the theoretic and experimental basis for the application of MSMA in intelligent systems.[著者文摘]
仿生学的现状和未来
BIONICS TODAY AND TOMORROW
孙久荣[1] 戴振东[2]
文章以机器人技术的发展、“荷叶效应”与“非光滑表面理论”的发现为例,介绍了仿生学在当前的蓬勃发展;以诱导动物运动的研究、神经工程学的建立和隐形技术的发展等,介绍了仿生学对生物学科与工程技术发展的促进;论述了仿生学对未来经济发展的重要性。[著者文摘]
This article introduced the recent development of Bionics using the advancement of robotics technology, and the discovery of "Lotus-effect" and "Non-smooth surface" theory as examples. Using the study in induced animal movement, the establishment of Neural Engineering and the development of stealth technology as examples, it further illustrated the importance of Bionics for future economics development by promoting the technical realization of biological discoveries.[著者文摘]
仿生学应用中的制约因素分析
Analysis of Confinement Factors in Bionics Application
刘福林
仿生学在科学创新中具有重要作用,国内外学者对此进行了大量研究。文章在回顾仿生学经典案例的基础上,分析了仿生学应用中的制约因素。认为仿生学应用中的制约因素主要体现在以下4方面:观察上缺乏见解;思维上缺乏交叉;方法上缺乏创新;学科上缺乏交流。[著者文摘]
Bionics which was broadly studied at home and abroad had great influence on scientific innovation. After reviewing the classic cases of bionics, confinement factors in bionics application were analyzed in this paper, which were mainly embodied in 4 aspects of the lack of opinions in observation, the lack of intercross in thinking, the lack of innovation in method and the lack of communication in subject.[著者文摘]
仿生学催生更完善的假肢
BJORN CAREY MICHAEL BELFIORE
有130多名美军老兵在伊拉克战争中失去了手臂,现在,他们正面临每着一个艰难转变——从一个健康的正常人到失去手臂的残疾人.为了使他们能更好地适应生活,美国国防部预先研究计划局拨出了5500万美元的资金,征集全美国范围内的假肢专家.[第一段]
仿生学在纺织工业中的应用
李辉芹 钟智丽 巩继贤
介绍了利用仿生学研制开发的仿生纤维、仿生织物的性能特点,仿生技术在染色与服装中的应用。仿生学的发展及在纺织业中的应用,无疑为纺织业的发展注入新的生命力。
仿生学发展过程的分析
Analysis of the Development Progress of Bionics
刘福林
仿生学在科学创新中具有重要作用,国内外学者对此进行了大量研究。在回顾分析仿生学重大事件的基础上,提出了仿生学经历了4个发展时期:萌芽时期、建立时期、巩固时期与现代时期,指出了仿生学的重大贡献是源头创新的研究理念与方法,并能在未来的所有领域内应用、取得突破性研究成果。[著者文摘]
The research on the bionics is impertant in science innovation all over the word. In the article four development periods of bionics including budding, building, strengthen and modem were reviewed. The important contribution of bionics to research idea and weans of resource innovation was pointed out, which may be applied in all fields in future for unprecedented research results.[著者文摘]
基于仿生学原理多自由度柔性臂及其控制的研究
Study on a compliant robot arm based on bionic principles with multi- degree of freedom
陈洁
基于仿生学原理研究设计了一种新型的气动驱动多自由度柔性臂,通过研究构建了其动力学模型和控制系统模型,为该装置的实际应用奠定了理论基础。[著者文摘]
In this paper a new pneumatically driven compliant robot arm is designed which is based on bionic principles and has multi - degree of freedom by researching on robot hands. Dynamics model and control system model are constructed .by analyzing it. The theoretical base is established to be applied practically.[著者文摘]
蛾类防御蝙蝠的机制及其对仿生学的启示
Moth Defense Bat Mechanism and Its Application in Bionics
曾今尧[1] 张树义[2] 江雷[3]
在蝙蝠回声定位的选择压力下,夜间活动的蛾类进化出一系列防御、逃避等适应性特征。在千万年的协同进化过程中,蛾类在形态结构和生理上对蝙蝠的防御无疑是能量、物质和功能的最佳结合,这蛤仿生学研究带来新的启示,本文综述了蛾莫在形态结构和生理上对蝙蝠防御的机制,并展望了蛾类防御机制研究的前景,及其在仿生学上的应用潜能.[著者文摘]
Under the selective pressure of bats, nocturnal moths have evolved many adaptive traits to defense and evade bats. During the progress of coevolution, moths are the best optimum coupling of energy, material and function doubtless to defense bats on the morphostructure and physiology, which will bring new application to bionics. The present paper summarizes the moth defense bat mechanism on the morphostructure and physiology, and makes the prospects and the applied potential on the bionics.[著者文摘]