Proceedings of the Workshop on Microtechnologies and Applications to Space Systems PDF Download

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Category : Astronautical instruments
Languages : en
Pages : 382

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Category : Aeronautics
Languages : en
Pages : 704

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Category : Government publications
Languages : en
Pages : 1100

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Category : Government publications
Languages : en
Pages : 1450

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Author: Dharma P. Agrawal
Publisher: CRC Press
ISBN: 9780849326189
Category : Computers
Languages : en
Pages : 174

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This set of technical books contains all the information presented at the 1995 International Conference on Parallel Processing. This conference, held August 14 - 18, featured over 100 lectures from more than 300 contributors, and included three panel sessions and three keynote addresses. The international authorship includes experts from around the globe, from Texas to Tokyo, from Leiden to London. Compiled by faculty at the University of Illinois and sponsored by Penn State University, these Proceedings are a comprehensive look at all that's new in the field of parallel processing.

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Category : Artificial satellites
Languages : en
Pages : 688

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Author: Henry Helvajian
Publisher: AIAA
ISBN: 9781884989049
Category : Science
Languages : en
Pages : 144

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Microengineering and microelectromechanical systems (MEMS) are a subject of considerable current interest involving research and development throughout the world. This first volume of a series on this topic reviews and evaluates micro- and nanotechnologies applicable to U.S. Air Force and commercial space systems. It introduces the concept of application-specific integrated microinstrument (ASIM), an intelligent microinstrument.

Author: Bharat Bhushan
Publisher: Springer Science & Business Media
ISBN: 9401150508
Category : Science
Languages : en
Pages : 652

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Micro Electro Mechanical Systems (MEMS) is already about a billion dollars a year industry and is growing rapidly. So far major emphasis has been placed on the fabrication processes for various devices. There are serious issues related to tribology, mechanics, surfacechemistry and materials science in the operationand manufacturingof many MEMS devices and these issues are preventing an even faster commercialization. Very little is understood about tribology and mechanical properties on micro- to nanoscales of the materials used in the construction of MEMS devices. The MEMS community needs to be exposed to the state-of-the-artoftribology and vice versa. Fundamental understanding of friction/stiction, wear and the role of surface contamination and environmental debris in micro devices is required. There are significantadhesion, friction and wear issues in manufacturing and actual use, facing the MEMS industry. Very little is understood about the tribology of bulk silicon and polysilicon films used in the construction ofthese microdevices. These issues are based on surface phenomenaand cannotbe scaled down linearly and these become increasingly important with the small size of the devices. Continuum theory breaks down in the analyses, e. g. in fluid flow of micro-scale devices. Mechanical properties ofpolysilicon and other films are not well characterized. Roughness optimization can help in tribological improvements. Monolayers of lubricants and other materials need to be developed for ultra-low friction and near zero wear. Hard coatings and ion implantation techniques hold promise.

Author: Cornelius T. Leondes
Publisher: Springer Science & Business Media
ISBN: 0387257861
Category : Technology & Engineering
Languages : en
Pages : 2094

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Book Description
This significant and uniquely comprehensive five-volume reference is a valuable source for research workers, practitioners, computer scientists, students, and technologists. It covers all of the major topics within the subject and offers a comprehensive treatment of MEMS design, fabrication techniques, and manufacturing methods. It also includes current medical applications of MEMS technology and provides applications of MEMS to opto-electronic devices. It is clearly written, self-contained, and accessible, with helpful standard features including an introduction, summary, extensive figures and design examples with comprehensive reference lists.

Author: Ernst Kussul
Publisher: Springer Science & Business Media
ISBN: 3642025358
Category : Computers
Languages : en
Pages : 225

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Book Description
Micromechanical manufacturing based on microequipment creates new possibi- ties in goods production. If microequipment sizes are comparable to the sizes of the microdevices to be produced, it is possible to decrease the cost of production drastically. The main components of the production cost - material, energy, space consumption, equipment, and maintenance - decrease with the scaling down of equipment sizes. To obtain really inexpensive production, labor costs must be reduced to almost zero. For this purpose, fully automated microfactories will be developed. To create fully automated microfactories, we propose using arti?cial neural networks having different structures. The simplest perceptron-like neural network can be used at the lowest levels of microfactory control systems. Adaptive Critic Design, based on neural network models of the microfactory objects, can be used for manufacturing process optimization, while associative-projective neural n- works and networks like ART could be used for the highest levels of control systems. We have examined the performance of different neural networks in traditional image recognition tasks and in problems that appear in micromechanical manufacturing. We and our colleagues also have developed an approach to mic- equipment creation in the form of sequential generations. Each subsequent gene- tion must be of a smaller size than the previous ones and must be made by previous generations. Prototypes of ?rst-generation microequipment have been developed and assessed.