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ICROS-SICE International Joint Conference 2009, ICCAS-SICE 2009

作者： Ishii, Chiharu Nishitani, Yosuke Hashimoto, Hiroshi Department of Engineering Science and Mechanics Shibaura Institute of Technology Tokyo Japan Department of Mechanical Engineering Kogakuin University Tokyo Japan Master's Program of Innovation for Design and Engineering Advanced Institute of Industrial Technology Tokyo Japan

ISBN: (纸本)9784907764333

Recently, the development of a versatile robot hand aiming at the application to an artificial arm or a humanoid robot is in demand. In this paper, omni-directional bending mechanism which is called "double-screw- drive mechanism" was applied to a robot hand. The robot hands with two fingers and three fingers were built. For the robot hand with three fingers, each fingertip was controlled so as to track the elliptical orbit and experiment was carried out. The DSD robot hand succeeded in rotating the cap of the PET bottle and removing the cap from the bottle. © 2009 SICE.

关键词： Bottles

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3-D numerical simulation of main sieve diaphragm with three types passageway design in a gas mask canister

3-D numerical simulation of main sieve diaphragm with three ...

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5th International Conference on Computational Fluid Dynamics, ICCFD 2008

作者： Li, Chun-Chi Miao, Jr-Ming Wang, Chin-Chiang Su, Yin-Chia Lo, Tzu-Yi Department of Mechatronic Energy and Aerospace Engineering Chung Cheng Institute of Technology National Defense University Taiwan Master Program of Mechanical Engineering Chung Cheng Institute of Technology National Defense University Taiwan

ISBN: (纸本)9783642012723

This paper focuses on the passageway design of the main sieve diaphragm that is the key point to reduce the pressure drop of a gas mask canister. Three types of the passageways are designed to explore the aerodynamic behaviors of the flow inside a canister. The models include the hole, rib-strip and honeycomb types. The 3-D numerical simulations of flows have been applied to determine the pressure drops in the models. The simulation results reveal the smallest pressure drops on the passageway of honeycomb type, because the structure of honeycomb type is stronger enough to avoid the deformation of the main sieve diaphragm. So the passageway of honeycomb type can provide larger channel area and more uniform channel distribution to reduce the pressure drop. The analysis of the flow structure, such as the velocity profile and the distribution of dead zone in the models, is also studied.

关键词： Diaphragms

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CFD simulation of a gas mask filter in three realistic breathing patterns

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Journal of Flow Visualization and Image Processing 2009年第3期16卷 201-219页

作者： Su, Yin-Chia Li, Chun-Chi Department of Mechatronic Energy and Aerospace Engineering Chung Cheng Institute of Technology National Defense University No. 190 Sanyuan 1st St. Dasi Township 335 Taoyuan County Taiwan Master Program of Mechanical Engineering Chung Cheng Institute of Technology National Defense University Taoyuan 335 Taiwan

This research adopts CFD tools to investigate the influence of inspiratory resistance and extra work of breathing towards the users under three realistic breathing patterns (resting, light activity, and moderate exercise). The calculation model adopts the transient Navier-Stokes equation with the low Reynolds number k-Ε turbulent model to find the solution. Besides, the momentum loss of porous flow calculated by the porous media equation is added in the source term of the momentum equation to present a larger pressure drop in porous media domain. The simulation results reveal that the maximum inspiratory resistance for Model A1 under moderate exercise is 2.35 times of light activity and 4.94 times of resting condition. In addition, the maximum of extra breathing work for moderate exercise is 4.83 times of light activity and 19.89 times of resting condition. Under realistic breathing patterns, the changes of the exercise strength in human will lead to the proportional changes in inspiratory resistance and extra work of breathing when wearing the gas mask. Subsequently, the characteristics of the respiratory physiology will be altered and the cardio-pulmonary load of the users will be increased. © 2009 Begell House, Inc.

关键词： Computational fluid dynamics

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Finger Pose Estimation Based on Anatomical Motion Constraints

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SICE Journal of Control, Measurement, and System Integration 2009年第6期2卷 357-364页

作者： Akinori Sasaki Hiroshi Hashimoto Sho Yokota Yasuhiro Ohyama School of Computer Science Tokyo University of Technology Master Program of Innovation for Design and Engineering Advanced Institute of Industrial Technology Department of Mechanical Engineering Setsunan University

In this paper, a finger pose estimation method is presented. A direct use of fingers is useful in some applications which require handling of 3D position information. Our finger pose estimation method exploits anatomical constraints on finger motion and ring-shaped markers to achieve simple and practical measurements applicable to daily life situations. The use of anatomical constraints ensures that no exact placement of the markers is required.

关键词： finger hand human motion analysis image processing

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Passivity-based synchronized visual feedback control for eye-to-hand systems

Passivity-based synchronized visual feedback control for eye...

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Annual Conference of Industrial Electronics Society

作者： Toshiyuki Murao Hiroyuki Kawai Masayuki Fujita Master Program of Innovation of Design and Engineering Advanced Institute of Industrial Technology Japan Department of Robotics Kanazawa Institute of Technology Ishikawa Japan Department of Mechanical and Control Engineering Tokyo Institute of Technology Japan

This paper investigates passivity based synchronized visual feedback control for eye-to-hand systems. Firstly the brief summary of the estimation and the control error systems is given with the basic representation of a relative rigid body motion. Secondly we construct the synchronized visual feedback system with an eye-to-hand configuration by combining a synchronization error system. Next, we derive the passivity of the synchronized visual feedback system. Based on passivity, stability analysis is discussed. Finally the validity of the proposed control law can be confirmed by the simulation results.

关键词： Feedback control Manipulators Control systems Cameras Robot vision systems Paper technology Motion control Error correction Intelligent robots Technological innovation

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Developed and studies on technical and economical viability of an environmental efficient urinal

Developed and studies on technical and economical viability ...

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2nd International Congress on Ceramics, ICC 2008

作者： Godoy Jr., Ederaldo Camargo, José Rui Silveira, José Luz Energy Departament UNESP at Guaratinguetá São Paulo Brazil Mechanical Engineering Department Professional Master Program in Mechanical Engineering Energy and Industrial Environment Management UNITAU Taubaté São Paulo Brazil

ISBN: (纸本)9788880800842

This work introduces an innovative urinal for public convenience, that promotes at the same time water reuse and personal higiene, in a safe and economical way . Furthermore it demonstrates the latest technology and its technical and economical viabillity of utilization in new and already existing buildings facilities. This new model of personal higiene equipment offers as main benefits the improved economy with subsequent decrease in drinkable water consumption, sanitary safety, low cost and easy installation due to its simplicity and to the fact that it can be installed in already existing facilities. The proposal is constituted by a higienic, ecological and smart system for flushing of public urinals. It is a conjugated system of lavatory and urinal that reuses hands higienization water from the lavatory for flushing purpose. The proposed urinal can be operated manually or automatically by means of a presential sensor. The system promotes drinkable water economy by a rational utilization by avoiding the use of waste water from hand washing in place of clean water for flushing. The proposed equipment increases the economy of clean water in a simple and economical way and it can be installed in any type of public lavatory facilitie such as schools, public buildings, hospitals, commercial buildings, bus terminals, airports, stadiums, parking buildings and shopping centers. Additional benefits of the proposed system is the suggestion of hands washing before and after the use of the urinal without contamination risks from focet *** render more attractive the installation for a rational use of clean water in commercial and industrial buildings. Pay-back has shown to be very attractive for a number of internal return rates and also very attractive from the point of view of environmental protection.

关键词： Washing

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Passivity-based Dynamic Visual Force Feedback Control for Fixed Camera Systems

Passivity-based Dynamic Visual Force Feedback Control for Fi...

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IEEE International Symposium on Intelligent Control (ISIC)

作者： Hiroyuki Kawai Toshiyuki Murao Masayuki Fujita Department of Robotics Kanazawa Institute of Technology Ishikawa Japan Master Program of Information Systems Architecture Advanced Institute of Industrial Technology Tokyo Japan Department of Mechanical and Control Engineering Tokyo Institute of Technology Tokyo Japan

ISBN: (纸本)9781424422241

This paper investigates passivity based 3D dynamic visual force feedback control for fixed camera systems. In our approach, we can control not only the position but also the orientation of the robot hand with a contact force by using visual information. The proposed method can be regarded as an extension of the hybrid position/force control to the hybrid vision/force control. The main contribution of this paper is to show that the 3D dynamic visual force feedback system has the passivity which allows us to prove stability in the sense of Lyapunov. Both the passivity of the manipulator dynamics and the passivity of the visual feedback system are preserved. Finally simulation results on 3 DOF planar manipulator are presented to verify the stability of the 3D dynamic visual force feedback system and understand our proposed method simply.

关键词： Intelligent control Control systems USA Councils

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An integrated approach to teaching assistant training and orientation

An integrated approach to teaching assistant training and or...

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114th Annual ASEE Conference and Exposition, 2007

作者： Kane, Ronald Gonzalez-Lenahan, Clarisa Kerley, Michael Paris, Jerome Bodner, Janet Rockland, Ronald New Jersey Institute of Technology United States American Society of Mechanical Engineers United States ASEE Office of Graduate Studies New Jersey Institute of Technology United States Program New Jersey Institute of Technology United States Newark College of Engineering NJIT United States Department of Engineering Technology NJIT's Master Teacher Committee

The training and quality of the Teaching Assistant is a continuing need at technological universities, particularly for those universities with large international student populations. A multifaceted approach has been developed to address concerns about pedagogy, academic quality, communication skills, educational culture, academic progress of graduate students, and educational needs of undergraduates and undergraduate programs. The approach includes a combination of short courses, seminars, regular coursework, language proficiency evaluation, and faculty developed policy in cooperation with academic administration. The programs are continually reviewed for quality and potential improvements. Details of the program and the achievement of best practices are described. © American Society for engineering Education, 2007.

关键词： Teaching

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Faculty reward system reform for advancement of professional engineering education for innovation: Revisiting the urgency for reform

Faculty reward system reform for advancement of professional...

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114th Annual ASEE Conference and Exposition, 2007

作者： Depew, Dennis Bertoline, Gary Schuver, Mark Keating, Donald Stanford, Thomas Dunlap, Duane Purdue University United States College of Technology Purdue University United States Rolls-Royce-Purdue Master's Degree Program Purdue University United States University of South Carolina United States Department of Mechanical Engineering University of South Carolina United States ASEE Graduate Studies Division Department of Chemical Engineering University of South Carolina United States Western Carolina University United States Kimmel School Western Carolina University United States

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Enabling a strong U.S. engineering workforce for technological innovation: A national partnership in graduate professional education with industry to enhance U.S. competitiveness and economic development

Enabling a strong U.S. engineering workforce for technologic...

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114th Annual ASEE Conference and Exposition, 2007

作者： Keating, Donald Stanford, Thomas Bardo, John Dunlap, Duane DeLoatch, Eugene Tricamo, Stephen Deoew, Dennis Bertoline, Gary Schuver, Mark McHenry, Albert Lindquist, Timothy Tidwell, Joseph Palmer, Harvey Smith, Mark Morrison, Raymond Egbert, Norm Quick, David Olson, Roger Truesdale, Samuel Noori, Mohamad Sullivan, Edward Rencis, Joseph Purdy, Carla University of South Carolina United States Department of Mechanical Engineering University of South Carolina United States ASEE-Graduate Studies Division Department of Chemical Engineering University of South Carolina United States Western Carolina University United States Kimmel School Western Carolina University United States Morgan State University United States School of Engineering Morgan State University United States ASEE New Jersey Institute of Technology United States Department of Industrial and Manufacturing Engineering Purdue University United States College of Technology Purdue University United States Rolls-Royce-Purdue Master's Degree Program Purdue University United States Arizona State University United States Arizona State University Polytechnic United States Boeing Co. United States JACMET Arizona State University Polytechnic United States ASEE-College Industry Partnership Division Rochester Institute of Technology United States Kate Gleason College of Engineering Rochester Institute of Technology United States Lockheed Martin Aeronautics Co. United States Engineering Integration and Strategy Lockheed Martin Aeronautics Company United States ASEE-Corporate Rolls-Royce Corporation United States Rolls-Royce North American Technologies United States California State Polytechnic University United States College of Engineering California State Polytechnic University United States Graduate Programs and Research College of Engineering California State Polytechnic University United States University of Arkansas United States Department of Mechanical Engineering University of Arkansas Fayetteville United States ASEE-Mechanical Engineering Division ASME Mechanical Engineering Department University of Cincinnati United States Department of Electrical and Computer Engineering University of Cincinnati United States

No abstract available

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