Electrostatic levitation

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Electrostatic levitation is the process of using an electric field to levitate a charged object and counteract the effects of gravity. (Wikipedia.org)






Conferences related to Electrostatic levitation

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2020 American Control Conference (ACC)

The ACC is the annual conference of the American Automatic Control Council (AACC, the U.S. national member organization of the International Federation for Automatic Control (IFAC)). The ACC is internationally recognized as a premier scientific and engineering conference dedicated to the advancement of control theory and practice. The ACC brings together an international community of researchers and practitioners to discuss the latest findings in automatic control. The 2020 ACC technical program will

  • 2019 American Control Conference (ACC)

    Technical topics include biological systems, vehicle dynamics and control, adaptive control, consensus control, cooperative control, control of communication networks, control of networked systems, control of distributed parameter systems, decentralized control, delay systems, discrete-event systems, fault detection, fault-tolerant systems, flexible structures, flight control, formation flying, fuzzy systems, hybrid systems, system identification, iterative learning control, model predictive control, linear parameter-varying systems, linear matrix inequalities, machine learning, manufacturing systems, robotics, multi-agent systems, neural networks, nonlinear control, observers, optimal control, optimization, path planning, navigation, robust control, sensor fusion, sliding mode control, stochastic systems, switched systems, uncertain systems, game theory.

  • 2018 Annual American Control Conference (ACC)

    Technical topics include biological systems, vehicle dynamics and control, adaptive control, consensus control, cooperative control, control of communication networks, control of networked systems, control of distributed parameter systems, decentralized control, delay systems, discrete-event systems, fault detection, fault-tolerant systems, flexible structures, flight control, formation flying, fuzzy systems, hybrid systems, system identification, iterative learning control, model predictive control, linear parameter-varying systems, linear matrix inequalities, machine learning, manufacturing systems, robotics, multi-agent systems, neural networks, nonlinear control, observers, optimal control, optimization, path planning, navigation, robust control, sensor fusion, sliding mode control, stochastic systems, switched systems, uncertain systems, game theory.

  • 2017 American Control Conference (ACC)

    Technical topics include biological systems, vehicle dynamics and control, adaptive control, consensus control, cooperative control, control of communication networks, control of networked systems, control of distributed parameter systems, decentralized control, delay systems, discrete-event systems, fault detection, fault-tolerant systems, flexible structures, flight control, formation flying, fuzzy systems, hybrid systems, system identification, iterative learning control, model predictive control, linear parameter-varying systems, linear matrix inequalities, machine learning, manufacturing systems, robotics, multi-agent systems, neural networks, nonlinear control, observers, optimal control, optimization, path planning, navigation, robust control, sensor fusion, sliding mode control, stochastic systems, switched systems, uncertain systems, game theory.

  • 2016 American Control Conference (ACC)

    Control systems theory and practice. Conference topics include biological systems, vehicle dynamics and control, consensus control, cooperative control, control of communication networks, control of networked systems, control of distributed parameter systems, decentralized control, delay systems, discrete-event systems, fault detection, fault-tolerant systems, flexible structures, flight control, formation flying, fuzzy systems, hybrid systems, system identification, iterative learning control, model predictive control, linear parameter-varying systems, linear matrix inequalities, machine learning, manufacturing systems, robotics, multi-agent systems, neural networks, nonlinear control, observers, optimal control, optimization, path planning, navigation, robust control, sensor fusion, sliding mode control, stochastic systems, switched systems, uncertain systems, game theory.

  • 2015 American Control Conference (ACC)

    control theory, technology, and practice

  • 2014 American Control Conference - ACC 2014

    All areas of the theory and practice of automatic control, including but not limited to network control systems, model predictive control, systems analysis in biology and medicine, hybrid and switched systems, aerospace systems, power and energy systems and control of nano- and micro-systems.

  • 2013 American Control Conference (ACC)

    Control systems theory and practice. Conference themes on sustainability, societal challenges for control, smart healthcare systems. Conference topics include biological systems, vehicle dynamics and control, consensus control, cooperative control, control of communication networks, control of networked systems, control of distributed parameter systems, decentralized control, delay systems, discrete-event systems, fault detection, fault-tolerant systems, flexible structures, flight control, formation flying, fuzzy systems, hybrid systems, system identification, iterative learning control, model predictive control, linear parameter-varying systems, linear matrix inequalities, machine learning, manufacturing systems, robotics, multi-agent systems, neural networks, nonlinear control, observers, optimal control, optimization, path planning, navigation, robust control, sensor fusion, sliding mode control, stochastic systems, switched systems, uncertain systems, game theory.

  • 2012 American Control Conference - ACC 2012

    All areas of control engineering and science.

  • 2011 American Control Conference - ACC 2011

    ACC provides a forum for bringing industry and academia together to discuss the latest developments in the area of Automatic Control Systems, from new control theories, to the advances in sensors and actuator technologies, and to new applications areas for automation.

  • 2010 American Control Conference - ACC 2010

    Theory and practice of automatic control

  • 2009 American Control Conference - ACC 2009

    The 2009 ACC technical program will cover new developments related to theory, application, and education in control science and engineering. In addition to regular technical sessions the program will also feature interactive and tutorial sessions and preconference workshops.

  • 2008 American Control Conference - ACC 2008

  • 2007 American Control Conference - ACC 2007

  • 2006 American Control Conference - ACC 2006 (Silver Anniversary)

  • 2005 American Control Conference - ACC 2005

  • 2004 American Control Conference - ACC 2004

  • 2003 American Control Conference - ACC 2003

  • 2002 American Control Conference - ACC 2002

  • 2001 American Control Conference - ACC 2001

  • 2000 American Control Conference - ACC 2000

  • 1999 American Control Conference - ACC '99

  • 1998 American Control Conference - ACC '98

  • 1997 American Control Conference - ACC '97

  • 1996 13th Triennial World Congress of the International Federation of Automatic Control (IFAC)


2020 IEEE 16th International Workshop on Advanced Motion Control (AMC)

AMC2020 is the 16th in a series of biennial international workshops on Advanced Motion Control which aims to bring together researchers from both academia and industry and to promote omnipresent motion control technologies and applications.


2020 IEEE Industry Applications Society Annual Meeting

The Annual Meeting is a gathering of experts who work and conduct research in the industrial applications of electrical systems.


2020 IEEE International Conference on Plasma Science (ICOPS)

IEEE International Conference on Plasma Science (ICOPS) is an annual conference coordinated by the Plasma Science and Application Committee (PSAC) of the IEEE Nuclear & Plasma Sciences Society.


2020 IEEE International Conference on Robotics and Automation (ICRA)

The International Conference on Robotics and Automation (ICRA) is the IEEE Robotics and Automation Society’s biggest conference and one of the leading international forums for robotics researchers to present their work.


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Periodicals related to Electrostatic levitation

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Applied Superconductivity, IEEE Transactions on

Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission


Automatic Control, IEEE Transactions on

The theory, design and application of Control Systems. It shall encompass components, and the integration of these components, as are necessary for the construction of such systems. The word `systems' as used herein shall be interpreted to include physical, biological, organizational and other entities and combinations thereof, which can be represented through a mathematical symbolism. The Field of Interest: shall ...


Automation Science and Engineering, IEEE Transactions on

The IEEE Transactions on Automation Sciences and Engineering (T-ASE) publishes fundamental papers on Automation, emphasizing scientific results that advance efficiency, quality, productivity, and reliability. T-ASE encourages interdisciplinary approaches from computer science, control systems, electrical engineering, mathematics, mechanical engineering, operations research, and other fields. We welcome results relevant to industries such as agriculture, biotechnology, healthcare, home automation, maintenance, manufacturing, pharmaceuticals, retail, ...


Control Systems Magazine, IEEE

The magazine covers theory, analysis, design (computer-aided design), and practical implementation of circuits, and the application of circuit theoretic techniques to systems and to signal processing. Content is written for the spectrum of activities from basic scientific theory to industrial applications.


Control Systems Technology, IEEE Transactions on

Serves as a compendium for papers on the technological advances in control engineering and as an archival publication which will bridge the gap between theory and practice. Papers will highlight the latest knowledge, exploratory developments, and practical applications in all aspects of the technology needed to implement control systems from analysis and design through simulation and hardware.


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Most published Xplore authors for Electrostatic levitation

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Xplore Articles related to Electrostatic levitation

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Mass determination with the magnetic levitation method

2008 Conference on Precision Electromagnetic Measurements Digest, 2008

The project for the realisation of the kilogram using the ldquosuperconducting magnetic levitation methodrdquo has been continued at MIKES. From the results of the subproject, calorimetric measurements, we have come to the conclusion that the realisation of the kilogram based on the levitation method is difficult with the present knowledge of energy losses in superconductors due to incomplete Meissner effect. ...


Performance Characteristics of a Pulse-Charging System

IEEE Transactions on Industry Applications, 1986

A prototype pulse-charging circuit has been developed consisting of high- voltage RF bursts superimposed onto a 60-Hz modulating field. The supply is connected to a four-electrode system that generates ac pulse corona. By selecting the burst initiation time, either positive or negative ions can be generated and transferred across an air gap of a few centimeters. The performance of the ...


MEMS inertial sensor toward higher accuracy & multi-axis sensing

SENSORS, 2005 IEEE, 2005

This paper reports MEMS inertial sensor which is based on the principle of a rotational gyroscope can detect both 3-axis acceleration and 2-axis angular rate at a time by electrostatically suspending and rotating rotor in the shape of a ring made from silicon. The device has several advantages: the levitation of the rotor in a vacuum eliminates a mechanical friction ...


Electrostatic levitator for hard disk media

IEEE Transactions on Industrial Electronics, 1995

This paper discusses developments in contact-less electrostatic levitators for use in ultra-high-vacuum (UHV) and clean environments. Presented is the first demonstration of an electrostatic levitation technology which can suspend disk-shaped metals and alloys. A 3.5-in diameter aluminum hard disk media has been suspended successfully by actively controlling an electrostatic attractive force acting on it. This paper describes the basic principle ...


Numerical analyses of trapped field magnet and stable levitation region of HTSC

IEEE Transactions on Magnetics, 1995

Stable levitation with a permanent magnet and a bulk high T/sub c/ superconductor (HTSC) is examined numerically by using the critical state model and the frozen field model. Differences between a permanent magnet and a trapped field magnet are discussed in terms of the levitation force property. The stable levitation region of the HTSC on a ring magnet and on ...


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Educational Resources on Electrostatic levitation

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IEEE-USA E-Books

  • Mass determination with the magnetic levitation method

    The project for the realisation of the kilogram using the ldquosuperconducting magnetic levitation methodrdquo has been continued at MIKES. From the results of the subproject, calorimetric measurements, we have come to the conclusion that the realisation of the kilogram based on the levitation method is difficult with the present knowledge of energy losses in superconductors due to incomplete Meissner effect. New materials or measurement methods has to be found. A new improved test system under the consideration will be presented.

  • Performance Characteristics of a Pulse-Charging System

    A prototype pulse-charging circuit has been developed consisting of high- voltage RF bursts superimposed onto a 60-Hz modulating field. The supply is connected to a four-electrode system that generates ac pulse corona. By selecting the burst initiation time, either positive or negative ions can be generated and transferred across an air gap of a few centimeters. The performance of the circuit has been determined by charging metal and glass spheres that have been mounted on insulated stalks. Variations have been made in the modulating field and burst characteristics to optimize the performance. Comparisons have been made between the pulse charger and inductive schemes which are available for the electrostatic levitation of objects. The pulse charger has been found to be more effective at corresponding voltages.

  • MEMS inertial sensor toward higher accuracy & multi-axis sensing

    This paper reports MEMS inertial sensor which is based on the principle of a rotational gyroscope can detect both 3-axis acceleration and 2-axis angular rate at a time by electrostatically suspending and rotating rotor in the shape of a ring made from silicon. The device has several advantages: the levitation of the rotor in a vacuum eliminates a mechanical friction resulting in high sensitivity; the position control for the levitation allows to sense accelerations in tri-axis. Latest measurements yield noise level of gyro and that of accelerometer as low as 0.002deg/s/Hz<sup>frac12</sup> and 20 muG/Hz<sup>frac12</sup>, with 1.5mm diameter rotor at 74,000rpm

  • Electrostatic levitator for hard disk media

    This paper discusses developments in contact-less electrostatic levitators for use in ultra-high-vacuum (UHV) and clean environments. Presented is the first demonstration of an electrostatic levitation technology which can suspend disk-shaped metals and alloys. A 3.5-in diameter aluminum hard disk media has been suspended successfully by actively controlling an electrostatic attractive force acting on it. This paper describes the basic principle of electrostatic suspension, the structure of an experimental levitator, electrode design, position feedback control method, a linear system model, and operational procedures. In addition, experimental data are given to confirm the suspension. The electrostatic levitation technology will be a key technique in the developments of contactless and friction-free manipulation and transportation equipments utilized in UHV and clean environments, both of which are necessary for the manufacture of the new generation of semiconductor devices.<<ETX>>

  • Numerical analyses of trapped field magnet and stable levitation region of HTSC

    Stable levitation with a permanent magnet and a bulk high T/sub c/ superconductor (HTSC) is examined numerically by using the critical state model and the frozen field model. Differences between a permanent magnet and a trapped field magnet are discussed in terms of the levitation force property. The stable levitation region of the HTSC on a ring magnet and on a solenoid coil are calculated using numerical methods. The obtained results are discussed from the point of view of differences in magnetic field configuration.<<ETX>>

  • Mathematical model of a levitation system based on eddy currents

    This paper contains a synthesis to model an electromagnetic levitation system using a direct evaluation method of electromagnetic and electromotive forces, taking the Maxwell equations that relate electric and magnetic fields. The aim of this work is to contribute to researches focused on developing and optimising mechanisms to provide solutions for applications where mechanical friction must be reduced or eliminated. A prototype is also presented; it will support experimental requirements for curses on automatic control and physical experimentation principles as well as models related with electrostatics and magnetodynamics

  • Direct electrostatic levitation and propulsion

    A new type of mechanism, called "direct electrostatic levitation and propulsion" (DELP), has been successfully developed. The novel aspect of this mechanism is that an object can be directly levitated and driven via electrostatic forces. In this paper, a brief review of the basic principles of this system is presented. This is followed by a description of the structure of a prototype DELP mechanism, including electrode design, position feedback control method for levitation, driving principle and operational procedures. Experimental results which demonstrate completely contactless transportation of a 3.5 inch aluminum hard disk media are also presented.

  • An IC for closed-loop control of a micromotor with an electrostatically levitated rotor

    A new micromotor structure proposed uses an electrostatic bearing to levitate the rotor. A sampling controller digitally controls five degrees of freedom for levitation by sensing differential capacitances. The controller is compatible with an existing rotation controller and has been implemented in a 1.2-/spl mu/m, double-poly CMOS process. It uses a low noise circuit to resolve the polarity of charge packets as small as 500 aC (3000 e/sup -/) every 1.5 /spl mu/s.

  • Design of traveling-wave field panel for pharmaceutical powders based on computer simulation of particle trajectories

    A fundamental study of charged particle levitation and transport in a traveling-wave field was carried out with a view to design and manufacture a series of flatbed panels with embedded electrode arrangement. Fourier transformation technique has been used to provide boundary conditions for the numerical calculations of particle trajectories. From the analysis, a potential function can be extracted which gives a better approximation compared to the one given by Masuda's early work. The numerical method using finite element and finite difference technique to solve field and trajectories, respectively, has been employed with a well-designed user interface. The user interface for integrating both methods is of universal value on its own. Based on this study, a computer program is under development with three levels of accuracy. The first level with consideration of the first spatial harmonic is presented in this paper, which is sufficient for designing panel electrode arrangements for the confinement and transport of dry powders. For the advanced study of particle trajectories under higher harmonic vectors, levels 2 and 3 (currently under development) may be utilized to serve different user requirement of accuracy. A series of panel electrodes have been designed and manufactured based on the analyses presented in this paper. Using these panels, lactose powder samples were successfully levitated and transported in the desired direction. Experimental observation is in good agreement with the numerical results.

  • Double Frequency Dep Levitation Of Bioparticles

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