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Laszlo Systems is announcing a deal with Sun Microsystems today to bring the OpenLaszlo platform to the Java Platform, Micro Edition (Java ME). This is great news for OpenLaszlo, and it should make waves in the mobile world.
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IngentaConnect A Simulink simulation framework of a MagLev model
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A Simulink simulation framework of a MagLev model
Authors: Boudali H.1; Williams R.D.1; Giras T.C.1
Source: Proceedings of the I MECH E Part F Journal of Rail and Rapid Transit,
Volume 217, Number 3, 1 September 2003
, pp. 227-236(10)Publisher: Professional Engineering Publishing
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Abstract:
This paper presents a three-degree-of-freedom model of a section of the magnetically levitated train MagLev. The MagLev system dealt with in this article utilizes electromagnetic levitation. Each MagLev vehicle section is viewed as two separate parts, namely a body and a chassis, coupled by a set of springs and dampers. The MagLev model includes the propulsion, the guidance and the levitation systems. The equations of motion are developed. A Simulink simulation framework is implemented in order to study the interaction between the different systems and the dynamics of a MagLev vehicle. The simulation framework will eventually serve as a tool to assist the design and development of the MagLev system in the United States of America.
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Apparatus for producing a uniform magnetic field over a large surface area of a wafer - Patent 6136166
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Apparatus for producing a uniform magnetic field over a large surface area of a wafer
<!-- Document Type -->
Document Type and Number:
United States Patent 6136166
Link to this page:
http://www.freepatentsonline.com/6136166.html
<!-- Abstract -->
Abstract:
An apparatus for producing in a deposition system an aligned uniform magnetic field across a workpiece or a wafer having a large surface area includes spaced flux guides which are formed with tapered sections that narrow towards the central region of the wafer. Magnetic members which may be permanent magnets or electromagnets are disposed close to the wafer and co-act with the flux guides to achieve the desired uniform magnetic field. In this way, thin films deposited within the deposition system are formed with uniform thickness and magnetic properties.
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Apparatus for generating uniform magnetic field using small diameter spherical metallic members provided on magnetic poles - Patent 5089798
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Apparatus for generating uniform magnetic field using small diameter spherical metallic members provided on magnetic poles
<!-- Document Type -->
Document Type and Number:
United States Patent 5089798
Link to this page:
http://www.freepatentsonline.com/5089798.html
<!-- Abstract -->
Abstract:
Two disc shaped permanent magnets are provided within a yoke structure in a manner to face one another. Two pole pieces are disposed on the surfaces of the two magnets respectively. Small spherical metallic members which induce a localized increase in magnetic field strength, are attached to the surfaces of the opposed pole pieces at selected locations in a manner which unifies the magnetic field produced.
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SpringerLink - Journal Article
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Abstract The simulation of microsystems requires to handle the close coupling between electronical and mechanical components. This interaction between electronics and mechanics often is an inherent and essential property of such systems. Therefore, dynamical electro-mechanical simulations are indispensable for the examination of the system behavior. For this purpose, we developed a method which enables dynamical electro-mechanical simulations within an electronical circuit simulator. To accomplish this, the mechanical behavior of the system is modeled through electronical devices. This modeling process is automated by the CAD-tool MEXEL which translates systems of (partial) differential and algebraical equations to SPICE-3 netlists. In this way, electro-mechanical systems can be handled with one simulator and one simulation approach. Problems caused by coupling different simulators do not occur any more. All reported approaches, e.g. Herbert (1992) or Paap et al. (1993), are restricted to the simulation of ordinary differential equations within a circuit simulator. We extend this work to system descriptions including partial differential equations by applying the method of finite differences. The suitability of our method is shown by dynamical simulation of a capacitive pressure sensor system including its readout circuitry.
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SolidWorks Partner Directory
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Typical applications for the software include: electric motors, magnets, sensors, high voltage equipment, solenoids, actuators, MRI and NMR, MEMS devices, magnetic levitation, electron guns, antennas, and virtually any other application that requires magnetic design and simulation.
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Magplane Technology Group of Companies - Careers
-
Specific
Responsibilities:
The individual will be
expected to take responsibility for carrying out or supervising:
- Maglev system analysis to
optimize system components - Six-degree-of-Motion
dynamic analysis of vehicle behavior - Vehicle dynamic control
system programming - Electro-mechanical
analysis of vehicle suspension systems - Magnetic field analysis
of maglev levitation and propulsion - Magnetic shielding
analysis - Aerodynamic analysis of
the vehicle drag and aerodynamic damping surfaces - Electromagnetic and
electrical power analysis of the propulsion magnet system - Thermal management
analysis of electrical components
Software Skills
Expected:
ANSYS (Magnetics), MATLAB and
SimMechanics, Vector Fields, LabView,
Programmable Logic
Controllers, Visual Fortran, C, C++, Macro-assembly language - Maglev system analysis to
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ANSYS Emag
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ANSYS Emag™
Electromagnetic simulations are critical to electrical and electronic product
designs across many industries. Applications involve everything from rotating
machines (motors and alternators), sensors and actuators, power generators
and transformer systems, and Micro Electro Mechanical Systems (MEMS). ANSYS
Emag provides a comprehensive range low-frequency analysis features to address
the diverse needs of the electromagnetics engineer, from motor design to ion
optics.
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The MathWorks - Third-Party Products & Services - FLUX
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Third-Party Products & Services
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FLUX
CAE software for electromagnetic design
Highlights:
- Electromagnetic design software
- Finite element methods, such as static, harmonic, and transient state
- Linear and rotating motion
- CAD import, objects library, and multiparametric studies
- 2- and 3-D design
Click to see enlarged view
Description:
FLUX is a CAE software package for electromagnetic design, which utilizes finite element (FEM) analysis. FLUX includes full geometry parameterization capabilities, static and dynamic excitation capabilities, connection to internal or external electrical circuits, and linear and rotating motion capabilities. FLUX technology enables you to explore, evaluate, and understand the behavior of a device that contains nonlinear steel components, electric currents in conductors, and/or permanent magnets.
FLUX can be used in the research, design, and production of every type of electric device and process, from small appliances to large machinery, from audio speakers, to medical MRI. Coupled with other programs, FLUX solutions expand into drive technology, fluid power, mechanics, acoustics, and thermal analysis. FLUX offers a direct link to Simulink, enabling you to develop your control strategy directly in Simulink with the FEM model described in FLUX. During the computation, FLUX and Simulink are run in transient cosimulation.
Read the user story on how Protronic uses MathWorks and CEDRAT products.
Platforms:
Windows
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» OpenLaszlo makes a deal with Java to go mobile | The Universal Desktop | ZDNet.com
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OpenLaszlo makes a deal with Java to go mobile
Posted by Ryan Stewart @ 7:21 am
Categories: Rich Internet Applications, OpenLaszlo, Mobile-Web, Java
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VRML - Wikipedia, the free encyclopedia
Tags: no_tag on 2007-07-02 and saved by2 people -All Annotations (0) -About
more fromen.wikipedia.org
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COSMOSMotion
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<!-- MAIN BODY BEGINS -->
The most popular virtual prototyping
tool for SolidWorks, COSMOSMotion™ lets you make sure your designs
will work before you build them.
Included inside SolidWorks
Office Premium, COSMOSWorks Professional, and COSMOSWorks Advanced Professional*,
COSMOSMotion is the standard virtual prototyping package for engineers
and designers interested in understanding the performance of their assemblies.
COSMOSMotion enables engineers
to size motors/actuators, determine power consumption, layout linkages,
develop cams, understand gear drives, size springs/dampers, and determine
how contacting parts behave.
The result is a quantitative reduction
in physical prototyping costs and reduced product development time. COSMOSMotion
also provides qualitative benefits such as the ability to consider more
designs, risk reduction, and the availability of valuable information
early in the design process.
* Available with SolidWorks
2006 SP4, COSMOSWorks Professional 2006 SP4 and COSMOSWorks Advanced Professional
2006 SP 4 and above
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SimMechanics Vs SolidWorks COSMOSMotion - comp.cad.solidworks | Google Groups
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CosmosMotion is integrated in SolidWorks, so it is a "purely
mechanics" simulation system, where you can easily define joints,
restraints, forces in 3D, and you can take advantage of Animator and
CosmosWorks features to make animations and FEA studies of critical
parts.
However, when you need to simulate a system with feedback, control,
complex trajectory generation, you'll need to dive into its (very) old
fashioned ADAMS programming language. See the online help about
"adams" to get the picture.
SimMechanics is an extension of a great "system oriented" simulation
package : Simulink. In Simulink your system is modelled as connected
blocks which define "transfer functions" between inputs and output.
Each of your parts and each of your joints will be converted in a
block by the cad-2-simmechanics tool, then you'll complete the diagram
by adding source signals, feedback loops and automation devices in a
much more comfortable manner than coding in adams.
A very interesting alternative to Simulink is Dymola by http://www.dynasim.com/
,which relies on an open-source language called Modelica http://www.modelica.org/.
It'd definitely be my choice for complex systems.
Block diagram oriented simulation is in trouble with contact problems,
for example when a part is in a conveyor and falls on another device.
You'd need to define all the possible contacts as blocks, while 3D
tools such as CosmosMotion use general collision (interference)
detection. However, Block diagrams allow to model contacts and
friction with much higher detail than the "impact" model used in 3D
(CosmosMotion). The combination of the general collision detection
with impact forces and frictionresults in long simulation time and,
quite often, wrong results.
A difficulty with all tools including CosmosMotion is the conversion
of assembly "mates" into cinematic joints (revolute, prismatic...),
while handling "flexible" assemblies and other cad-related stuff. It
works on simple models where mates have been carefuly defined using
gormetry on connected parts. If your model has "design mates" such as
the distance between reference planes of two distant parts, or if you
didn't select the same parts to define the concentricity and the
coincidence of a revolute joint, or didn't block the free motion of
your screws, prepare to spend some time clearing the jungle of the
cinematic joints...
Hope this helps.
( Looks like this answer is long enough to become a post on a blog
soon ;-)
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ebXML - Wikipedia, the free encyclopedia
-
ebXML
From Wikipedia, the free encyclopedia
(Redirected from E-Business XML)
Jump to: navigation, search<!-- start content -->
- The correct title of this article is ebXML. The initial letter is shown capitalized because of technical restrictions.
Electronic Business using eXtensible Markup Language, commonly known as e-business XML, or ebXML (pronounced ee-bee-ex-em-el) as it is typically referred to as, is a family of XML based standards sponsored by OASIS and UN/CEFACT whose mission is to provide an open, XML-based infrastructure that enables the global use of electronic business information in an interoperable, secure, and consistent manner by all trading partners.
The ebXML architecture is a unique set of concepts; part theoretical and part implemented in the existing ebXML standards work.
The ebXML work stemmed from earlier work on ooEDI (object oriented EDI), UML / UMM, XML markup technologies and the X12 EDI "Future Vision" work sponsored by ANSI X12 EDI.
The melding of these components began in the original ebXML work and the theoretical discussion continues today. Other work relates, such as the Object Management Group work and the OASIS BCM (Business-Centric Methodology) standard (2006).
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Jerry Yang & David Filo
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"When I first met Jerry and David," says Koogle, "what struck me immediately was that they had
filled a fundamental need and they had done it intuitively. That's what you look for in starting
a business."
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Java Web Start - Wikipedia, the free encyclopedia
-
Well-known Web Start applications
- Gantt Project - An open source project management tool.
- ArgoUML - An open source UML modeling tool.
- Jext - An open source text editor that supports syntax highlighting for multiple languages
- Poseidon for UML - Another UML modeling tool, (commercial, but with a free 'community' edition)
- CrossFTP - A versatile professional GUI FTP client.
- MapTool - An electronic, networked, virtual tabletop (battleboard) for use in role playing games.
- <oXygen/> XML Editor - An XML Editor.
- Wurm Online - A 3D Massively Multiplayer Online Fantasy Simulator.
- Jake2 a Java 3D game engine - The Quake 2 engine ported to Java.
- SSH Navigator - Secure File Transfer and Management Using SSH/SFTP
- PoxNora - A 3/4 perspective, turn-based strategy, collectible card game by Octopi, Inc..
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