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Entries for the 'DAQ Hardware' Category

New White Paper: Electric Vehicle Battery Pack Testing
Brent Hoerman

New White Paper: Electric Vehicle Battery Pack Testing

DMC has been involved in quite a few battery testing projects lately. We thought it would be helpful to assemble a compilation of some of the general things we have learned into a new white paper.... "Electric Vehicle Battery Pack Testing in a Manufacturing Environment" If you are interested in the automotive battery packs used in electric vehicles (EVs), hybrid electric vehicles (HEVs), and plugin hybrid electric vehicles (PHEVs) and how they are tested, this article should cont...

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Check out our new Case Studies!
Kristie Simon Shea

Check out our new Case Studies!

We have added a few new Case Studies that showcase two of the business areas in which we recently have had a number of projects: Sharepoint Development and Battery Testing. Check out these Case Study entries to read more detail! Sharepoint Timesheet Entry Portal Battery Management System (BMS) Validation Test Stand Battery Pack Monitor System for Environmental Testing

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Using Devcon Command Line Utility to Rescue Unresponsive USB Devices
Jesse Batsche

Using Devcon Command Line Utility to Rescue Unresponsive USB Devices

When choosing a piece of hardware, you will likely be confronted with many options from different vendors for what interface (PCI, PXI, USB, Serial/GPIB, LXI) that device will use to communicate with your software controller, so how do you choose? USB devices are often significantly cheaper than their PCI or PXI counterparts, but this reduced cost comes with a trade-off in the overall stability and robustness of the communications interface. Windows background operations in PC based systems, ...

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New PXI Battery Simulator for PHEV Automotive Applications
Brent Hoerman

New PXI Battery Simulator for PHEV Automotive Applications

For a recent DMC project I had the pleasure of working with Pickering Interfaces, a well-known international PXI hardware vendor, to supply an off-the-shelf PXI card which can simulate 6 chemical battery cells. Since such a product did not exist at the start of the project, DMC had a large role to play in specifying its eventual performance and features. It's not every day you get to dream up your own test and measurement instruments, but I guess that is what we've just done. The resu...

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Working with Legacy Hardware: Tips and Tricks
Danny Budzinski

Working with Legacy Hardware: Tips and Tricks

For a DMC engineer it is not atypical to be faced with outdated, legacy technology. Maybe a customer has come to us to upgrade a system that an intern did in the 90's; maybe a company's engineers have built up a system over the past decade and need help configuring or adding more pieces to it; or maybe a factory has used a controller that was made when you were in middle school and all of a sudden that controller breaks down and needs to be replicated and replaced. Regardless of the situ...

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Software Automation Options for Aerovironment Battery Test and Fuel Cell Test Systems
Brent Hoerman

Software Automation Options for Aerovironment Battery Test and Fuel Cell Test Systems

Lately, DMC has been working on several "Green Engineering" and "Clean Energy" programs to develop test systems for clients developing or evaluating Battery and Fuel Cell Power Systems. Along the way, we have run into some fairly common battery and fuel cell testing equipment in these laboratories, which are produced and sold by Aerovironment (AV). These systems are basically a combination of a big, variable DC power supply and a big, variable DC load. Folks in the indu...

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DMC at NIWeek 2009
Darren Jones

DMC at NIWeek 2009

Every summer, National Instruments holds the NIWeek conference in their home town of Austin TX. This year, DMC has three of us attending: Jesse Batsche, Eric Nielsen, and myself. Monday was “Alliance Day”, tailored to NI Alliance Members, as well as the day for various closed sessions, such as the Big Physics conference to address technologies and trends related to large scale physics applications (particle accelerators, extremely large telescopes). Tuesday through Thursday is ...

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Tips for CAN:  Dynamic Frame Definition with National Instruments NI-CAN
Darren Jones

Tips for CAN: Dynamic Frame Definition with National Instruments NI-CAN

Back in the stone age (i.e. NI-CAN 1.2), us LabVIEW 6 programmers had to write our own parsing routines for dynamically-specified data inside a CAN frame. At the driver layer, we were locked-in to only one layer of arbitration. An oft-overlooked but extremely powerful feature in contemporary versions of the NI-CAN drivers handle this automatically. Example: a BMS (battery managment system) for a hybrid automotive battery broadcasts status information. Status information will always be availab...

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Using LabVIEW with Windows XP Embedded (XPe)
Jody Koplo

Using LabVIEW with Windows XP Embedded (XPe)

I recently finished a project that checked for gas leaks on a mission critical system. Any leaks needed to be diagnosed and discovered as quickly as possible. Our solution also had to be mobile and easily carted around the facility. To develop a system that was incredibly reliable and also capable of displaying and logging important data, we settled on an architecture that used a National Instruments cRIO for data acquisition and a Windows XP Embedded PC as the front end for display and contr...

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DMC Achieves Most LabVIEW Architects in Midwest!
Darren Jones

DMC Achieves Most LabVIEW Architects in Midwest!

DMC demonstrated our LabVIEW expertise again by receiving seven new certifications, including three Architect Certifications, putting DMC among the highest level of LabVIEW Architects in the country. With the additional Developer Certifications, DMC now has the most LabVIEW certifications in the region. Congratulations to four new Certified LabVIEW Developers: Danny Budzinski, Eric Nielsen, Jesse Batsche, and David Simons. All candidates passed with scores greater than 93%. Special mention go...

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NI RF and Communications Technology Forum
Brent Hoerman

NI RF and Communications Technology Forum

On June 2, 2009 I attended National Instruments' RF and Communications Technology Forum held in Schaumberg, IL. It was a very interesting, quick moving 4 hours. Some of the highlights for me were: Watching a demo of using voice to text with LabVIEW quick drop to program using voice commands (Look mom, no hands!). For more info see this LAVA posting. Comparing the PXI platform to the IPhone and LabVIEW RF modules to the AppsStore. For more info, see the presentation on "Defini...

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