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General Motors Orders Real-time Knock Analysis System

May 21, 2007

The KRONOS-V system from Spectral Dynamics provides true spectral content-based real-time engine knock analysis.


FREMONT, CA /PRNewswire/ -- The Advanced Research Products Group (ARPG) of Spectral Dynamics, Inc., announced booking the first order for their new KRONOS-V System to General Motors. The facility is Powertrain & Advanced Engineering Group located in Wixom, MI.

KRONOS-V is a dedicated turn-key system for true spectral content-based, objective real-time engine knock analysis.

Gary Patterson, staff combustion engineer for General Motors, well known and respected for his contributions to new engine design and combustion analysis, stated "After seeing the advanced knock detection and analysis system in operation I had to have one!"

Patterson went on to say, "The real-time spectral display of knocking engine cycles is visually stunning! Its instant response and analysis gives me the real-time feedback I need. KRONOS-V is the first product which allows me to selectively remove non-combustion spectral content. It provides both visual results and control outputs in real-time."

The KRONOS-V Knock Analysis tool is an add-on for most combustion analysis and charge amp-based systems. It offers a range of channel counts and capabilities including: engine knock and pre-ignition, closed-loop lights-out engine mapping, diesel noise, and transfer function analysis for star modal.

KRONOS-V is an automated knock detection/calibrator feedback system for multi-cylinder measurement & recording. KRONOS-V allows real-time spectral analysis of multiple knock events contained in cylinder pressure data or block mounted acoustic transducer data, with automated quantification of the signal contents for generation of triggers to external devices or programs.

Mark Remelman, the ARPG Product Line Manager, and inventor of KRONOS, stated, "This revolutionary system significantly reduces the overhead and time to map an engine from weeks to hours using unattended "lights out" operation. Our patented knock detection capability will also significantly reduce the loss of engines during testing. "

Spectral Dynamics, Inc. is a leading worldwide supplier of real-time systems and software for advanced computer-automated data acquisition, vibration testing, structural dynamics, explosive shock, high-speed transient capture, acoustic analysis, monitoring, measurement, and control. Spectral Dynamics' products are used for research, design verification, and product testing by manufacturers, universities and government-funded agencies. For more information visit its Web site.

For more information about KRONOS-V contact Sheryl Lipari with ARPG, at 510-252-0475 - liparis@sd-star.com. For a digital version of this press release, contact Douglas Schwartz with SterlingCi 408-246-3749 - doug@sterlingci.com.


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