Prova Systems (Carbondale, PA) has announced its Vehicle Inertia Monitor (VIM). The VIM is a dual-mode advanced J1939 CAN-bus vibration analyzer and vehicle attitude sensor for heavy duty vehicle prognostics and performance monitoring. The VIM vibration mode helps maintenance engineers plot equipment performance over time to characterize normal operating metrics. The device captures and highlights subtle changes in vibration through use of high-resolution sub-Hz analysis via multi-rate signal processing, providing indicators pointing towards degradation in equipment performance. The VIM attitude mode incorporates advanced signal processing techniques to estimate vehicle orientation using dynamic modeling and detected vehicle motion from the SAE J1939 CAN-Bus communication link.

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This article first appeared in the November, 2015 issue of NASA Tech Briefs Magazine.

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