SAE Electronics & Connectivity - Prototype Issue - 8

tech report
Expanded diagnostics extend beyond the vehicle
As engines get more sophisticated, they are docians who can do much more analytical work than ing more to figure out what’s gone wrong, or operators in the field. By examining data related when something might be ready to fail. Diagnos- to fluid and operating conditions, they can detertics are constantly mine when it’s time to monitoring engine perform maintenance. performance, often That is far more effisending data to recient than relying on mote sites so technihours run or other faccians can determine tors that don’t account when it’s time for for actual working maintenance. conditions. As tightened U.S. “It’s critical to have Trimble’s modem lets operators send and European regulatelematics,” Mastandudiagnostic information to remote sites. tions come on line, dino said. “Whenever agnostic systems have you can reduce the to check more components using sensors that amount of downtime, operators will win.” take readings under changing conditions. These The communications industry is moving swiftly new sensors are testing engines and their afterto help equipment makers and owners make this treatment systems in all sorts of operating condi- link. tions. Trimble is now shipping its DCM-300 modem, Diagnostics are no longer performed only in which can be used for Connected Farm wireless steady state conditions. “With Tier 4, you need to field data transfers. Connected Farm includes the do transient tests,” said Joe Mastanduno, Engine/ Farm Works Dispatch asset tracking productivity Drivetrain Product Marketing Manager at John software, which helps owners and operators imDeere Construction and Forestry Division. “To prove productivity. CNH is among the manufacdo that, you need more memory and more CPU turers who have contracted with Trimble. capability than with steady state diagnostics.” In Europe, the Actia Group recently unveiled When data is constantly being gathered under its Connected Vehicle tools, which are certified to all types of conditions, users can get more accuSIL2 or 3 in compliance with the IEC 61508 funcrate views of when they need to perform maintetional safety standard. nance. Increasingly, manufacturers are talking Some firms have banded together to create about prognostics, which predicts the possibility standards that they hope will help foster greater of failures by observing minute changes in perforuse of telematics. In March Axeda, LHP mance. Telematics, Hirschman, Method Electronics, This trend is among the factors that are making Morey Corp., ORBCOMM, and Telenor formed diagnostics and telematics synergistic technolothe Rugged Telematics Alliance. gies. When telematic systems gather data that’s Analysts predict that buyers will flock to these available on SAE J1939 or other networks, diagand other new communication links. Berg Innostic information can be sent to remote technisight predicts that management system deploy-

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SAE Electronics & Connectivity - Prototype Issue

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