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Electronic controls.

Article Excerpt
Electronic controls

by Chad Elmore

Part eight of OEM Off-Highway's trip through the mobile hydraulic circuit.

Throughout 2008, OEM Off-Highway's Fluid Power Series has traveled through the mobile hydraulic system. In the March issue, the hydraulic system was described as a team that requires all members to be on the field in order to achieve success. Fortunately, from a safety standpoint, the team isn't a self-starter. Nothing happens with the cylinder, pump, or motor until it receives an input from the coach in command of the machine. Today, thanks to electronic control technology, communicating with the hydraulics team has never been easier or more effective.

"Electronic components themselves are generally more environmentally hardened than they were 10 years ago," says Dan Ricklefs, product portfolio manager - controls, Sauer-Danfoss, Ames, IA, "but more importantly, systems are being designed in a manner that is simply more robust. Control schemes that address error detection, proactive fault handling, and general machine safety are better understood and more widely employed. Advances in products like graphical displays can now provide significantly more system information to the operator, making the electronic control system less of a 'black box' and more of a benefit to getting the job done. All these advances help instill confidence in...

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