Servo control of hydraulics hasn't quite lived up to its promise in terms of widespread use of the technology. One big limitation: Its cost. In a recent Design News survey of users of hydraulics, 68% of respondents say that they would use servo if they could buy it for the same price as proportional control. Some other reasons for not servo'ing: Maintenance considerations (52%); complexity (26%); installation difficulties (19%); and filtration considerations (13%).
Sensor deployment in automated factories should be done slowly and conservatively, otherwise engineers may face the loss of hundreds of thousands or even millions of dollars, an Internet of Things expert will tell attendees at the upcoming Design & Manufacturing Show in Minneapolis.
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