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%).
A group of engineering students at Rice University have designed a knee brace that harvests energy from walking, which potentially can be reused to power small medical devices and even an artificial heart.
The global packaged food market is still rising, thanks to constantly changing consumer preferences and growing demand in the Asia Pacific (APAC) region, and the global food packaging machinery market is continuing to ride its fortunes.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.