Add Yahoo as a preferred source to see more of our stories on Google. The government has ordered an investigation into how thousands of motorists were wrongly recorded as breaking the speed limit on ...

Abstract: Synchronous machines usually operate at constant speed in power systems. However, there are specific applications, such as the generators used in diesel-electric transmissions or Type 4 wind ...

Abstract: Joint stiffness control is essential for safe and compliant human–robot interaction in rehabilitation exoskeletons. Variable stiffness actuators (VSAs), with controllable physical stiffness, ...