Many cities, including San Francisco and Los Angeles, limit the amount a landlord can raise the rent each year — a policy known as rent control. But for nearly 30 years, California has imposed limits ...

Abstract: This paper addresses the issues of insufficient model accuracy and poor control performance in traditional unmanned aerial vehicle (UAV) lifting operations by proposing an improved control ...

Abstract: In the lower limb rehabilitation exoskeleton, A pure trajectory control strategy may not be the most effective means of providing gait rehabilitation. By using the man-machine coupling force ...