In this paper, a synchronization balancing control is proposed based on the contraction theory of stability for inverted pendulum.The control scheme is applied to floor mat alarm for elderly balance an inverted pendulum mounted on a moving cart with two wheels.The equations of motion of the system are divided into two cascade systems using the cont
Aim.Downhill varices are not so safe as skeleton yard stakes thought and can lead to life-threating or mortal bleeding complication, even if rare.In order to draw attention to this topic, we analysed 129 patients.Materials and Methods.We evaluated the electronic endoscopy data records of all patients undergoing upper gastrointestinal endoscopy over
The underground metal structure in the radiation field of the radio frequency antenna can be equivalent to the receiving antenna.The energy of electromagnetic wave focused on the metal structure will be released in the form of discharge spark under scratch condition.At present, there is no testing method and experimental equipment to measure the di