题目Elephants are the largest of all land animals.However,there are not many of them left in the world.In China,the Asian elephant is a first-class(一级)protected wild animal.The animal mainly lives in Yunnan.Thanks to China's hard work,the number of elephants in C...
Torque observation techniques have been widely employed to estimate the load torque of flexible joints driven by a permanent magnet synchronous machine (PMSM). However, the performance of the observer degrades significantly when the position and orientation of the robot continuously changes, resulting in...
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[11], alignment based on adjustment on separate-bias Kalman filter [12], application of nonlinear filtering in alignment [13], initial attitude estimation of tactical grade inertial measurement [14], alignment with robust adaptive unscented Kalman filter [15], alignment based on a group of double...
To limit the high-frequency chattering originating from the conventional sliding mode observer in a PMSM sensorless control system of vacuum pumps and reduce the steady-state error caused by the phase lag of the coordinate system on the estimated speed, a speed estimation algorithm was proposed base...