Inventor
ZHANG LIFU
CN21 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG LIFU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UBTECH ROBOTICS CORP
14 patentsUS10882184B2Jan 5, 2021
Servo motion control method and apparatus and robot using the same
UBTECH ROBOTICS CORP0 citations60
US10685672B2Jun 16, 2020
Linearity detecting method and device for servo position sensor, and robot with the same
UBTECH ROBOTICS CORP1 citations60
US11059173B2Jul 13, 2021
Robot joint motion control method, device and robot using the same
UBTECH ROBOTICS CORP0 citations52
US10627805B2Apr 21, 2020
Method, device, and terminal device for servo movement smoothing
UBTECH ROBOTICS CORP0 citations51
US10488298B2Nov 26, 2019
Apparatus and system for testing idle position of servo
UBTECH ROBOTICS CORP0 citations51
US10031506B2Jul 24, 2018
Motion control method, motion control device, and motion trajectory planning method
UBTECH ROBOTICS CORP0 citations50
US10564631B2Feb 18, 2020
Servo movement control method, device, and terminal device
UBTECH ROBOTICS CORP0 citations45
US10209093B2Feb 19, 2019
Servo gear idle position measuring device and method
UBTECH ROBOTICS CORP0 citations40
US10379510B2Aug 13, 2019
Command control in a multi-servo feedback control system
UBTECH ROBOTICS CORP0 citations39
US10317874B2Jun 11, 2019
Critical point locking methods of servos and devices thereof
UBTECH ROBOTICS CORP0 citations39
US10211766B2Feb 19, 2019
Multi-turn angle controlling method based on an absolute position encoder and device
UBTECH ROBOTICS CORP0 citations39
US10031514B2Jul 24, 2018
Method for servo locking control and servo
UBTECH ROBOTICS CORP0 citations39
US10744643B2Aug 18, 2020
Robot servo jitter suppression method and device
UBTECH ROBOTICS CORP0 citations38
US10451647B2Oct 22, 2019
Method and device for measuring speed of permanent magnet synchronous motor
UBTECH ROBOTICS CORP0 citations36
UBTECH ROBOTICS CORP LTD
4 patentsUS10727821B2Jul 28, 2020
Transmission hysteresis detecting method and apparatus
UBTECH ROBOTICS CORP LTD1 citations61
US11185983B2Nov 30, 2021
Position control method for servo, computer readable storage medium, and robot
UBTECH ROBOTICS CORP LTD0 citations51
US11230012B2Jan 25, 2022
Servo calibration method and apparatus and robot using the same
UBTECH ROBOTICS CORP LTD0 citations50
US11110607B2Sep 7, 2021
Servo output shaft rotational angle calibration method and system and robot using the same
UBTECH ROBOTICS CORP LTD0 citations50