Invention Grant
- Patent Title: Dynamical system-based robot velocity control
- Patent Title (中): 基于动力系统的机器人速度控制
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Application No.: US14323047Application Date: 2014-07-03
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Publication No.: US09381643B2Publication Date: 2016-07-05
- Inventor: Heiko Hoffmann , David W. Payton , Derek Mitchell
- Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Applicant Address: US MI Detroit
- Assignee: GM Global Technology Operations LLC
- Current Assignee: GM Global Technology Operations LLC
- Current Assignee Address: US MI Detroit
- Agency: Quinn Law Group, PLLC
- Main IPC: B25J9/16
- IPC: B25J9/16 ; G05B19/19

Abstract:
A robotic system includes an end-effector and a control system. The control system includes a processor, a dynamical system module (DSM), and a velocity control module (VCM). Via execution of a method, the DSM processes inputs via a flow vector field and outputs a control velocity command. The inputs may include an actual position, desired goal position, and demonstrated reference path of the end-effector. The VCM receives an actual velocity of the end-effector and the control velocity command as inputs, and transmits a motor torque command to the end-effector as an output command. The control system employs a predetermined set of differential equations to generate a motion trajectory of the end-effector in real time that approximates the demonstrated reference path. The control system is also programmed to modify movement of the end-effector in real time via the VCM in response to perturbations of movement of the end-effector.
Public/Granted literature
- US20160000511A1 DYNAMICAL SYSTEM-BASED ROBOT VELOCITY CONTROL Public/Granted day:2016-01-07
Information query
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