Patents Assigned to Fetch Robotics
  • Patent number: 9827668
    Abstract: A joint includes: a motor coupled to the joint, the motor configured to move the joint; a joint side sensor configured to measure a parameter of interest of a joint side target; a motor side sensor configured to measure the parameter of interest of the motor; and a controller configured to control the motor, the controller operably connected to the joint side sensor, the controller operably connected to the motor side sensor.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: November 28, 2017
    Assignee: Fetch Robotics, Inc.
    Inventors: Derek King, Eric Diehr
  • Publication number: 20170305011
    Abstract: A robotic torso sensing system and method includes: a robotic torso comprising a mobile torso, the robotic torso further comprising a fixed torso; a motor configured to move the mobile torso; a torso encoder configured to provide information to the motor; a master controller operably connected to the motor, the master controller configured to control the motor, the master controller operably connected to the torso encoder, the master controller further configured to control the mobile torso; and a sensor configured to measure a position of the mobile torso, the sensor further configured to transmit the measurement to the master controller.
    Type: Application
    Filed: April 21, 2016
    Publication date: October 26, 2017
    Applicant: Fetch Robotics, Inc.
    Inventors: Michael Ferguson, Melonee Wise, Derek King
  • Patent number: 9744667
    Abstract: A system for promoting safety of a robotic appendage includes: a robot controller; and a robot controllable by the robot controller, the robot controller configured to compute an estimated power draw of a planned trajectory of the robot, the robot controller further configured to modify the planned trajectory to prevent the estimated power draw from exceeding a power limit; the robot comprising: an appendage; an appendage controller configured to control the appendage; and a breaker configured to limit power delivered to the appendage. A system for promoting safety of a robotic appendage includes a plurality of robots operably connected with each other, the robots configured to communicate with each other regarding estimated power draw characteristics.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: August 29, 2017
    Assignee: Fetch Robotics, Inc.
    Inventor: Michael Ferguson
  • Publication number: 20170120454
    Abstract: A quick change end effector system for use with a robot includes: a quick change end effector configured for application to a task to be completed by a robot, the quick change end effector further comprising an end effector magnet; and a robotic manipulator configured to lock to the end effector, the robotic manipulator further configured to use the end effector to complete the task, the robotic manipulator comprising a manipulator magnet, the manipulator magnet being configured to magnetically attract the end effector magnet, thereby locking the manipulator in a mechanically strong connection to the quick change end effector, wherein upon disengagement of the magnetic attraction locking the manipulator to the quick change end effector, the quick change end effector can be quickly removed from the manipulator.
    Type: Application
    Filed: October 30, 2015
    Publication date: May 4, 2017
    Applicant: Fetch Robotics
    Inventors: Michael Ferguson, Mark Medonis
  • Patent number: 9559461
    Abstract: A system for aligning a robotic charging connector with a mating connector includes: a robot comprising a charging connector; a self-aligning robotic charging dock comprising a floating interface assembly, the floating interface assembly comprising a floating interface plate, the floating interface assembly further comprising a mating connector, the mating connector configured to snugly mate with the charging connector, the floating interface assembly further comprising a floating interface configured to align the robotic charging connector with the mating connector, the floating interface comprising a sliding surface configured to move against the floating interface plate as the robot docks with the robotic charging dock.
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: January 31, 2017
    Assignee: Fetch Robotics, Inc.
    Inventor: Eric Diehr