Patents by Inventor ALEXANDER NICHOLAS ALSPACH

ALEXANDER NICHOLAS ALSPACH has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10248085
    Abstract: A robot design system, and associated method, that is particularly well-suited for legged robots (e.g., monopods, bipeds, and quadrupeds). The system implements three stages or modules: (a) a motion optimization module; (b) a morphology optimization module; and (c) a link length optimization module. The motion optimization module outputs motion trajectories of the robot's center of mass (COM) and force effectors. The morphology optimization module uses as input the optimized motion trajectories and a library of modular robot components and outputs an optimized robot morphology, e.g., a parameterized mechanical design in which the number of links in each of the legs and other parameters are optimized. The link length optimization module takes this as input and outputs optimal link lengths for a particular task such that the design of a robot is more efficient. The system solves the problem of automatically designing legged robots for given locomotion tasks by numerical optimization.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: April 2, 2019
    Assignee: DISNEY ENTERPRISES, INC.
    Inventors: Sehoon Ha, Alexander Nicholas Alspach, Joohyung Kim, Katsu Yamane, Stelian Coros
  • Publication number: 20180107175
    Abstract: A robot design system, and associated method, that is particularly well-suited for legged robots (e.g., monopods, bipeds, and quadrupeds). The system implements three stages or modules: (a) a motion optimization module; (b) a morphology optimization module; and (c) a link length optimization module. The motion optimization module outputs motion trajectories of the robot's center of mass (COM) and force effectors. The morphology optimization module uses as input the optimized motion trajectories and a library of modular robot components and outputs an optimized robot morphology, e.g., a parameterized mechanical design in which the number of links in each of the legs and other parameters are optimized. The link length optimization module takes this as input and outputs optimal link lengths for a particular task such that the design of a robot is more efficient. The system solves the problem of automatically designing legged robots for given locomotion tasks by numerical optimization.
    Type: Application
    Filed: October 13, 2016
    Publication date: April 19, 2018
    Inventors: SEHOON HA, ALEXANDER NICHOLAS ALSPACH, JOOHYUNG KIM, KATSU YAMANE, STELIAN COROS
  • Patent number: 9802314
    Abstract: A robot designed for reducing collision impacts during human interaction. The robot includes a robot controller including a joint control module. The robot includes a link including a rigid support element and a soft body segment coupled to the rigid support element, and the body segment includes a deformable outer sidewall enclosing an interior space. The robot includes a pressure sensor sensing pressure in the interior space of the link. A joint is coupled to the rigid support element to rotate or position the link. During operations, the robot controller operates the joint based on the pressure sensed by the pressure sensor. The robot controller modifies operation of the joint from a first operating state with a servo moving or positioning the joint to a second operating state with the servo operating to allow the joint to be moved or positioned in response to outside forces applied to the link.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: October 31, 2017
    Assignee: Disney Enterprises, Inc.
    Inventors: Katsu Yamane, Joohyung Kim, Alexander Nicholas Alspach
  • Publication number: 20170095925
    Abstract: A robot designed for reducing collision impacts during human interaction. The robot includes a robot controller including a joint control module. The robot includes a link including a rigid support element and a soft body segment coupled to the rigid support element, and the body segment includes a deformable outer sidewall enclosing an interior space. The robot includes a pressure sensor sensing pressure in the interior space of the link. A joint is coupled to the rigid support element to rotate or position the link. During operations, the robot controller operates the joint based on the pressure sensed by the pressure sensor. The robot controller modifies operation of the joint from a first operating state with a servo moving or positioning the joint to a second operating state with the servo operating to allow the joint to be moved or positioned in response to outside forces applied to the link.
    Type: Application
    Filed: February 19, 2016
    Publication date: April 6, 2017
    Inventors: KATSU YAMANE, JOOHYUNG KIM, ALEXANDER NICHOLAS ALSPACH