Patents by Inventor Alexander Alspach
Alexander 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).
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Publication number: 20230133205Abstract: Pressure sensors and robots incorporating pressure sensors are disclosed. In one embodiment, a pressure sensor device includes a base layer, a deformable layer bonded to the base layer such that the base layer and the deformable layer define at least one inflatable chamber, and at least one pressure sensor fluidly coupled to the at least one inflatable chamber and operable to produce a signal indicative of a pressure within the at least one inflatable chamber.Type: ApplicationFiled: May 31, 2022Publication date: May 4, 2023Applicant: Toyota Research Institute, Inc.Inventors: Alexander Alspach, Andrew M. Beaulieu, Aimee S. Goncalves
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Publication number: 20230138629Abstract: Structures and sensor assemblies having engagement structures for securing a compliant substrate assembly are disclosed. In one embodiment, a sensor assembly includes a compliant substrate assembly having a base layer, and a deformable layer heat-sealed to the base layer such that the base layer and the deformable layer define at least one inflatable chamber. The sensor assembly further includes a first member proximate to a first edge of the compliant substrate assembly, a second member proximate to a second edge of the compliant substrate assembly, wherein the second edge is opposite the first edge, and at least one pressure sensor fluidly coupled to the at least one inflatable chamber and operable to produce a signal indicative of a pressure within the at least one inflatable chamber.Type: ApplicationFiled: May 31, 2022Publication date: May 4, 2023Applicants: Toyota Research Institute, Inc., Toyota Jidosha Kabushiki KaishaInventors: Alexander Alspach, Andrew M. Beaulieu, Aimee S. Goncalves
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Publication number: 20230136803Abstract: Robots and sensor systems having a compliant member for maintaining the position of a sensor are disclosed. In one embodiment, a robot includes a rigid surface, one or more compliant members attached to the rigid surface, and a sensor device. The sensor device includes an inflatable diaphragm operable to be disposed around the one or more compliant members, the inflatable diaphragm having a port, and a pressure sensor fluidly coupled to the port and operable to detect a pressure within the inflatable diaphragm. The one or more compliant members prevent lateral movement and rotational movement of the sensor device.Type: ApplicationFiled: May 31, 2022Publication date: May 4, 2023Applicants: Toyota Research Institute, Inc., Toyota Jidosha Kabushiki KaishaInventors: Alexander Alspach, Andrew M. Beaulieu, Aimee S. Goncalves
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Patent number: 11628576Abstract: Systems and methods for detecting pose and force against an object are provided. A method includes receiving a signal from a deformable sensor comprising data from a deformation region in a deformable membrane resulting from contact with the object utilizing an internal sensor disposed within an enclosure and having a field of view directed through a medium and toward a bottom surface of the deformable membrane. The method also determines a pose of the object based on the deformation region of the deformable membrane. The method also determines an amount of force applied between the deformable membrane and the object is determined based on the deformation region of the deformable membrane.Type: GrantFiled: August 31, 2022Date of Patent: April 18, 2023Assignee: TOYOTA RESEARCH INSTITUTE, INC.Inventors: Alexander Alspach, Russell L. Tedrake, Kunimatsu Hashimoto, Erik C. Sobel
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Patent number: 11585715Abstract: Devices, systems and methods for calibrating a deformable sensor are disclosed herein. A calibration device for calibrating a deformable sensor includes a frame, at least one actuator supported by the frame, where the at least one actuator comprises a drive mechanism operatively coupled to a probe portion, and an electronic control unit communicatively coupled to the drive mechanism of the at least one actuator. The electronic control unit is configured to cause the drive mechanism to move the probe portion a predetermined position to form a predetermined contact surface defined by an end of the probe portion of the actuator.Type: GrantFiled: March 31, 2020Date of Patent: February 21, 2023Assignee: TOYOTA RESEARCH INSTITUTE, INC.Inventors: Alexander Alspach, Naveen Suresh Kuppuswamy, Avinash Uttamchandani
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Patent number: 11584026Abstract: A robot arm assembly for detecting a pose and force associated with an object is provided. The robot arm assembly includes an end effector having a plurality of fingers, and a deformable sensor provided on each finger. The deformable sensor includes a housing, a deformable membrane coupled to the housing, an enclosure filled with a medium, and an internal sensor disposed within the housing having a field of view directed through the medium and toward an internal surface of the deformable membrane. A processor is configured to receive an output from each internal sensor, the output including a contact region of the deformable membrane as a result of contact with the object. The processor determines an amount of displacement of the contact region based on the output from each internal sensor, and determines the pose and the force associated with the object based on the amount of displacement.Type: GrantFiled: June 23, 2020Date of Patent: February 21, 2023Assignees: Toyota Research Institute, Inc., Toyota Jidosha Kabushiki KaishaInventors: Alexander Alspach, Naveen Suresh Kuppuswamy, Avinash Uttamchandani, Samson F. Creasey, Russell L. Tedrake, Kunimatsu Hashimoto, Erik C. Sobel, Takuya Ikeda
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Patent number: 11577395Abstract: Systems and methods for determining a location of a robot are provided. A method includes receiving, by a processor, a signal from a deformable sensor including data with respect to a deformation region in a deformable membrane of the deformable sensor resulting from contact with a first object. The data associated with contact with the first object is compared, by the processor, to details associated with contact with the first object to information associated with a plurality of objects stored in a database. The first object is identified, by the processor, as a first identified object of the plurality of objects stored in the database. The first identified object is an object of the plurality of objects stored in the database that is most similar to the first object. The location of the robot is determined, by the processor, based on a location of the first identified object.Type: GrantFiled: July 17, 2020Date of Patent: February 14, 2023Assignees: Toyota Research Institute, Inc., Toyota Jidosha Kabushiki KaishaInventors: Alexander Alspach, Naveen Suresh Kuppuswamy, Avinash Uttamchandani, Samson F. Creasey, Russell L. Tedrake, Kunimatsu Hashimoto, Erik C. Sobel, Takuya Ikeda
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Publication number: 20230010445Abstract: A method and system for transmitting an access instruction for accessing a vehicle is provided. The system includes a sensory operable to be installed in association with a seat of the vehicle, and a processor that is configured to receive, from a device that is external to the vehicle, a request for accessing the vehicle, determine, using the sensor, an occupation status of the seat of the vehicle, and transmit an access instruction to the device, wherein the access instruction is based on the occupation status of the seat.Type: ApplicationFiled: July 6, 2021Publication date: January 12, 2023Applicant: TOYOTA RESEARCH INSTITUTE, INC.Inventors: Alexander Alspach, Calder Phillips-Grafflin
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Publication number: 20220410403Abstract: Systems and methods for detecting pose and force against an object are provided. A method includes receiving a signal from a deformable sensor comprising data from a deformation region in a deformable membrane resulting from contact with the object utilizing an internal sensor disposed within an enclosure and having a field of view directed through a medium and toward a bottom surface of the deformable membrane. The method also determines a pose of the object based on the deformation region of the deformable membrane. The method also determines an amount of force applied between the deformable membrane and the object is determined based on the deformation region of the deformable membrane.Type: ApplicationFiled: August 31, 2022Publication date: December 29, 2022Applicant: Toyota Research Institute, Inc.Inventors: Alexander Alspach, Russell L. Tedrake, Kunimatsu Hashimoto, Erik C. Sobel
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Patent number: 11536621Abstract: A system for calibrating a deformable sensor is provided. The system includes a deformable sensor including a housing, a deformable membrane coupled to an upper portion of the housing, and an enclosure defined by the housing and the deformable member; an imaging sensor configured to capture an image of the deformable membrane of the deformable sensor; and a controller. The enclosure is configured to be filled with a medium. The controller is configured to: receive the image of the deformable membrane of the deformable sensor; determine whether a contour of the deformable membrane in the image of the deformable membrane of the deformable sensor corresponds to a predetermined contour; and adjust a volume of the medium in the enclosure of the deformable sensor in response to the determination that the contour of the deformable membrane is different from the predetermined contour.Type: GrantFiled: March 31, 2020Date of Patent: December 27, 2022Assignee: Toyota Research Institute, Inc.Inventors: Alexander Alspach, Naveen Suresh Kuppuswamy, Avinash Uttamchandani
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Publication number: 20220355488Abstract: Systems and methods for calibrating deformable sensors are disclosed. In one embodiment, a method of calibrating a deformable sensor includes capturing image data of the deformable sensor using an external image sensor, wherein the deformable sensor comprises a deformable membrane defining an enclosure that is configured to be filled with a medium. The method further includes comparing the image data of the deformable sensor to a metric. When the image data does not satisfy the metric, the method includes adjusting a pressure within the enclosure.Type: ApplicationFiled: May 6, 2021Publication date: November 10, 2022Applicant: Toyota Research Institute, Inc.Inventors: Alexander Alspach, Naveen Suresh Kuppuswamy
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Publication number: 20220339793Abstract: A deformable sensor is provided. The deformable sensor comprises a deformable member defining an enclosure that is configured to be filled with a medium, a mechanical component disposed within the enclosure, and an optical sensor coupled to the mechanical component positioned with the enclosure. In embodiments, the mechanical component is configured to rotate at least from a first position to a second position, and the optical sensor is configured to capture first portion data associated with a first portion of the deformable member at the first position and second portion data associated with a second portion of the deformable member at the second position.Type: ApplicationFiled: April 23, 2021Publication date: October 27, 2022Applicant: TOYOTA RESEARCH INSTITUTE, INC.Inventors: Naveen Suresh Kuppuswamy, Alexander Alspach
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Patent number: 11472039Abstract: A deformable sensor is provided. The deformable sensor comprises a deformable member defining an enclosure that is configured to be filled with a medium, a mechanical component disposed within the enclosure, and an optical sensor coupled to the mechanical component positioned with the enclosure. In embodiments, the mechanical component is configured to rotate at least from a first position to a second position, and the optical sensor is configured to capture first portion data associated with a first portion of the deformable member at the first position and second portion data associated with a second portion of the deformable member at the second position.Type: GrantFiled: April 23, 2021Date of Patent: October 18, 2022Assignee: TOYOTA RESEARCH INSTITUTE, INC.Inventors: Naveen Suresh Kuppuswamy, Alexander Alspach
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Patent number: 11465296Abstract: Systems and methods for detecting pose and force against an object are provided. A method includes receiving a signal from a deformable sensor comprising data from a deformation region in a deformable membrane resulting from contact with the object utilizing an internal sensor disposed within an enclosure and having a field of view directed through a medium and toward a bottom surface of the deformable membrane. The method also determines a pose of the object based on the deformation region of the deformable membrane. The method also determines an amount of force applied between the deformable membrane and the object is determined based on the deformation region of the deformable membrane.Type: GrantFiled: April 29, 2021Date of Patent: October 11, 2022Assignee: TOYOTA RESEARCH INSTITUTE, INC.Inventors: Alexander Alspach, Russell L. Tedrake, Kunimatsu Hashimoto, Erik C. Sobel
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Publication number: 20220314970Abstract: A method and system for adjusting vehicle operations. Wheel sensors are disposed to detect parameters associated with treads of wheels and parameters associated with road conditions. An electronic control unit receives information from the wheel sensors. The electronic control unit determines a performance metric of the wheels based on the parameters associated with treads. The electronic control unit receives determine adjustments for operation of the vehicle based on the performance metric and the parameters associated with road conditions.Type: ApplicationFiled: April 2, 2021Publication date: October 6, 2022Applicant: Toyota Research Institute, Inc.Inventors: Alexander Alspach, Calder Phillips-Grafflin
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Patent number: 11408788Abstract: Devices, systems, and methods for adjusting the high flex point of a deformable sensor are disclosed herein. A deformable sensor may include an enclosure comprising a housing and a deformable membrane coupled to an upper portion of the housing, where the enclosure is configured to be filled with a medium, a contact mechanism coupled to the housing and selectively adjustable such that adjusting a position of the contact mechanism causes a change in a location of a high flex point of the deformable membrane, and an internal sensor, disposed within the enclosure, having a field of view configured to be directed through the medium and toward a bottom surface of the deformable membrane, where the internal sensor is configured to output a deformation region within the deformable membrane when placed in contact an object.Type: GrantFiled: March 31, 2020Date of Patent: August 9, 2022Assignee: TOYOTA RESEARCH INSTITUTE, INC.Inventors: Alexander Alspach, Naveen Suresh Kuppuswamy, Avinash Uttamchandani
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Publication number: 20220234212Abstract: Input devices having a deformable membrane and methods of their use are disclosed. In one embodiment, an input device includes a body, a deformable membrane coupled to the body such that the body and the deformable membrane define an enclosure filled with a medium, and an internal sensor disposed within the enclosure, the internal sensor having a field of view configured to be directed through the medium and toward a bottom surface of the deformable membrane. The input device further includes a controller configured to receive an output signal from the internal sensor corresponding to a deformation in the deformable membrane, determine a gesture based on the output signal from the internal, and provide a gesture signal corresponding to the gesture.Type: ApplicationFiled: January 27, 2021Publication date: July 28, 2022Applicant: Toyota Research Institute, Inc.Inventors: Abhijeet Agnihotri, Naveen Suresh Kuppuswamy, Alexander Alspach, Katherine Tsui
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Patent number: 11389968Abstract: Systems and methods for determining a pose of an object held by a flexible end effector of a robot are disclosed. A method of determining a pose of the object includes receiving tactile data from tactile sensors, receiving curvature data from curvature sensors, determining a plurality of segments of the flexible end effector from the curvature data, assigning a frame to each segment, determining a location of each point of contact between the object and the flexible end effector from the tactile data, calculating a set of relative transformations and determining a location of each point relative to one of the frames, generating continuous data from the determined location of each point, and providing the continuous data to a pose determination algorithm that uses the continuous data to determine the pose of the object.Type: GrantFiled: October 2, 2019Date of Patent: July 19, 2022Assignee: TOYOTA RESEARCH INSTITUTE, INC.Inventors: Naveen Suresh Kuppuswamy, Alexander Alspach
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Publication number: 20220024048Abstract: A deformable sensor comprises an enclosure comprising a deformable membrane, the enclosure configured to be filled with a medium, and an imaging sensor, disposed within the enclosure, having a field of view configured to be directed toward a bottom surface of the deformable membrane. The imaging sensor is configured to capture an image of the deformable membrane. The deformable sensor is configured to determine depth values for a plurality of points on the deformable membrane based on the image captured by the imaging sensor and a trained neural network.Type: ApplicationFiled: January 13, 2021Publication date: January 27, 2022Applicant: Toyota Research Institute, Inc.Inventors: Rares A. Ambrus, Vitor Guizilini, Naveen Suresh Kuppuswamy, Andrew M. Beaulieu, Adrien D. Gaidon, Alexander Alspach
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Patent number: 11185994Abstract: A deformable sensor for detecting a pose and force associated with an object is provided. The deformable sensor includes a housing, a deformable membrane coupled to an upper portion of the housing, an enclosure defined by the housing and the deformable membrane and configured to be filled with a medium, a time-of-flight receiver positioned within the enclosure and a plurality of time-of-flight emitters arranged around the time-of-flight receiver within the enclosure. The plurality of time-of-flight emitters are configured to emit signals toward the deformable membrane at different times. The time-of-flight receiver is configured to receive signals reflected from the deformable membrane.Type: GrantFiled: March 31, 2020Date of Patent: November 30, 2021Assignee: TOYOTA RESEARCH INSTITUTE, INC.Inventors: Alexander Alspach, Naveen Suresh Kuppuswamy, Avinash Uttamchandani