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US 12,535,369 B2Granted
Tactile sensor comprised of printable lattice and molded compliant conductors
AssigneesToyota Research Institute, Inc., Toyota Jidosha Kabushiki Kaisha
InventorsAndrew M. Beaulieu, Jose Barreiros, Sean Taylor
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Abstract
A sensor includes a base structure with a plurality of ports extending into the base structure, a plurality of cells within the base structure and fluidly coupled to the plurality of ports, and an electrically conductive material disposed within the cells. The sensor device also includes a sensorized lattice structure disposed on the base structure and an electrically conductive layer disposed on top of the sensorized lattice structure.
Claims19
A sensor device comprising:
- a base structure comprising:
- a plurality of ports extending into the base structure,
- a plurality of cells within the base structure and fluidly coupled to the plurality of ports, and
- an electrically conductive material disposed within the cells;
- a sensorized lattice structure disposed on the base structure;
- and
- an electrically conductive layer disposed on top of the sensorized lattice structure, wherein an air gap between the individual cells of the base structure and the top plate create an array of capacitors.
4 more elements
A sensor device comprising:
- a base structure comprising:
- a plurality of ports extending into the base structure,
- a plurality of cells within the base structure and fluidly coupled to the plurality of ports, and
- an electrically conductive material disposed within the cells;
- a sensorized lattice structure disposed on the base structure;
- an electrically conductive layer disposed on top of the sensorized lattice structure, wherein an array of resistors is formed between the electrically conductive material disposed within the cells and the electrically conductive layer through the sensorized lattice structure;
- and
- a processor configured to analyze a contact region in the base structure and lattice structure as a result of contact with an object to provide feedback to a robot regarding contact with the object.
5 more elements
A method of sensorizing a flexible structure comprising:
- injecting electrically conductive material into a plurality of ports of a base structure and into a plurality of individual cells;
- disposing a lattice structure on top of the base structure;
- providing an electrically conductive top plate to the top of the lattice structure, wherein an air gap between the individual cells of the base structure and the top plate create an array of capacitors;
- and
- providing tactile feedback to a robot corresponding to a quality of a grip on an object by measuring capacitance between each individual cell and the top plate.
2 more elements
Dependencies are inferred from the claim text.