# US 2021/0240948 A1 · Method and system for identifying sensors on machines > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0240948 A1 - Document ID: US20210240948A1 - Status: Published application - Kind: A1 - Application number: 16/778,430 - Filed: 2020-01-31 - Published: 2021-08-05 - Earliest claimed: 2020-01-31 - Assignees: Caterpillar Inc. - Applicants: Caterpiiar Inc. - Inventors: Sandeep John Verghese; Nicholas Dodge - Web page: https://patentgrep.com/patent/US20210240948A1 ## CPC - E02F 9/264: {Sensors and their calibration for indicating the position of the work tool} - G06K 7/10099: {the directional field being used for pinpointing the location of the record carrier, e.g. for finding or locating an RFID tag amongst a plurality of RFID tags, each RFID tag being associated with an object, e.g. for physically locating the RFID tagged object in a warehouse} - G06K 19/0716: {at least one of the integrated circuit chips comprising a sensor or an interface to a sensor} - H04W 4/38: for collecting sensor information - E02F: DREDGING; SOIL-SHIFTING (winning peat E21C49/00) - G06K: GRAPHICAL DATA READING (image or video recognition or understanding G06V); PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A method for identifying a sensor among as plurality of identical sensors on a machine is disclosed. The method includes comparing, by a controller, a unique value of a parameter detected by the sensor with a predefined value of the parameter. The unique value of the parameter is detected in a predefined stationary state of at least one part of a plurality of parts of the machine. The method further includes associating, by the controller, the unique value of the parameter detected by the sensor with the at least one part when the unique value of the parameter matches with the predefined value of the parameter. The predefined value of the parameter corresponds to a value of the parameter attained by the at least one part in the predefined stationary state of the at least one part. ## Claims ### Claim 1 A method for identifying a sensor among a plurality of identical sensors on a machine, the method comprising: comparing, by a controller, a unique value of a parameter detected by the sensor with a predefined value of the parameter, the unique value of the parameter being detected in a predefined stationary state of at least one part of a plurality of parts of the machine; and associating, by the controller, the unique value of the parameter detected by the sensor with the at least one part when the unique value of the parameter matches with the predefined value of the parameter, wherein the predefined value of the parameter corresponds to a value of the parameter attained by the at least one part in the predefined stationary state of the at least one part, the predefined value of the parameter being a range of orientation angle. ### Claim 2 (depends on 1) The method of claim 1, further includes: moving, by the controller, the at least one part to the predefined stationary state; and receiving, by the controller, the unique value of the parameter from the sensor in the predefined stationary state of the at least one part. ### Claim 3 (depends on 2) The method of claim 2, further includes: determining, by the controller, the at least one part to have attained the predefined stationary state based on one or more operational parameters of an actuation system associated with moving the at least one part to the predefined stationary state. ### Claim 4 (depends on 3) The method of claim 3, wherein the actuation system includes a fluid actuation system and the one or more operational parameters includes a flow of fluid within a circuit associated with the fluid actuation system. ### Claim 5 (depends on 1) The method of claim 1, wherein the at least one part of the plurality of parts is movable to exude a unique orientation relative to a reference. ### Claim 6 (depends on 1) The method of claim 1, wherein associating the unique value of the parameter detected by the sensor with the at least one part of the plurality of parts of the machine includes: identifying, by the controller, a position of the sensor on the machine based on the match; and assigning, by the controller, a unique identifier to the sensor to identify the sensor. ### Claim 7 (depends on 1) The method of claim 1, wherein the sensor includes an orientation sensor and the parameter includes an orientation of the at least one part with respect to a reference. ### Claim 8 A system for identifying a sensor among a plurality of identical sensors on a machine, the system comprising: a controller configured to: compare a unique value of a parameter detected by the sensor with a predefined value of the parameter, the unique value of the parameter being detected in a predefined stationary state of at least one part of a plurality of parts of the machine; and associate the unique value of the parameter detected by the sensor with the at least one part when the unique value of the parameter matches with the predefined value of the parameter, wherein the predefined value of the parameter corresponds to a value of the parameter attained by the at least one part in the predefined stationary state of the at least one part, the predefined value of the parameter being a range of orientation angle. ### Claim 9 (depends on 8) The system of claim 8, wherein the controller is further configured to: move the at least one part to the predefined stationary state; and receive the unique value of the parameter from the sensor in the predefined stationary state of the at least one part. ### Claim 10 (depends on 9) The system of claim 9, wherein the controller is further configured to: determine the at least one part to have attained the predefined stationary state based on one or more operational parameters of an actuation system associated with moving the at least one part to the predefined stationary state. ### Claim 11 (depends on 10) The system of claim 10, wherein the actuation system includes a fluid actuation system and the one or more operational parameters includes a flow of fluid within a circuit associated with the fluid actuation system. ### Claim 12 (depends on 8) The system of claim 8, wherein the at least one part of the plurality of parts is movable to exude a unique orientation relative to a reference. ### Claim 13 (depends on 8) The system of claim 8, wherein the controller is configured to associate the unique value of the parameter detected by the sensor with the at least one part of the plurality of parts of the machine by: identifying a position of the sensor on the machine based on the match; and assigning a unique identifier to the sensor to identify the sensor. ### Claim 14 (depends on 8) The system of claim 8, wherein the sensor includes an orientation sensor and the parameter includes an orientation of the at least one part with respect to a reference. ### Claim 15 (depends on 8) The system of claim 8, wherein the sensor is positioned on the at least one part. ### Claim 16 A machine comprising: a plurality of parts; a plurality of identical sensors positioned on the plurality of parts; and a system for identifying a sensor among the plurality of identical sensors, the system including: a controller configured to: compare a unique value of a parameter detected by the sensor with a predefined value of the parameter, the unique value of the parameter being detected in a predefined stationary state of at least one part of the plurality of parts of the machine; and associate the unique value of the parameter detected by the sensor with the at least one part when the unique value of the parameter matches with the predefined value of the parameter, wherein the predefined value of the parameter corresponds to a value of the parameter attained by the at least one part in the predefined stationary state of the at least one part, the predefined value of the parameter being a range of orientation angle. ### Claim 17 (depends on 16) The machine of claim 16, wherein the at least one part of the plurality of parts is movable to exude a unique orientation relative to a reference. ### Claim 18 (depends on 16) The machine of claim 16, wherein the controller is further configured to: move the at least one part to the predefined stationary state; and receive the unique value of the parameter from the sensor in the predefined stationary state of the at least one part. ### Claim 19 (depends on 16) The machine of claim 16, wherein the controller is configured to associate the unique value of the parameter detected by the sensor with the at least one part of the plurality of parts by: identifying a position of the sensor on the machine based on the match; and assigning a unique identifier to the sensor to identify the sensor. ### Claim 20 (depends on 16) The machine of claim 16, wherein the sensor includes an orientation sensor and the parameter includes an orientation of the at least one part with respect to a reference.