# US 2021/0241599 A1 · Computer-implemented methods and system for monitoring personnel activity using non-motion sensors > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0241599 A1 - Document ID: US20210241599A1 - Status: Published application - Kind: A1 - Application number: 16/777,299 - Filed: 2020-01-30 - Published: 2021-08-05 - Earliest claimed: 2020-01-30 - Assignees: The Boeing Company - Applicants: The Boeing Company - Inventors: John William Glatfelter; Jeff Alan Heisserman - Web page: https://patentgrep.com/patent/US20210241599A1 ## CPC - G08B 21/22: responsive to presence or absence of persons - G08B 21/02: Alarms for ensuring the safety of persons - G08B 21/182: {Level alarms, e.g. alarms responsive to variables exceeding a threshold} - G08B 25/016: {Personal emergency signalling and security systems (emergency non-personal manually actuated alarm activators G08B25/12)} - H04W 4/021: Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences - H04W 4/029: Location-based management or tracking services - H04W 4/90: Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS] - G08B: SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A computer implemented method for monitoring personnel activity in a work environment includes receiving motion sensor data generated by a motion sensing device that is carried on or by a worker, determining a location of the motion sensing device, detecting a lack of expected movement of the motion sensing device, and generating an alert based on the location of the motion sensing device and the detected lack of expected movement of the motion sensing device. Related systems and computer program products are disclosed. ## Claims ### Claim 1 A computer implemented method for monitoring personnel activity in a work environment, comprising: receiving motion sensor data generated by a motion sensing device that is carried on or by a worker; determining a location of the motion sensing device; detecting a lack of expected movement of the motion sensing device; and generating an alert based on the location of the motion sensing device and the detected lack of expected movement of the motion sensing device, wherein a level of the alert is based on the location of the motion sensing device. ### Claim 2 (depends on 1) The method of claim 1, wherein detecting the lack of expected movement of the motion sensing device comprises determining, from the motion sensor data, that movement of the motion sensing device has dropped below a threshold level for a predetermined period of time. ### Claim 3 (canceled) ### Claim 4 (depends on 1) The method of claim 1, further comprising: determining a geographic zone in which the motion sensing device is located; and obtaining a threat level associated with the geographic zone in which the motion sensing device is located; wherein the level of the alert is based on the threat level associated with the geographic zone in which the motion sensing device is located. ### Claim 5 (depends on 4) The method of claim 4, wherein obtaining the threat level associated with the geographic zone comprises obtaining the threat level from a library of geographic zones that contains expected motion profiles associated with the geographic zones, the method further comprising: comparing movement of the motion sensing device with an expected motion profile associated with the geographic zone to determine lack of expected movement of the motion sensing device. ### Claim 6 (depends on 1) The method of claim 1, wherein the motion sensor data comprises first motion sensor data, the method further comprising: receiving second motion sensor data generated by a second motion sensing device that is carried on or by the worker; and comparing the second motion sensor data with the first motion sensor data; wherein the alert is generated based on the first motion sensor data and the second motion sensor data. ### Claim 7 (depends on 1) The method of claim 1, wherein receiving the motion sensing data comprises receiving the motion sensing data from an accelerometer and/or a satellite positioning device. ### Claim 8 (depends on 1) The method of claim 1, wherein receiving the motion sensing data comprises receiving an indication of lack of expected movement of the motion sensing device. ### Claim 9 (depends on 1) The method of claim 1, further comprising: receiving non-motion sensor data generated by a non-motion sensing device that is carried on or by the worker; wherein the alert is generated in response to the non-motion sensor data in combination with the motion sensor data and the location of the motion sensing device. ### Claim 10 (depends on 9) The method of claim 9, wherein receiving the non-motion sensor data comprises receiving at least one of chemical sensor data, vibration sensor data, temperature sensor data, barometric pressure sensor data, audio sensor data, and toxin sensor data. ### Claim 11 (depends on 1) The method of claim 1, further comprising: obtaining position history information of the motion sensing device; wherein the alert is generated in response to the position history information in combination with the motion sensor data and the location of the motion sensing device. ### Claim 12 (depends on 1) The method of claim 1, further comprising: transmitting an alarm to an electronic device carried on or by the worker in response to the location of the motion sensing device and the detected lack of movement of the motion sensing device. ### Claim 13 (depends on 1) The method of claim 1, further comprising: validating the alert based on aggregating sensor data from a plurality of sensors including the motion sensing device; and initiating a responsive action based on validating the alert. ### Claim 14 (depends on 1) The method of claim 1, further comprising applying a set of non-motion rules to the detected lack of motion, wherein the alert is generated based on the set of non-motion rules. ### Claim 15 (depends on 1) The method of claim 1, further comprising generating the alert based on application of a neural network having as inputs the detected lack of motion of the motion sensing device and the location of the motion sensing device. ### Claim 16 (depends on 1) The method of claim 1, further comprising: generating a first alert; and if no response is received to the first alert, generating a second alert after a first period of time, wherein the second alert has a higher priority level than the second alert. ### Claim 17 A system for monitoring personnel activity in a work environment, comprising: a processing circuit; and a memory circuit coupled to the processing circuit, wherein the memory circuit comprises computer-readable program instructions that, when executed by the processing circuit, cause the system to perform operations of: receiving motion sensor data generated by a motion sensing device that is carried on or by a worker; receiving non-motion sensor data generated by a non-motion sensing device that is carried on or by the worker; detecting a lack of expected movement of the motion sensing device; determining a location of the motion sensing device; and generating an alert based on the location of the motion sensing device and the detected lack of expected movement of the motion sensing device, wherein the alert is generated in response to the non-motion sensor data in combination with the motion sensor data and the location of the motion sensing device. ### Claim 18 (depends on 17) The system of claim 17, wherein detecting the lack of expected movement of the motion sensing device comprises determining, from the motion sensor data, that movement of the motion sensing device has dropped below a threshold level for a predetermined period of time. ### Claim 19 (depends on 17) The system of claim 17, wherein a level of the alert is based on the location of the motion sensing device. ### Claim 20 A computer program product for monitoring personnel activity in a work environment, the computer program product comprising: a non-transitory computer readable storage medium having computer readable program code embodied in the medium, the computer readable program code comprising: computer readable program code configured to receive motion sensor data generated by a motion sensing device that is carried on or by a worker; computer readable program code configured to detect a lack of expected movement of the motion sensing device; computer readable program code configured to apply a set of non-motion rules to the detected lack of expected movement; computer readable program code configured to determine a location of the motion sensing device; and computer readable program code configured to generate an alert based on the location of the motion sensing device, the detected lack of expected movement of the motion sensing device, and the applied set of non-motion rules. ### Claim 21 (depends on 17) The system of claim 17, wherein receiving the non-motion sensor data comprises receiving at least one of chemical sensor data, vibration sensor data, temperature sensor data, barometric pressure sensor data, audio sensor data, and toxin sensor data.