# US 11,307,592 B2 · Management system of work site and management method of work site > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,307,592 B2 - Document ID: US11307592B2 - Status: Granted - Kind: B2 - Application number: 16/613,488 - Filed: 2018-11-19 - Published: 2021-05-27 - Granted: 2022-04-19 - Earliest claimed: 2017-12-27 - Assignees: Komatsu Ltd. - Applicants: Komatsu Ltd. - Inventors: Tsugio Sudou - Web page: https://patentgrep.com/patent/US11307592B2 ## CPC - G05D 1/0214: {in accordance with safety or protection criteria, e.g. avoiding hazardous areas (monitoring the location of vehicles within a certain area, e.g. forbidden or allowed areas, in traffic control systems for road vehicles G08G1/13)} - F02D 29/02: peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers - F02N 11/08: Circuits specially adapted for starting of engines - G01C 21/34: Route searching; Route guidance - G05D 1/0088: {characterized by the autonomous decision making process, e.g. artificial intelligence, predefined behaviours (using knowledge based models G06N5/00)} - G05D 1/0297: {by controlling means in a control room} - G06Q 10/047: Optimisation of routes or paths, e.g. travelling salesman problem - G06Q 10/06315: {Needs-based resource requirements planning or analysis} - G07C 5/0816: {Indicating performance data, e.g. occurrence of a malfunction} - G06Q 50/02: Agriculture; Fishing; Forestry; Mining - G07C 5/008: {communicating information to a remotely located station (transmission systems for measured values G08C)} - G05D: SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES - F02D: CONTROLLING COMBUSTION ENGINES (vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed B60K31/00; conjoint control of vehicle sub-units of different type or different function, road vehicle drive control systems for purposes other than the control of a single sub-unit B60W) - F02N: STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR - G01C: MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY (measuring liquid level G01F; radio navigation, determining distance or velocity by use of propagation effects, e.g. Doppler effects, propagation time, of radio waves, analogous arrangements using other waves G01S) - G06Q: INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR - G07C: TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE ## Abstract A management system of a work site includes a guidance unit which outputs, to a manned vehicle of a work site, guidance data for guiding the manned vehicle to an unmanned vehicle stopped due to occurrence of an abnormality at the work site. ## Claims ### Claim 1 A management system of a work site comprising: a guidance unit which outputs, to a manned vehicle of a work site, among a plurality of manned vehicles, guidance data for guiding the manned vehicle to an unmanned vehicle stopped due to occurrence of an abnormality at the work site, the guidance unit being included in a control device which includes a processor, a memory, a storage and an interface, a position data acquisition unit which acquires position data of the manned vehicle, the position data acquisition unit being included in the control device which includes the processor, the memory, the storage and the interface, and a selection unit which selects a specific manned vehicle from the plurality of manned vehicles on the basis of the position data of the unmanned vehicle and the respective position data of the plurality of manned vehicles, the selection unit being included in the control device which includes the processor, the memory, the storage and the interface, wherein the guidance unit outputs the guidance data to an output device provided in the manned vehicle, wherein the guidance data includes position data of the stopped unmanned vehicle, wherein the guidance data includes optimum route data indicating an optimum route from the manned vehicle to the unmanned vehicle calculated on a basis of the position data of the unmanned vehicle and position data of the manned vehicle, and wherein the guidance unit outputs the position data of the unmanned vehicle to the specific manned vehicle selected by the selection unit. ### Claim 2 (depends on 1) The management system of the work site according to claim 1, wherein the optimum route is a travel route in which time required for the manned vehicle to reach the unmanned vehicle is the shortest among a plurality of travel routes connecting the manned vehicle and the unmanned vehicle. ### Claim 3 (depends on 1) The management system of the work site according to claim 1, wherein the specific manned vehicle is a manned vehicle with the shortest distance to the unmanned vehicle among the plurality of manned vehicles. ### Claim 4 (depends on 1) The management system of the work site according to claim 1, wherein the guidance unit outputs request data to the manned vehicle, and the selection unit acquires, from the manned vehicle, consent data or refusal data with respect to the request data. ### Claim 5 (depends on 1) The management system of the work site according to claim 1, further comprising: a restart command unit which outputs a restart command to restart the unmanned vehicle on a basis of situation data of the unmanned vehicle, the restart command unit being included in the control device which includes the processor, the memory, the storage and the interface. ### Claim 6 A management method of a work site comprising: outputting, to a manned vehicle of a work site, among a plurality of manned vehicles, guidance data for guiding the manned vehicle to an unmanned vehicle stopped due to occurrence of an abnormality at the work site acquiring position data of the manned vehicle, and selecting a specific manned vehicle from the plurality of manned vehicles on the basis of the position data of the unmanned vehicle and the respective position data of the plurality of manned vehicles, wherein the guidance data is output to an output device provided in the manned vehicle, wherein the guidance data includes position data of the stopped unmanned vehicle, wherein the guidance data includes optimum route data indicating an optimum route from the manned vehicle to the unmanned vehicle calculated on a basis of the position data of the unmanned vehicle and position data of the manned vehicle, and wherein the position data of the unmanned vehicle is output to the specific manned vehicle selected.