Abstract: Provided is an autonomous lawn mowing system having improved safety. An autonomous lawn mowing system 1 is provided with: a position-information acquisition unit 14 that acquires position information concerning the position of an autonomous lawn mower 2 that is capable of travelling by itself; a moisture-information acquisition unit 15 that acquires moisture information concerning the moisture content of turf; a wet-ground identification unit 31 that identifies a wet region on the basis of the position information and the moisture information; and a control module 34 that controls the autonomous lawn mower 2 on the basis of the result identified by the wet-ground identification unit 31.

Abstract: A molten metal component estimation device including: an input device configured to receive measurement information about a refining facility including measurement results regarding an optical characteristic; a model database that stores model expressions and model parameters, regarding a blowing process reaction, including a model expression and model parameters representing a relation between the oxygen efficiency in decarburization and a carbon concentration in a molten metal in the refining facility; and a processor configured to: estimate component concentrations of the molten metal including the carbon concentration in the molten metal by using the measurement information, the model expressions and the model parameters; estimate the carbon concentration in the molten metal based on the measurement results; and determine the model expression and the model parameters to be used when estimating the component concentrations of the molten metal, based on the estimation result of the carbon concentration in t

Abstract: An eddy current sensor assembly includes an eddy current sensor and an output signal processing circuit that processes an output signal from the eddy current sensor. The output signal processing circuit includes a mixer circuit that accepts the output signal and a signal of the predetermined frequency as input, multiplies the two signals received as input, and outputs an output signal obtained by the multiplication, and a low-pass filter that accepts the output signal output by the mixer circuit as input, cuts a high-frequency signal included in the output signal received as input, and outputs at least a direct-current (DC) signal.

Abstract: An inspection device includes a reader including a light source and a light receiving element, a white reference section, a memory storing reference data of a white pixel value, and a controller. The controller is configured to cause the light source to emit light toward the white reference section, and receive a pixel signal output from the reader when the light receiving element receives reflected light from the white reference section, determine a rate of decrease in a pixel value relative to the reference data, based on the received pixel signal, when the rate of decrease is equal to or higher than a first threshold, output an instruction signal concerning an instruction to clean the reader, re-determine the rate of decrease in response to receiving input of a completion signal concerning completion of cleaning of the reader, and update the reference data using the re-determined rate of decrease.

Abstract: A print device that includes a supply portion, a print portion, a conveyance portion, a notification portion, a processor, a reading portion, and a memory. The memory stores computer-readable instructions that, when executed by the processor, instruct the processor to perform processes including acquisition processing of acquiring judgment image data that does not satisfy a predetermined standard used to judge a print quality of a barcode, print processing of controlling the print portion to print a judgment image on a medium, judgment processing of judging whether read judgment image data output by the reading portion as a result of reading the judgment image satisfies the predetermined standard, and notification processing of controlling the notification portion to notify an error, when, in the judgment processing, it is judged that the read judgment image data satisfies the predetermined standard.

Abstract: An autonomous work machine that works on a target object in a work area while performing an autonomous travel operation in the work area, comprises an obtainment unit configured to obtain a distribution the target object of the work, a determination unit configured to determine a turn direction of the autonomous work machine in accordance with the distribution of the target object, and a control unit configured to control the autonomous work machine so that the autonomous work machine will turn in the turn direction at a turn timing during the autonomous travel operation.

Abstract: A control device includes a control unit configured to acquire individual information indicating a state of a predetermined member of a work machine configured to execute work using the predetermined member, and instruct a state adjustment mechanism configured to adjust the state to adjust the state so that a difference between the state indicated by the individual information and a reference value of the state common to other work machines is reduced.

Abstract: A mower includes: a cutting part which is able to cut grass; a machine body which includes the cutting part and a cover configured to cover the cutting part from above; and a state control part which controls a state of at least one of the cutting part and the cover such that at least one of grass in a space provided between the cutting part and the cover and grass outside the cover is able to be cut in the cutting part in a case where a predetermined condition is satisfied.

Abstract: An autonomous work system includes a first work machine, a plurality of second work machines having different functions, a setting device that stores work schedule information indicating work schedule content, performance of the first work machine, and performance of the plurality of second work machines, and a terminal. The first work machine acquires a state of work performed by its own device and transmits detection result information indicating the acquired state of work to the setting device. The setting device discriminates whether additional work is required based on the detection result information and the work schedule information, and in a case where the additional work is required, selects the second work machine, and transmits additional work information including work content for the second work machine and information relating to the second work machine to at least one of the terminal and the second work machine.

Abstract: An autonomous work machine that includes a camera configured to capture an image of an external world, comprises a determination unit configured to determine, based on an image captured by the camera, whether backlighting has occurred, and a control unit configured to control, in a case in which the determination unit has determined that the backlighting has occurred, the autonomous work machine so as to avoid the backlighting.

Abstract: A control device capable of improving the position accuracy of map data is disclosed. The control device is configured to acquire information which is output from a working machine which includes a working part and works along a boundary between a working area and a non-working area. The control device includes an operating state acquisition part configured to acquire information indicating an operating state of a machine body of the working machine; a judgment part configured to determine the operating state of the machine body, based on information acquired by the operating state acquisition part; a position information acquisition part configured to acquire position information indicating a position of the machine body; and a storage control part configured to store the position information acquired by the position information acquisition part in the storage, based on a determination result of the judgment part.

Abstract: A work system comprising a first autonomous work machine and a second autonomous work machine, wherein the first autonomous work machine includes: a detection unit configured to detect dirt on the second autonomous work machine; and a notification unit configured to, if the detection unit detects dirt, notify the second autonomous work machine of dirt information indicating the detection of the dirt, and the second autonomous work machine removes the dirt or waits in a predetermined position in response to the notification of the dirt information by the notification unit.

Abstract: A snow removal system includes a work machine and a snow removal machine. The work machine includes a work unit configured to perform work and a position detector configured to detect a position of the work machine when the work unit has performed the work and generate position information indicating the detected position. The snow removal machine is capable of autonomous movement and includes a snow removal unit configured to perform snow removal work and a controller configured to cause the snow removal unit to perform the snow removal work on the basis of the position information.

Abstract: An operation management device according to one aspect of the present invention includes: an operation completion data acquisition unit which acquires first operation completion data indicating that a first operation related to maintenance of a grass field has been completed; and an operation implementation data output unit which outputs, when the first operation completion data is acquired, operation implementation data which prompts implementation of a second operation that is an operation related to the maintenance of a grass field and is different from the first operation.

Abstract: A cleaning system includes a mower that executes a mowing work while traveling autonomously, and a cleaning station that cleans the mower. The cleaning system includes: an acquirer that acquires dirt information relating to a state of dirt of the mower; a determiner that determines at least one of a necessity of cleaning the mower and a method of cleaning the mower, based on the dirt information; and a first cleaning executor that executes a cleaning operation, according to a determination result of the determiner.

Abstract: An inspection device includes a reader including a light source and a light receiving element, a white reference section, a memory storing reference data of a white pixel value, and a controller. The controller is configured to cause the light source to emit light toward the white reference section, and receive a pixel signal output from the reader when the light receiving element receives reflected light from the white reference section, determine a rate of decrease in a pixel value relative to the reference data, based on the received pixel signal, when the rate of decrease is equal to or higher than a first threshold, output an instruction signal concerning an instruction to clean the reader, re-determine the rate of decrease in response to receiving input of a completion signal concerning completion of cleaning of the reader, and update the reference data using the re-determined rate of decrease.

Abstract: A print device that includes a supply portion, a print portion, a conveyance portion, a notification portion, a processor, a reading portion, and a memory. The memory stores computer-readable instructions that, when executed by the processor, instruct the processor to perform processes including acquisition processing of acquiring judgment image data that does not satisfy a predetermined standard used to judge a print quality of a barcode, print processing of controlling the print portion to print a judgment image on a medium, judgment processing of judging whether read judgment image data output by the reading portion as a result of reading the judgment image satisfies the predetermined standard, and notification processing of controlling the notification portion to notify an error, when, in the judgment processing, it is judged that the read judgment image data satisfies the predetermined standard.

Abstract: A self-propelled work machine that conducts work in a work area, comprising an imaging unit for capturing an image of a surrounding environment and a processing unit, wherein the processing unit performs a first process of detecting a predetermined object based on an imaging result, a second process of determining a degree of a backlight state in the imaging result, and a third process of conducting travel control of the work machine for any of making a turn, stopping, and moving backward in front of the detected object, and in a case where it is determined in the second process that the imaging result is in the backlight state, the processing unit sets a distance from the detected object when conducting the travel control in the third process to the work machine to be larger.

Abstract: An autonomous work machine that works in a work area, the autonomous work machine comprising: a storage unit that stores past captured images including one or more markers arranged to define the work area; a specifying unit that specifies a past captured image stored in the storage unit and similar to a current captured image captured by an image capturing unit; and a control unit that controls the autonomous work machine based on the past captured image specified by the specifying unit.

Abstract: An autonomous work machine that works in a work area, comprising: a detection unit that detects a plurality of markers arranged to define the work area; a specifying unit that specifies marker information based on a detection result of the detection unit; a setting unit that sets a virtual line connecting the plurality of markers based on the marker information specified by the specifying unit; and a control unit that controls the autonomous work machine such that the autonomous work machine does not deviate to a region beyond the virtual line set by the setting unit.