Abstract: A wheel state obtaining system configured to obtain a wheel state that is a state of at least one of a plurality of wheels of a vehicle includes: a wheel speed detection device configured to detect a wheel speed of each of the plurality of wheels; a traveling state detection device configured to detect a traveling state of the vehicle; and a controller. When the traveling state of the vehicle detected by the traveling state detection device is a predetermined set state, the controller obtains a wheel speed difference of two of the plurality of wheels based on the wheel speeds of the plurality of wheels detected by the wheel speed detection device. The controller determines whether at least one of the two wheels is in an abnormal state based on the wheel speed difference.

Abstract: A deterioration diagnosis device according to the present invention includes: a memory; and at least one processor coupled to the memory. The processor performs operations. The operations include: storing a history of deterioration degree in a portion to be diagnosed in a structure; calculating a deterioration speed of the portion based on the history; acquiring reference information to be used to calculate an inspection frequency; calculating an inspection frequency for the portion based on the reference information and the deterioration speed; and outputting the calculated frequency.

Abstract: An effect determination system according to the present invention includes: a memory configured to store instructions; and one or more processors configured to execute the instructions to: acquire a predicted displacement of a structure after an event, the predicted displacement being a displacement of the structure on a ground surface and having been predicted based on a pre-event displacement acquired before the event related to a ground of the structure; acquire a post-event displacement of the structure based on an observation result of the ground surface observed after the event; and determine an effect of the event on the structure based on the predicted displacement and the post-event displacement.

Abstract: An impact determination system according to the present invention includes: a memory configured to store instructions; and one or more processors configured to execute the instructions to: acquire a predicted surface layer state of a structure after an event, the predicted surface layer state being sensor information related to a surface of the structure on a ground surface and having been predicted based on pre-event sensor information measured before the event related to a ground of the structure; acquire post-event sensor information measured after the event; determine a post-event surface layer state of the structure based on the post-event sensor information; and determine an impact of the event on the structure based on the predicted surface layer state and the post-event surface layer state.

Abstract: In the present invention, reports on dangerous driving from a resident or the like are efficiently managed in driving situation management. A report information storage unit 104 stores report information in which details of a report indicating a dangerous driving situation are associated with position information that includes a dangerous driving occurrence range candidate indicating an approximate range regarding the position of occurrence of the dangerous driving situation and/or a dangerous driving occurrence range indicating a range where the dangerous driving occurrence range candidate has been identified. A search processing unit 101 searches the report information storage unit 104 for the report information in which position information is included in a search range to be searched. A display processing unit 103 outputs a search result.

Abstract: An information processing system according to the present invention includes: a memory configured to store instructions; and one or more processors configured to execute the instructions to: acquire a displacement of a structure on a ground; acquire sensor information related to a surface of the structure; determine a surface layer state of the structure based on the sensor information; and output the displacement and the surface layer state for each section in the structure.

Abstract: An information processing system, comprising: a memory configured to store instructions; and one or more processors configured to execute the instructions to: acquire a displacement of a structure on a ground; acquire sensor information related to a surface of the structure; determine a surface layer state of the structure based on the sensor information; and output the displacement in an entire or partial region of the structure and the surface layer state in the entire or partial region of the structure.

Abstract: A deterioration estimation system according to an aspect of the present disclosure includes: a memory configured to store instructions; and at least one processor configured to execute the instructions to: detect road surface deterioration from a first road surface image; determine, in the first road surface image, a first region where deterioration is detectable and a second region where deterioration is difficult to detect; calculate a degree of deterioration of the first region based on a detection result from the first road surface image; estimate a degree of deterioration of the second region based on a degree of deterioration in road surface deterioration detected from a second road surface image imaged before the first road surface image; and calculate a degree of deterioration of the road surface based on the calculated degree of deterioration of the first region and the estimated degree of deterioration of the second region.

Abstract: This risk evaluation method comprises a sensor information acquisition means that acquires sensor information for a structure from a sensor information acquisition device, a stratum information acquisition means that acquires stratum information for the ground under the structure, a risk evaluation means that evaluates risks to the structure on the basis of the sensor information and the stratum information, and an output means that outputs the evaluated risks to the structure.

Abstract: After the air pressure of the tire of the vehicle has decreased to a predetermined abnormal value, the system management server determines that the vehicle has returned to a normal value without performing a tire replacement operation or a tire repair operation (for example, there is a driver that continuously drives the vehicle by replenishing air without performing a tire replacement even if the tire is punctured), and transmits abnormality notification information to the administrator terminal device. Thus, the warning information is provided to the current driver of the vehicle by the operation of the administrator terminal device by the administrator.

Abstract: A road deterioration diagnosing device includes a deterioration detection unit, a road surface condition detection unit, and a reliability determination unit. The deterioration detection unit detects road deterioration based on an image and/or acceleration acquired by a moving body. The road surface condition detection unit detects, based on a sound acquired together with the image and/or acceleration used for detecting the road deterioration, a road surface condition at the time of acquiring the sound. The reliability determination unit acquires the reliability of the detection result of the road deterioration based on the road surface condition detected.

Abstract: A management assistance system according to an aspect of the present disclosure includes: at least one memory configured to store instructions; and at least one processor configured to execute the instructions to: detect a road surface mark and a degree of abrasion of the road surface mark from a road surface image taken of a road surface; determine, based on the degree of abrasion of the road surface mark, whether the road surface mark is to be repainted; and calculate, based on the road surface mark determined to be repainted, an amount of paint to be used for repainting the road surface mark.

Abstract: This state determination device comprises: a ground surface information acquisition means that acquires ground surface displacement using a measurement image acquired from a ground surface measurement device; a region setting means for setting, on the basis of ground surface displacement, the quantity of sensor information processed for each prescribed region, the quantity being used in processing for acquiring the sensor information from a sensor information acquisition device; a sensor information processing means that processes the sensor information on the basis of the quantity of the sensor information processed that corresponds to each of the set regions; a state determination means that determines the state of a structure using the processed sensor information; and an output means that outputs the determined state of the structure.

Abstract: A degradation display system according to an aspect of the present disclosure includes: at least one memory configured to store instructions, and at least one processor configured to execute the instructions to perform: acquiring a degradation index indicating a degradation state of a road section, changing display form of a map in accordance with a display range and a scale of the map, and superimposing degradation information on the map, the degradation information based on the degradation index of an area on the map or the road section in the area, wherein the superimposing includes: superimposing, for each area, the degradation information in a display form corresponding to a degree of the degradation index of the area in a case that the map is at a first scale, and superimposing, for each road section, the degradation information in a display form corresponding to a degree of the degradation index of the road section in a case that the map is at a second scale larger than the first scale.

Abstract: A repair assistance system according to an aspect of the present disclosure includes: at least one memory configured to store instructions; and at least one processor configured to execute the instructions to: detect unrepaired road surface deterioration from a road surface image obtained by imaging a road surface; determine an area of road surface deterioration to be subjected to temporary repair based on the detected unrepaired road surface deterioration; and calculate an amount of a material to be used for the temporary repair of the road surface based on the determined area.

Abstract: An information processing device includes one or more processors. The one or more processors are configured to: acquire an actual lateral acceleration being an actual measured value of a lateral acceleration of a vehicle detected by an acceleration sensor mounted on the vehicle over a prescribed period that is predetermined; acquire an estimated lateral acceleration being an estimated value of the lateral acceleration over the prescribed period based on a parameter different from the actual lateral acceleration; calculate an error of the actual lateral acceleration with respect to the estimated lateral acceleration based on the estimated lateral acceleration and the actual lateral acceleration acquired over the prescribed period; determine that there is wheel loosening in the vehicle on condition that the calculated error is equal to or greater than a prescribed value that is predetermined.

Abstract: A deterioration prediction device according to the present disclosure is provided with: a sensor history information acquisition means that acquires sensor history information of a structure; a strata information acquisition means that acquires strata information of the ground under the structure; a deterioration prediction means that predicts the deterioration state of the structure at a future point in time on the basis of the sensor history information and the strata information; and an output means that outputs the deterioration prediction result of the structure.

Abstract: An image generation system according to an aspect of the present disclosure includes: at least one memory configured to store instructions; and at least one processor configured to execute the instructions to: acquire a road image obtained by imaging of a road; determine a future degradation level of the road; and generate, based on the road image, a predictive image representing road degradation on a surface of the road, in accordance with the future degradation level.

Abstract: An information processing device includes a processor. The processor receives a requested acceleration as one of motion requests for a vehicle from each of sets of application software. The processor performs arbitration of requested accelerations that are received. The processor outputs an instruction signal for controlling an actuator of the vehicle based on a target acceleration that is a result of the arbitration of the requested accelerations. The processor acquires a detection value from an acceleration sensor installed in the vehicle. The processor performs first determination processing to determine whether an external impact has been applied to the vehicle, based on the target acceleration in addition to the detection value.