Abstract: An information processing device includes a hardware processor. The processor functions to generate first data to be input to a model used for deducing an effect of a case where a measure is executed with input of observation data. The first data represents the observation data obtained without execution of the measure. The processor functions to receive first parameters affecting the effect. Each first parameter is used in an estimation process of estimating the observation data when the measure is executed. The processor functions to execute the estimation process and generate second data representing the observation data. The processor functions to estimate the effect by using the first/second data. The processor functions to learn the model by using the first/second data. The processor functions to evaluate performance of the learned model by comparing the effect estimated by using the first/second data and the effect estimated by the learned model.

Abstract: This invention quickly supplies a predetermined amount of powder from a hopper to a recoater. A powder supply apparatus includes, as its feature, a hopper, a powder spreader, a powder replenisher, and a pivoting unit. The hopper of the powder supply apparatus stores a powder. The powder spreader spreads the powder on a shaping surface. The powder replenisher of the powder supply apparatus is provided between the hopper and the powder spreader, and replenishes the powder spreader with a predetermined amount of powder. The pivoting unit of the powder supply apparatus causes the powder replenisher to pivot.

Abstract: According to one embodiment, in general, an information processing apparatus includes one or more processors. The one or more processors receive from an onboard device of a probe vehicle an image showing a vehicle group of one or more vehicles stopping on the same lane, imaging time of the image, and a position of the probe vehicle at the imaging time. The one or more processors select vehicle groups according to the imaging time and an imaging position. The one or more processors identify the selected vehicle groups as a vehicle queue. The one or more processors calculate a stopping vehicle-queue evaluation value. The one or more processors calculate a parking vehicle-queue evaluation value. The one or more processors determine whether the identified vehicle queue is the stopping vehicle queue or the parking vehicle queue.

Abstract: According to one embodiment, generally, an information processing apparatus includes a vehicle detector, a stopped-vehicle evaluator, a parked-vehicle evaluator, and a determiner. The vehicle detector detects a vehicle from a captured image by an imaging device mounted in a probe vehicle. The stopped-vehicle evaluator calculates a stopped-vehicle evaluation value based on one or more stopped-vehicle conditions. The parked-vehicle evaluator calculates a parked-vehicle evaluation value based on one or more parked-vehicle conditions. The determiner determines whether the vehicle is stopped or parked based on both the evaluation values.

Abstract: According to one embodiment, in general, an information processing apparatus includes one or more processors. The one or more processors receive from an onboard device of a probe vehicle an image showing a vehicle group of one or more vehicles stopping on the same lane, imaging time of the image, and a position of the probe vehicle at the imaging time. The one or more processors select vehicle groups according to the imaging time and an imaging position. The one or more processors identify the selected vehicle groups as a vehicle queue. The one or more processors calculate a stopping vehicle-queue evaluation value. The one or more processors calculate a parking vehicle-queue evaluation value. The one or more processors determine whether the identified vehicle queue is the stopping vehicle queue or the parking vehicle queue.

Abstract: The present invention provides a three-dimensional molding device which makes it possible to reduce molding time by decreasing the inkjet head waiting time during the molding step.

Abstract: In order to well perform recoating regardless of the type of granular material and reuse a refractory aggregate in an unprinted portion without any regeneration process in the manufacture of a three-dimensional lamination-shaped mold, this invention provides a granular material for use in shaping a three-dimensional laminated mold, which is coated with an acid as a catalyst which activates and cures an organic binder for binding the granular material. The acid contains at least one of sulfuric acid, phosphoric acid, a sulfonic acid and a carboxylic acid, and is one of a mixture of sulfuric acid and another acid, phosphoric acid only, a mixture of phosphoric acid and another acid, sulfonic acid only, a mixture of sulfonic acid and another acid and a mixture of a carboxylic acid and another acid.

Abstract: According to one embodiment, generally, an information processing apparatus includes a vehicle detector, a stopped-vehicle evaluator, a parked-vehicle evaluator, and a determiner. The vehicle detector detects a vehicle from a captured image by an imaging device mounted in a probe vehicle. The stopped-vehicle evaluator calculates a stopped-vehicle evaluation value based on one or more stopped-vehicle conditions. The parked-vehicle evaluator calculates a parked-vehicle evaluation value based on one or more parked-vehicle conditions. The determiner determines whether the vehicle is stopped or parked based on both the evaluation values.

Abstract: The present invention is a three-dimensional modeled object including: a shaping material which is layered on a fabrication table; a modeled article which is formed inside the shaping material; and a support which is formed inside the shaping material and is formed with a predetermined gap with respect to the modeled article.

Abstract: A three-dimensional fabricating apparatus has a table on which a powder material is stacked in a layered manner, and a shaping unit which includes a powder material supply device supplying the powder material onto a top surface of the table by every predetermined layer thickness and a binder liquid supply device ejecting a binder liquid to the powder material supplied onto the top surface of the table. The powder material supply device of the shaping unit is movable in one direction in a state adjacent to the top surface of the table and is capable of supplying the powder material onto the top surface of the table at a predetermined supply width while moving the powder material supply device. The binder liquid supply device is capable of moving in the same direction as the powder material supply device in a state adjacent to the top surface of the table.

Abstract: A line inkjet head cleaning apparatus for effectively cleaning a long line inkjet head includes a wiper fixer extending in a longitudinal direction of a line inkjet head as a cleaning target and having a predetermined width in a vertical direction, a cleaning wiper being fixed to an upper end thereof, a cleaning solution tank having a predetermined volume accommodating the wiper fixer and having an opening in an upper surface, and a driver that vertically moves the wiper fixer between a cleaning solution in the cleaning solution tank and the line inkjet head as a cleaning target positioned above the opening.

Abstract: According to one embodiment, a road traffic condition estimation system includes a storage, an inter-vehicle distance estimator, a vehicle density estimator, and a traffic flow rate estimator. The storage stores a speed and inter-vehicle distance table representing a relationship between vehicle speeds and inter-vehicle distances. The inter-vehicle distance estimator acquires a representative value of speeds of vehicles traveling on a given section of a road, and estimates a representative value of inter-vehicle distances on the section on the basis of the representative value of the speeds and the speed and inter-vehicle distance table. The vehicle density estimator estimates a vehicle density on the section on the basis of the estimated representative value of the inter-vehicle distances and a length of the section. The traffic flow rate estimator estimates a traffic flow rate on the section on the basis of the representative value of the speeds and the estimated vehicle density.

Abstract: According to one embodiment, a travel speed calculation device includes an acquisition unit, an inter-vehicle distance calculator, a relative speed calculator, a travel speed calculator, and a determination unit. The travel speed calculator calculates a travel speed of another vehicle based on a travel speed of a probe vehicle and a relative speed of another vehicle relative to the probe vehicle. The determination unit determines change of another vehicle based on a frame at a former time and a frame at a latter time, and inhibits the travel speed calculator from calculating a travel speed of another vehicle based on a relative speed in the case where another vehicle is changed.

Abstract: Provided is a granular material which generates no harmful gas at the time of pouring, reduces a gas defect as one of casting defects, and is readily reusable after pouring, in the manufacture of a three-dimensional laminated and shaped mold. This granular material is a granular material for use in a three-dimensional laminated and shaped mold manufacturing apparatus, and includes magnesium sulfate. The amount of magnesium sulfate included in the granular material is 1 to 10 pts·mass with respect to 100 pts·mass of the granular material. The amount of water included in the granular material is 0.1 mass % or less except for crystallization water of magnesium sulfate.

Abstract: A powder is spread in two directions, that is, the advancement and retraction directions of a powder recoater. The powder recoater according to this invention includes a hopper that stores a powder, and a cylindrical powder supplier that has a side surface close to or in contact with the bottom surface of the hopper and includes a supply path for the powder. The powder recoater according to this invention further includes a pivoting unit that causes the powder supplier to pivot. In the powder recoater according to this invention, the center axis of the supply path is displaced from the center axis of the powder supplier in the radial direction of the powder supplier.

Abstract: A line inkjet head cleaning apparatus for effectively cleaning a long line inkjet head includes a wiper fixer extending in a longitudinal direction of a line inkjet head as a cleaning target and having a predetermined width in a vertical direction, a cleaning wiper being fixed to an upper end thereof, a cleaning solution tank having a predetermined volume accommodating the wiper fixer and having an opening in an upper surface, and a driver that vertically moves the wiper fixer between a cleaning solution in the cleaning solution tank and the line inkjet head as a cleaning target positioned above the opening.

Abstract: This invention quickly supplies a predetermined amount of powder from a hopper to a recoater. A powder supply apparatus includes, as its feature, a hopper, a powder spreader, a powder replenisher, and a pivoting unit. The hopper of the powder supply apparatus stores a powder. The powder spreader spreads the powder on a shaping surface. The powder replenisher of the powder supply apparatus is provided between the hopper and the powder spreader, and replenishes the powder spreader with a predetermined amount of powder. The pivoting unit of the powder supply apparatus causes the powder replenisher to pivot.

Abstract: In order to well perform recoating regardless of the type of granular material and reuse a refractory aggregate in an unprinted portion without any regeneration process in the manufacture of a three-dimensional lamination-shaped mold, this invention provides a granular material for use in shaping a three-dimensional laminated mold, which is coated with an acid as a catalyst which activates and cures an organic binder for binding the granular material. The acid contains at least one of sulfuric acid, phosphoric acid, a sulfonic acid and a carboxylic acid, and is one of a mixture of sulfuric acid and another acid, phosphoric acid only, a mixture of phosphoric acid and another acid, sulfonic acid only, a mixture of sulfonic acid and another acid and a mixture of a carboxylic acid and another acid.

Abstract: In order to generate no harmful gas during pouring and reduce a gas defect as one cast metal defect in the manufacture of a three-dimensional lamination-shaped mold, this invention provides a granular material for use in shaping a three-dimensional lamination mold, the granular material being coated with water glass which is activated and cured by a water-soluble ester. The residual water content in the granular material is 1% or less. The water glass is one of a sodium silicate solution, a potassium silicate solution, as alkali metal silicate solutions and a mixture thereof.

Abstract: The present invention provides a three-dimensional molding device which makes it possible to reduce molding time by decreasing the inkjet head waiting time during the molding step. A three-dimensional molding device for scattering and layering sand on a molding table (30) using a recoater (2), discharging a binder from a head (1) so as to coat the top of the scattered sand with the binder, on the basis of molding data, and creating a three-dimensionally molded. article by joining' the sand (S) using the binder, wherein: the recoater (2) is formed.