Abstract: Provided is a work management system enabling real-time inspection by simultaneously performing work and measurements. The work management system includes a tool including a communication unit and a trigger switch, a camera unit including a communication unit, a camera capable of identifying 3D camera coordinates from an image, a posture detecting device configured to acquire camera posture information, a control unit, and a prism, and a surveying instrument including a communication unit, a tracking unit, a distance-measuring unit, an angle-measuring unit, and a control unit, wherein upon detection that the trigger switch has been used, the camera unit collects camera posture information by the posture detecting device, a tool image by the camera, position coordinates of the prism measured by the surveying instrument, and orientation information of the camera unit viewed from the surveying instrument, and obtains and stores position coordinates of a tip end position of the tool.

Abstract: The data set receiving unit 13 of the information processing apparatus 1 of an aspect example receives a data set that includes at least BIM data. The route setting processor 151 sets a route, which is arranged inside and/or outside a virtual building represented by the BIM data, based on the data set received. The virtual image set generating processor 152 generates a virtual image set of the virtual building along the route, based on the received data set and the set route. The inference model creating processor 153 creates an inference model by applying machine learning with training data that includes at least the generated virtual image set to a neural network. The inference model created is used to identify data of a building material from data acquired by measuring a building.

Abstract: A management system of the present invention includes a design database storing member identification information, member coordinates, and member shapes of construction members constituting a construction object, a management member selecting unit configured to select a management member to be managed among the construction members stored in the design database, a related member selecting unit configured to select a related member adjacent to the management member from the design database, a boundary information creating unit configured to select an adjacent portion between the management member and the related member, and with respect to the adjacent portion, as boundary information, associate identification information, adjacent portion coordinates, an adjacent portion shape of the adjacent portion, member identification information of the management member, and member identification information of the related member with each other, and a comparison result database configured to store information associate

Abstract: Effects of multiple reflections in distance measurement using a laser are reduced. A surveying method for measuring a distance to a reflection point that reflects distance measuring light, based on emission and reception of the distance measuring light, includes assuming that a symbol “K” represents a natural number, excluding zero, and determining whether a beam that is received after the (K+1)th light emission is a repeatedly reflected beam of light that has been emitted before the (K+1)th light emission. The beam that is received, after the (K+1)th light emission, at a time corresponding to a period based on a time interval from light emission at or before the Kth light emission until first reception of a beam related to the light emission at or before the Kth light emission, is determined as being the repeatedly reflected beam.

Abstract: A management system of the present invention includes a design database storing member identification information, member coordinates, and member shapes of construction members constituting a construction object, a management member selecting unit configured to select a management member to be managed among the construction members stored in the design database, a related member selecting unit configured to select a related member adjacent to the management member from the design database, a boundary information creating unit configured to select an adjacent portion between the management member and the related member, and with respect to the adjacent portion, as boundary information, associate identification information, adjacent portion coordinates, an adjacent portion shape of the adjacent portion, member identification information of the management member, and member identification information of the related member with each other, and a comparison result database configured to store information associate

Abstract: One aspect example is a system for photogrammetry of a building. A memory stores design data and physical material data. The design data includes virtual material information on attributes for each of virtual materials of a virtual building. The physical material data is on the attributes for each of physical materials and generated based on measured data acquired from a physical building constructed on the basis of the design data. A material associating processor is configured to generate pairs of virtual and physical materials by determining an association between the virtual materials and the physical materials based on the virtual material information and the physical material data. An attribute associating processor is configured to determine an association between the virtual material information and the physical material data in accordance with the attributes for each of the pairs.

Abstract: A management system includes a design database of construction members, a measurement database of the construction members, a construction database recording construction data of the construction members, a construction member selecting unit, a peripheral member selecting unit, a model creating unit configured to create a design model of the construction member and a measurement model of the peripheral member, a corrected model creating unit configured to create a design corrected model by synthesizing the design model and the measurement model, and a corrected construction plan creating unit configured to select a construction designated member based on the design corrected model, and record, with respect to the construction designated member, coordinates and a shape of the design corrected model as construction designated member coordinates and a construction designated member shape, and construction content of the construction designated member as construction inspection content, in a corrected constructio

Abstract: Data management to reflect an actual construction status in design is realized. In order to achieve the object, a management system includes a design database recording, with respect to members of a construction object, design data of at least member IDs, member coordinates, member shapes, a measurement database recording measurement data of the construction object, a starting point member selecting unit configured to select a starting point member from the design database, a measurement information selecting unit configured to select the measurement data corresponding to the starting point member from the measurement database, and an actual status model creating unit configured to create an actual status model with respect to the starting point member by performing shape correction of a design model of the starting point member created from the design database by using the measurement data.

Abstract: An inner frame is rotatably supported by the outer frame via a first shaft, the inertia detecting unit is rotatably supported by the inner frame via a second shaft orthogonal to the first shaft, a first encoder for detecting a rotation angle between the outer frame and the inner frame, a second encoder for detecting a rotation angle between the inner frame and the inertia detecting unit, and rotation powers are provided on the respective shafts. And the arithmetic processing module is configured to drive the respective rotation powers to make the inertia detecting unit to perform a reversal operation of 180° or one rotation at least once based on outputs from the respective encoders regarding the first shaft and the second shaft and to detect a tilt and a rotation based on detection signals output from the inertia detecting unit before and after the reversal.

Abstract: The data set receiving unit 13 of the information processing apparatus 1 of an aspect example receives a data set that includes at least BIM data. The route setting processor 151 sets a route, which is arranged inside and/or outside a virtual building represented by the BIM data, based on the data set received. The virtual image set generating processor 152 generates a virtual image set of the virtual building along the route, based on the received data set and the set route. The inference model creating processor 153 creates an inference model by applying machine learning with training data that includes at least the generated virtual image set to a neural network. The inference model created is used to identify data of a building material from data acquired by measuring a building.

Abstract: The data set receiving unit 13 of the information processing apparatus 1 of an aspect example receives a data set that includes at least BIM data. The route setting processor 151 sets a route, which is arranged inside and/or outside a virtual building represented by the BIM data, based on the data set received. The virtual image set generating processor 152 generates a virtual image set of the virtual building along the route, based on the received data set and the set route. The inference model creating processor 153 creates an inference model by applying machine learning with training data that includes at least the generated virtual image set to a neural network. The inference model created is used to identify data of a building material from data acquired by measuring a building.

Abstract: A rotary encoder includes: a rotary disk with an angle code; a light source; a detector reading the angle code; and a processing unit acquiring a reading value. The light source includes at least two light-emitting elements spaced from each other. Every time the rotary disk is rotated by a predetermined angle, where an arbitrary angle from a rotation angle ? within a reading range on the detector is provided as ?, the processing unit acquires reading values fI(?+?) and fI(?) with a first light-emitting element and a reading value fII(?+?) with a second light-emitting element, to calculate a reading value error due to deflection at an angle ?+? based on the difference between the reading values fII(?+?) and fI(?+?), to obtain a difference gI(?,?) between the reading values fI(?+?) and fI(?) such that the error is reflected, and to self-calibrate based on a change in the difference gI(?,?).

Abstract: For creation of a construction model, a construction model creation system of the present invention includes a work results database storing position coordinates of work results, a work results extracting unit configured to extract the work results that are necessary from the work results database, a model creating unit configured to create a model from the extracted work results, a model determining unit configured to store a determined element of the model created by the model creating unit as a construction model of the construction work, and a construction model database configured to store the construction model determined by the model determining unit.

Abstract: Provided is a work management system enabling real-time inspection by simultaneously performing work and measurements. The work management system includes a tool including a communication unit and a trigger switch, a camera unit including a communication unit, a camera capable of identifying 3D camera coordinates from an image, a posture detecting device configured to acquire camera posture information, a control unit, and a prism, and a surveying instrument including a communication unit, a tracking unit, a distance-measuring unit, an angle-measuring unit, and a control unit, wherein upon detection that the trigger switch has been used, the camera unit collects camera posture information by the posture detecting device, a tool image by the camera, position coordinates of the prism measured by the surveying instrument, and orientation information of the camera unit viewed from the surveying instrument, and obtains and stores position coordinates of a tip end position of the tool.

Abstract: The data set receiving unit 13 of the information processing apparatus 1 of an aspect example receives a data set that includes at least BIM data. The route setting processor 151 sets a route, which is arranged inside and/or outside a virtual building represented by the BIM data, based on the data set received. The virtual image set generating processor 152 generates a virtual image set of the virtual building along the route, based on the received data set and the set route. The inference model creating processor 153 creates an inference model by applying machine learning with training data that includes at least the generated virtual image set to a neural network. The inference model created is used to identify data of a building material from data acquired by measuring a building.

Abstract: The system 1 of an aspect example is used for building photogrammetry. The design data 141 includes virtual material information, which includes virtual material position information, on attributes for each virtual material of a virtual building. The physical material data 142, which includes physical material position data, is generated based on measured data of a physical building constructed based on the design data 141, relates to the attributes for each physical material. The material associating processor 151 generates pairs of virtual and physical materials by determining an association between the virtual and physical materials based on the virtual material position information and the physical material position data. For each of the pairs, the attribute associating processor 152 determines an association between the virtual material information and the physical material data in accordance with the attributes.

Abstract: A surveying system comprising a rover having an illuminating lamp for emitting an illumination light, a second azimuth indicator for detecting an azimuth angle of an optical axis of the illumination light, a surveying instrument comprises a surveying instrument main body and a rotary driving unit capable of rotating the surveying instrument main body in at least a left-and-right direction, wherein the surveying instrument main body comprises a first azimuth indicator for detecting an azimuth angle of a reference optical axis, and as arithmetic control module, and wherein the arithmetic control module is configured to calculate the azimuth angle of the reference optical axis which is in parallel or approximately parallel with the optical axis of the illumination light based on the azimuth angle of the optical axis of the illumination light received from the rover and the azimuth angle of the reference optical axis.

Abstract: When a camera and a surveying device are connected by a synchro cable, and a photographing condition obtaining unit obtains a photographing start time of the camera, a survey control unit makes a survey time measurement unit start time measurement. After the camera and the surveying device are disconnected, the survey control unit starts a survey by a predetermined surveying period ?T when tracking of the prism starts. Based on the time measurement by the survey time measurement unit, the survey control unit associates the survey result with the photographing position of each image taken by the camera to generate the data for photogrammetry.

Abstract: Provided is a method for controlling an ultrasonic motor to reduce deterioration of automatic tracking performance, and a surveying instrument for the same. The present invention provides a method for controlling an ultrasonic motor in a surveying instrument including a rotary shaft, an ultrasonic motor that drives a rotary shaft, a tracking unit that includes a light emitting unit and a light receiving unit and tracks a target, and a clock signal oscillation unit that outputs a clock signal, wherein at the time of low-speed rotation of the ultrasonic motor, based on the clock signal, a ratio of an acceleration period in which a drive signal is applied and a deceleration period in which the drive signal is stopped in a drive cycle of the drive signal of the ultrasonic motor is set, and the light emitting unit is made to emit light in the deceleration period.

Abstract: A rotary encoder includes: a rotary disk with an angle code; a light source; a detector reading the angle code; and a processing unit acquiring a reading value. The light source includes at least two light-emitting elements spaced from each other. Every time the rotary disk is rotated by a predetermined angle, where an arbitrary angle from a rotation angle ? within a reading range on the detector is provided as ?, the processing unit acquires reading values fI(?+?) and fI(?) with a first light-emitting element and a reading value fII(?+?) with a second light-emitting element, to calculate a reading value error due to deflection at an angle ?+? based on the difference between the reading values fII(?+?) and fI(?+?), to obtain a difference gI(?, ?) between the reading values fI(?+?) and fI(?) such that the error is reflected, and to self-calibrate based on a change in the difference gI(?, ?).