Abstract: The invention relates to a method for determining 3D coordinates of an object (2) by a handheld laser-based distance measuring device (1), the method comprising determining an object point (20) at the object (2); measuring a distance (100) from the handheld laser-based distance measuring device (1) to the determined object point (20) by means of an EDM (10); capturing a 3D image (110) of the object (2), the 3D image (110) includes the determined object point (20); identifying the determined object point (20) in the captured 3D image (110); and linking the measured distance (100) with the identified object point (20) in the 3D image (110). The invention also relates to a handheld laser-based distance measuring device (1) and a computer program product for execution of said method.

Abstract: The present invention relates to a method for virtual assembly of a structure, the structure being supposed to be assembled from a multitude of components on a construction site, the method comprising measuring, at a multitude of locations remote from the construction site, the components of the structure subsequent to their production and prior to their transport to the construction site, wherein the measuring comprises measuring at least the shape and size of connecting elements of each of the components, creating virtual representations of the components, virtually assembling the representations of the components, determining, based on assembly tolerances, whether the structure can be assembled with the measured components, and deciding, by means of an optimization algorithm, whether one or more components are to be reproduced, one or more components are to be reworked, and/or the structure is to be redesigned.

Abstract: The invention relates to a graphical application system to apply a desired pattern by multiple tiles onto a target surface. The system comprises a graphical application device comprising a base structure with a trackable optical feature, at least one nozzle for expelling paint, a driving unit for positioning the nozzle and a local camera for a local referencing of the nozzle. A controller controls the driving unit and the expelling of the nozzle to achieve an application of the desired pattern on the target surface. The system also comprises an external referencing device located remote from the graphical application device, for a global referencing of the application device according to the trackable optical feature. The desired pattern is applied with a primary alignment of the application range by the global referencing and with a fine-alignment of the actual tile to a previously applied tile according to the local referencing.

Abstract: The invention relates to a method of monitoring a wear of a gearbox in a power station, such as a windmill, water-wheel or tidal power station, the gearbox comprising at least two shafts, cogwheels and bearings as components of the gearbox. The method comprises sensing an angular position at the shafts by a rotational shaft encoder and monitoring the wear of the transmission-unit according to differences of the sensed angular positions and generating a condition signal representative of the wear of the gearbox according to the monitored differences. The monitoring comprises an additional sensing of at least one additional degree of freedom, in particular an axial and/or eccentric displacement, of at least one of the shafts caused by wear of at least one of the components of the gearbox, and generating the condition signal according to the displacement and differences in the at least two degrees of freedom.

Abstract: A method for producing parts for a local structure at a construction site using a building information model, the building information model being stored on a central computing unit and providing data about the construction site or a building to be constructed at the construction site. The method includes determining dimensions of parts needed for the construction of the local structure; and producing the needed parts according to the determined dimensions, wherein determining the dimensions comprises a measuring operation performed by a user, wherein the user is guided through the measuring operation by a portable computing device using data provided by the building information model. The dimensions are provided to a work shop which is situated at the construction site and the needed parts are produced at the work shop according to the provided dimensions.

Abstract: A construction site management system with building information modelling (BIM) functionality. The system includes a server for maintenance of a three-dimensional gross model of a construction site, a mobile device connected to the server, wherein the server is configured to derive a three-dimensional net model from the gross model based at least in part on a work package, the work package being assigned from the server to the mobile device and comprising references to locations within the gross model, wherein the mobile device is configured to retrieve the net model from the server and provide the net model on a screen as a graphical user interface (GUI).

Abstract: The invention pertains to a method for determining at least one spatial coordinate of a measurement point of a local structure of an object, providing a mobile coordinate measuring machine, the method comprising at least placing the mobile coordinate measuring machine on a surface of the object to be measured, approaching the measurement point with a sensing head, and determining at least one spatial coordinate of the at least one measurement point, characterized by establishing a defined spatial relation between the coordinate measuring machine and the local structure wherein the defined spatial relation is established by means of a mechanical fixation of the coordinate measuring machine to the object, and/or a continuous determination of position and orientation of the coordinate measuring machine relative to the object. The invention furthermore pertains to a mobile coordinate measuring machine and a computer program product for execution of said method.

Abstract: The invention concerns a handheld, dynamically movable surface spattering device, comprising at least one nozzle means for an expelling of a spattering material onto a target surface and a nozzle control mechanism to control characteristics of the expelling of the nozzle means. Furthermore, it comprises a spattering material supply, a storage with desired spattering data, which is predefined and comprised in a digital image or CAD-model memorized on the storage, a spatial referencing unit, to reference the spattering device relative to the target surface and a computation means to automatically control the expelling by the nozzle control mechanism according to information gained by the spatial referencing unit and according to the desired spattering data is evaluated and adjusted by changing the characteristics of expelling of the nozzle means in such a way that the target surface is spattered according to the desired spattering data.

Abstract: The invention pertains to a road condition determining system and a method for determining a condition of a road traversed by at least one vehicle. The road condition determining system comprises a vehicle position determination means for determining a position of the vehicle, a calibration parameter detection unit adapted to determine at least one calibration parameter of a part of the vehicle, a vertical acceleration sensor adapted to continuously sense a vertical acceleration of the vehicle, a calculation unit adapted to calculate a road condition value based on the vertical acceleration and on the calibration parameter, and to continuously monitor whether the road condition value exceeds a predefined schedule, and a data transmission unit adapted to provide maintenance data to at least one receiver, the maintenance data comprising at least an information about the vehicle position.

Abstract: Method for building up an object (25) by means of a coordinate measuring machine (10), wherein the coordinate measuring machine (10) has at least one control unit and one drive unit for the controlled movement of an instrument carrier (19) in relation to a base (12) and the instrument carrier (19) is implemented for carrying at least one measuring sensor and production tool (21a-b), which are each modularly attachable in particular, both alone in each case or in combination.

Abstract: A method of automated spatial worksite referencing of a networked electronic measuring device with awareness of a rough location information of itself at a worksite location. The method includes querying a database for construction plan information about the rough location and its vicinity and about an actual work progress, computing an actual-state nominal spatial information at the rough location and its vicinity, automatically determining of a fine location of the networked electronic measuring device at the worksite location, by at least one iteration of: automatically determining a measurement point in the vicinity and measuring the measurement point using measurement functionality of the device, and then automatically assimilating the measurement point to the actual-state nominal spatial information and thereby determining the fine location information.

Abstract: The invention relates to an automated construction site management and support system for a preparation of a construction site during a construction rest period, and for determining a current state of a construction site during the rest period. The system comprises at least one server means, storing a general construction database with digital construction plan information, and a mobile support system being adapted for automatic movement and positioning on the construction site, and for executing auxiliary preparatory tasks for a construction work package such as tagging construction markings and information to the construction site, and for executing controlling tasks on the construction site for determining a current state of an object entity of a physical construction component. Sequences of auxiliary preparatory tasks or a set of controlling tasks are automatically defined based on the current state of the construction database, and, if applicable, a defined outcome for a work package.

Abstract: The invention pertains to a construction management system for the construction of a structure, comprising a plurality of sensor means adapted to detect events at a building site of the structure, a central computing unit providing a three-dimensional model of the building site, and at least one displaying device that is adapted to display the three-dimensional model to a user, wherein the sensor means is adapted for generating data comprising information about a detected event, the system comprises communication units adapted to transmit a message comprising the data and a location information to the central computing unit, assign coordinates in the three-dimensional model according to the location information, evaluate options for reacting on the event by analysing the data, assign evaluated options to the data, and display a note which is related to evaluated options to the user in real-time at the assigned coordinates in the three-dimensional model.

Abstract: The invention relates to a construction site management system and a method for providing checking instructions on a mobile device of a worker on a construction site, wherein the mobile device is connected to a server as part of the construction site management system, wherein work packages are assigned to the worker by the server. The method includes obtaining a progress report from the worker relating to the progress of a work package, and transmitting the progress report to the server, retrieving a checking plan from the server based on the progress report, and generating checking instructions based at least in part on the checking plan, the checking instructions comprising information on what feature to check, where to check the feature, and directives on how to check the feature.

Abstract: A method for compensating a measurement error related to a measurement of a desired measuring point at an object to be measured with a coordinate measuring machine is disclosed. Some embodiments include a touch probe. Some embodiments include a method that includes providing a three dimensional reference body of known shape and dimension at a known position in the measuring volume of the coordinate measuring machine, defining multiple reference points to be measured at the reference body, touching the reference body with the touch probe in defined touching directions according to the multiple reference points and thereby determining positions for the multiple reference points, and deriving a lobing error information for the touch probe based on the known shape and dimensions of the reference body and the determined positions of the reference points, the lobing error information providing error values related to respective touching directions for the touch probe.

Abstract: A coordinate measuring machine based on a delta robot structure comprising a base plate, arms, a movable platform with a probe, and a control unit for controlling the movement of the movable platform. The base plate is configured to accommodate a first workpiece and the probe is arranged the movable platform so as to utilize the free inside space of the delta robot structure between the arms as measuring volume.

Abstract: Embodiments described herein include a surveying apparatus for surveying a measurement scenery. The surveying apparatus may include a base defining a vertical axis; a support tiltable around the vertical axis; a telescope unit tiltable around the vertical axis and around a horizontal axis that is orthogonal to the vertical axis and comprises means for distance measurement; motor means for rotational driving of the support and the telescope unit; and angle determination means for detecting an orientation of the telescope unit with respect to the base. In some embodiments, the telescope unit comprises a first camera capable to take a visible image of the measurement scenery and/or means for capturing coordinates of 3D-points of the measurement scenery. In some embodiments, the surveying apparatus comprises a display capable to display at least a portion of the visible image taken by the first camera and/or at least a portion of the 3D-points.

Abstract: The invention relates to a measuring machine and a method for automated measurement of an object and detection of differences between a feature of the object and CAD data of the object. The measuring machine comprises a probe head, a probe system comprising a probe and measurement functionality for determining three-dimensional coordinates of a feature of the object, a local computer terminal, an assigned memory unit, and an assigned set of measurement software programs for controlling the measuring machine. The stored CAD data of the object comprise typical dimensions and tolerances of the features, and the assigned set of measurement software programs comprises an optimization algorithm for the measurement of each feature which algorithm is designed to automatically select measuring parameters of the measuring machine and/or a measurement software program from the set of measurement software programs.

Abstract: The present invention relates to a system and method for three dimensional surveying of a surface. It comprises at least a first mobile vehicle with at least one camera unit having its field of view at least partially directed towards the surface for imaging the surface. It also comprises a computer-vision unit built to execute a visual surveying algorithm based on images from the camera unit for determining a topology of the surface and/or a location relative to the surface. According to the invention, there is at least a second mobile vehicle, comprising a light projection unit built to emit a defined structured light pattern onto the surface.

Abstract: Some embodiments of the invention relate to a method for measuring an angle between two spatially separated elements having the steps: preparing a multiplex hologram having a plurality of interference patterns, at least two having different angles of incidence of an object light wave onto a hologram plane; arranging the multiplex hologram in a first element plane on a first element; lighting the multiplex hologram with a reference light wave; arranging a light detector in a second element plane on a second element; detecting a reference light wave refracted on an interference pattern with a light detector; creating an intensity pattern from the detected refracted reference light wave; assigning the angle of incidence stored as machine readable data to the intensity pattern; and/or calculating an angle between the first element plane and the second element plane from the assigned angle of incidence.