Abstract: An object is highly precisely moved by an industrial robot to an end position by the following steps, which are repeated until the end position is reached within a specified tolerance: Recording a three-dimensional image by means of a 3-D image recording device. Determining the present position of the object in the spatial coordinate system from the position of the 3-D image recording device the angular orientation of the 3-D image recording device detected by an angle measuring unit, the three-dimensional image, and the knowledge of features on the object. Calculating the position difference between the present position of the object and the end position. Calculating a new target position of the industrial robot while taking into consideration the compensation value from the present position of the industrial robot and a value linked to the position difference. Moving the industrial robot to the new target position.

Abstract: The invention relates to a method and a surveying system for noncontact coordinate measurement on the object surface of an object to be surveyed in an object coordinate system. With a 3D image recording unit, a first three-dimensional image of a first area section of the object surface is electronically recorded in a first position and first orientation, the first three-dimensional image being composed of a multiplicity of first pixels, with which in each case a piece of depth information is coordinated. The first position and first orientation of the 3D image recording unit in the object coordinate system are determined by a measuring apparatus coupled to the object coordinate system. First 3D object coordinates in the object coordinate system are coordinated with the first pixels from the knowledge of the first 3D image coordinates and of the first position and first orientation of the 3D image recording unit.

Abstract: The invention relates to a method and a surveying system for noncontact coordinate measurement on the object surface (2) of an object (1) to be surveyed in an object coordinate system (O). With a 3D image recording unit (3), a first three-dimensional image (P1) of a first area section (S1) of the object surface (2) is electronically recorded in a first position (x1, y1, z1) and first orientation (?1, ?1, ?1), the first three-dimensional image (P1) being composed of a multiplicity of first pixels (i1), with which in each case a piece of depth information is coordinated. First 3D image coordinates (u1i, v1i, w1i) in an image coordinate system (B) of the 3D image recording unit (3) are coordinated with the first pixels (i1). The first position (x1, y1, z1) and first orientation (100 1, ?1, ?1) of the 3D image recording unit (3) in the object coordinate system (O) are determined by a measuring apparatus (4a, 4b) coupled to the object coordinate system (O).

Abstract: The invention relates to a method for determining at least one influencing variable acting on the eccentricity in a goniometer, using a detector arrangement consisting of four optical detector elements, and a rotational body comprising a plurality of pattern elements arranged around a pattern center, the rotational body being rotatably arranged about an axis. According to said method, at least some of the pattern elements are reproduced on the detector arrangement, the positions of the pattern elements reproduced on the detector arrangement are resolved, and the eccentricity of the pattern center in relation to a detector center of the detector arrangement is determined. A plurality of such eccentricity measurements for different rotational positions enables different influencing variables acting on the current eccentricity to be separated, especially by forming units.

Abstract: A method of operating an articulated arm CMM is provided. One or more coordinates on an object can be measured with the articulated arm CMM. At least one of the encoders can then be at least partially powered-off. The encoder can then be powered on and one or more coordinates on the same object can be measured without recalibrating the encoder.

Abstract: A laser scanner for detecting spatial surroundings comprises a stator (21), a rotor (1), mounted on the stator (21) to be rotatable about a first rotational axis, and a rotary body (2), mounted on the rotor (1) to be rotatable about a second rotational axis. A laser source (6) and a detector (7) are arranged in the rotor (1). One optical link (9) each is configured on the second rotational axis on every side of the rotary body (2) between the rotor (1) and the rotary body (2) so that emission light can be introduced by the laser source into the rotary body (2) via the first optical link (8) and reception light can be discharge from the rotary body (2) via the second optical link (9). A first rotary drive (25) drives the rotor (21) and a second rotary drive (26) drives the rotary body (2). Two goniometers (4) and evaluation electronics (5) which are connected to the laser source (6) and the detector (7) allow association of a detected distance with a corresponding direction.

Abstract: In order to derive a distance to a target object, in the detection of lower and upper dynamic ranges different detection methods are used simultaneously for the same light signal in an opto-electric distance measuring method having at least one emission of at least one light signal onto a target object and one detection of the light signal scattered back by the target object, wherein the upper dynamic range is recorded by means of a threshold value method and the lower dynamic range is recorded by means of signal scanning for the identification and temporal positioning of the back-scattered light signal.

Abstract: The invention relates to a measuring method for determining a measurement position of a probe element 6 using a coordinate measuring machine 1 having a base and members that can be moved relative to the base and relative to each other, wherein one of the members, as the probe member TG, comprises a probe element 6, so that the probe element 6 can move freely within a prescribed volume of space, wherein the measurement position is captured by the probe element 6, a measurement variable set is taken by measuring measurement variables linked to a measurement position of the members, wherein the measurement position is determined by a relative location of the members to each other and of at least one of the members to the base, and the measurement position is determined relative to the base.

Abstract: The invention relates to a measuring head system (1) for a coordinate measuring machine, having a scanning element (6), which has a part provided for contacting a measured object as a contacting part (5), which can be moved in relation to a fixed measuring head base (2) in a lateral x direction (20) and a lateral y direction (21), such that an object to be measured can be mechanically scanned using the scanning element (6). An optical sensor (10), having a sensor line (11) which can be read out and comprises a plurality of array sensor elements, is fixed on the measuring head base (2). Furthermore, means are provided, which are particularly disposed spatially fixed to the contacting part (5), generate a projection—as a function of displacements of the contacting part (5) in relation to the measuring head base (2)—on the sensor line (11) using at least one radiation source (15). In addition, an analysis unit is provided.

Abstract: In a method for gauging surfaces (7?), in which a frequency-modulated laser beam is generated, the laser beam is emitted onto the surface as measuring radiation (MS), the measuring radiation (MS) backscattered from the surface (7?) is received and the distance between a reference point and the surface (7?) is measured interferometrically, wherein the measuring radiation (MS) is emitted and received while the surface to be gauged is being scanned, and a measuring arm and a reference interferometer arm with a partially common beam path are used, deviations from the essentially perpendicular impingement of the measuring radiation (MS) on the surface (7?) are taken into account algorithmically during distance measurement and/or are avoided or reduced during scanning by controlling the emission of the measuring radiation (MS).

Abstract: The invention relates to a method and a system for the high-precision positioning of at least one object in a final location in space. An object (12) is gripped and held by the industrial robot (11) within a gripping tolerance. A compensating variable, which corrects the gripping tolerance, is determined for the industrial robot (11).

Abstract: A distance measuring method for detecting the spatial dimension of at least one target by at least one emission of a multiplicity of light pulses, in particular laser light, towards the target, detecting the light pulse scattered back by the target by means of a multiplicity of distance measuring pixels and eliminating the distance to the target for each pixel, wherein each light pulse can be detected within a measuring interval Ti from at least two partial intervals tij and the detection of at least one repetition constitutes a detection step performed in at least two stages wherein the measuring interval T˜ is shortened from stage to stage.

Abstract: A laser scanner for detecting spatial surroundings comprises a stator (21), a rotor (1), mounted on the stator (21) to be rotatable about a first rotational axis, and a rotary body (2), mounted on the rotor (1) to be rotatable about a second rotational axis. A laser source (6) and a detector (7) are arranged in the rotor (1). One optical link (9) each is configured on the second rotational axis on every side of the rotary body (2) between the rotor (1) and the rotary body (2) so that emission light can be introduced by the laser source into the rotary body (2) via the first optical link (8) and reception light can be discharge from the rotary body (2) via the second optical link (9). A first rotary drive (25) drives the rotor (21) and a second rotary drive (26) drives the rotary body (2). Two goniometers (4) and evaluation electronics (5) which are connected to the laser source (6) and the detector (7) allow association of a detected distance with a corresponding direction.

Abstract: The invention relates to a method for determining at least one influencing variable acting on the eccentricity in a goniometer, using a detector arrangement consisting of four optical detector elements, and a rotational body comprising a plurality of pattern elements arranged around a pattern center, the rotational body being rotatably arranged about an axis. According to said method, at least some of the pattern elements are reproduced on the detector arrangement, the positions of the pattern elements reproduced on the detector arrangement are resolved, and the eccentricity of the pattern center in relation to a detector center of the detector arrangement is determined. A plurality of such eccentricity measurements for different rotational positions enables different influencing variables acting on the current eccentricity to be separated, especially by forming units.

Abstract: In order to derive a distance to a target object, in the detection of lower and upper dynamic ranges different detection methods are used simultaneously for the same light signal (6) in an optoelectric distance measuring method having at least one emission of at least one light signal onto a target object and one detection of the light signal (6) scattered back by the target object, wherein the upper dynamic range is recorded by means of a threshold value method and the lower dynamic range is recorded by means of signal scanning for the identification and temporal positioning of the back-scattered light signal (6).

Abstract: The invention relates to a hand-held measuring device (1a), comprising at least one rangefinder, embodied with integration of a positional detection component such that the positional detection component records the position (GP1,GPn) of the measuring device (1a) and the orientation of the rangefinder for each rangefinder measurement, whereby an automatically-controlled sequence of rangefinder measurements with corresponding positions (GP1,GPn) and orientations may be generated. All rangefinder measurements are recorded and correlated as field points (AP1,APn) in the form of a trace (SP) by means of said linked recording, such that complex calculations, such as for example, the measurement of inaccessible objects or the determination of the planarity of a surface are possible.

Abstract: A distance measuring method for detecting the spatial dimension of at least one target by at least one emission of a multiplicity of light pulses, in particular laser light, towards the target, detecting the light pulse scattered back by the target by means of a multiplicity of distance measuring pixels and eliminating the distance to the target for each pixel, wherein each light pulse can be detected within a measuring interval Ti from at least two partial intervals ti,j and the detection of at least one repetition constitutes a detection step performed in at least two stages wherein the measuring interval Ti is shortened from stage to stage.

Abstract: The invention relates to a method and a surveying system for noncontact coordinate measurement on the object surface (2) of an object (1) to be surveyed in an object coordinate system (O). With a 3D image recording unit (3), a first three-dimensional image (P1) of a first area section (S1) of the object surface (2) is electronically recorded in a first position (x1, y1, z1) and first orientation (?1, ?1, ?1), the first three-dimensional image (P1) being composed of a multiplicity of first pixels (i1), with which in each case a piece of depth information is coordinated. First 3D image coordinates (u1i, v1i, w1i) in an image coordinate system (B) of the 3D image recording unit (3) are coordinated with the first pixels (i1). The first position (x1, y1, z1) and first orientation (100 1, ?1, ?1) of the 3D image recording unit (3) in the object coordinate system (O) are determined by a measuring apparatus (4a, 4b) coupled to the object coordinate system (O).

Abstract: The invention relates to a hand-held measuring device (1a), comprising at least one rangefinder, embodied with integration of a positional detection component such that the positional detection component records the position (GP1,GPn) of the measuring device (1a) and the orientation of the rangefinder for each rangefinder measurement, whereby an automatically-controlled sequence of rangefinder measurements with corresponding positions (GP1,GPn) and orientations may be generated. All rangefinder measurements are recorded and correlated as field points (AP1,APn) in the form of a trace (SP) by means of said linked recording, such that complex calculations, such as for example, the measurement of inaccessible objects or the determination of the planarity of a surface are possible.