Abstract: An odometry acquiring unit acquires odometry information including a yaw rate applied to a vehicle and a steering angle of the vehicle. An estimate calculating unit calculates an estimate of a turning radius based on the steering angle and the yaw rate acquired by the odometry acquiring unit. A change rate calculating unit calculates a yaw change rate representing a degree of change in the yaw rate acquired by the odometry acquiring unit. A contribution adjusting unit makes an adjustment of decreasing a contribution of the yaw rate and increasing a contribution of the steering angle, to calculation of an estimate performed by the estimate calculating unit, as the yaw change rate increases.

Abstract: An apparatus including an NC controller, a tactile system controlled by the NC controller and movable along a measurement axis, a workpiece receptacle for receiving a workpiece, a rotational drive for rotating the workpiece receptacle with the workpiece about an axis of rotation, and a contactlessly operating sensor device arranged on the tactile system and transferable from a first position into a second position by displacement relative to the tactile system.

Abstract: A course estimator has a first estimating means, a second estimating means and a determining means. The first estimating means obtains first information and estimating a first radius of a first forward traveling path on the basis of the obtained first information, the first forward traveling path being a part of a forward traveling path to which a vehicle is going to travel. The second estimating means obtains second information and estimating a second radius of a second forward traveling path on the basis of the obtained second information, the second forward traveling path being a part of the forward traveling path to which a vehicle is going to travel, the second forward traveling path being farther from the vehicle than the first traveling being.

Abstract: An ultrasonic testing equipment of the present invention includes: an ultrasonic probe having a plurality of transducers arranged along a predetermined annular curved surface; a transmission/reception control unit that causes at least two transducers selected from the plurality of the transducers to transmit the ultrasonic waves to and receive the same from the tubular test object and a ultrasonic testing waveform display unit which displays ultrasonic testing waveforms received by the selected transducers radially corresponding to the propagation directions of the ultrasonic waves transmitted from and received by the selected transducers.

Abstract: The invention relates to a method for measuring a ray r0 of a radiation beam (20), characterized in that it comprises the steps according to which a source (2) of a radiation beam (20) excites (S1) a standard member (1) via heat, in a periodic manner at a frequency (f), thereby obtaining a periodic thermal excitation of the standard member (1); a sensor (3) measures (S2) a periodic thermal response on the part of the standard member, in response to the periodic thermal excitation; a processor (4) determines (S3) a phase shift (?) between the periodic thermal excitation and the periodic thermal response; the source (2) exciting the standard member for a plurality of frequencies (f) and the processor (4) determining a phase shift for each frequency (f), and thereby determining a plurality of phase shifts (?); the processor (4) determines (S4) a minimum ? min of the phase shift (?) thanks to the plurality of phase shifts determined in this manner, and determines (S5) the ray r0 of the beam (20) via the following

Abstract: A measurement system is capable of accurately aligning the corresponding measurement points of a plurality of measurement targets to evaluate the measurement targets from measurement results. A measurement system includes a measuring instrument and a PC, the measuring instrument includes a spectroscopic unit that measures a measurement point of a measurement target and a camera that images surroundings in real-time. The PC displays an evaluation image of continuous image information, which is imaged and displayed by the camera on a display screen so as to be superimposed on a reference image of still image information, which has been imaged and stored in memory. By comparing the data obtained by measuring the measurement point in the evaluation image when both images overlap each other and the measurement data of the point in the reference image, it is possible to perform positioning easily and compare the measurement data.

Abstract: A system and method provide the capability to dynamically measure the diameter of a train wheel. An onboard sensor signals detection and loss of detection of a proximity plate having a predetermined length and placed along a direction of travel of the train. A signal generator generates a signal indicating the number of revolutions of the wheel. Based on the sensor signals indicating detection and loss of detection of the proximity plate, the length of the proximity plate, and the corresponding number of wheel revolutions, a controller automatically calculates the wheel diameter.

Abstract: A module for the dimensional analysis of a plate-holding cylinder includes a plurality of boxes, in table form, each of which corresponds to a surface portion of an outer surface of the plate-holding cylinder and is indicative of the dimensional deviation of a surface portion with respect to the nominal diameter of the plate-holding cylinder. A process and an apparatus for dimensional analysis of the plate-holding cylinder are also provided.

Abstract: While the typically-collected diameter data contains information for detecting some garter springs, many garter springs may not be detected without processing the diameter data. Responsively, a method for processing the diameter data to detect the garter springs has been developed. In particular, the processing involves fitting of the diameter data to a shape, determining residual errors and using the residual errors to locate garter springs.

Abstract: The present disclosure presents a wheel diameter variation-detecting device capable of properly detecting relative variation in diameter between a plurality of wheels of a vehicle. The wheel diameter variation-detecting device can detect variation in diameter between a plurality of wheels of a vehicle, can detect rotational speeds of the respective wheels, and can calculate a variation parameter indicative of variation in diameter between the wheels using one of the wheels as a reference wheel, based on a result of comparison between the rotational speed of the reference wheel and that of one of the wheels other than the reference wheel. Further, the wheel diameter variation-detecting device can learn the variation parameter based on a value obtained by averaging a plurality of values of the variation parameter obtained before the detected travelled distance reaches a predetermined distance.

Abstract: The invention relates to a method for measuring a ray r0 of a radiation beam (20), characterized in that it comprises the steps according to which a source (2) of a radiation beam (20) excites (S1) a standard member (1) via heat, in a periodic manner at a frequency (f), thereby obtaining a periodic thermal excitation of the standard member (1); a sensor (3) measures (S2) a periodic in thermal response on the part of the standard member, in response to the periodic thermal excitation; a processor (4) determines (S3) a phase shift (?) between the periodic thermal excitation and the periodic thermal response; the source (2) exciting the standard member for a plurality of frequencies (f) and the processor (4) determining a phase shift for each frequency (f), and thereby determining a plurality of phase shifts (?); the processor (4) determines (S4) a minimum ? min of the phase shift (?) thanks to the plurality of phase shifts determined in this manner, and determines (S5) the ray r0 of the beam (20) via the follow

Abstract: A geohash based cover for a geometry whose uncertainty is described as a circle with center point and a radius is disclosed. In one example, a geohash cover is computed that does not require any expensive geodesic calculations, providing roughly an order of magnitude improvement in speed up of cover calculation. In another example, distance computations are exact compared to a conventional process. In another example, the geohashes returned by the technique can vary between 4 to 9—with a median 6 (a certain conventional process would always return 9 hashes (all the 8 neighbors and the self geohash)). In another example, results are accurate, while still avoiding expensive geodesic computations.

Abstract: A method and apparatus for determining a coincidence window for imaging a region of interest of an object using a Positron Emission Tomography (PET) scanner. The method includes determining a diameter of a transverse field of view (FOV) for imaging the region of interest of the object; and calculating the coincidence window based on the determined diameter, a ring diameter of the PET scanner, an axial length of the PET scanner, and a time-of-flight resolution of the PET scanner.

Abstract: A method according to one embodiment includes selecting an initial radius value (Rfull) for an outgoing reel, where Rfull is the initial radius of a tape on the outgoing reel; unwinding the tape from the outgoing reel; computing a radius value of the tape on the outgoing reel during the unwinding; adjusting the computed radius with an offset calculated from a direct measurement of velocity from the tape position; and outputting the adjusted computed radius. A method according to another embodiment includes selecting an initial radius value (R0) for an incoming reel, where R0 is the initial radius of the incoming reel; winding the tape onto the incoming reel; computing a radius value of the tape on the incoming reel during the winding; adjusting the computed radius with an offset calculated from a direct measurement of velocity from the tape position; and outputting the adjusted computed radius.

Abstract: A measurement method of the present invention is a measurement method which measures a target divided into a plurality of partial regions to measure a whole shape of the target by stitching the plurality of partial regions. The measurement method comprises Steps S501 to S511 which measures a plurality of partial regions, Step S102 which determines an error in a partial region that is a reference, Step S105 which calculates each of errors in the plurality of partial regions, and Step S107 which performs a correction depending on each of the errors to stitch the plurality of partial regions. Steps S102 to S107 are repeatedly performed by changing the partial region that is the reference (S110).

Abstract: Methods and systems for determining a maximum pore size in a distribution of varying-sized spherical particles are disclosed. One method includes distributing a plurality of particles within a volume, and, at each point unoccupied by a particle, inscribing a sphere and determining a size of the sphere. The method further includes determining a maximum size of a sphere from among the spheres inscribed at each unoccupied point, thereby locating a maximum pore size location within the volume.

Abstract: A method and apparatus for determining a coincidence window for imaging a region of interest of an object using a Positron Emission Tomography (PET) scanner. The method includes determining a diameter of a transverse field of view (FOV) for imaging the region of interest of the object; and calculating the coincidence window based on the determined diameter, a ring diameter of the PET scanner, an axial length of the PET scanner, and a time-of-flight resolution of the PET scanner.

Abstract: A measurement method for thread parameters for a threaded object (3), by means of a measurement device (1) defining a spatial reference system (X, Y, Z) incorporating an optical sensor (5) to retrieve the shape of the threaded object, and defining a spatial reference system (X?, Y?, Z?), the measurement device (1) having a computer to assemble a first matrix that describes the quadratic form representing the threaded object in the spatial reference system (X, Y, Z), thus providing the relationship between the two spatial reference systems.

Abstract: Disclosed is a bore measurement unit having an elongate main body with first and second ends. A first adjustment mechanism is disposed near the first end and a second adjustment mechanism is disposed near said second end. The adjustment mechanisms expand or contract, through triangulating arms, to relative diameters, such that when the unit is inserted into a hollow bore it may be centered therein. A measuring portion of the unit measures the internal diameter of the bore. The measuring unit includes at least one sensor and preferably takes more than three readings at each distance of insertion to formulate a best fit circle of the inner bore diameter.

Abstract: The present invention is directed to automated apparatuses and methods for measuring fastener hole depth, fastener length, countersink depth and/or hole diameters in a workpiece (or other object) in an automated and extremely rapid, efficient and accurate manner. The apparatuses may be operably connected with a power source and with one or a plurality of computers or other data collection devices to transmit fastener hole depth, countersink depth and/or hole diameter measurement data and/or information to them each time that a fastener hole is measured, while the apparatus is continuously measuring fastener holes (i.e., with no interruptions).

Abstract: This invention relates to a method of making a helmet using a preform subassembly with arms which have an area that matches a perimeter profile of a specified geometric shape. By use of the area matching perform with arms, the thickness of the helmet is more uniform, seams in the preform can be minimized, and the ballistic resistance of the resulting helmet can be increased.

Abstract: A marker system and method are provided that can determine a shape and an axial location of a rotationally symmetrical hole in an instrument having a plurality of instrument markers.

Abstract: A measurement apparatus calibrated to measure an absolute diameter of a part in a shop floor environment. The measurement apparatus includes a calibration that includes compensation factors for thermal expansion, shifting of measurement parts (arm, support tower, and related laser), and variances of these parts. The resulting measurements report an absolute diameter of a part to a higher degree of accuracy than previously possible. Also, the calculated compensation factor eliminate the need for an isolated, climate-controlled measurement room.

Abstract: A particle analytical device comprises a light receiving part that receives the scattered light emitted from the particle group on which the light and that outputs an electric current signal, a data processing part that processes data based on time series data of a number of pulses obtained by the electric current signal, and a control part that halts a movement of the light receiving part in case that the overcurrent is detected based on the electric current signal and that restarts the movement of the light receiving part after a predetermined time passes and is characterized by that the data processing part holds the time series data until the light receiving part is halted and processes the data after the movement of the light receiving part is restarted by the use of the held time series data and the time series data obtained after the restart.

Abstract: A working route of a main shaft is divided into a plurality of measurement points, and a length from a center of a complete round to the working route of the main shaft at each of the measurement points is measured, and this measured value is compared with a radial length of the complete round to operate a deviation amount from the complete round at each of the measurement points. This deviation amount is utilized to find a transferred position. As correction values for correcting the deviation value, an X-axis incremental amount and a Y-axis incremental amount obtained from a difference in the transferred position between the respective measurement points, or an X-axis absolute value and a Y-axis absolute value of the transferred position at each of the measurement points are incorporated into an NC working program to perform complete round working according to the program.

Abstract: In the present invention, by inputting an upper head size to a computer in addition to a front & back length-size and a right & left width-size of a head portion of a helmet wearer and by data-processing them, there is employed a configuration in which a kind of the helmet size and a shape of a pad such as a pad, in the region consisting of the head-top portion and the vicinity thereof, or the like, which fit the head portion of the helmet wearer, are to be selected. According to the present invention, it is possible to provide a selection method in which it is possible to easily select a kind of a preferable size of the helmet, and a preferable shape of the pad in the region consisting of the head-top portion and the vicinity thereof.

Abstract: A method for aligning a sphere to a desired orientation includes imaging a non-surface alignment feature of the sphere and calculating a current orientation of the sphere based on an image of the non-surface alignment feature. Using these calculations, a relationship between the current orientation of the sphere and the desired orientation of the sphere is calculated and communicated to a motion control device, and aligning the sphere into the desired orientation using the motion control device.

Abstract: A system calculates axial deformation of a turbine rotor. The system includes an input part that sets measurement points of rotor disks that constitute the turbine rotor; a deflection amount detection part that derives radial displacement amounts of the turbine rotor for at least four or more measurement points along an outer surface in a circumferential direction of the turbine rotor based on measured values measured by a displacement gage; a storage part that stores the radial displacement amounts and measured angles at the measurement points; and a calculation part that calculates misalignment data of a most probable circle of the turbine rotor based on data stored. The calculated circle is calculated from the displacement amount and the measured angles. The most probable circle is determined from the calculated circle, and the misalignment data of the most probable circle is calculated from the most probable circle.

Abstract: A method to determine the misalignment and/or clearance of a door relative to its frame includes a phase to determine a law of variation of the clearance and/or misalignment values for the different inspection points, in relation to various opening positions of the door taken with respect to a reference position in which the door occupies its closed position, a measurement phase in which the door occupies any position relative to the frame, and during which the clearance and/or misalignment values are measured, and a phase to take into account the measured clearance and/or misalignment values and the law of variation so as to determine the true values of clearance and/or misalignment at the different inspection points corresponding to the door in its reference closed position.

Abstract: A linear measurement device for digitally providing circumference and diameter readings of an object being measured. The tail end of a tape passes by a reader element in a digital unit which is equipped electronically with the pi formula to provide selective readings of diameter in English and metric units, as well as circumference readings. The device can be employed for external (outside) and internal (inside) measurements.

Abstract: A measurement apparatus calibrated to measure an absolute diameter of a part in a shop floor environment. The measurement apparatus includes a calibration that includes compensation factors for thermal expansion, shifting of measurement parts (arm, support tower, and related laser), and variances of these parts. The resulting measurements report an absolute diameter of a part to a higher degree of accuracy than previously possible. Also, the calculated compensation factor eliminate the need for an isolated, climate-controlled measurement room.

Abstract: In a method of calculating misalignment of a rotational body, radial displacement values are measured using a displacement gauge. A calculation part performs the steps of deriving radial displacement amounts of the rotational body for at least four or more measurement points along an outer surface while rotating the rotational body, selecting three arbitrary points to calculate a circle, calculating circle values for all the measurement points, calculating differences between the calculated circle values and the radial displacement amounts as error amounts, summing the error amounts to derive a total error amount, repeating circle calculation for different combinations and calculating a total error amount for each calculated circle, selecting a circle with a minimum total error amount as a most probable circle, and calculating deviation between the center of the most probable circle and the center of rotation of the rotational body.

Abstract: Disclosed is a bore measurement unit having an elongate main body with first and second ends. A first adjustment mechanism is disposed near the first end and a second adjustment mechanism is disposed near said second end. The adjustment mechanisms expand or contract, through triangulating arms, to relative diameters, such that when the unit is inserted into a hollow bore it may be centered therein. A measuring portion of the unit measures the internal diameter of the bore. The measuring unit includes at least one sensor and preferably takes more than three readings at each distance of insertion to formulate a best fit circle of the inner bore diameter.

Abstract: The invention relates to a method for testing the driftability of metal tubes, wherein a cylindrical drift body having a defined diameter and a defined length is guided through the tube with defined force for ensuring a predetermined internal diameter and a minimum straightness. Virtual drifting is hereby performed instead of the physical drift operation.

Abstract: A measurement apparatus calibrated to measure an absolute diameter of a part in a shop floor environment. The measurement apparatus includes a calibration that includes compensation factors for thermal expansion, shifting of measurement parts (arm, support tower, and related laser), and variances of these parts. The resulting measurements report an absolute diameter of a part to a higher degree of accuracy than previously possible. Also, the calculated compensation factor eliminate the need for an isolated, climate-controlled measurement room.

Abstract: Systems and methods are provided for determining the size of particles within a fluidized bed reactor. The pressure of gas adjacent a gas inlet and adjacent a gas outlet of the reactor are measured with pressure sensors. An algorithm is applied to at least one of the pressure measurements to determine the size of particles within the reactor. The determined size of the particles can be used to control the operation of the reactor. A dosing system and method is provided for measuring defined volumes of particles for transport to the reactor.

Abstract: Methods are disclosed wherein the structural health of a civil structure, such as, but not limited to, a bridge or the like is measured by electronic distance measurement (EDM) from a plurality of stable locations to a plurality of cardinal points on the structure in a methodical manner. By measuring the coordinates of the cardinal points, the dynamic and long-term static behavior of the structure provide an indication of the health of the structure. Analysis includes: comparison to a Finite Element Model (FEM); comparison to historical data; and modeling based on linearity, hysteresis, symmetry, creep, damping coefficient, and harmonic analysis.

Abstract: An infusion pump having a tubing clamping section including a movable and a stationary portion. The infusion pump includes at least one sensor for detecting a contact length of tubing within the movable and/or the stationary portion. The infusion pump includes a shuttle having a shuttle stationary and a shuttle moveable portion, and is configured to squeeze a length of the tubing between the shuttle portions. The infusion pump includes a motor connected to the shuttle moveable portion via a shaft. The motor moves the shuttle moveable portion towards and away from the shuttle stationary portion. The infusion pump includes a controller and an encoder that detects a position of the shaft. The controller converts the detected position into a travel distance of the shuttle moveable portion, and calculates a diameter and a thickness of the tubing based on the travel distance and the contact length of the tubing.

Abstract: The invention provides an apparatus and a method for measuring a dimension of a circular object. First to third sensors arranged in a straight line are disposed above a track to respectively measure time instants when the circular object moves past the first to third sensors. The dimension of the circular object is calculated according to distances between the first and second sensors and between the second and third sensors.

Abstract: A method and hand-held scanning apparatus for three-dimensional scanning of an object is described. The hand-held self-referenced scanning apparatus has a light source for illuminating retro-reflective markers, the retro-reflective markers being provided at fixed positions on or around the object, a photogrammetric high-resolution camera, a pattern projector for providing a projected pattern on a surface of the object; at least a pair of basic cameras, the basic camera cooperating with light sources, the projected pattern and at least a portion of the retro-reflective markers being apparent on the 2D images, a frame for holding all components in position within the hand-held apparatus, the frame having a handle, the frame allowing support and free movement of the scanning apparatus by a user.

Abstract: A system and method for detecting motion by a mobile device is provided. The mobile device determines whether motion is detected by a motion detector. The motion detection is sampled at a first sampling rate when no motion is detected for a specified time. The motion detection is sampled at a second sampling rate when motion is detected, wherein the second sampling rate is more frequent than the first sampling rate.

Abstract: The invention relates to a method for testing the driftability of metal tubes, wherein a cylindrical drift body having a defined diameter and a defined length is guided through the tube with defined force for ensuring a predetermined internal diameter and a minimum straightness. Virtual drifting is hereby performed instead of the physical drift operation.

Abstract: A body composition measuring instrument includes a body composition calculating unit for calculating the body composition of a user by using a plurality of electrodes, a reference value storage region for storing information of a reference value related to the past body composition of the user, a display control unit for performing a control to display a position of the body composition during the time calculated by the body composition calculating unit in reference to a line showing the reference value on a predetermined graph, and a display section for providing a display corresponding to the output from the display control unit.

Abstract: The present invention is directed to automated apparatuses and methods for measuring fastener hole depth, fastener length, countersink depth and/or hole diameters in a workpiece (or other object) in an automated and extremely rapid, efficient and accurate manner. The apparatuses may be operably connected with a power source and with one or a plurality of computers or other data collection devices to transmit fastener hole depth, countersink depth and/or hole diameter measurement data and/or information to them each time that a fastener hole is measured, while the apparatus is continuously measuring fastener holes (i.e., with no interruptions).

Abstract: A CPU (170) of a human subject index estimation apparatus (1) computes a waist circumference based on body weight measured by a weight scale (110) and bioelectric impedance measured by a bioelectric impedance measurement unit (200A), and information such as age and height which was input through input unit (150). The computed waist circumference is stored, along with the information such as age and height, in a third storage unit (140) that is a rewritable non-volatile memory. The CPU (170) displays the waist circumference on display unit (160).

Abstract: A magnetic-sensor controller includes an input section, a perpendicular-bisector calculation section, a storage section, and a setting section. The input section successively inputs a plurality of magnetic data sets successively output from a three-dimensional magnetic sensor. Each magnetic data includes three components. The perpendicular-bisector calculation section calculates, for each pair of two of the magnetic data sets, a perpendicular bisector of two points corresponding to the two magnetic data sets. The storage section stores a plurality of perpendicular bisectors. The setting section statistically approximates, by a single point, a region where the plurality of perpendicular bisectors stored in the storage section meet, and sets an offset of the magnetic data set on the basis of the single point. The magnetic-sensor controller enables accurate setting of an offset even when the magnetic field strength changes.

Abstract: Methods are disclosed wherein the structural health of a civil structure, such as, but not limited to, a bridge or the like is measured by electronic distance measurement from a plurality of stable locations to a plurality of cardinal points on the structure in a methodical manner. By measuring the coordinates of the cardinal points, the dynamic and long-term static behavior of the structure provide an indication of the health of the structure. Analysis includes; comparison to a Finite Element Model (FEM), comparison to historical data, linearity, hysteresis, symmetry, creep, damping coefficient, and harmonic terms.

Abstract: This method for measuring the diameter of a circular track on a component comprises: a) a step (162) of moving the component along a measurement path, b) as the component is moving along the measurement path, a measurement step (170), for measuring at least one parameter, without contact with the component, c) a step (186) of determining the diameter of the circular track from the parameters measured. During step a) a robot continuously moves the component at an instantaneous speed that is never zero along the measurement path and an instantaneous acceleration that never changes sign along the measurement path.

Abstract: A method is disclosed whereby a laser-based spherical coordinate measurement system is dynamically calibrated. A mechanical oscillator, such as, but not limited to, a Foucault pendulum is used to generate periodic motions which can be fitted to Fourier series models. The residuals between the experimental measurements and the model can provide information which can be used to calibrate the instrument. The calibration information is used to augment the ASME B89.4.19-2006 standard to improve sensitivity to cyclic errors and include the servo systems.

Abstract: Metrology systems and methods for lithography processes are disclosed. In one embodiment, a method of manufacturing a semiconductor device includes providing a mask having a plurality of corner rounding test patterns formed thereon. A first semiconductor device is provided, and a layer of photosensitive material of the first semiconductor device is patterned with a plurality of corner rounding test features using the mask and a lithography process. An amount of corner rounding of the lithography process is measured by analyzing the plurality of corner rounding test features relative to other of the plurality of corner rounding test features formed on the layer of photosensitive material of the semiconductor device. The lithography process or the mask is altered in response to the amount of corner rounding measured, and a second semiconductor device is provided. The second semiconductor device is affected using the altered lithography process or the altered mask.