Abstract: Methods for correcting a rotational imbalance of a shaft are disclosed. The methods include determining a rotational imbalance of an unbalanced shaft, determining an imbalance correction and mapping the imbalance correction to predetermined points on the shaft. The imbalance correction can be implemented through the addition of mass to or the subtraction of mass from the shaft.

Abstract: A piping problem sensing data logger that acquires vibration data of high quality and improves the accuracy of problem sensing because the installation method can be standardized and that reduces the risk of being detached from piping and the possibility of being lost after someone detaches it because it can be stationary-installed. The piping problem sensing data logger (1) includes a bolt portion (10) and an antenna portion (13). The bolt portion (10) includes a bolt head portion (12) and a bolt thread (11). The antenna (13) is disposed on an opposite side of the bolt head portion (12) from the bolt thread (11) or disposed in the bolt head portion (12). The bolt head portion (12) includes a vibration detection element (121), a memory unit (122), a control unit (123), a wireless control unit (124), a clock device (125), and a power-supply device (126).

Abstract: A resonance generating apparatus for testing blade fatigue with reduced side load includes a mounting portion comprising a saddle including a groove corresponding to an external surface of a blade, and an assembling portion positioned on an external side of the saddle and joined by tightening members so that the saddle presses against the blade, a resonance generator including an actuator to generate a linear movement, a coupler(s) to maintain phase of a blade motion the same as an actuator rod, and a linear guide to guide a direction of linear reciprocating motion of an actuator body, and weights mounted on opposite faces of the actuator body to move in association therewith, and varied in a lengthwise direction of the blade so a center of gravity of moving masses of the actuator body in linear reciprocation and the additional weights is positioned on an axis of the actuator rod.

Abstract: A high sensitivity structural health monitoring network includes a plurality of sensor nodes disposed apart from each other and communicating through one or more sensor channels. The nodes include smart sensor circuit boards with an interface to a wireless smart sensor board platform, a multi-axis accelerometer having a measurement range and resolution set to provide sensitivity to measure ambient structural vibrations an analog to digital converter for converting signals that includes a plurality of individual channels being individually programmable for signal conditioning for providing data to the interface. A network framework provides network services including a time synchronization service with network-wide global timestamps for sensor data and a unified sensing service that supports collection of data for all sensor channels from all nodes together with a single set of associated time stamps.

Abstract: The present invention provides processes by which fatigue testing can be carried out by altering the vibrational characteristics of a component, but without physically altering the component itself. In particular the invention provides a method of performing high-cycle fatigue testing on a component, the method including the steps of: attaching one or more masses to the component to alter the stress distribution of the component under vibration; and carrying out high-cycle fatigue testing by exciting the component at a low fundamental frequency of the component. The component can then be tested at a low frequency, which is easier to excite, but fail in a position of the component characteristic of a more complex modeshape.

Abstract: A reference surface is moved, relative to an optical system, to a plurality of placement positions, and a wavefront of reflected light from the reference surface is measured at the respective placement positions by a detection unit. Based on information on the wavefront measured at the respective placement positions and information on the optical system, a plurality of pieces of shape data of the reference surface are calculated. Thereafter, a wavefront of reflected light from a measurement target surface is measured by the detection unit, and temporary shape data of the measurement target surface is calculated. Error data is calculated based on a relationship between the plurality of placement positions to which the reference surface is moved and the plurality of pieces of shape data at the respective positions, and the error data is removed from the temporary shape data thereby determining shape data of the measurement target surface.

Abstract: A method for determining information about an object including a curved portion and a planar portion, the curved portion having a first curved surface having an apex and defining an axis of the object, includes: directing measurement light to the object; detecting measurement light reflected from the first curved surface of the curved portion; detecting measurement light reflected from at least one other surface of the object; and determining, based on the detected light, information about the apex of the first curved surface of the curved portion.

Abstract: A method for determining information about a transparent optical element including a lens portion and a plane parallel portion, the lens portion having at least one curved surface and the plane parallel portion having opposing first and second surfaces, includes: directing measurement light to the transparent optical element; detecting measurement light reflected from at least one location on the first surface of the plane parallel portion; detecting measurement light reflected from the second surface of the plane parallel portion at a location corresponding to the at least one location on the first surface; determining, based on the detected light, information about the plane parallel portion; and evaluating the transparent optical element based on the information about the plane parallel portion.

Abstract: A zeroing method and zeroing device for an optical time-domain reflectometer (OTDR) are disclosed. The zeroing method includes: before starting the optical time-domain reflectometer, when a laser device is in an off state, sending a zeroing signal; and performing zeroing processing according to the zeroing signal. In the embodiments of the present invention, the feedback zeroing can be performed on a receiving circuit by utilizing the idle time prior to a test or during the test, thus the influence of an offset voltage is reduced, and a problem of operational-amplifier zero drift also can be solved in the meantime, which improves a detectability of the OTDR, and overcomes a disadvantage that a manual zeroing method is not intelligent and a measured waveform introduced in an automatic zeroing method is bad.

Abstract: A calibration method includes obtaining in-vehicle measured clutch torques at a set of shift conditions; performing a series of bench tests at various clutch pack clearances and lubrication oil flow rates at the set of shift conditions; adjusting clutch pack clearances and lubrication oil flow rates during the series of bench tests in response to a difference between a bench test measured clutch torques and the corresponding in-vehicle measured clutch torques exceeding a threshold; and recording relationships between first bench test measured torques and force profiles of a clutch actuator relative to the adjusted clutch pack clearances and lubrication oil flow rates for each of the set of shift conditions as a first transfer function in response to the difference between the first bench test measured clutch torques and the in-vehicle clutch torques not exceeding the threshold for each of the set of shift conditions.

Abstract: A sensor unit for a bearing including at least one inner ring and at least one outer ring, wherein the sensor unit is configured to detect at least one state variable of the bearing. The sensor unit is embedded in a recess of one of the inner ring or the outer ring.

Abstract: A method for processing data obtained from a condition monitoring system, wherein the method comprises a step of obtaining dynamic signal data in a form of a first time waveform including a number of samples from at least one sensor. The method comprises a step of creating a plurality of new time waveforms from the first time waveform, each of the plurality of new time waveforms having a smaller number of samples than the first time waveform, and at least one of transmitting, displaying or storing the plurality of new time waveforms instead of the dynamic signal time waveform data.

Abstract: A method for processing data obtained from a condition monitoring system, the method including steps of (a) obtaining an Acoustic Emission time waveform from at least one sensor and (b) digitally demodulating the Acoustic Emission time waveform.

Abstract: An exhaust gas measuring information processing apparatus of the present invention detects troubles etc. of a flow sensor during a flow rate measurement and performs predetermined processing relevant to maintenance and check of the flow sensor. The exhaust gas measuring information processing apparatus includes a reception circuit that receives a flow rate measurement signal indicating a flow rate measurement value of exhaust gas flowing through an exhaust gas tube of an internal combustion engine and an operational state signal indicating an operational state of the internal combustion engine, and a processing executing circuit that executes predetermined processing relevant to maintenance and check of the flow sensor that outputs the flow rate measurement signal when a predetermined correlation is not satisfied between an index value for the operational state indicated by the operational state signal and the flow rate measurement value indicated by the flow rate measurement signal.

Abstract: Systems and methods for ignition source testing with a flammable foam are disclosed. Flammable foam systems and methods for testing use a flammable foam that includes fuel and oxidant. Flammable foam is applied to a test article and an energy discharge is applied to the test article. Methods include determining whether the flammable foam ignited in response to the energy discharge.

Abstract: Compositions, films, collection devices, apparatuses, kits and methods related to biologic analyte collection and analysis include thin films of modified polycaprolactone. Methods of production and use thereof are described herein. The films, compositions, collection devices, kits and methods can be used for collection of fingerprints for both image capture and nucleic acid extraction and analysis.

Abstract: A system for acquiring a fluid sample from a flow pipe, comprising a sampling probe placed within the flow pipe, a curved separating pipe in fluid communication with the sampling probe, the separating pipe having formed therein an inwardly-opening lengthwise channel along the outside curve thereof, the separating pipe terminating in a sample area, and a lengthwise inwardly-opening sample passage in fluid communication between at least a portion of the sample area and a sample port, the sample passage being formed substantially opposite the channel, whereby inertial effects induced in the separating pipe cause relatively higher density inorganic and dead organic material to funnel into the channel and out a non-sample drain formed in the sample area substantially opposite the separating pipe while allowing live organisms to navigate the sample passage and out the sample port.

Abstract: A sample manipulator includes a drive system, a pair of flexure plates, and piezoelectric actuators. The drive system preferably includes a pair of drive pulleys on opposite sides of a driven pulley and coupled to the driven pulley by a drive belt. The sample rotates around a rotational axis with the driven pulley. The driven pulley is preferably driven by a pair of drive belts, one being located above the sample, and the other being located below the sample. Fluid bearings provide improved rotation of the driven pulley. The flexure plates are preferably monolithic with a high number of machined flex veins with the side of a tapered threaded screw being used to create the high force required to bend many flexures at the same time for sample motion and to provide fine, precise sub-micron motion control. The piezoelectric actuators provide high-precision control of the load on the sample.

Abstract: A particular composite test specimen includes a first tab, a second tab, and a gage section between the first tab and the second tab. The first tab, the second tab, and the gage section are machined from a composite test blank. The composite test blank includes a plurality of plies arranged with first ply layers having fibers oriented in a first direction and second ply layers having fibers oriented in a second direction, where the first direction is different than the second direction.

Abstract: Disclosed herein is a test apparatus for early landslide detection fully-connected with pore water pressure, surface displacement and shear surface. The test apparatus calculates a factor of safety of a slope based on variation in pore water pressure, surface displacement and shear surface of a soil mass, and predicts a change in factor of safety, thus making early landslide detection possible. In the test apparatus, while a container of a slider is moved with a soil mass loaded into the container, shear surface and surface displacement environment is provided, and the shear strength and the shear stress of the soil mass can be calculated based on the pore water pressure and the weight of the soil mass. Thereby, the factor of safety of the soil mass can be calculated, and early landslide detection can be realized by using variation of the factor of safety of the slope.

Abstract: A drop impact tester comprises a holder configured to hold a test piece and release the test piece such that the test piece drops in freefall; an impact surface disposed under the holder such that the test piece dropped from the holder hits the impact surface; and a drop angle measurement device configured to measure a drop angle which is a value correlated with an angle between a major surface of the dropped test piece and a reference plane. The tester further comprises an impact measurement device configured to move the impact surface from its first posing state to its second posing state to adjust an angle of the impact surface with respect to the reference plane based on the drop angle. The impact measurement device is configured to measure a drop impact applied to the impact surface by the dropped test piece or another test piece.

Abstract: A system for optimizing storage of gas in a storage vessel includes a storage vessel, a gas supply source selectively coupled to the storage vessel to supply gas to the storage vessel, a pressure gauge to measure a pressure within the storage vessel, a plurality of adsorbent materials, a measurement device configured to determine at least one of a weight or a mass of at least the storage vessel, and a computing device. Each of the plurality of adsorbent materials is separately disposed in the storage vessel for individual evaluation. The computing device is communicatively coupled to the measurement device and configured to process information based on the measured weight or mass determined by the measurement device. The computing device is configured to determine a density, an adsorption capacity, and a deadsorption rate of each adsorbent material disposed in the storage vessel based on information determined by the measurement device.

Abstract: An orthogonal superposition rotational rheometer that applies a rotational torque and an orthogonal axial oscillatory stress to a fluid. The rheometer uses a cylindrical bob in a double wall cup to apply shear rotational and axial forces to the fluid. Openings in the top section of the cylindrical bob reduce surface tension effects on the force measurement. Fluid pumping effects at the bottom of the rheometer's double wall cup are minimized by openings in the inner wall of the double wall cup that allow fluid to be displaced when the bob moves downwards.

Abstract: Embodiments of the invention include aerosol impactors comprising one or more micromechanical resonators. Impactors according to embodiments of the invention can provide size classification and/or concentration of aerosol particulate. Aerosol impactors can use an air flow device, such as a pump, to create a constant flow of air. Nozzles of varying diameters are used to separate particulate of varying sizes and the particles that pass through strike a measuring device. MEMS resonators can be integrated into arrays to provide mass sensitivity in a small, lightweight and cost effective package, which will effectively allow for the measurement of the mass of every micro/nanoscale particle landing on the surface.

Abstract: Disclosed is a size portable particle size distribution sampling device that is small enough to be carried by truckers and handled by terminal personnel. The device consists of multiple nesting screening (sieve) cups, with a sample cup at the top, a plurality of screening cups in sequence below the sample cup and a base container at the bottom. Methods of use are also disclosed.

Abstract: An object of the invention is to provide a technology that can timely collects particulates in sample water even when abnormality is observed in the result obtained by a measurement unit for measuring particulates in sample water. Provided is a particulate-measuring method comprising filtering sample water continuously, even when a measurement unit for measuring particulates in sample water and a filtration unit of filtering the sample water and collecting the particulates for analysis by direct microscopic method are both in operation and abnormality is observed in the result obtained by the measurement unit.

Abstract: A particulate matter measuring device includes: a diesel particulate filter (DPF) in which upstream side and downstream side openings of multiple cells partitioned by porous partition walls are alternately plugged; a pair of first electrodes received in a pair of first electrode cells arranged diagonally with a central cell therebetween; a pair of second electrodes received in a pair of second electrode cells arranged diagonally with the central cell therebetween; a first connecting member for connecting the first electrodes to each other; a second connecting member for connecting the second electrodes to each other; and a unit that calculates an amount of particulate matter trapped in the DPF on the basis of capacitance between the electrodes. The four cells which are adjacent to each other around the partition walls of the central cell and sandwiched between the first electrode cells and the second electrode cells are used as measurement cells.

Abstract: A particulate matter (PM) measuring device including a diesel particulate filter (DPF) that has a plurality of cells plugged alternatingly at upstream and downstream sides. The cells are compartmentalized by porous partition walls. At least one of the cells is a measurement cell. The device also includes a pair of electrodes inserted from the non-plugged side in a pair of cells that oppose each other sandwiching the measurement cell. The device also includes a PM accumulation amount calculating unit that calculates an amount of accumulated PM, which is collected in the DPF, on the basis of the capacitance between the electrodes. The electrodes include conductive wire cores that are covered with insulating layers.

Abstract: The present invention provides an apparatus for analyzing particles in a solution including a unit configured to place a flow cell having a flow path for flowing a sample solution containing the particles; a unit configured to illuminate the sample solution flowing through the flow path of the flow cell; a photodetector that detects a scattered light and/or fluorescence generated from the particles in the sample solution; and a unit configured to analyze the particles based on their signal intensities detected by the photodetector, wherein the flow cell has the flow path formed in a substrate, a reflection plane is formed on the side surface of the flow path, the reflection plane leads the lights generated in the flow path of the flow cell and advancing in the substrate in-plane direction to a specified region of the surface of the flow cell, and the photodetector detects the light exiting from the specified region to the outside.

Abstract: A method and device is disclosed for measuring one or more physical properties of, and/or induced by, out-gassing products released from and/or trapped within a joint in response to a lightning strike or other electrical current threat. A device for measuring one or more physical properties of, and/or induced by, gases, plasma and/or particles released from a joint in response to an electrical current threat. The joint includes a fastener passing through a structure so that an end of the fastener protrudes from the structure. The device includes a containment member having a base surrounding an opening into a cavity, the containment member being arranged to be mounted over the end of the fastener to enclose the end of the fastener within the cavity and to seal the opening; and one or more sensors arranged to measure physical properties of gases, plasma and/or particles contained by the cavity.

Abstract: A microfluidic device comprises: a channel extending from a plurality of inlets to a plurality of outlets, wherein the channel is bounded by a first wall and a second wall opposite from the first wall; and an array of obstacles disposed within the channel configured to deflect particles in a sample comprising the particles toward the second wall when the particles are flowed from the inlets to the outlets. The particles are inputted into at least one of the plurality of inlets and are deflected through a series of parallel flow streams flowing from the plurality of inlets to the plurality of outlets while being deflected toward the second wall, wherein streams in the parallel flows comprise a reagent. Microfluidic devices and methods greatly improve cell quality, streamline workflows, and lower costs. Applications include research and clinical diagnostics in cancer, infectious disease, and inflammatory disease, among other disease areas.

Abstract: A cross-cut tester includes a handle with a receiving cavity, and a plurality of blades received in the receiving cavity. One end of the handle defines an opening. The cross-cut tester further includes a plurality of gaskets received in the receiving cavity. The gaskets and the blades are positioned one-by-one, and are detachably fixed in the receiving cavity. The cross-cut tester of the present disclosure can effectively improve the efficiency of drawing lines and reduce the cost.

Abstract: A capvette for the optical examination of liquids comprises a cuvette component having a rectangular or square basal surface with four side walls terminating into an aperture, wherein said aperture is in communication with a sealable cap component comprising an opening for fluid passageway from a container into said cuvette component. The capvette and container combination, as a single unit allows reaction of fluid or growth of microorganism and measurement of optical density at desired time intervals. A direct method of measuring optical density comprises simply inserting the cuvette component of the capvette into a spectrophotometer.

Abstract: Improved flow cells, as well as systems and methods for using the improved flow cells, are provided.

Abstract: Absorption spectrometer and method for measuring the concentration of a gaseous component of interest in a measurement gas, wherein to compensate influence of changes in an optical path length in the absorption spectrometer on a measured result, light from the laser is modulated with at least one pilot frequency in the MHz range, the measurement signal is analyzed in a phase-sensitive manner for the pilot frequency, phase information obtained during this analysis is compared with phase information obtained during calibration of the absorption spectrometer, where the measured result is corrected as a function of the difference between the two items of phase information. Alternatively, light from the laser is modulated with two pilot frequencies, where signal components contained in the measurement signal with the pilot frequencies are detected in a phase-sensitive manner and the difference between the phase information of the two signal components obtained in this operation is analyzed.

Abstract: A sample test method, microfluidic device, and test device efficiently and accurately compensates for interference of an interfering substance present in a sample using optical measurement without addition of a separate reagent for detecting the interfering substance. The sample test method includes: measuring an optical characteristic value of a target substance present in a sample; measuring an optical characteristic value of an interfering substance present in the sample; and determining a concentration of the target substance for which interference of the interfering substance is compensated for based on the optical characteristic value of the interfering substance.

Abstract: A method of accurately measuring the concentration of at least one of an aqueous cleaning agent and soil in an aqueous cleaning process which includes providing a source of near infrared light emitting useful amounts of light with wavelengths between approximately 0.8 ?m and 2.5 ?m, transmitting the near infrared light from the light source to a probe, contacting the probe with a cleaning bath sample such that one of the absorption and the reflection of the light at one or more wavelengths can be measured, transmitting the light that has interacted with the sample to a detector, measuring the change in light intensity at one or more wavelengths in the near infrared region using a near infrared detector, generating an electronic signal that is representative of the change in intensity, applying chemometric techniques to quantitatively determine the concentration of the cleaning agent and or soil, and outputting the measured cleaning agent or soil concentration.

Abstract: Systems, methods, and apparatus for determining an electromagnetic (EM) spectrum scattered from a surface are disclosed. The disclosed method involves scanning an EM source to at least one EM source position. The method further involves illuminating, with the EM source, spectral energy to at least one target area on the surface for each of the EM source positions. Also, the method involves scanning a detector to a plurality of detector positions for each of the EM source positions. Additionally, the method involves detecting, with the detector, the EM spectrum scattered from at least one target area on the surface at each of the plurality of the detector positions for each of the EM source positions. Further, the method involves processing the EM spectrum detected at each of the plurality of the detector positions for each of the EM source positions to characterize the surface.

Abstract: A sensor device configured to be attached to a drug delivery device and configured to illuminate the drug delivery device when attached, the sensor device having an OLED having a transparent first electrode, a transparent second electrode and a central layer disposed between the first and second electrodes, the central layer comprising at least one organic layer, the at least one organic layer configured to emit light through the transparent first electrode, and an optical sensor arranged to receive light reflected from a surface of the drug delivery device, wherein the central layer of the OLED has a region without the at least one organic layer and wherein the optical sensor is arranged, when the sensor device is attached to the drug delivery device, to view a predetermined area of the surface of the drug delivery device through the region without the at least one organic layer.

Abstract: Disclosed is a scatterometry mark for determining an overlay error, critical dimension, or profile of the mark. The mark includes a first plurality of periodic structures on a first layer, a second plurality of periodic structures on a second layer, and a third plurality of periodic structures on a third layer that is underneath the first and second layer. The third periodic structures are perpendicular to the first and second structures, and the third periodic structures have one or more characteristics so as to result in a plurality of lower structures beneath the third periodic structures being screened from significantly affecting at least part of a spectrum of a plurality of scattered signals detected from the first and second periodic structures for determining an overlay error, critical dimension, or profile of the first and second periodic structures or at least one of such detected scattered signals.

Abstract: The present invention provides an SPR sensor cell having very excellent detection sensitivity, the SPR sensor cell including: an under-cladding layer; a core layer formed so that at least a part of the core layer is adjacent to the under-cladding layer; and a metal layer covering the core layer. In the SPR sensor cell, the core layer includes a uniform refractive index layer and a graded refractive index layer. The graded refractive index layer is arranged between the uniform refractive index layer and the metal layer. A refractive index of the graded refractive index layer is equal to or more than a refractive index of the uniform refractive index layer, and the refractive index of the graded refractive index layer increases continuously from a surface thereof on a uniform refractive index layer side to the metal layer side in a thickness direction of the graded refractive index layer.

Abstract: A fluorometer for measuring fluorescence of a sample includes an excitation source for emitting electromagnetic radiation along a first beam path to induce fluorescence in the sample. An excitation filter transmits electromagnetic radiation from the excitation source toward the sample. An excitation filter holder supports the excitation filter and defines an aperture for passage of electromagnetic radiation from the excitation source. The aperture is positioned asymmetrically relative to the first beam path such that the aperture allows an asymmetrical portion of the electromagnetic radiation in the first beam path to pass toward the sample and the excitation filter holder blocks passage of a corresponding asymmetrical portion of the electromagnetic radiation in the first beam path.

Abstract: A device including a transparent layer defining a surface exposed to a flow volume and to secure a target polynucleotide template and a detector structure secured to the transparent layer and including a plurality of detectors to detect a signal emitted during nucleotide incorporation along the target polynucleotide template.

Abstract: [Problem] To provide a fluorescent probe having a novel fluorophore. [Solution] A compound represented by general formula (I), or a salt thereof.

Abstract: The present disclosure a biochip including a side emitting-type light-emitting device, in which the bio-chip includes: a light-emitting device for emitting light from a fluorescent material; reflective layers provided over and under the light-emitting device so as to emit light from the sides of the light-emitting device; and reaction regions formed by etching of flanking regions of the light-emitting device. In the biochip, light emitted from the sides of the light-emitting device causes a biochemical reaction in the reaction regions. According to the present disclosure, light emitted from the light-emitting device moves only laterally without being transferred to the top or bottom of the bio-layer, and is transferred to the reaction regions formed by etching of flanking regions of the light-emitting device, so that a biochemical reaction in the reaction regions can be more efficiently performed.

Abstract: According to one aspect, the invention relates to a device for detecting a resonant non-linear optical signal of Stimulated Raman Scattering (SRS) type induced in a sample. The device comprises electro-optical means for making interact in the sample, at a first modulation frequency, trains of light pulses of angular frequencies ?1 and ?2 and, at a second modulation frequency, trains of light pulses of angular frequencies ?2 and ?3, such that ?2??1=?3??2=?R where ?R is a molecular vibrational resonant angular frequency of the sample. Moreover, the device comprises means for synchronous detection at the first and second modulation frequencies of non-linear optical signals resulting from the interaction of the light pulses in the sample, and electronic processing means making it possible to obtain, from electronic signals resulting from the synchronous detection, a signal characterizing the molecular vibrational resonance of the sample.

Abstract: A diagnostic system for an exhaust system of an internal combustion engine is disclosed. The diagnostic system comprises a catalyst component and a marker that undergoes a physical transition above a transition temperature of the marker. A method for determining if a catalyst component in an exhaust system for an internal combustion engine has been exposed to a deactivating temperature is also disclosed.

Abstract: An optical module for surface inspection includes a first light source unit that illuminates a substrate with first light produced by a first light source and a first beam splitter that changes the path of the first light, a second light source unit that illuminates the substrate with second light polarized in a first direction, a direction of polarization changing unit that illuminates the substrate with the third light polarized in a second direction perpendicular to the first direction, and a detection unit that detects fourth light which is a product of the first light reflecting from the substrate, fifth light which is a product of the second light scattered from the substrate, and sixth light which is a product of the third light scattered from the substrate. The third light is produced by changing the direction of polarization of the second light reflected from the inspected substrate.

Abstract: In an improved method for testing a tire, the tire is irradiated with electromagnetic radiation in the THz frequency range. The radiation reflected by the tire is received and evaluated.

Abstract: A light deflection detection module with a detection stage, a surface light source, at least two scanning cameras and a standard surface is provided. The detection stage is utilized for supporting an object. The surface light source is disposed above the detection stage, and emits a planar light to the detection stage. The at least two scanning cameras are disposed opposite the surface light source. The standard surface is disposed adjacent to the detection stage. When the surface light source emits the planar light to the detection stage, the planar light will be reflected by the surface of the object and the standard surface first, and then received by the at least two scanning cameras. A processor will perform a numerical analysis on the reflected planar light to obtain the detection data and to make the error correction.