Abstract: A depth gauge and tube size identification tool that includes a housing that includes a first opposed side portion, a second opposed side portion, a top portion, and a bottom portion. An open face disposed within the housing and positioned between the first opposed side portion, the second opposed side portion, and the top portion. Two or more curved elements are disposed within the open face having a curved face portion with a radius of curvature that corresponds with the outside diameter of a tube intended to be inserted into the at least one curved element for identifying the tube size.

Abstract: The present application provides a bump check tool for determining a clearance between a shim of a thrust bearing and a rotor flange of a rotor shaft within a casing of a gas turbine engine. The bump check tool includes a hydraulic cylinder, a connection plate attached to the hydraulic cylinder and positioned about the rotor shaft and a support frame supporting the hydraulic cylinder and attached to the casing. The hydraulic cylinder drives the connection plate and the rotor shaft to determine the clearance between the shim of the thrust bearing and the rotor flange of the rotor shaft.

Abstract: An extensometer structure comprising a first extension arm having a first mount configured to support a first specimen engaging member and a second extension arm having a second mount configured to support a second specimen engaging member. A cross-flexure assembly is formed between the first extension arm and the second extension arm remote from the first mount and the second mount. The cross-flexure assembly may include a first flexure and a second flexure each joined to and extending between the first extension arm and the second extension arm. The second flexure is orthogonal to the first flexure to form a pivot axis, the second flexure extending only on one lateral side of the first flexure from the first extension arm to the second extension arm and the first flexure extending only on one lateral side of the second flexure from the first extension arm to the second extension arm.

Abstract: An optical measurement system measuring optical parameters of an object is provided. The object includes at least two light-transmitting layers. The optical measurement system includes a light source module, an image capture module, and a controller. The light source module emits at least two measurement light beams toward the object. The measurement light beams are respectively incident on the object at different angles. The image capture module receives light spots formed on a sensing surface of the image capture module by at least two first light beams after the measurement light beams are reflected by the object and at least two second light beams after the measurement light beams are refracted and reflected between the object. The controller is electrically connected to the image capture module to obtain positions of the light spots. The controller calculates the optical parameters of the object according to the positions of the light spots.

Abstract: A cabin entry-and-exit structure, an analysis device and an analysis system are provided. The cabin entry-and-exit structure includes a carrier body, a guide support assembly and a door opening-and-closing assembly. The carrier body is configured to bear the loading part; the guide support assembly is disposed on a base board in a cabin body of the analysis device, is configured to support the carrier body, and is movably connected to the carrier body so that the carrier body is movable; the door opening-and-closing assembly is disposed on the base board and located on a side of the carrier body far away from a door, configured to apply a pushing force to the carrier body towards the exit direction when the carrier body is subjected to a pressing force and to lock the carrier body at a cabin closing position when the carrier body is subjected to a pressing force again.

Abstract: A swept-source optical coherence tomography (SS-OCT) apparatus includes a plurality of wavelength-tunable light sources. The SS-OCT apparatus includes a first optical coupler configured to receive an output from each of the plurality of wavelength-tunable light sources. The optical coupler is configured to split the received output from the plurality of wavelength-tunable light sources into a reference optical path and a sample optical path. The sample optical path is configured to illuminate a sample. The SS-OCT apparatus includes a second optical coupler configured to receive return optical signals from the reference optical path and the sample optical path, and to output an optical interference signal. The SS-OCT apparatus includes a detector configured to detect the optical interference signal; and a controller configured to receive an electrical signal based on the detected optical interference signal. The controller is configured to generate a depth profile of the sample using compressed sensing.

Abstract: Disclosed is a Brillouin-optical coherence tomography angiography (OCTA)-speckle multi-mode elastography system device, including a Brillouin-OCTA sample scanning unit, a Brillouin scattering elastography system, an OCTA system, a speckle detection system, and a time sequence controller. According to the present invention, advantages that the Brillouin scattering elastography system can perform high-resolution measurement on a bulk elasticity modulus, the OCTA system can perform high-resolution structure imaging, and the speckle detection system can perform wide-field blood flow velocity measurement are utilized to perform in-situ synchronous imaging on a blood vessel structure and elasticity distribution, and to quantify a blood flow velocity, so that scientific basis and technical support are provided for early diagnoses of clinical blood vessel diseases.

Abstract: This disclosure generally relates to an optical coherence tomography (OCT) system. This disclosure particularly relates to an OCT system with a multi-pass dispersion compensation cell incorporated into its reference arm. This disclosure further relates to a hand-held compact OCT system suitable for inspection of an ear of a mammal.

Abstract: A compact possibly all free-space line-field swept source OCT system with a tunable cat's-eye laser is used to control and optimize the operation of a biological system.

Abstract: Method and system for inspecting hollow glass products of glass product material, wherein the glass products are manufactured by: a. heating the glass product material; b. forming the heated glass product material into at least one glass product; c. cooling the formed glass product; wherein inspecting the glass products comprises the following steps: d. transporting the glass products formed in step b. successively along a predetermined path along at least one infrared light sensitive sensor wherein, with the at least one sensor, of a plurality of the glass products that are transported successively along the at least one sensor, with the at least one sensor per glass product an image is made, wherein step d. is carried out between steps b. and c.; e. processing the images made in step d. for obtaining information about a wall thickness of the glass products.

Abstract: The present disclosure relates to an optical fiber strain measurement method including, in order: a strain amount measurement step S2 of measuring a strain amount ?n? of each core wire of an optical fiber ribbon F; a torsion angle calculation step S3 of calculating a torsion angle ? per unit length of the optical fiber ribbon F on the basis of a difference ?? in strain amount between an outer core wire and an inner core wire; a torsional strain amount calculation step S4 of calculating a strain amount ?n caused by torsion of each core wire of the optical fiber ribbon F on the basis of the torsion angle ?; and a tensile strain amount calculation step S5 of subtracting the strain amount ?n from the strain amount ?n?, and calculating a strain amount ??n caused by tension of each core wire of the optical fiber ribbon F.

Abstract: A digital speckle based online water wall stress monitoring method and device, and the method includes the following steps: arrange an online stress monitoring device on the side of the water wall to be monitored; determine a plurality of monitoring points according to the area of the water wall, and set the motion track of the online stress monitoring device for speckle image acquisition according to the determined monitoring points; acquire the real-time speckle image of each monitoring point in real time after acquiring the initial speckle image of each monitoring point; compare the real-time speckle images with the initial speckle images, and determine whether the stress of the water wall changes according to the comparison results. The invention adopts non-contact digital image technology, and determines the difference between the real-time and initial speckle images of the water wall to realize the stress monitoring.

Abstract: Systems and methods for generating volumetric data are disclosed. Such systems and methods may include scanning a sample at a plurality of focal planes located along a depth direction of the sample. Such systems and methods may include generating, via a detector of a metrology sub-system, a plurality of images of a volumetric field of view of the sample at the plurality of focal planes. Such systems and methods may include aggregating the plurality of images to generate volumetric data of the volumetric field of view of the sample. The metrology sub-system may include a Linnik interferometer.

Abstract: A measurement apparatus (1) for measuring a shape of a surface (2) of a test object (3), in particular an optical surface (2) by interferometry, has: an illumination device (4) with an illumination source (5) for generating an illumination wave (6), an interferometer device (7) with a splitting element (8) for splitting the illumination wave into a test wave (9) directed at the surface (2) and into a reference wave (10), and for combining the returning test wave (9), having interacted with the surface to be measured, with the reference wave (10), a registration device (11) for registering and evaluating an interference pattern to determine a deviation of the measured surface shape from a target shape, and a control device (12) configured to split the surface (2) to be measured into a plurality of individual areas (13) to be measured.

Abstract: A metrology target includes a first target structure set having one or more first target structures formed within at least one of a first working zone or a second working zone of a sample. The metrology target includes a second target structure set having one or more second target structures formed within at least one of the first working zone or the second working zone. The first working zone may include a center of symmetry that overlaps with a center of symmetry of the second working zone when an overlay error of one or more layers of the sample is not present. The metrology target may additionally include a third target structure set, a fourth target structure set, or a fifth target structure set.

Abstract: A rolling master fixture for calibration of a wheel alignment station and/or measurement devices thereof is provided. The rolling master fixture includes a support frame, two rear wheels mounted to the support frame, two front wheels mounted to the support frame through a front wheel mounting arrangement, and a steering arrangement for steering the front wheels. The rolling master fixture enables calibration of king pin angle and caster angle, through the turnably mounted front wheels.

Abstract: An ultrasonic sensor assembly (1) for a motor vehicle (16) comprises: an ultrasonic sensor (2) having a housing (4), an ultrasonic membrane (5) mechanically decoupled from the housing (5) and a sound transducer element (7) for exciting vibrations and detecting vibrations of the ultrasonic membrane (5); and a screen section (3) arranged in front of the ultrasonic membrane (5) and made of an acoustic metamaterial. The metamaterial is preferably a broadband metamaterial, which can be tunneled in a non-resonant manner in an angular range. The screen section (3) may preferably be formed in a shaped part (13), such as a bodywork metal sheet of the exterior skin or an interior paneling, of the motor vehicle (16).

Abstract: An air-conditioning apparatus includes an outdoor unit, at least one indoor unit connected to the outdoor unit by a refrigerant pipe, a transmission line provided to extend along the refrigerant pipe, and a measuring device that measures a length of the refrigerant pipe from the outdoor unit to the at least one indoor unit, based on an indoor unit signal for measurement of the length of the refrigerant pipe that is transmitted from the at least one indoor unit through the transmission line.

Abstract: An automatic measuring device includes a micrometer including a spindle that moves forward and backward to be brought into contact with or away from a workpiece and a displacement detector unit that detects displacement of the spindle, and an automatic operation unit that automates the forward and backward movement of the spindle by power. The automatic operation unit performs a first forward-movement step of moving the spindle forward to bring the spindle into contact with the workpiece, and a contact determination step of determining the contact between the spindle and the workpiece in the first forward-movement step. In the contact determination step, the spindle is determined to be in contact with the workpiece when a change in a position of the spindle detected by the displacement detector unit in the first forward-movement step becomes equal to or less than a predetermined contact determination threshold.

Abstract: A tire inspection system includes a data acquisition unit, a user operation acknowledgment unit, and a display processing unit. The data acquisition unit acquires data for groove depth measured by a groove depth measurement instrument for measuring a groove depth of a tire. The user operation acknowledgment unit acknowledges a user operation input provided by a worker to indicate whether an uneven wear is identified in the tire for which the data for groove depth is acquired by the data acquisition unit. The display processing unit displays, when a user operation input acknowledged by the user operation acknowledgment unit indicates that an uneven wear is identified, a schematic diagram corresponding to a plurality of types of uneven wear. The user operation acknowledgment unit acknowledges a user operation input for the worker's selection of a type of uneven wear from the schematic diagram.

Abstract: Disclosed herein is a watertight cap for an angle sensor cover. The watertight cap installed on a cover installed on an upper end of an angle sensor housing includes a lower portion having a tapered shape toward a lower side, an intermediate portion extending upwardly from the lower portion, a cap portion having a larger diameter than a diameter of the intermediate portion, and an upper portion protruding upwardly from an upper surface of the cap portion.

Abstract: A platform gauge instrument and a platform gauge measuring method based on a photogrammetric principle are provided. According to the platform gauge instrument, measuring stations are arranged on both sides of a platform, and the measuring stations on both sides work together to ensure the acquisition of complete platform information. The measuring stations have automatic traveling capability to complete scanning of a whole platform, platform information obtained by the scanning is automatically resolved by a measuring system, and gauge dimensions such as a transverse dimension and a vertical dimension of a platform gauge are resolved through parameters such as object-space coordinates of platform edge points, a space equation of intersection lines of upper surfaces of rails and a measuring cross-section, and common tangent lines of the upper surfaces of two rails on the measuring cross-section, so that resident and real-time gauge high-precision detection of the platform is achieved.

Abstract: An automatic stationing of a geodetic survey instrument. The instrument comprises a targeting unit to provide targeting data, an imaging sensor, wherein the axis is referenceable to a targeting direction, and a computing unit. The automatic stationing comprises the steps of 1.) acquiring an image of the environment, 2.) creating a catalog of features based on the image and providing a score of applicability for each feature, 3.) selecting a first set of features based on the score of applicability and providing a first targeting data, 4.) recognizing a relocation of the instrument 5.) selecting a second set of features from the first set of features, and providing a second targeting data and 6.) determining the fine pose relative to the first pose based on the first and second set of targeting data.

Abstract: An automatic stationing functionality of a geodetic survey instrument. The survey instrument comprising a targeting unit configured to provide a targeting data measurement, an inertial measurement unit (IMU), an imaging sensor unit configured for providing the functionalities of a visual positioning system (VPS), a communication interface configured to receive a design data comprising position information of reference markers in the environment, and a computing unit. The automatic stationing functionality being configured for calculating a coarse pose of the instrument based on the IU and/or the VPS pose data, selecting a plurality of reference markers to be targeted based on the coarse pose and the design data, and determining a fine pose of the instrument based on the targeting data measurement of the plurality reference markers.

Abstract: A laser beam generating device includes a housing a first laser diode which generates a visible first output beam which projects outside of the housing onto a surface and a second laser diode which generates a visible second output beam which projects outside of the housing onto the surface. The laser beam generating device has a first mode in which the first laser diode and the second laser diode are both on. In the first mode, the first laser diode is operated at a first duty cycle the second laser diode is operated at a second duty cycle. The first duty cycle and the second duty cycle are staggered.

Abstract: An inertial measurement device includes: a substrate having a joining area; a cap; a sensor device accommodated in a resin package and disposed in a mounting area on the substrate in an internal space between the substrate and the cap; and a sealing material and a joining material configured to join the cap to the substrate in the joining area of the substrate. The joining material surrounds the mounting area and has a communication hole for communication between the internal space and the outside, and the sealing material closes the communication hole.

Abstract: A road vibration coefficient which defines a relation between vibration and a movement velocity of a vehicle during traveling is obtained. An information processing device includes: an acquisition section that acquires a measurement value which has been measured by a sensor provided in a vehicle while the vehicle is traveling on a road surface; a vibration feature quantity calculation section that calculates a vibration feature quantity Pv(t); and a road vibration coefficient calculation section that calculates a road vibration coefficient ?.

Abstract: The present disclosure generally relates to navigation alignment systems and methods for assisting material handling vehicles (MHVs), specifically in the navigation of the MHVs maneuver into, out of, or within a navigation space.

Abstract: An information processing device includes at least one processor. The processor acquires statistic information corresponding to a position or area obtained by an activity involving movement, acquires a feature quantity of the position or area obtained based on the statistic information, and associates description information corresponding to the feature quantity with a representative point that is a point representing the position or area.

Abstract: Provided is a medium storing instructions that when executed by one or more processors of a robot effectuate operations including: obtaining, with a processor, first data indicative of a position of the robot in a workspace; actuating, with the processor, the robot to drive within the workspace to form a map including mapped perimeters that correspond with physical perimeters of the workspace while obtaining, with the processor, second data indicative of displacement of the robot as the robot drives within the workspace; and forming, with the processor, the map of the workspace based on at least some of the first data; wherein: the map of the workspace expands as new first data of the workspace are obtained with the processor; and the robot is paired with an application of a communication device.

Abstract: In some implementations, a method performed by data processing apparatuses includes receiving stored map data corresponding to a digital map, identifying a discrepancy between the digital map and a physical space which the digital map represents, updating the digital map to correct the identified discrepancy, storing the updated digital map, and optionally providing the updated digital may for presentation on a device display.

Abstract: An edge device for providing an HD map to a vehicle is provided. The edge device includes a controller programmed to: obtain a head pose of an occupant of a vehicle; obtain a location of the vehicle following an original route; analyze the head pose and the location of the vehicle to determine a potential route for the vehicle, the potential route being different from the original route, and transmit HD map information corresponding to the potential route to the vehicle in response to determining the potential route.

Abstract: Provided are methods for completing an errand request prior to fulfilling a ride request. Some methods described include obtaining a ride request from a passenger; obtaining an errand request from the passenger, wherein the errand request comprises performing an activity at a third location prior to pickup of the passenger at the first location; planning a route comprising the third location, the first location, and the second location; navigating the planned route to complete the errand request from the passenger at the third location; and navigating the planned route to transport the passenger from the first location to the second location upon completion of the errand request. Systems and computer program products are also provided.

Abstract: In one embodiment, a vehicle side target location method includes receiving a request, via a first wireless connection, for the vehicle to travel to a location, in response to the vehicle being less than a predetermined distance from the location, receiving RF packets, via a second wireless connection having a multiple antenna radio frequency (RF) transceiver having an identification (ID), from a target at the location, identifying packets based on the ID of the RF transceiver, extracting channel state information (CSI) from received signals associated with the identified packets, determining an amplitude difference of subcarriers of the received signals between each of the multiple antennae, filtering noise of the amplitude difference of subcarriers based on subcarrier selection to obtain multiple robust amplitude difference signals, and feeding the multiple robust amplitude difference signals to a classifier to obtain a side of the vehicle associated with the location of the target.

Abstract: A methodology is described for determining a time for responding to an initial encounter by a vehicle with a map error in a map segment, wherein the initial encounter is detected by a detector. A method includes identifying an error type associated with the map error, wherein the error type is one of a first error type and a second error type; determining at least one additional factor associated with the initial encounter; determining a response time for the map error based on the error type and the at least one additional factor; and initiating a mitigating action in response to the initial encounter within the response time, wherein the response time comprises an amount of time from the initial encounter with the map error to a time at which a mitigating action should be taken.

Abstract: Aspects of the disclosure provide for advanced trip planning for an autonomous vehicle service. For instance, an example method may include determining a potential pickup location for a user, determining a set of potential destination locations for a user, and determining a set of potential trips. For each potential trip a vehicle of a fleet of autonomous vehicles of the service may be assigned and trip information, including an estimated time of arrival for the assigned vehicle of the potential trip to reach the destination location of the potential trip, may be determined. The trip information for each potential trip may be provided for display to the user. Thereafter, confirmation information identifying one of the set of potential trips may be received, and the assigned vehicle for one first of the set of potential trips may be dispatched to pick up the user.

Abstract: A method, apparatus, and user interface for road debris detection comprising, in some embodiments, obtaining image data of at least one navigable link and/or road debris, determining a road debris indicator based on the obtained image data, wherein the road debris indicator includes road debris classification data, and associating the determined road debris indicator with one or more navigable links to update a map layer of a geographic database.

Abstract: An information processing apparatus comprises a controller configured to execute: acquiring operation information that is information related to operation of a bus; and generating a running route for a first vehicle that is a light vehicle on the basis of the operation information.

Abstract: An example operation includes one or more of: determining a first subgroup of a group of vehicles and a second subgroup of the group of vehicles, wherein the second subgroup has a higher carbon footprint than the first subgroup; and determining a driving behavior modification of a vehicle in the second subgroup based on a driving behavior of one or more vehicles in the first subgroup.

Abstract: An example operation includes one or more of determining a first carbon footprint of a first mode of transportation and a second carbon footprint of a second mode of transportation, where the first mode of transportation is a primary mode of transportation and the second carbon footprint is less than the first carbon footprint, responsive to the first carbon footprint being above a threshold, calculating a period of time the second mode of transportation is utilized to negate an amount above the threshold, and sending a notification to use the second mode of transportation for the period of time.

Abstract: This application discloses a geographic information processing method, which may be applied to a terminal like a head unit, an in-vehicle PC, a mobile phone, or a smart band, and may be applied to a scenario in an intelligent vehicle. The method includes: A first device displays first location information on a corresponding first plane, and then the first device sends a first message to a second device. The first message indicates the second device to output location information related to the first location information. After receiving the first message, the second device may output, based on the first message, second location information related to the first location information. This helps simplify a user operation.

Abstract: Systems, methods, and computer-readable storage devices for providing directions haptically such that sight and hearing can continue unimpeded. In one exemplary embodiment, a wearable device (such as earphones, ear rings, gloves, glasses, or other wearable objects) configured as disclosed herein receives directions to an intended destination for a user, the directions comprising a movement action and a distance to the movement action. The wearable device has multiple haptic output units and generates, through one of those units, a haptic output based on the directions. This allows the user to receive the directions through touch rather than looking at their mobile device or from audio.

Abstract: A lane indication method includes: in response to a navigation start operation, displaying a navigation interface, where the navigation start operation indicates performing navigation based on a navigation start position and a navigation end position, and the navigation interface is configured to display a navigation route, the navigation route comprising at least one intersection; in response to being within a prompt range of a current intersection, providing lane prompt information corresponding to the current intersection and lane prompt information corresponding to a subsequent intersection of the current intersection.

Abstract: A vehicle includes a user input interface, an electronic display device and a processor. The user input interface is configured to allow a user to input one or more burden conditions of the user. The electronic display device is positioned in an interior compartment of the vehicle. The processor is programmed to control the electronic display device to display one or more route selections, the one or more route selections being based on the burden conditions.

Abstract: A vehicle includes an on-hoard satellite navigation device, a telematics control unit, a non-transitory computer readable medium, and a processor. The on-board satellite navigation device is in communication with a global positioning system unit to acquire real-time information regarding conditions near the vehicle's vicinity, The telematics control unit is in wireless communications to a cloud services or a vehicle network to upload and receive crowdsourced information regarding conditions near the vehicle's vicinity. The non-transitory computer readable medium stores predetermined information regarding conditions near the vehicle vicinity.

Abstract: A map database stores data describing a set of connected roadways, each having one or more lanes. A coverage system selects lanes from the map database along which AVs can stop, such as parking lanes. The coverage system generates buffer regions for each of the stopping lanes, where each buffer region includes an area within a given distance of the respective lane. The coverage system combines the buffer regions to generate a coverage area, and provides a display of the coverage area overlayed over a map of roads corresponding to the coverage area.

Abstract: Aspects concern a method for correcting errors in map data comprising obtaining map data specifying travel possibilities between locations, generating a routing graph from the map data by assigning a vertex to each location and an edge from one vertex to another vertex if the map data specifies that it is possible to travel from the location to which the first vertex is assigned to the location to which the second vertex is assigned, identifying the largest strongly connected component of the routing graph, identifying one or more further strongly connected components of the routing graph, detecting errors in the map data by identifying travel possibilities that are not in the map data which lead to missing connections between the one or more further strongly connected components of the routing graph and the largest strongly connected component of the routing graph and amending the map data by the identified travel possibilities.

Abstract: The invention relates to a method for determining a reliability of a low-definition map to make the activation of at least one driving assistance system of an autonomous vehicle reliable, said autonomous vehicle traveling on a road and comprising a navigation system and a perception system, the navigation system comprising said mapping and providing mapped data, the perception system providing measured data of the vehicle and/or the external environment of the vehicle, said method comprising the steps of: Receiving (201) mapped data; Receiving (202) measured data; Determining (203) a path of the road; Calculating (206) a road correlation value; Calculating (209) a sign correlation value; Determining (210) a reliability indicator, reliable or unreliable.

Abstract: The invention relates to a method and a device for determining the reliability of a low-definition map in order to improve the reliability of the activation of at least one driving-assistance system of an autonomous vehicle, said autonomous vehicle travelling on a road and comprising a navigation system and a perception system, the navigation system comprising said map and supplying at least one slope and at least one curvature of the road around said vehicle, referred to as a mapped slope and mapped curvature, the perception system supplying a slope and a trajectory of the road around said vehicle, referred to as a measured slope and measured trajectory, said method comprising the steps of: Determining (201) a trajectory of the road; Determining (202) a slope indicator; Determining (203) a trajectory indicator; Calculating (204) a correlation value; Determining (205) a map reliability indicator.

Abstract: A system includes a processor and a memory in communication with the processor. The memory has instructions that, when executed by the processor, cause the processor to generate, based on an image of a roof of a multi-level parking structure, a roof map having at least one road segment and at least one parking space of the roof. The instructions further cause the processor to predict, based on the roof map, a lower level map having at least one road segment and at least one parking space of a lower level of the parking structure.