Abstract: The invention discloses an inflammable and explosive explosive emergency destruction device, which comprises a base, a transmission shaft is rotatably connected to the upper end surface of the base, and an overhead device is arranged on the transmission shaft, and the overhead device can be connected to For the limit plate on the transmission shaft, the present invention uses a hemispherical cover and two quarter-ball covers to change the position to form a closed sphere to isolate flammable and explosive materials from the external environment to ensure the safety of the surroundings. The overhead mode of the destruction structure converts the vertical vibration generated by the explosion into the power of horizontal upward and reverse rotation, and uses multiple sets of spring structures to buffer, effectively protect the ground from damage, and performs water injection treatment on the interior of the closed sphere.

Abstract: A screw thread measurement system and methods may comprise a frame having a reference surface, a carrier coupled to the frame and configured to translate relative to the frame, a dimension measurement system coupled to the carrier and having a thread contact element configured to translate relative to the frame and orthogonally the translation axis of the carrier. The dimension measurement system configured to determine thread dimensions relative to the frame reference surface.

Abstract: A device for determining the angle of a rotating component is provided. The device includes a magnetostrictive sensor structure which is coupled to a transmitter and at least one receiver, and along which a magnet is secured to the moving component moves. The transmitter and the receiver(s) are connected to an electronic analysis unit for determining the position of the moving component based on a transit time between the transmitter and a saturation zone and back from the saturation zone to the receiver(s). The transmitted signal is reflected on the saturation zone produced in the magnetostrictive sensor structure by the magnet.

Abstract: A system and method for measuring three-dimensional (3D) coordinate values of an environment is provided. The method including moving a 2D scanner through the environment. A 2D map of the environment is generated using the 2D scanner. A path is defined through the environment using the 2D scanner. 3D scan locations along the path are defined using the 2D scanner. The 2D scanner is operably coupled to a mobile base unit. The mobile base unit is moved along the path based at least in part on the 2D map and the defined path. 3D coordinate values are measured at the 3D scan locations with a 3D scanner, the 3D scanner being coupled to the mobile base unit.

Abstract: Disclosed is an optical probe system that is capable of high speed, high precision, and high resolution 3D digitalization of engineered objects. The 3D dimensional data of the engineered object is measured using a swept source optical coherence tomography system with improved speed, spatial resolutions, and depth range. Also disclosed is a type of coordinate measurement machine (CMM) that is capable of performing high speed, high resolution, and non-contact measurement of engineered objects. The mechanic stylus in the touch-trigger probe of a conventional CMM is replaced with an optical stylus with reconfigurable diameter and length. The distance from the center of the optical stylus to the measurement probe is optically adjusted to match the height of the object to be measured quickly, which eliminates one dimensional movement of the probe and greatly improves the productivity.

Abstract: A method of determining a support structure depth of a support structure having a front and a back separated by the support structure depth includes: obtaining a point cloud of the support structure, and a mask indicating, for a plurality of portions of an image of the support structure captured from a capture pose, respective confidence levels that the portions depict the back of the support structure; selecting, from the point cloud, an initial set of points located within a field of view originating at the capture pose; selecting, from the initial set of points, an unoccluded subset of depth measurements, the depth measurements in the unoccluded subset corresponding to respective image coordinates; retrieving, from the mask, a confidence level for each of the depth measurements in the unoccluded subset; and based on the depth measurements in the unoccluded subset and the retrieved confidence levels, determining the support structure depth.

Abstract: An apparatus for determining a position and orientation of first and second rigid bodies in relation to each other. The apparatus includes a light source mounted to the first rigid body, an image sensor mounted to either the first or second rigid body and positioned in a field of light, a shadow mask mounted to either the first or second rigid body and arranged in the field of light, and a computation unit configured to calculate at least one angle by evaluating a shadow image which passes the shadow mask and is detected by the image sensor. The apparatus may include a mechanical constraint mounted to the first and second rigid bodies that defines a fixed distance between the first and second rigid bodies, is stationary in relation to one of the first or second rigid body, and is variably inclinable in relation to the other.

Abstract: Provided is an angle detection system including: a target unit including a reflection target and an encoder pattern showing an angle of the target unit; and a surveying instrument including a survey unit configured to measure a distance and angle to the reflection target, an encoder pattern reading unit configured to read a bit pattern of the encoder pattern from an image of the encoder pattern, a display unit, and an arithmetic control unit. The surveying instrument includes at least one imaging unit changeable in focal length, and is configured to calculate a distance and angle to the reflection target, to set an imaging magnification of the imaging unit, to set a cutout region of the encoder pattern by using the image displayed on the display unit, to determine success of identification of the encoder pattern and, in the case of success, to calculate an encoder pattern read angle.

Abstract: An arc processing method is provided. Firstly, a machining program code is provided, wherein the machining program code includes a control code for machining an arc having a start point and an end point. Then, the machining program code is analyzed to obtain a first start point vector and a first end point vector, both defined by a first coordinate system, of a tool. Then, the first start point vector is converted to a second start point vector defined by a second coordinate system. Then, the first end point vector is converted to a second end point vector defined by the second coordinate system. Then, a plurality of first interpolation vectors of interpolation points, defined by the second coordinate system and interposed between the second start point vector and the second end point vector, are obtained. Then, all the first interpolation vectors are converted into corresponding second interpolation vectors.

Abstract: A system and method for measuring three-dimensional (3D) coordinate values of an environment is provided. The system includes a movable base unit and a 2D scanner. A 3D scanner is coupled to the base unit, the 3D scanner measuring 3D coordinates and grey values of surfaces in the environment, the 3D scanner operating in either a compound or helical mode. Processors perform a method comprising: causing the 3D scanner to measure a first 3D coordinate values while operating in one of the compound or helical mode as the base unit is moved from the first to the second position; causing the 3D scanner to measure a second 3D coordinate values while operating in compound mode when the base unit is stationary between the first and second position; and registering the first 3D coordinate values and second 3D coordinate values into a single frame of reference.

Abstract: A method for determining an altitude of a moving object includes obtaining pressure-dependent data from a plurality of sensors and computing the altitude of the moving object based on the pressure-dependent data from the plurality of sensors. Each of the sensors is mounted on the moving object with a respective primary orientation direction, and the primary orientation directions of at least two of the sensors are different.

Abstract: The disclosure describes a z-axis gyroscope where a proof mass is suspended from a peripheral suspender and a central suspender. The peripheral suspender forms a truncated triangle around the proof mass, and the central suspender extends through the truncated corner of the triangle formed by the peripheral suspender. The proof mass is driven into a primary oscillation mode by one or more piezoelectric drive transducers located on the peripheral suspender. One or more piezoelectric sense transducers located on the base of the peripheral suspender are configured to detect the secondary oscillation mode of the proof mass.

Abstract: A microelectromechanical gyroscope includes: a substrate; a stator sensing structure fixed to the substrate; a first mass elastically constrained to the substrate and movable with respect to the substrate in a first direction; a second mass elastically constrained to the first mass and movable with respect to the first mass in a second direction; and a third mass elastically constrained to the second mass and to the substrate and capacitively coupled to the stator sensing structure, the third mass being movable with respect to the substrate in the second direction and with respect to the second mass in the first direction.

Abstract: A navigation device may include a GNSS data editing part, an attitude angle calculating part, and a speed calculating part. The GNSS data editing part may generate GNSS attitude angle estimation data and GNSS speed estimation data by using first GNSS data based on a GNSS signal received by a first antenna, and second GNSS data obtained at a shorter cycle than the first GNSS data based on a GNSS signal received by a second antenna. The attitude angle calculating part may estimate an integrated attitude angle based on the IMU angular velocity outputted from an Inertial Measurement Unit (IMU) and the GNSS attitude angle estimation data. The speed calculating part may estimate an integrated speed based on an IMU acceleration outputted from the IMU, the GNSS speed estimation data, and the integrated attitude angle.

Abstract: A method and apparatus for positioning a mobile robot inside a vertical cylindrical Aboveground Storage Tank filled with a liquid is described. No additional hardware is needed other than the robot itself. The only piece of information needed is the tank's diameter which is known by construction. The robot carries proprioceptive sensors needed to propagate its position estimate as well as exteroceptive sensors needed to control the dead reckoning positional drift. Proprioceptive and exteroceptive data are merged using data fusion algorithms adapted to the sensor suite integrated in the vehicle, which can take different forms.

Abstract: A ship navigation system includes a memory and a processor. The memory stores instructions. The processor is configured to access the instructions to perform the following: receiving a start point and a terminal point of a target ship in a marine area; receiving real-time environmental information of the marine area; receiving historical shipping lanes of the marine area and historical environmental information corresponding to the historical shipping lanes and; comparing historical environmental information and real-time environmental information to select a target lane leading from a location near the start point to a location near the terminal point; and connecting the start point and the terminal point with the target lane to generate an recommended lane for the target ship in the marine area.

Abstract: A method for operating a vehicle includes the following: providing a first map, a reference map and a first transformation map, the first transformation map including at least one location-dependent first transformation of poses of the first map onto corresponding poses of the reference map; ascertaining a first pose of the vehicle in relation to the first map; and transforming the first pose onto the reference map with the aid of a first transformation.

Abstract: This disclosure covers methods, non-transitory computer readable media, and systems that generate route tiles reflecting both GPS locations and map-matched locations for regions along a route traveled by a client device associated with a transportation vehicle. For example, in some implementations, the disclosed systems use an artificial neural network to analyze the route tiles and determine route-accuracy metrics indicating GPS locations or map-matched locations for particular regions along the route. The disclosed systems can then use the route-accuracy metrics to facilitate transport of requestors by, for example, determining a distance of the route or a location of a client device associated with a transportation vehicle.

Abstract: A map information system includes a database management device configured to manage a map database used for vehicle driving support control. The map database includes road marking map information that indicates a position of a specific road marking including at least one of a stop line and a pedestrian crossing. The database management device is further configured to: detect a road marking candidate being a candidate for the specific road marking around a vehicle; recognize vehicle behavior of at least one of the vehicle and another vehicle in a period when passing the road marking candidate; determine, based on the vehicle behavior, an evaluation value that indicates certainty of the road marking candidate being the specific road marking; and register the road marking candidate having the evaluation value equal to or higher than a threshold, as the specific road marking, in the road marking map information.

Abstract: A method of map generation includes receiving data from a plurality of vehicles about environments within which the plurality of vehicles operate, and generating a three-dimensional map using the data from the plurality of vehicles. The data is collected by one or more sensors on-board the plurality of vehicles.

Abstract: A system comprising a processor configured to advise a vehicle occupant of an advisable route through a tollbooth determined based on tollbooth traffic, responsive to identifying a vehicle as being within a threshold distance of a tollbooth. The processor is also configured to offer an option for toll prepayment responsive to the advisable route corresponding to a prepaid toll lane.

Abstract: Provided is a route search device and a non-transitory computer-readable medium that can search a route where a transportation means more suitable for a user is selected. When searching a route to a destination, a change point at which the transportation means is changed is set, and then the priority in selecting a transportation means for moving in a section from a plurality kinds of transportation means is set based on at least one of an attribute of a start point and an attribute of an end point in the section for each section where a distance between a departure place and a destination is divided at the change point to search the route to the destination using the transportation means selected for each of the plurality of sections based on the set priority.

Abstract: A driving support apparatus includes a communication device configured to be able to communicate with a vehicle-mounted device installed in a vehicle that is under automatic driving control and a mobile terminal of a user of the vehicle; and a processor configured to send, upon receiving a return request for moving the vehicle to an exit location at which the user has exited the vehicle, from the mobile terminal through the communication device, a return command for moving the vehicle to the exit location to the vehicle-mounted device through the communication device, when a return time required to move the vehicle to the exit location is less than an available return time.

Abstract: A system includes at least one computer-readable storage medium including a set of instructions for determining target stations for a region in an on-demand service; and at least one processor in communication with the computer-readable storage medium. When executing the set of instructions, the at least one processor is directed to: obtain electronic signals encoding road information associated with a region and a plurality of service starting points of historical service orders associated with the region; operate logic circuits in the at least one processor to cluster the plurality of service starting points into a plurality of clusters based on the service starting points and the road information; operate the logic circuits in the at least one processor to determine one service starting point as a candidate point for each of the plurality of clusters based on a popularity score at the service starting point.

Abstract: The preset application discloses a method for route planning. At least one device including at least one processor and a storage may implement the method. The method may include one or more of the following operations. The device may first obtain a start location and a destination, road characteristic information and a plurality of historical routes. The device may then train a model based on the plurality of historical routes. Then the device may run the trained model to sequentially determine a plurality of road intersections between the start location and the destination, and a target entrance and target exit that corresponding to each of the plurality of the road intersections based on characteristic information. Finally, the device may generate a recommended route from the start location to the based on the target entrances and target exits.

Abstract: The present invention relates to a system for tracking and displaying toll charges in real-time, the system including: a trip planning module, the trip planning module including a user interface for user input of a destination location, a route calculation module capable of calculating one or more routes for travel from a starting location to the destination location and displaying the one or more routes to the user for selection, a toll estimation module capable of calculating estimated toll charges along each of the one or more routes based on data from a toll charge database; wherein, during travel along the selected route, the route calculation module generates real-time updates of current toll charges and estimated arrival time along the selected route for display to the user.

Abstract: Adaptive navigation techniques are disclosed that allow navigation systems to learn from a user's personal driving history. As a user drives, models are developed and maintained to learn or otherwise capture the driver's personal driving habits and preferences. Example models include road speed, hazard, favored route, and disfavored route models. Other attributes can be used as well, whether based on the user's personal driving data or driving data aggregated from a number of users. The models can be learned under explicit conditions (e.g., time of day/week, driver ID) and/or under implicit conditions (e.g., weather, drivers urgency, as inferred from sensor data). Thus, models for a plurality of attributes can be learned, as well as one or more models for each attribute under a plurality of conditions. Attributes can be weighted according to user preference. The attribute weights and/or models can be used in selecting a best route for user.

Abstract: An approach is provided for generating navigation data of a geographical location. The approach involves identifying a landmark located along a source road from a source image and segmenting the source image using a deep learning model to identify a segmentation mask. The approach also involves generating a template image based on the segmentation mask and a street image of the landmark, and matching the template image successively with a sequence of images of the landmark to determine a confidence score. The approach further involves, identifying a first image from the sequence of images with confidence score below a predetermined threshold, and selecting a second image with confidence score above the predetermined threshold from the sequence of images. The approach further involves calculating a visibility distance of the landmark based on the source image and the second image, and generating the navigation data based on the calculated visibility distance.

Abstract: Systems and methods for selectively forgoing actions based on fullness level of containers are provided. One or more images captured using one or more image sensors and depicting at least part of a container may be obtained. The one or more images may be analyzed to identify a fullness level of the container. It may be determined whether the identified fullness level is within a first group of at least one fullness level. Based on a determination that the identified fullness level is within the first group of at least one fullness level, at least one action involving the container may be forgone.

Abstract: Provided are systems, methods, and media for tactile map-based navigation on a reconfigurable display surface. An example method includes receiving an input destination for a user, generating a navigational route to the destination based on a current location of the user, and transmitting a control signal to the reconfigurable display surface to cause the mobile display surface to render the navigational route on a map of a geographic area. The rendering of the navigational route includes changing topography of the reconfigurable display surface such that a first three-dimensional (3D) shape is formed on the map at a position of the current location and a second 3D shape is formed on the map at a position of the destination.

Abstract: Methods, apparatuses and systems for use of a magnetometer calibration (MAG-CAL) application to calibrate a magnetometer while an aircraft is in-flight including: generating a MAG-CAL calculated pattern based on a set of aircraft parameters for the in-air magnetometer calibration, the set of aircraft parameters at least comprise: speed, bank angle, altitude and position of the aircraft; generating a set of waypoints that define a calibration flight path corresponding to the MAG-CAL calculated pattern; Configuring the calibration flight path of the MAG-CAL calculated pattern to be part of the original flight path of the in-flight aircraft to enable the aircraft while flying the original flight to proceed in part on the calibration flight path corresponding to the MAG-CAL calculated pattern; and enabling the aircraft to deviate while in-flight from the original flight path to the calibration flight path to enable a sufficient level of calibration for accurate magnetometer operation.

Abstract: An electromagnetic induction type encoder, wherein a detection head has a transmitter coil configured to generate magnetic flux, wherein a scale has a plurality of connection coils arrayed in a measurement axis direction, are configured to be electromagnetically coupled with magnetic flux generated by the transmitter coil and generate magnetic flux that fluctuates in a predetermined spatial period in the measurement axis direction, wherein the detection head has a receiver coil having a plurality of coils arrayed in the measurement axis direction on a predetermined face of the detection head and are configured to be electromagnetically coupled with the magnetic flux generated by the plurality of connection coils and detect a phase of the magnetic flux, wherein a current direction of one of the plurality of coils is opposite to a current direction of another coil of the plurality of coils next to each other.

Abstract: Aspects of the disclosure provide a sensing apparatus including a sensing device, a memory, and processing circuitry. The sensing device includes resonators having respective resonant frequencies. The resonators include an array of inductive coils positioned on a surface of the apparatus. The sensing device can output a signal indicating changes of the resonant frequencies caused by presence of an object proximate to the surface. The memory stores reference signals corresponding to reference objects. Each reference signal indicates changes of the resonant frequencies caused by the respective reference object proximate to the surface. The processing circuitry can receive, from the sensing device, a particular signal indicating changes of the resonant frequencies caused by presence of a particular object proximate to the surface. The processing circuitry compares the particular signal with the stored reference signals of the reference objects to determine an identity of the particular object.

Abstract: There is provided an optical encoder including a photodiode array and a code disk opposite to each other. The photodiode array includes at least three sets of position photodiodes and two index photodiodes arranged transversally. The two index photodiodes are adjacently arranged at the same side of the at least three sets of position photodiodes. A first set of position photodiodes and a last set of position photodiodes of the at least three sets of position photodiodes are partially covered to alleviate the total harmonic distortion. The rest position photodiodes of the at least three sets of position photodiodes other than the first and last sets of position photodiodes are not covered.

Abstract: A light-receiving module includes a support body having a bottom wall part and a side wall part, a light-receiving element disposed on the bottom wall part such that a light-receiving surface faces one side and surrounded by the side wall part when viewed from the one side, and a fiber optic plate having an input surface constituted by surfaces of one end of a plurality of optical fibers and an output surface constituted by surfaces of the other end of the plurality of optical fibers and disposed on the light-receiving element such that the output surface faces the light-receiving surface. An end surface of the side wall part on the one side is positioned more to the one side than the light-receiving surface and the input surface is positioned more to the one side than the end surface.

Abstract: An opening and closing detection sensor of the present invention includes a fixed base, a moving base, an optical fiber, and a moving member. The moving base is disposed so as to be movable relative to the fixed base. The optical fiber includes an FBG part where a Bragg wavelength varies responding to an interval between the fixed base and the moving base. The moving member moves between a first position corresponding to either one of an opened state or a closed state of an object and a second position corresponding to the other state. The moving member includes a locking part. The locking part abuts on the moving base between a third position located between the first position and the second position, and the second position, thereby moving the moving base together with the moving member, and moving the moving base in a direction separated from the fixed base.

Abstract: The invention relates to an optoelectronic distributed measuring device based on optical fiber, said device comprising a continuous light source (1) emitting a continuous light signal at a first frequency ?0, an acousto-optical modulator (6) capable of transforming said continuous signal into a pulse signal to be injected into an optical fiber (15) to be tested, and a photodetection module (10) capable of detecting a backscattering signal from a Rayleigh backscattering and a spontaneous Brillouin backscattering from said optical fiber (15) to be tested, said device being characterized in that it further comprises a first coupler (3) and a second coupler (9), said second coupler (9) being capable of mixing the signal of the local oscillator with the backscattering signal from said optical fiber (15) to be tested before transmitting it to the photodetection module (10), the backscattering signal being modulated at least at a frequency ?rB equal to ?0??bref+?A+?bAS, where ?bAS is the anti-Stokes Brillouin (backs

Abstract: A facade gantry allows for close inspection of a facade using remotely operated cameras, probes, and/or sampling devices. These devices are located in a housing that is positioned in front of a facade by a system of cables, from which it is suspended, that allow for movement in any direction in a plane. Two cables are attached to the housing containing the sensors and tools and are wound onto two separate spools located on the roof at the vertical boundaries of the inspection area. By winding and unwinding these spools, the housing can be raised, lowered, and moved from side to side. The invention further has an optional “shed” located on the ground that protects pedestrians in the case of a suspension system failure. The shed moves to maintain a position directly under the housing. The gantry optionally allows for repair of the facade by using remotely operated repair tools.

Abstract: Milk meter for measuring a milk flow provided with an inlet the milk flow is supplied to an outlet, a liquid flow path extending from the inlet to the outlet, a stabilization chamber in the liquid flow path and a float therein configured to float on milk. The level of milk in the stabilization chamber depends on the flow rate of the milk flow. At least one sensor device for determining the position of the float in the stabilization chamber for determining the flow rate of the milk flow. The milk meter has an outflow channel and an outflow opening in fluid communication with the outlet via the outflow channel. The sensor device has a first and a second coil which have a fixed distance to each other, and a third coil. The first and second coil and the third coil are displaceable relative to each other.

Abstract: A method for measuring fluid flow including disposing a measurement device within a fluidic channel, the measurement device including a hydrodynamic central body, a plurality of arms coupled with and operable to extend from and retract to the hydrodynamic central body, and a plurality of sensors disposed within the hydrodynamic central body and distributed along the length of each of the plurality of arms; triggering, via an actuator, the plurality of arms to expand from the hydrodynamic central body until a portion of each of the plurality of arms abut a sidewall of the fluidic channel; collecting, via the plurality of sensors, measurements relating to one or more fluid flow parameters within the fluidic channel; triggering, via the actuator, the plurality of arms to contract inwards to the hydrodynamic central body; and retracting the measurement device from the fluidic channel.

Abstract: Flow measurement inserts replace standard orifice plates within single or dual-chamber orifice fittings. Flow measurement inserts are described which have insert bodies are shaped and sized to reside within the flow bore insert chamber of standard orifice fittings. An exemplary flow measurement insert includes an insert body with an opening formed therein which will align with the flow bore of the orifice fitting when the flow measurement insert is disposed within the chamber.

Abstract: A method of determining at least one point of entry of smoke into a smoke detection system, the system having a sampling pipe network including at least one sampling pipe and a plurality of sampling inlets through which an air sample can enter the at least one sampling pipe of the smoke detection system for analysis by a particle detector, said method including: determining a volume of sample air that has passed through at least part of the smoke detection system since a predetermined event or a value corresponding to said volume; and determining through which sampling inlet of the plurality of sampling inlets the smoke entered the smoke detection system based, at least in part, on the determined volume or value. Systems for implementing such a method and related methods are also described.

Abstract: An ultrasonic flow meter includes a housing for attaching to a fluid pipe. A first piezoelectric element coupled to a transmitter and receiver is configured to emit ultrasonic waves in an axial direction perpendicular to a horizontal plane defined by the piezoelectric element. A lens combination is in a lower housing portion positioned radially outside the first piezoelectric element including a refocusing lens that is ring-shaped configured for redirecting received radial ultrasonic waves to travel in an axial direction perpendicular to the horizontal plane and has a thickness profile configured to act as a matching layer for reducing multiple reflections within the lower housing portion. A second lens that is disc-shaped below the refocusing lens is configured for redirecting the radial ultrasonic waves to travel in the axial direction.

Abstract: Techniques are described herein for displacing liquid away from a signal path of sonic signals in a signal anemometer. A sonic anemometer may include a membrane positioned between a sonic transducer and the open environment. The membrane may be formed of a hydrophobic material that repels the liquid. The membrane may also include a plurality of pores that impede the flow of liquid through the membrane but enables sonic signals to pass through the membrane. The sonic anemometer may also include a reflector that displaces liquid away from the signal path of the sonic anemometer. The reflector may include one or more pores that wick liquid away from the signal path.

Abstract: A fluid measurement system (3) is provided having a Coriolis flowmeter (5) with a meter electronics (20) comprising a processing system (303) and a storage system (304). The Coriolis flowmeter (5) has a sensor assembly (10) comprising conduits (103A, 103B), wherein the sensor assembly (10) is in communication with meter electronics (20). The Coriolis flowmeter (5) has a plurality of pickoffs (105, 105?) affixed to the conduits (103 A, 103B), that are in communication with the meter electronics (20). The Coriolis flowmeter (5) has a driver (104) affixed to the conduits (103A, 103B) that is in communication with the meter electronics (20). A gyroscopic sensor is in communication with the meter electronics (20). At least one actuator (406X, 406 Y, 406Z, 412) is coupled to the Coriolis flowmeter (5). The meter electronics (20) is configured to measure a fluid flow of a process fluid under acceleration through the sensor assembly (10).

Abstract: A system (800) for determining frequency spacings to prevent intermodulation distortion signal interference is provided. The system (800) includes a sensor assembly (810) and a meter verification module (820) communicatively coupled to the sensor assembly (810). The meter verification module (820) is configured to determine a frequency of a first signal to be applied to a sensor assembly (810) of a vibratory meter and set a demodulation window about the frequency of the first signal. The meter verification module (800) is also configured to determine a frequency of the second signal to be applied to the sensor assembly such that a frequency of an intermodulation distortion signal generated by the first signal and the second signal is outside the demodulation window.

Abstract: A metering device for metered dispensing of granular material from a hopper bottom storage bin. The device features a metering housing having a housing inlet for receiving said granular material from a hopper outlet of the storage bin, and a housing outlet from which the granular material is dispensable from the housing. A metering mechanism driven by an onboard motor is operable within the housing to dispense the granular material through the housing outlet in a metered fashion. A mounting arrangement is attachable to the storage bin in a position suspending the metering housing below the hopper outlet. The housing is movable into and out of a working position aligned under the hopper outlet, and can also be adjusted in tilt angle to achieve a properly leveled alignment in the working position.

Abstract: A pitot tube includes an outer tube extending from a first tube end to second tube end. The second tube end defines a tip portion of the pitot tube. A tube sleeve is located inside of the outer tube and defines a tube passage extending from the first tube end to the second tube end. A heating element is located between the outer tube and the tube sleeve. The heating element is isolated from airflow into the tube passage. A method of forming a pitot tube includes installing a heating element to an outer surface of a tube sleeve, the tube sleeve defining a tube passage of the pitot tube. The tube sleeve is secured in an outer tube such that the heating element is between the tube sleeve and the outer tube and is isolated from airflow through the tube passage.

Abstract: The present disclosure relates, in one embodiment, to an oil sight apparatus. The oil sight may include a sight body with a chamber defined in the sight body. The chamber may include a top, a bottom, and a sidewall spanning from the top to the bottom. A separator may be located in the chamber. The separator may be configured to sink in oil and to float in water such that the separator may rest at an oil-water separation line in the chamber.

Abstract: Embodiments provide a calibration tool for measuring a distance between a transducer and a liquid surface of an open channel, including: a pole; a flat board attached to the pole, configured to reflect a signal from the transducer, wherein the flat board is substantially perpendicular to the pole; a level device provided on the flat board, configured to ensure that the flat board is substantially parallel to a bottom of the open channel during a measurement; and a measuring scale provided on the pole.