Abstract: A shot shell includes a cartridge (also referred herein as a ‘hull’), a primer, gunpowder, a tungsten propulsion system wadding, shot pellets having a first size, and shot pellets having a second size that is larger than the first size, and a 5-8 star crimp on an upper portion of the plastic cartridge. It has been found that there are advantages to loading smaller shot (preferably 3 shot or 4 shot) first, and then loading larger shot (preferably 1 shot or 2 shot) so that the larger shot leaves the cartridge first when the shot shell is fired. In a preferred embodiment, the cartridge contains 40% to 60% large shot, and the remainder of shot pellets in the cartridge is smaller shot. In an alternate embodiment, the large shot may be loaded first, and the smaller shot loaded last, so that the smaller shot leaves the shot shell first.

Abstract: A tail portion for a fin-stabilized projectile includes at least two deployable fins, which are inclined. The fins are arranged in at least two sections, which are arranged adjacent to another in the axial direction.

Abstract: This invention describes embodiments of door breaching grenades (100,100a,100b,100c,100d). Each grenade comprises a projectile (101,101a,101b,101c,101d) coupled to a propulsion cartridge (105); each projectile comprises a shell (110), a body member (140) and an ogive (180). A safe-and-arm mechanism (150) is located in the body member. A seat member (160) and a plunger (166) are assembled on a forward face of the body member so that a leading end of the plunger is in contact with an inside tip surface of the ogive, or a hollow guide member (184) is integrally formed with an inside tip surface of the ogive. In the armed state, upon impacting on a door/barricade (5), the plunger or hollow guide/sleeve impinges on a detonator pin (164), which then sets off a chain of explosive charges (152, 120, 122) whilst the projectile is still outside the door/barricade. The grenade is made substantially of polymer parts.

Abstract: A holding device and method for decreasing the contact-impact event on sub-projectiles when fired from a barrel, cylinder, carrier shell or the like includes a core and at least two legs that at least partially enclose at least one sub-projectile each. When a projectile is fired from a barrel or the like the sub-projectiles load the legs of the device which are deformed and open up and release the sub-projectiles in a controlled manner without tumbling which leads them to hit and penetrate their target with the short-side. A holding device including sub-projectiles and a projectile including the holding device are also provided.

Abstract: Disclosed is a hybrid electric torpedo that includes an igniter having a resistance, a current source, and a contactor. The torpedo includes a controller having input channels operable to receive a battery state of charge and the resistance and output channels configured to operate the contactor to control the current source of the igniter. The controller includes stored memory instructions operable upon execution to operate the contactor to conduct current through the igniter such that a temperature of the igniter increases. The contactor is operated responsive to the battery state of charge being less than a predetermined state of charge threshold and the resistance being less than a predetermined open circuit threshold.

Abstract: Disclosed is a multiple start torpedo including an aft body having an exhaust conduit defining a turbine end and a seawater end having an orifice. The multiple start torpedo includes an exhaust valve associated with the exhaust conduit including. The exhaust valve includes a fore section having a head and a valve stem. The exhaust valve includes an aft section tapered from the turbine end to the seawater end and defining a receptacle sized to receive the valve stem. The exhaust valve includes a biasing member disposed to bias the head in an extended position spaced apart from the aft section and abut the orifice in the extended position.

Abstract: Self-selecting switch devices, perforating gun systems including the devices, and methods of using the gun systems are provided herein. A self-selecting switch device includes a microcontroller, a logic circuit, and a first switch. The microcontroller is configured for direct operative connection to a shooting panel and to other self-selecting switch devices, wherein the microcontroller is programmed to detect a presence of other self-selecting switch devices that are operatively connected thereto. The first switch is operative to electrically connect a shooting panel to a detonator. The first switch is under operational control of the microcontroller. The logic circuit is in electrical communication with the microcontroller and the first switch. The logic circuit is configured to selectively direct electrical current to the microcontroller or to the first switch.

Abstract: The invention allows improved planning and implementation of blasting operations. The location of a hand-held apparatus (200) is determined based on signaling received by a high-accuracy positioning unit (220). If the location corresponds with a location of a bore hole in a stored blasting plan, an electronic detonator selected by a user is identified based on its identifier read by a NFC reader (230) of the hand-held apparatus (200), and the stored blasting plan is updated with the hand-held apparatus (200) to indicate that the assigned electronic detonator has been set in the bore hole.

Abstract: A sleeve for use in combination with a tape measure includes an elastomeric main body surrounding a cavity, the main body being sized and configured for snug fit engagement of the tape measure; a plurality of openings formed on the main body; a first one of the plurality of openings surrounding a tape opening of the tape measure, such that the tape may be selectively passed therethrough; a second one of the plurality of openings for surrounding a tape measure control of the tape measure, such that the tape measure control may be selectively actuated therethrough; a third one of the plurality of openings for surrounding a clip of the tape measure, such that the clip may be selectively operated therethrough; a metallic plate being structured and disposed for magnetically securing a magnet element of a writing instrument; and a pocket for receipt of the writing instrument.

Abstract: Surface measuring apparatus for measuring a surface of a workpiece has a probe for contacting the surface of workpiece, a feed apparatus for moving probe relative to surface of the workpiece along a feed axis for sampling surface of workpiece. The probe outputs a probe output signal during sampling of the workpiece. An evaluation apparatus is in data transmission connection with probe and is designed and programmed to reconstruct the profile of the surface of workpiece based on the probe output signal. Evaluation apparatus is designed and programmed to determine an apparatus frequency signature representing characteristic natural frequencies of the surface measuring apparatus, and an analyzer is provided which detects and analyzes the temporal course of the apparatus frequency signature, such that the functional state of the surface measuring apparatus is assessed based on the temporal course of the apparatus frequency signature.

Abstract: A bend sensor comprising a sensor section in which a polymer electrolyte film is sandwiched between a pair of electrode films, wherein each of the electrode films contains: a block copolymer (Z) having a polymer block (S) composed of a structural unit derived from an aromatic vinyl compound, and containing an ion-conducting group, and an amorphous polymer block (T) composed of a structural unit derived from an unsaturated aliphatic hydrocarbon; and a conducting particle; which block copolymer (Z) forms a lamellar structure, which bend sensor therefore allows generation of enhanced voltage between the electrode films when deformation of the sensor occurs as it follows movement of an object, is provided.

Abstract: A method, device and electronic apparatus for estimating physical parameters are disclosed. The method includes: reading a Newton's rings fringe pattern obtained by performing an interferometric measurement on a unit to be measured; obtaining the number and length of first-direction signals of the Newton's rings fringe pattern; performing, for each of the first-direction signals, a discrete chirp Fourier transform (DCFT) on the first-direction signal based on each first chirp rate parameter within a range of the length of first-direction signals, to obtain a first magnitude spectrum of an intensity distribution signal in a DCFT domain; determining a first chirp rate parameter and a first frequency parameter corresponding to a first magnitude peak value based on the first magnitude spectrum; and estimating the physical parameters involved in the interferometric measurement at least according to the first chirp rate parameter and first frequency parameter corresponding to the first magnitude peak value.

Abstract: A system and method for measuring three-dimensional (3D) coordinate values of an environment is provided. The method including moving a scanning platform through the environment along a path. The position of the scanning platform is localized using the scanner. 3D coordinate values are with a 3D scanner that is coupled to the scanning platform.

Abstract: A sub-pixel displacement measurement method based on a Tikhonov regularization, including the following steps: collecting two images before a structure is deformed, and recording the two images as reference images; collecting an image after the structure is deformed, and recording the image as a target image; extracting grayscale matrices in the two reference images, recording the grayscale matrices as f0 and f1, and calculating a noise level parameter ? of the two reference images: taking a pixel point to be measured as a center point, extracting a square region in the target image, recording a grayscale matrix of the square region as g, and using a Tikhonov regularization method to separately obtain grayscale gradient matrices of the square region along an x direction and along a y direction; and calculating a sub-pixel displacement of the structure by using the grayscale gradient matrices.

Abstract: An image acquisition device and a measuring method for geometric parameters of a specific developing area on a concrete test block. In the image acquisition device, a digital camera is provided on a camera support; the camera support is provided with a screw bearing which is connected to a first stepping motor via a first coupling; the camera support is provided on a screw slideway which is connected to a second stepping motor via a second coupling; the screw slideway, the first stepping motor and the second stepping motor are provided on a rear platform of a L-shaped base; a spirit level and a controller are respectively provided at two sides of the rear platform of the L-shaped base; and a reference glass plate is arranged on a front raised platform of the L-shaped base.

Abstract: An apparatus monitors positions on an external object having at least one beacon (1(i), i=1, 2, . . . , I) attached to it. The apparatus has an image sensor (11), a lens system (13) and a processing unit (9). The lens system (13) receives at least one light beam (5(i)) transmitted from the at least one beacon (1(i)) and transfer the at least one light beam (5(i)) to the image sensor (11). The image sensor (11) forms image data. The processing unit (9) identifies the at least one beacon (1(i)) within the image data based on the at least one light beam (5(i)), determines current location data of the at least one beacon (1(i)) based on the image data, compares the current location data with former location data of the one or more beacons (1(i)) as stored in a memory (15) and determines whether the object has moved relative to a fixed reference frame based on the comparison.

Abstract: Example embodiments add an optical amplifier to an multi-channel, continuously swept OFDR measurement system, adjust amplified swept laser output power between rising and falling laser sweeps, and/or utilize portions of a laser sweep in which OFDR measurements are not typically performed to enhance the integrity of the OFDR measurement system, improve the performance and quality of OFDR measurements, and perform additional measurements and tests.

Abstract: A light emitting element array includes: a light emitting element group that includes plural light emitting elements; and plural lenses that are provided, corresponding to the plural light emitting elements, on a light emitting surface side of the plural light emitting elements, and that deflects light emitted from the plural light emitting elements according to a positional relation with the plural light emitting elements. Distances between central axes of light emission of the plural light emitting elements and central axes of the plural lenses corresponding to the plural light emitting elements increase from a center side of the light emitting element group toward an end side of the light emitting element group, and a degree of change in the distances decreases from the center side of the light emitting element group toward the end side of the light emitting element group.

Abstract: A structured light projection system includes an array of light emitting elements operable, collectively, to emit a regular pattern of light. A first optical element is configured to alter the pattern of light emitted by the array of light emitting elements to generate a first irregular pattern of light, and a second optical element is configured to receive the irregular pattern of light generated by the first optical element and to produce a pattern comprising multiple instances of the first irregular pattern.

Abstract: An apparatus, a method, and a computer program for determining a chamfer property of a workpiece chamfer are provided. The method includes generating measurement points along at least a first measuring path, the first measuring path running over a first chamfer edge, determining at least one unadapted compensating element for the measurement points of the first measuring path, and determining a spatial position of the first chamfer edge depending on a deviation between the measurement points of the first measuring path and the at least one unaptaded compensating element.

Abstract: Systems and methods for three-dimensional computer modeling of buildings are disclosed, including a method comprising generating, with a computer processor, a 3D model of walls of a structure and a wall area measurement estimate report, using the 3D model of the walls, displaying multiple line drawings of a building having a roof.

Abstract: A road inclination estimating apparatus is configured to acquire power spectrum density of vertical vibration by a frequency analysis based on the detected vertical acceleration of the sprung mass of a vehicle. The apparatus is configured to determine that a first estimation condition is satisfied, when the power spectrum density has two of the acquired peak frequencies, wherein, one of the two of the peak frequencies is within a predetermined first frequency range, and the other one of the two of the peak frequencies is within a predetermined second frequency range.

Abstract: A system and method for leveling a selected surface of a structure. The system includes a handheld mobile device and a platform leveling assembly (PLA) supportable on a structure to be leveled. The PLA includes a PLA controller and a PLA receiver communicatively coupled with the PLA controller. The handheld mobile device includes a tilt sensor configured to sense an attitude of a selected surface on which the handheld mobile device is placed; an output device configured to provide an indication to a user; an input device configured to receive input from the user; a transmitter configured to send wireless signals to the PLA receiver; and a mobile device controller communicatively coupled to the tilt sensor, the output device, the input device, and the transmitter and configured to cause the output device to provide an indication of the sensed attitude of the selected surface.

Abstract: A target reflector search device. This device comprises an emitting unit for emitting an emission fan, a motorized device for moving the emission fan over a spatial region, and a receiving unit for reflected portions of the emission fan within a fan-shaped acquisition region, and a locating unit for determining a location of the reflection. An optoelectronic detector of the receiving unit is formed as a position-resolving optoelectronic detector having a linear arrangement of a plurality of pixels, each formed as an SPAD array, and the receiving unit comprises an optical system having an imaging fixed-focus optical unit, wherein the optical system and the optoelectronic detector are arranged and configured in such a way that portions of the optical radiation reflected from a point in the acquisition region are expanded on the sensitivity surface of the optoelectronic detector in such a way that blurry imaging takes place.

Abstract: A micromechanical rotation rate sensor system and a corresponding manufacturing method are described. The micromechanical rotation rate sensor system includes a first rotation rate sensor unit drivable rotatorily about a first axis in an oscillating manner for detecting a first outside rotation rate about a second axis and a second outside rotation rate about a third axis, the first, second and third axes being situated perpendicularly to one another, and a second rotation rate sensor unit linearly drivable by a drive unit along the second axis in an oscillating manner for detecting a third outside rotation rate about the first axis. The second rotation rate sensor unit is connected to the first rotation rate sensor unit via a first coupling unit for driving the first rotation rate sensor unit by the drive unit.

Abstract: One example includes a FOG assembly including a spool that includes a flattened portion corresponding to a flange comprising an axial center corresponding to a sensitive axis about which an associated FOG system is configured to measure rotation. The FOG assembly also includes a magnetic shield arranged as a capped concentric cover about the sensitive axis and coupled to the spool and the flange to create a toroidal cavity between the magnetic shield and the flange. A fiber coil is disposed within the toroidal cavity and coupled to the flange. The fiber coil includes an optical fiber which is counter-wound in first and second orientations. The fiber coil has an axial dimension along the sensitive axis that is less than or equal to approximately 160% of a radial width corresponding to a difference between an outer radius and an inner radius of the fiber coil.

Abstract: The present invention provides an innovative apparatus and method for onboard spacecraft location determination and navigation by employing observations of extrasolar planetary star systems. In one apparatus embodiment a gas absorption cell is placed between a sensor and the light from a reference star system with at least one exoplanet, such that the sensor can detect the spectrum through the gas absorption cell. Radial velocities can be calculated via Doppler Spectroscopy techniques and incorporated into a spacecraft navigation solution. Additional embodiments incorporate other spacecraft sensor or system data to derive a filtered navigation solution. The present invention can enable and enhance significant mission capabilities for future manned and unmanned space vehicles and missions.

Abstract: A computer-implemented method of determining a location of a mobile device, the method comprising receiving inertial data generated at the mobile device, the inertial data comprising a plurality of samples taken at different times, segmenting the inertial data into pseudo-independent windows, wherein each pseudo-independent window comprises a plurality of the samples and wherein one or more initial states for each pseudo-independent window are treated as unknown, estimating a change in navigation state over each pseudo-independent window using the samples of inertial data, and summing the changes in the navigation states over the pseudo-independent windows so as to determine the location of the mobile device.

Abstract: An apparatus, method, and computer readable medium related to determining the position of a device, for example determining the pose of a camera. Varying embodiments discuss the use of sensors and captured images to construct an environment property map, which provides reference information in the form of environment properties that are associated with positions, such as camera poses. Embodiments of the disclosure discuss using the environment property map online (e.g. in real time) in order to determine the position of a device. In some embodiments, the environment property map provides a coarse position that is used to refine or limit the necessary work for determining a more precise position.

Abstract: A three-dimensional map generation system generates three-dimensional map information using measured data acquired by a measuring vehicle which moves within a measurement area. A generation unit regards a data lacking area which is acquired from the measurement area based on first measured data transmitted from the measuring vehicle and which lacks measured data for generating a three-dimensional map, as a defective area, and generates interpolation data for interpolating three-dimensional map information of the defective area.

Abstract: An image data generation device for a vehicle, communicates with a server that recognizes an image in at least one of a basic map data, an aerial photograph data, and a navigation map data, recognizes an image data generated by an in-vehicle camera, and generates a travelling trajectory data for autonomous driving. The image data generation device for the vehicle includes: a segment image data generation unit that generates an image data for each segment as a segment image data from an image data generated by an in-vehicle camera; and a data transmission unit that transmits the segment image data generated by the segment image data generation unit to the server.

Abstract: An information processing device includes a control unit configured to perform: determining a replenishment commodity which is a commodity with which a mobile-shop vehicle is to be replenished based on sales conditions of a plurality of types of commodities when the commodities are sold by the mobile-shop vehicle in a predetermined sales territory; and creating a traveling plan for the mobile-shop vehicle based on information on a purchase location in which the replenishment commodity is to be purchased.

Abstract: A transportation vehicle navigation method with a navigation system of a transportation vehicle for determining at least one route and navigation based on the determined route according to a position of the transportation vehicle. The method includes detecting at least one environmental characteristic of the transportation vehicle, specific for at least one emission of the transportation vehicle, by at least one sensor of the transportation vehicle to determine a detection result; performing an evaluation of the detection result to determine an evaluation result; and adapting the determined route during the navigation based on the evaluation result.

Abstract: Vehicle navigation systems and methods may generally provide navigation instructions in a vehicle. A navigation guidance session to a destination may be initiated at a telematics unit installed to the vehicle. Upon determination that the vehicle has been parked, example methods and systems may facilitate continuing the navigation guidance session when a park time duration is less than a pedestrian travel time associated with pedestrian travel from the vehicle parking location to the destination. Alternatively, terminating the navigation guidance session may be facilitated when the park time duration is at least equal to the pedestrian travel time.

Abstract: Multi-modal itineraries may be scheduled by setting a time to request a future transportation mode. An itinerary including a set of transportation modes to allow a rider to travel from an origin to a destination may be obtained. A first non-self-controlled transportation mode from the set of transportation modes may be obtained. A second non-self-controlled transportation mode from the set of transportation modes may be obtained. A request time for the second non-self-controlled transportation mode may be scheduled.

Abstract: The present invention identifies a danger spot effectively. In a navigation device 10, a danger spot identification unit 34 identifies a jump-out danger spot on the basis of past information which is acquired by a past information acquisition unit 24 and indicates a situation of a jump-out accident in the past, and surrounding information which is acquired by a surrounding information acquisition unit 32 and indicates a surrounding situation of a vehicle. Here, the past information includes surrounding facility identification information (information related to an identification planimetric feature) used for identifying a jump-out danger spot and information related to a jump-out object. As a result, the danger spot identification unit 34 can identify a danger spot of a jump-out which can occur due to a planimetric feature (a facility) in a jump-out accident. Therefore, the navigation device 10 can identify a jump-out danger spot effectively.

Abstract: An in-vehicle information display apparatus and a method of controlling the same output outputting various pieces of information using image output devices disposed on a rear surface of a protrusion type information display apparatus. The protrusion type information display apparatus applied to a vehicle includes an output region determination unit configured to, upon detecting that an event occurs, determine an image corresponding to the event and an output region, among a plurality of regions of a windshield, a screen correction unit configured to correct the determined image to match the determined output region, and a projector unit disposed on a rear surface opposite to a front surface on which a display is disposed and configured to project the corrected image onto the determined output region.

Abstract: Embodiments of the disclosure provide methods and systems for updating a HD map using a plurality of point cloud data frames. The method may include receiving, by a communication interface, a first data frame of a target region acquired by at least one sensor. The method may further include constructing, by at least one processor, a local HD map based on the first data frame. The method may also include receiving, by the communication interface, a second data frame of the target region acquired by the at least one sensor. The method may also include updating, by the at least one processor, the local HD map using the second data frame based on relative location and pose information associated with the second data frame relative to the local HD map, and updating, by the at least one processor the HD map based on the updated local HD map.

Abstract: A system and a method for supporting an autonomous vehicle are provided. The system may include a communicator configured to receive a driving route transmitted from a vehicle and a processor configured to extract a service section included in the driving route and to provide the vehicle with customized autonomous driving software for each service section of a plurality of service sections.

Abstract: A method, apparatus, and computer program product are provided for determining a location of on-street parking. The method includes receiving a plurality of individual probe points along a section of a roadway. Each individual probe point is associated with a location where each probe point was captured by one of one or more vehicles on the section of the roadway. The method also includes selecting one or more of the plurality of individual probe points based on a speed of the one or more vehicles associated with each probe point at a time the probe point was captured. The method further includes comparing the location of the selected probe points with a known roadway representation. Based on the comparison, the method also includes determining one or more groupings of a plurality of potential parking spaces along the section of the roadway. A corresponding apparatus and computer program product are provided.

Abstract: An information providing device including: a destination setting unit configured to set a destination of a motor-driven vehicle based on an input operation of a user of the motor-driven vehicle; a charging equipment retrieving unit configured to retrieve whether there is charging equipment by which the motor-driven vehicle is able to be charged at the destination; and a route providing unit configured to change a route on which the motor-driven vehicle moves to the destination depending on whether there is charging equipment at the destination and to provide the route to the user of the motor-driven vehicle.

Abstract: A control device includes: an obtaining unit configured to obtain location information of an electric bicycle and operation information obtained by the vehicle; a calculation unit configured to generate environment information indicating an estimated travel environment of the electric bicycle based on the operation information; and a storage unit configured to store the location information and the environment information. The calculation unit is configured to generate an updated map by associating the location information with the environment information, and reflecting the location information and the environment information on a map.

Abstract: Systems and methods for managing an overlay of a vision system display on a display associated with a vehicle are provided. The method includes receiving a ground position that indicates a proximity of the vehicle to ground and determining the ground position is below a proximity threshold. The method includes based on the determining the ground position is below the proximity threshold, receiving, an attitude of the vehicle and determining, the attitude is within an attitude threshold. The method includes, based on the determining the attitude is within the attitude threshold, receiving, image data from a camera coupled to the vehicle and determining, based on the image data that the image data is unobscured. The method includes outputting, a disable command to control the display to disable the rendering of the overlay of the vision system display on the display.

Abstract: Disclosed are systems, methods, and non-transitory computer-readable medium for an Extended-range Twin-engine Operational Performance Standards (ETOPS) flight evaluation. One system may include a dispatcher flight tracker application configured to integrate with one or more data services, in order to predict possible alternate airports and real-time aircraft fuel usage and plan for an ETOPS operation during flight. The dispatcher flight tracker application may present the ETOPS flight evaluation to both the dispatcher and aircraft crew.

Abstract: A gearshift device is provided. The gearshift device includes a magnetic plate and sensors for sensing the magnetic plate to output a gear signal. The magnetic plate includes M coding regions for distinguishing M gears, and at least two coding regions of the M coding regions share a same region of the magnetic plate. M is a positive integer greater than or equal to 2.

Abstract: A method of detecting a vibration comprises determining a vibration flag has been set during a running mode of the magnetic field sensor, remaining in the running mode until a predetermined number of vibration flags have been set, and entering a recalibration mode when the predetermined number of vibration flags have been set. A counter can be implemented for each of the plurality of vibration flags to determine if the predetermined number of vibration flags have been set.

Abstract: A method of detecting a vibration comprises determining a vibration flag has been set during a running mode, entering a vibration mode, providing direction information for a target object during the vibration mode of the magnetic field sensor, holding onto positive peak values and negative peak values of the magnetic field signal during the vibration mode of the magnetic field sensor, and returning to the running mode after receiving at least two clock cycles of the magnetic field signal with no further vibration flags set.

Abstract: It is provided a sensor device comprising: a proximity sensor (10); a processor (11); a wireless communication module (13); and a memory (14). When the sensor device is in a first functional state (20, 20a, 20b) and the proximity sensor detects a predetermined change in its proximity, the sensor device is configured to transition from the first functional state, in which wireless communication is inactivated, to a second functional state (21), in which wireless communication module is enabled. The predetermined change in its proximity is a removal of transport protection, comprising removal of a metallic tape over the proximity sensor, whereby the proximity sensor is capable to detect the removal of the metallic tape based on inductive sensing.

Abstract: A method and system of a predictive maintenance IoT system comprises receiving a plurality of sensor data over a communications network and determining one or more clusters from the sensor data based on a pre-determined rule set. Further, the sensor data is classified through a machine learning engine and the sensor data is further base-lined through a combination of database architecture, data training architecture, and a base-lining algorithm. Intensity or degree of fault state is mapped to a fuel gauge to be depicted on a user interface and a predictive maintenance state is predicted through a regression model and appropriate alarm is raised for user action.

Abstract: Methods and apparatus for sensor including a die, a leadframe having opposed first and second surfaces, the leadframe supporting the die on the first surface, lead fingers to provide electrical connections to the leadframe and to the die; and a component electrically coupled to the leadframe and to a first one of the lead fingers such that the component is an integrated part of the IC package. The leadframe may have a cutout region in which the component is positioned.