501results about "Indication/recording movement" patented technology

A system for self-executing enhanced interaction with a node-based logistics receptacle. The system includes a wireless accessory sensor node disposed on the node-based logistics receptacle to monitor storage receptacle components of the node-based logistics receptacle to generate sensor data. The system includes a bridge node disposed on the node-based logistics receptacle that uploads information related the sensor data, detects an external device separate from the node-based logistics receptacle, communicates with the external device to establish a smart contract based connection that provides an interaction privilege, interfaces with the external device according to the interaction privilege, and transmits an update message to the backend server that corresponds to at least a portion of the uploaded information related to the sensor data and information related to interfacing with the external device.

A dynamic learning server-based logistics system includes a node-based logistics receptacle operative to receive a delivery item as part of a logistics transaction and also includes a backend server maintaining a management profile related to operation of the node-based logistics receptacle. The node-based logistics receptacle includes a plurality of monitored receptacle components, a wireless accessory sensor node having a plurality of sensors, and a bridge node operative to retrieve event information from the wireless accessory sensor node. The backend server receives the retrieved event information, compares the retrieved event information with the management profile, identifies a threshold change condition from the comparison, dynamically revises the management profile when the threshold change condition is identified, and transmits an adjustment message to the bridge node. The adjustment message is based upon the revised management profile, and the adjustment message initiates a timing change to operation of the bridge node.

A node-enabled logistics receptacle system with a deployable storage element for receiving and temporarily maintaining a delivery item. The system includes a storage receptacle with an entrance opening for receiving the delivery item and a deployable autonomous mobile container as the deployable storage element. A first node is mounted to the storage receptacle and includes a first node processor, a first node memory, a communication interface, and a plurality of sensors including an interaction sensor and a storage sensor. The first node detects a change in the state of the entrance opening, determines a current condition of what is presently maintained within the deployable autonomous mobile container, generates a deploy activation signal, and transmits the deploy activation signal to the deployable autonomous mobile container to initiate movement by the deployable autonomous mobile container from the host position within the storage receptacle to a position external to the storage receptacle.

The invention discloses a three-dimensional magnetic field bionic seal beard sensor based on a Hall effect. The sensor comprises a mounting frame, a Hall chip, a universal joint component, bionic beards and magnets, wherein the Hall chip and the universal joint component are arranged on the mounting frame; the bionic beards are arranged on the universal joint component; the universal joint component is used for enabling the bionic beard to swing in a first direction and a second direction in a reference plane perpendicular to the center line of the bionic beard after the bionic beard is subjected to the acting force of fluid, the first direction is perpendicular to the second direction, and the universal joint component enables the bionic beard to reset after the bionic beard is not subjected to the acting force of the fluid; the magnetic flux density of the magnets changes along with the movement of the bionic beards; the Hall chip is used for sensing magnetic field information. While the characteristics of strong environmental adaptability and high sensitivity of a conventional bionic beard sensor are reserved, the limitation of one-way sensing of the sensor is broken through, the synchronous detection capability of the flow velocity, the flow direction and the vortex street frequency is improved, and the application range of the sensor in a complex underwater scene is widened.

There is provided a sensor unit for a fastener assembly, the sensor unit comprising a mounting arranged to rigidly attach the sensor unit to, or adjacent to, a fastener assembly; and a sensor, that is an optical flow sensor or an inductive sensor, configured to sense movement of the fastener assembly. The sensor unit may comprise a processor arranged to process the output of the sensor to detect loosening of the fastener assembly and to output a signal representing the status of the fastener assembly. The sensor unit may comprise a wireless communication unit arranged to communicate the signal.

The invention discloses a non-contact method for measuring a three-dimensional flow velocity field in a pipeline based on acoustic Doppler, and the method comprises the steps: transmitting a focused sound beam into the pipeline, receiving an echo signal reflected by a scatterer in fluid, and generating a Doppler echo signal set covering different angles and depth positions; performing pulse compression and time-frequency analysis on the Doppler echo signal set, and calculating the sight flow velocity component of each point along the sound beam direction; calculating a three-dimensional flow velocity vector of each sampling point based on the coordinate position of each space sampling point and the corresponding sight line flow velocity component, and realizing decoupling of the flow velocity direction and size; according to the spatial distribution of the three-dimensional flow velocity vector on the section of the pipeline, a three-dimensional flow velocity field model in the pipeline is generated through interpolation fitting, and section flow and flow state characteristic parameters are calculated according to the model. According to the embodiment of the invention, the limitation that only two-dimensional or one-dimensional flow velocity can be measured in a traditional method can be broken through, and the spatial resolution and measurement precision of flow velocity field reconstruction in a complex flow state are improved.

The present disclosure relates to an airflow sensor unit for an aerial vehicle, the airflow sensor unit. The airflow sensor unit comprises a housing, with a plurality of openings defined in the housing. Each opening faces in a different direction to the other openings. The airflow sensor unit further comprises a plurality of conduits, wherein each conduit is in fluid communication with a corresponding opening. The airflow sensor unit further comprises a plurality of sensor arrangements, wherein each sensor arrangement is configured to measure a pressure within one or more of the conduits.

A wind estimation apparatus includes an acquisition unit and an estimation unit. The acquisition unit acquires a target image of a target region. The estimation unit estimates at least one of a direction and strength of wind in the target region by using the target image.

To provide an ultrasonic anemometer in which reliability is enhanced by reducing the possibility of occurrence of trouble.SOLUTION: The ultrasonic anemometer 100 includes a housing, an ultrasonic transceiver mounted on the housing, and a vibration isolating member covering a part of an upper surface of the ultrasonic transceiver and a part of a side surface of an upper portion of the ultrasonic transceiver, wherein the vibration isolating member is sandwiched between the ultrasonic transceiver and the housing, and a wiring connected to the ultrasonic transceiver is drawn upward from the upper surface of the ultrasonic transceiver exposed from the vibration isolating member.SELECTED DRAWING: Figure 4

The utility model provides a speed sensor which comprises a PCB and a sensor circuit arranged on the PCB, the sensor circuit comprises a power-assisted control unit MCU, a Hall element U1 and a Hall element U2, the Hall element U1 is connected with the input end IN1 of the power-assisted control unit MCU, the Hall element U2 is connected with the input end IN2 of the power-assisted control unit MCU, the Hall element U1 is connected with the input end IN1 of the power-assisted control unit MCU, and the Hall element U2 is connected with the input end IN2 of the power-assisted control unit MCU. The output end OUT of the power-assisted control unit MCU outputs a control signal Signal, the Hall element U1 and the Hall element U2 are arranged in tandem in the rotating direction of the rotating shaft, and the triggering magnetic field intensity of high and low level conversion output by the Hall element U1 and the Hall element U2 is + / -5Gs. The two Hall elements are arranged in tandem, so that the rotating direction of the middle shaft can be judged while the speed is detected, and a wrong power-assisted signal is prevented from being output.

The utility model discloses a wind direction measuring device for sports events, which belongs to the technical field of sports events and comprises a vertical rod, a first fixing block is arranged on the surface of the upper end of the vertical rod, a wind indicator is arranged on one side of the first fixing block, an indicating component is arranged on the other side of the first fixing block, and an auxiliary inserting structure is arranged on the surface of the lower end of the vertical rod. According to the wind direction indicator, the indicating assembly is arranged, the installation cylinder is installed on the surface of the vertical rod through the fixing ring, the length of the indicating rod is adjusted, the lower end of the indicating rod corresponds to the indicating ring in the installation cylinder, when wind drives the first fixing block to rotate, the indicating rod rotates, and the wind direction can be conveniently and accurately determined by observing the sculpture of the corresponding scale plate; the protective assembly is arranged, the protective barrel is fixed to the outer side of the disc through meshing of the outer threaded sleeve and the inner threaded plate, the pointed cone and the tip end of the auxiliary rod can be shielded, and therefore accidental injury to workers when the device moves can be avoided, and safety is high.

To provide an ultrasonic anemometer capable of improving measurement accuracy. [Solution] The ultrasonic anemometer 100 comprises an ultrasonic oscillator that emits ultrasonic waves, an ultrasonic receiver that receives ultrasonic waves emitted from the ultrasonic oscillator, and a control circuit that controls the emission of ultrasonic waves by the ultrasonic oscillator and processes data received by the ultrasonic receiver. The control circuit calculates the variance of the first received data received by the ultrasonic receiver when the ultrasonic oscillator is not emitting ultrasonic waves, and determines that a high wind speed state is in which the wind speed is higher than a first reference value if the value of the variance exceeds a first determination threshold.

The application discloses a non-orthogonal transducer array three-dimensional ultrasonic wind speed and direction instrument which can be carried on a unmanned aerial vehicle and applied to the field of wind speed and direction instruments, and the non-orthogonal transducer array is adopted to reduce the influence of turbulence on wind measurement accuracy; when the turbulence degree generated by one group of transducers is relatively large, the other two groups of transducers can compensate the data, so that high-precision wind speed and direction measurement is realized; meanwhile, when the unmanned aerial vehicle encounters strong wind, the probe fixing rod will be broken, so that the unmanned aerial vehicle is prevented from losing control due to the large wind area of the orthogonal annular support, and the fixed base plate and the elastic thin rod are arranged to recycle the broken and fallen orthogonal annular support and ultrasonic probe, so that the high-altitude falling object is not easy to form, and the orthogonal annular support and the ultrasonic probe are effectively protected, the subsequent recycling and reuse of the orthogonal annular support and the ultrasonic probe are facilitated, and the wind direction and speed detection in strong convection weather such as strong wind is applicable.

An aircraft system having a LIDAR system, one or more sensors, and a control unit. The control unit includes processing circuitry configured to calculate during flight a pressure altitude, calibrated airspeed, Mach number, equivalent airspeed, static temperature, static pressure, and dynamic pressure of an aircraft based on a combination of air data measurements from the LIDAR system and the one or more sensors.

The embodiment of the application provides a window-cleaning robot motor rotation direction detection method and related device, and relates to the cleaning technical field.The method comprises the following steps: obtaining a pulse signal of a detection sensor; the detection sensor comprises a single-phase Hall sensor and / or a single-phase photoelectric sensor; and the rotation direction of the motor is determined according to the characteristics of the pulse signal.The above method replaces the traditional dual-phase Hall sensor or dual-phase photoelectric sensor with the single-phase Hall sensor and / or the single-phase photoelectric sensor, uses the time sequence characteristics of the pulse signal output by the single-phase Hall sensor and / or the single-phase photoelectric sensor to realize high-precision and high-reliability detection of the motor rotation direction, and effectively reduces the complexity of the cost system of the window-cleaning robot.

Automated methods may comprise automatically converting a ballistic trajectory of a projectile into a ballistic flight path. The ballistic flight path may comprise one or more segments. Each of the segments may comprise a plurality of coordinates. The coordinates may be located along the ballistic trajectory. The automated method may comprise automatically navigating an Unmanned Aerial Vehicle (UAV) along the ballistic flight path. The automated method may comprise automatically collecting environmental data along the ballistic flight path through employment of the UAV.

The invention discloses a roller structure of an automobile steering wheel switch, an automobile steering wheel comprises a shell and a PCB, the PCB is installed in the shell, the roller structure comprises a roller support, a roller body and a gear elastic piece, the gear elastic piece is fixedly installed on the roller support, two sides of the roller body are provided with roller rotating shafts, and the roller rotating shafts are arranged on the roller body. The roller rotating shaft is rotatably connected with the roller support, a magnet is arranged in the roller body, the connecting line of the N pole and the S pole of the magnet is perpendicular to the axis of the roller rotating shaft, the PCB is further provided with a magnetic induction piece matched with the magnet, and when the roller body is shifted to rotate, the magnetic induction piece can sense the change of the S / N pole; one end of the roller support is provided with a connecting lug with a connecting hole, the connecting lug is rotationally connected with a positioning shaft of the shell, a touch rod is arranged in the middle of the roller support, and after the roller body is pressed, the touch rod can be driven to move and conduct a touch switch on the PCB assembly.

TITLE Method for monitoring the operation of a plurality of aeronautical measurement probes, and associated monitoring system and aeronautical measurement architecture. The present invention relates to a method for monitoring the operation of a plurality of aeronautical measurement probes, each probe comprising heating means, the method comprising the following steps: - acquisition (110) of a plurality of consumption data, each consumption data characterizing the electrical consumption of the heating means of one of the aeronautical measurement probes; - determination (120) of at least one similarity relationship between at least two consumption data; - comparison (130) of the similarity relationship(s) with a threshold; - detection (140) of an operating anomaly based on the result of the comparison(s). Figure for the abstract: Figure 3

Some disclosed examples involve receiving ultrasonic receiver signals from an ultrasonic receiver system corresponding to ultrasonic waves generated by a target object responsive to light from a light source system, estimating one or more blood vessel features based, at least in part, on the ultrasonic receiver signals and estimating blood pressure based, at least in part, on the one or more blood vessel features. Some disclosed examples involve receiving inertial sensor data from an inertial sensor system, determining whether the inertial sensor data indicates apparatus motion that exceeds a threshold and controlling a photoacoustic plethysmography (PAPG) system that includes the light source system and the ultrasonic receiver system according to whether the apparatus motion exceeds the threshold.

To enable an air drift due to a film thickness change of an oil film to be appropriately observed, even for an object of a three-dimensional structure.SOLUTION: The present invention includes the steps of: preparing an automobile vehicle; applying a coating of oil film to an observation surface of the vehicle; generating an air flow on the observation surface; and evaluating an air drift on the observation surface from a change of a film thickness of the oil film in a state of an air flow having occurred to the observation surface. The step for applying a coating of the oil film involves forming an oil film as a specific oil film which, when the observation surface includes an inclined or a vertical plane, is applied to the inclined or the vertical plane, oil viscosity and film thickness of which are set so that a drift speed of the specific oil film before an air flow is generated after application to the inclined or the vertical plane is 1.5 mm / minute or less.SELECTED DRAWING: Figure 13

This invention relates to the field of wind direction sensor gimbal technology, providing a wind direction sensor gimbal for mobile platforms and an anti-magnetic interference method. The device includes a servo motor kit, a rotating platform kit, a hexagonal connecting rod, a lithium battery, a PCB circuit board, a wind direction sensor mounting base, and an ultrasonic wind direction sensor. The rotating platform kit is located at the lower part of the servo motor kit and is drivenly connected to it. The rotating platform kit has a hexagonal connecting rod, the PCB circuit board is mounted on the hexagonal connecting rod, the lithium battery is connected to the PCB circuit board, the wind direction sensor mounting base is located above the PCB circuit board, and the ultrasonic wind direction sensor is fixedly mounted on the wind direction sensor mounting base for collecting wind direction and wind speed information. This invention improves the anti-magnetic interference capability and north-pointing reference stability of wind direction sensors in mobile scenarios, and is suitable for mobile platforms such as vehicles, agricultural machinery, and unmanned platforms.

The utility model discloses a meteorological station with a compact structure. The meteorological station comprises a supporting seat, a wind speed detection device and a wind direction detection device, the wind speed detection device comprises a first shaft, a wind rotating body, a wind speed sensor and a wind speed circuit board, the first shaft is provided with a vertically-through hollow area, the first shaft is arranged on the supporting seat, and the wind rotating body is arranged on the outer side of the first shaft in a sleeving mode; the wind direction detection device comprises a second shaft, a wind indicator, a wind direction sensor and a wind direction circuit board, the second shaft penetrates through the upper side and the lower side of the first shaft through the hollow area and can rotate relative to the first shaft, and the wind indicator is located above the wind rotating body and arranged at the upper end of the first shaft. The wind indicator can be stably supported above the wind rotating body, so that the measured wind speed and wind direction data are ensured to be very close to the same position, and the consistency and accuracy of the data are improved. The layout is more compact, and space is saved.

Methods and systems for improved impact detection in a device, such as a head-wearable device, are disclosed. The methods and systems relate to accurately detecting impact events such as falls or vehicular crashes to reduce false positives and enable a swift, appropriate emergency response. A method includes detecting use of the device by a user, for instance, confirming that a head-wearable device is being worn. The method further includes detecting a change in at least one of an orientation or a movement of the device within a threshold time period. An impact is then determined based on the confirmed use of the device and the detected change in its orientation or movement. This approach distinguishes genuine emergencies from non-critical events like dropping the device, thereby improving accuracy and conserving power by intelligently activating additional sensors only when a potential impact is detected.

A jet aircraft having an airflow modification device in its engine duct, the airflow modification device comprising an inlet, an outlet, and a flow path extending from the inlet to the outlet, wherein the device is positioned to receive an incoming airflow and is configured to at least partially modify the airflow within the flow path to improve the ordering of the incoming airflow, the airflow modification device further comprising at least one pitot sensor located at the inlet and integrated with the device, and a pressure line having a first end and a second end, the first end being connected to the pitot sensor and the second end being connected to a transducer, wherein the pressure line is completely enclosed within the device.

The invention discloses a single-antenna integrated navigation automatic driving initial power-on control method and device, automatic driving equipment and a storage medium, and relates to the technical field of automatic driving, and the method comprises the steps: obtaining an initial motion direction when a vehicle is started and a reference path corresponding to the initial motion direction; acquiring a course initial value of the vehicle based on the initial motion direction and the reference path; judging whether the navigation course of the automatic driving system is converged or not based on the course initial value; and when convergence of the navigation course is completed, trajectory tracking control is performed by using course information output by the automatic driving system, and initial power-on of the automatic driving system is completed. The initial course of the vehicle is obtained through the automatic driving system, the influence of the difference of manual driving levels on course initialization precision is avoided, and the course initialization precision of the automatic driving system is improved. When the navigation course is converged, the course information output by the system is used for trajectory tracking control, so that the trajectory tracking control performance is improved.

The invention relates to a motion evaluation method and device, equipment, a storage medium and a computer program product. The method comprises the following steps: acquiring motion sensing data and positioning data of a moving object in a multi-object cooperative motion process; determining a first motion period of the moving object based on the motion sensing data of the moving object, and determining a first motion statistical feature of the moving object in each first motion period based on the motion sensing data in each first motion period; based on the positioning data of the moving object, determining second movement periods of the sports equipment, and based on the positioning data in each second movement period, determining second movement statistical characteristics of the sports equipment in each second movement period; wherein the sports equipment moves based on cooperative movement of multiple objects; and determining the matching degree of the moving object and the sports equipment based on the difference between the first sports statistical feature and the second sports statistical feature.

The invention discloses a millimeter wave radar array-based wind field fan blade integrated monitoring method, which comprises the following steps of: generating a point cloud observation result by performing range direction and Doppler processing on observation data acquired by a millimeter wave radar array at the top of a cabin, and constructing an echo energy time sequence in a fan blade area; and determining the sweep-over period of the fan blade through peak detection. A time slot control sequence is constructed, a fan blade occupation time period is used for point cloud reconstruction, and a non-shielding time period is used for wind measurement. In a fan blade point cloud reconstruction time slot, reconstructing a fan blade point cloud through methods of multi-channel signal synthesis, threshold detection, angle estimation and the like, and extracting blade state parameters; in a wind measurement time slot, a wind speed vector inversion model is established through multi-sight radial speed observation, and the wind speed and the wind direction are obtained by adopting a weighted fusion method. And fusing and outputting the fan blade state parameters and the wind field parameters in a unified coordinate system and a time axis. According to the method, additional wind measurement equipment is not needed, and integrated, continuous and high-reliability monitoring of the wind field and the fan blades is achieved.

The application provides a multi-parameter wind-sand monitoring device and method for a sand collector, relates to the technical field of wind-sand observation and environmental monitoring, and the device synchronously measures wind speed data at different heights through a wind speed gradient measurement module, measures the real-time orientation of the sand collector through a wind direction measurement module to obtain wind direction data, detects sand particle impact through a wind-sand event sensing module and outputs an impact electric signal, and finally, according to the impact electric signal, the starting and ending of a wind-sand event are monitored through an intelligent control module, the starting time, the ending time and the duration of the event are recorded, and the wind-sand monitoring result of the wind-sand event is determined based on the wind speed data and the wind direction data obtained in the wind-sand event period, and the wind-sand monitoring result includes the starting time, the ending time, the duration, the dominant wind direction and the average wind speed at each height in the wind-sand event period. The application can automatically and accurately monitor the whole process of wind-sand movement and provide comprehensive and reliable data support for wind-sand research.

In one embodiment, a probe includes a first facet associated with a first pressure port operable to measure a first wind pressure, a second facet associated with a second pressure port operable to measure a second wind pressure, and a third facet associated with a third pressure port operable to measure a third wind pressure. The second facet is adjacent to the first facet and the third facet adjacent to the second facet. The probe further includes a fourth facet adjacent to the third facet and a fifth facet adjacent to the fourth facet and to the first facet. The first facet, the second facet, the third facet, the fourth facet, and the fifth facet are located between a first end portion and a second end portion of the probe.