746results 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 provides an LSTM underwater robot modeling method based on TPE hyper-parameter optimization, and relates to the technical field of underwater robot modeling, and the method comprises the steps: carrying out the time sequence feature extraction through a memory unit comprising a forgetting gate, an input gate and an output gate, and predicting the state change amount delta Yt'at a t + 1 moment through an output layer; performing iterative optimization on the number of layers and the number of units of the LSTM network and training the model to obtain an optimized LSTM model; evaluating the optimized LSTM model through a multi-step cumulative prediction error, inputting an initial real state into the model to carry out T-step recursive prediction, updating a current state by utilizing a prediction state increment in each step, and finally calculating an average position error and an attitude error in a T-step window on a verification set; and selecting the hyper-parameter combination with the minimum comprehensive error of the verification set as a final model parameter, and completing the dynamic modeling of the underwater robot. According to the method, the problem that the model is inaccurate due to excessive parameterization in a nonlinear dynamic model can be solved.

The invention discloses a water environment pollution traceability system and method. The system comprises a multi-level monitoring module, a flow field reconstruction module, an inversion solving module, an intelligent identification module and a decision judgment module which are connected in sequence. The multi-level monitoring module acquires pollutant concentration and a three-dimensional flow field parameter time sequence in real time, and performs spatial interpolation and time filtering processing on flow field data; the flow field reconstruction module establishes a dynamic source-receptor response matrix according to the pollutant transmission track network; an inversion solving module calculates posterior probability distribution of the parameters; the intelligent identification module identifies the pollution source type through a pre-training classification model; and the decision judgment module comprehensively judges the effective pollution source according to the posterior probability confidence coefficient and the spatio-temporal evolution characteristics. According to the method, flow field reconstruction and probability inference technologies are fused, high-precision identification and parameter estimation of the dynamic pollution source of the water body are achieved, and the problems that in the prior art, mobile pollution sources cannot be effectively treated, and intermittent emission cannot be achieved are solved.

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.

A system may include a static air temperature probe attached to an aircraft, an electronic flight instrument system, and a processor. The processor may be configured to measure a static air temperature at the aircraft using the static air temperature probe. The processor may further be configured to calculate a Mach number associated with the aircraft based at least partially on the static air temperature. The processor may also be configured to calculate a true air speed of the aircraft based on the Mach number. The processor may display an indication of the true air speed using the electronic flight instrument system. The processor may also be configured to calculate the speed of sound based at least partially on the static air temperature.

The utility model provides a wind direction and wind speed measuring device and a steel structure tower device. The wind direction and wind speed measuring device comprises a sampling main body, the sampling main body comprises a plurality of air inlets and at least two air channels, the plurality of air inlets are correspondingly communicated with the at least two air channels, openings of the plurality of air inlets face at least two different directions, and the at least two air channels are mutually independent and extend in different directions; the first temperature detection assemblies are arranged in the air ducts and used for collecting temperature information of at least two different positions in the extending direction of the air ducts. The second temperature detection assembly is arranged inside or outside the air duct and used for collecting environment temperature information. The humidity detection assembly is arranged inside or outside the air duct and used for collecting environment humidity information. The controller is used for calculating wind power data according to the temperature information and the humidity information, and the wind power data comprises wind direction and wind speed. The 360-degree omni-directional wind speed and wind direction measuring device is beneficial to measuring 360-degree omni-directional wind speed and wind direction, wide in measuring range, high in reliability, easy to maintain and high in measuring precision.

A sensing device (100) for collecting a motion signal of a target object and a wearable device comprising the sensing device (100). The sensing device (100) comprises a first sensing unit (120) arranged on a first side face (110-a), facing a target object, of a flexible substrate (110). An electric signal generated by a first sensing unit (120) is conducted to a target position (A) through a first conductive channel (111) arranged on a flexible substrate (110), and the target position (A) is farther away from a target object relative to a first side face (110-a), so that the connection position of the sensing device (100) and an external circuit can be away from the first side face (110-a). The first side surface (110-a), facing the target object, of the sensing device (100) can be kept flat, and non-uniform deformation of the first sensing unit (120) of the first side surface (110-a) is avoided, so that the working stability of the sensing device (100) is improved. Meanwhile, the first side surface (110-a) is kept flat, so that the foreign body sensation when the sensing device (100) is worn can be reduced, and the wearing comfort of the sensing device (100) is improved.

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.

An air data indicating and calibrating arrangement and method for a vertical take-off and landing aircraft, in particular a helicopter, for providing information on an air speed of the vertical take-off and landing aircraft and for providing information on an altitude of the vertical take-off and landing aircraft are described. The vertical take-off and landing aircraft includes a pitot tube device for determining a stagnation air pressure at a position of the pitot tube device and a static port device for determining a static air pressure at a position of the static port device. The air data indicating arrangement includes an air speed and altitude determination module to determine in real-time the air speed and the altitude of the vertical take-off and landing aircraft from flight data by using a regressor obtained by training an artificial neural network with training data.

Provided are a disease-condition assessment device for assessing a disease condition of a subject, a disease-condition assessment method, a program for disease-condition assessment device, and a disease-condition assessment system. The operation-quantity data that the subject operates the vehicle is acquired, the operation-related data in the components of a predetermined frequency range is calculated from the operation-quantity data, the operation value that quantifies the operation-related data is calculated from the operation-related data, and the disease condition of the subject is assessed depending on the operation value.

An insole layer includes a top cover layer, a bottom cover layer, and a flexible printed circuit board disposed between the top cover layer and the bottom cover layer. The flexible printed circuit board includes a motion-tracking device, a processor, and a power supply. The motion-tracking device includes a plurality of sensors, wherein each sensor is configured to detect motion of one of a plurality of sensing areas disposed adjacent to a lower surface of the flexible printed circuit board. The processor is configured to receive motion data generated by the motion-tracking device. The power supply device is coupled to the motion-tracking device and the processor.

A fall detector device (102) for mounting on a wall for monitoring an environment (100), comprising: a motion sensor (204) for detecting motion of a person (106) within a first field of view of the motion sensor; an active reflective wave sensor (206) for detecting the presence of a person within a second field of view of the active reflective wave sensor using wave reflections from the environment, the first and second fields of views at least partially overlapping one another, and a processor coupled to the motion sensor and active reflective wave sensor for receiving output from each of the motion sensor and active reflective wave sensor, wherein operation of the active reflective wave sensor is dependent on a detection of motion of a person within at least a portion of the first field of view by the motion sensor.

The invention relates to the technical field of flow field measurement, in particular to an ocean flow field measurement method and device, and provides the following scheme: the method comprises the following steps: collecting ocean environment parameters through a vertical sensor, determining an overlook angle of an inclination sensor based on an optimization algorithm, and generating a virtual Doppler measurement array through micro-amplitude scanning; inputting to a chaotic oscillator network to identify a Lyapunov exponent maximum direction, and determining a horizontal included angle of a second inclination sensor; furthermore, a frequency shift signal is collected, and the flow velocity and the flow direction are calculated by combining adjusting parameters, so that high-precision and high-adaptability flow field measurement is realized; the method has a dynamic response capability, and is suitable for direction structure identification and real-time flow direction calculation under complex sea conditions.

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

A method and a device for two-dimensional local fluid flow measurement over surfaces are provided. The method comprises providing a device having a set of micro-structures forming a matrix structure, each one of the micro-structures comprising a membrane with an embedded temperature sensitive resistive device; arranging the device over a target surface; measuring, by an electronic unit of the device, a thermal impedance of each one of the micro-structures in the frequency domain; and obtaining, by the electronic unit, a velocity and angle of incidence of a local fluid flow on the target surface using an inverse algorithm that uses the measured thermal impedances.

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.

The invention relates to the technical field of shield tunneling machine hoisting, and discloses an informatization monitoring device, system and method for shield tunneling machine hoisting, and the device comprises a supporting rod which is internally and movably provided with a connecting rod, and the top of the connecting rod is provided with a cross rod; the wind speed monitor is mounted on the top surface of the cross rod and is used for detecting the environment wind speed of the hoisting area; the camera is mounted on the bottom surface of the cross rod and is used for acquiring an environment image of the hoisting area; a monitoring system is arranged in the controller and used for analyzing data collected by the wind speed monitor and the camera, and a loudspeaker receives signals of the controller and gives an alarm. Hoisting area information is collected through the camera and the wind speed monitor, a monitoring system arranged in the controller is used for analysis, and the effect of dynamically adjusting the equipment track in a complex environment is achieved. Compared with the prior art depending on artificial experience or a single module, the problem that deviation caused by environment change is not corrected in time is solved, and the safety of hoisting operation is greatly improved.

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