20 results about "Orientation sensing" patented technology

The invention discloses a mine earthquake monitoring device for deep well layout, and relates to the technical field of monitoring devices, the mine earthquake monitoring device comprises a shell, and a mounting rack is fixed in the shell; the measuring assembly comprises a vibration sensing module and an orientation sensing module which are coaxially fixed on the mounting frame, the vibration sensing module is used for monitoring a vibration signal, and the orientation sensing module is used for acquiring orientation deflection information of the vibration sensing module in real time; the signal processing module is in communication connection with the vibration sensing module and the direction sensing module, and performs direction correction on the vibration signals acquired by the vibration sensing module based on the direction deflection information so as to eliminate monitoring and positioning errors caused by direction deflection; a vibration sensing module and a direction sensing module are coaxially fixed on a rigid mounting frame to form a composite measurement unit with unified internal direction reference; when the device is arranged in a deep well and randomly deflects due to uncontrollable factors, the azimuth sensing module can sense the azimuth change in real time.

The invention belongs to the technical field of optical imaging equipment, and particularly relates to a lens driving device, which comprises a base; the frame is arranged to be capable of moving in the first direction and the second direction relative to the base, and an AF direction induction magnet is arranged at the top end of the frame; the carrier is located in the frame and arranged to be capable of moving in the third direction relative to the frame, a circuit board is arranged on the carrier, an AF direction position sensor is arranged on the circuit board, and the AF direction position sensor is located on the side edge of the AF direction induction magnet; and the AF direction position sensor is matched with the AF direction induction magnet to realize position monitoring when the carrier moves along the third direction. The AF direction induction magnet is arranged on the side edge of the AF direction position sensor, the overall height of the device can be further reduced, and meanwhile, the position monitoring effect in the AF direction is achieved through cooperation of the AF direction induction magnet and the AF direction position sensor.

A motion sensing controller system 10 has a handheld motion-sensing controller 100 and a base 200. The controller 100 has an orientation sensing component in the form of cameras 131,133,135,137. An output signal is generated based on the sensed orientation of the controller 100. The base 200 engages with the controller 100 via a circular groove 113 on the controller 100 and a circular protrusion (213, fig 5) on the base 200. When engaged, rotation of the controller 100 about at least one rotational axis is prevented and the controller 100 is permitted to rotate about another rotational axis.

Devices, a system, and a method for tracking a three-dimensional position of an object absent an external reference. The embodiments include: a tether tied to the object; an encoder associated with the tether so as to measure linear displacement of the tether; at least one orientation sensor configured to sense a spatial orientation of the linear displacement of the tether; a joint configured to associate the orientation sensor with the tether, and to associate the tether with the object without impedance to three-dimensional movement of the object; and a computing system communicative with at least the encoder and the orientation sensor and configured to execute non-transitory computing code capable of the tracking of the three-dimensional position of the object from an initial position according to a combined output from the encoder and the orientation sensor.

The application relates to the technical field of marine orientation sensing of ships, and discloses a ship marine target sensing method and system based on machine vision, which comprises the following steps: using an AD-YOLOv9 algorithm to process incoming image information, obtaining position information and category information of a target image; establishing a coordinate system according to the position information of the target image, marking a target on the target image by using a target prediction box, determining the center point coordinates of the target prediction box based on a deep learning network to determine the center point coordinates of the target, and associating the bow of the ship to determine the absolute orientation and the relative orientation of the target; determining the position of the target relative to the reference point of the ship to determine the direction angle of the target; determining a straight line where the center point of the target and the reference point of the ship are located according to the direction angle of the target, and recording the straight line as a target direction line; calculating and formatting the angle label of the target according to the target direction line, and selecting a position on the target direction line to draw angle label information; and displaying the processed target image.

The utility model discloses a positioning visual communication device. The positioning visual communication device comprises a housing; the control part is arranged in the shell, and the control part is used for processing and calculating position information and / or audio information of a user; the direction positioning assembly is arranged in the shell, the direction positioning assembly is in communication connection with the control part, and the direction positioning assembly is used for determining position information and / or azimuth orientation information of the user; the communication assembly is connected with the shell, the communication assembly is in communication connection with the control part, and the communication assembly is used for inputting or outputting position information and / or audio information; and the transceiving device is connected with the shell, the transceiving device is in communication connection with the control piece, and the transceiving device is used for receiving or sending the position information and / or the audio information. According to the positioning visual communication equipment disclosed by the utility model, the orientation between users can be obtained in a visual manner, and the orientation sensing capability between the users is enhanced.

The invention aims to provide a multi-target direction sensing algorithm of clustering improved MUSIC, which comprises the following steps: step 1, an IRS controller continuously emits a detection signal, the detection signal is finally received by an IRS sensing unit after direct incidence and reflection, and a received signal eeff (t) is obtained; 2, a covariance matrix of the eeff (t) is calculated, eigenvalue decomposition is carried out on the covariance matrix, and an eigenvalue vector lambda is obtained; and step 3, classifying lambda by using a DENCLUE 2.0 algorithm, obtaining an estimated value of a target number, and then obtaining a noise subspace. And 4, carrying out statistics on angles corresponding to recorded peak values by using spectral peak search, so as to obtain a DOA information algorithm of the multiple targets.

The utility model discloses a camera with a direction monitoring function, which comprises a camera body and a direction monitoring system arranged in the camera body, the direction monitoring system comprises a direction sensing module, an alarm module and a communication module; the direction sensing module is used for monitoring the shooting direction of the camera body in real time and generating a corresponding direction signal; the alarm module is used for generating alarm information when the direction signal is changed; and the communication module is used for transmitting the alarm information to a specified receiving terminal. The camera with the direction monitoring function provided by the utility model can send alarm information to the receiving terminal in time when the camera is moved or the shooting direction is changed, so that the safety and reliability of a monitoring system are improved, illegal operation can be conveniently found in time, the safety of a monitored area is guaranteed, and the safety of the monitored area is improved. The system can be widely applied to various places needing safety monitoring, and has wide application prospects and market value.

A motion-sensing controller comprising a handheld controller body. The controller body comprises indicia visible to a user in use and by inspection of which the user can ascertain the orientation of the controller body; an orientation-sensing component configured to sense the orientation of the controller body relative to a predetermined reference orientation; and an output component configured to generate an output signal based on the sensed orientation of the controller body.

This invention relates to the field of augmented reality (AR) technology, and in particular provides an elevator inspection method and system based on AR technology. The method includes receiving a beam and analyzing its phase hysteresis; converting each phase hysteresis value into spatial coordinate values ​​according to the spatial arrangement order of directional reflection units to obtain a longitudinal cross-sectional profile dot matrix composed of spatial coordinate values; synchronizing the longitudinal cross-sectional profile dot matrix with real-time spatial attitude parameters output by an orientation sensing component moving with the inspection device to obtain a virtual ruler grid; projecting the virtual ruler grid onto the surface of the elevator component under inspection; acquiring the offset vector between the projected image of the virtual ruler grid on the component surface and the actual contour of the elevator component under inspection; comparing the offset vector point-by-point with a preset allowable offset threshold to obtain a quantified value of the deviation degree. This invention achieves automated, high-precision, and visualized inspection of elevator component morphology, providing reliable data support for elevator safety status assessment.

A body-wearable light exposure monitoring device uses device orientation sensing to correct device-sensed light levels. The device may be worn on the wrist or at another body part, and its measurements used to estimate a light exposure level experienced by the eyes (retina) of the wearer. In some embodiments, a light exposure calculator of the device accesses light measurements from one or more light-measuring sensors, and orientation measurements from a device orientation sensor. The light measurements are adjusted, using the orientation measurements, to calculate an estimated level of physiologically active exposure to light, for example exposure to light sufficient to provide prophylaxis against the condition of myopia, or another condition. In some embodiments, monitoring of potentially deleterious exposure to light such as UV light is also performed.

An image forming apparatus includes a first sensing portion, a stop processing portion, and a rotation processing portion. The first sensing portion senses a sheet on a downstream side of the fixing nip portion in a conveyance direction of the sheet. The stop processing portion stops an image formation process in a case where the first sensing portion does not sense the sheet before a specific time elapses after a timing at which a front end of the sheet in the conveyance direction reaches the fixing nip portion while the image formation process is in execution. The rotation processing portion reversely rotates a fixing member by an amount of rotation corresponding to a difference between a specific distance and length of the sheet in the conveyance direction in a case where the image formation process is stopped and the length is less than the specific distance.

This invention discloses a device and method for determining the stratigraphic attitude in an exploration well. A circular track is circumferentially arranged on the inner wall of the housing. The orientation sensing component includes a compass located below the housing and a first rotating and moving mechanism connected to the compass. The first rotating and moving mechanism is mounted on the circular track and can move along the track, driving the compass to move circumferentially along the inner wall of the exploration well, ensuring that the compass dial is always parallel to the inner wall at the corresponding position. The image acquisition component includes a camera module located below the housing and a second rotating and moving mechanism connected to the camera module. The second rotating and moving mechanism is mounted on the circular track and can move along the track, driving the camera module to move circumferentially along the inner wall of the exploration well, ensuring that the camera module is always perpendicular to the compass dial. This invention provides a complete and accurate description of stratigraphic attitude, eliminating the need for geotechnical technicians to personally enter the exploration well for observation.

Localizing objects and determining their accurate position and orientation at considerable distances within densely cluttered environments poses a formidable challenge. This disclosure introduces a new approach utilizing ultralow-power frequency-divided backscatter beams on a single tag to enable azimuth estimation. The mm-wave system leverages a cross-polarizing Rotman lens and radar system for its implementation. Testing results for the system underscore the tag's ability to achieve precise localization over more than 10 m of range with a median error of 6.4 cm, while also accurately determining orientation with a mean absolute error of 3.6°. This disclosure not only addresses the pressing challenge of object localization and orientation detection but also lays a foundation for future advancements in extended-range sensing technology.

The present invention discloses a method for measuring the shielding angle of a panoramic image, which comprises the following steps: step 1, hanging a panoramic camera on a mobile terminal; step 2, selecting a data collection point where the shielding angle needs to be measured, and collecting a panoramic image at the data collection point through the panoramic camera; step 3, collecting relevant data such as a gyroscope, GPS, a direction sensor, and a gravity sensor; step 4, synchronizing the data obtained in step 3 and calculating relevant environmental parameters; step 5, recording GPS information of the data collection point, correcting the panoramic data through the data collected by the direction sensor, correcting it to a horizontal position, and obtaining a panoramic image of the horizontal position of the current point; step 6, unfolding the panoramic image, and after unfolding, calculating the shielding angle according to the configured parameters to obtain the shielding angle to be measured.

An ocular counter-roll (OCR) measurement and evaluation system includes a head attachment frame; a head orientation sensing device attached to the head attachment frame; an eye-torsion sensing device attached to the head attachment frame, the eye-torsion sensing device being configured to communicate with the head orientation sensing device; a data processor configured to communicate with the head orientation sensing device and the eye-torsion sensing device while a subject performs test evaluation; and a display device configured to communicate with the data processor to display information received therefrom in real time while the subject performs the test evaluation.

The invention discloses a category-level object 6D pose estimation method and system based on orientation perception and guidance, and relates to the technical field of robot visual perception, and the method comprises the steps: obtaining an RGB image and a point cloud of a target object; inputting the RGB image of the target object and the orientation description text set corresponding to the object into an orientation sensing network, calculating feature similarity through comparative learning, and generating an orientation description text prompt; inputting the RGB image, the point cloud and the orientation description text prompt into an orientation guiding pose estimation network, extracting orientation description text prompt features and point cloud features, and guiding the extraction of image features by using the orientation description text prompt features; and fusing the point cloud and image features and carrying out cross-projection feature interaction to obtain NOCS coordinates of the target object, and outputting a 6D pose and a 3D size of the target object according to the obtained features. According to the method, by introducing the fine-grained semantic guidance, the cross-scene adaptability and the pose estimation precision of the model are remarkably improved.

The invention relates to an unmanned aerial vehicle accurate landing system and method based on visual positioning. The system comprises a landing platform used for landing of an unmanned aerial vehicle; the positioning and guiding device comprises a plurality of independent controllable light-emitting systems arranged in a layered manner, an orientation sensing module used for sensing the position of the unmanned aerial vehicle, and a controller used for controlling controllable light-emitting units to generate dynamic visual guiding signals, and the orientation sensing module transmits sensed position information of the unmanned aerial vehicle to the controller; and the unmanned aerial vehicle end module is used for identifying the dynamic visual signals of the positioning and guiding device, calculating the space coordinates of the landing platform, and generating a landing path from the unmanned aerial vehicle to the landing platform based on the space coordinate information of the landing platform. The landing method uses the system to execute accurate landing of the unmanned aerial vehicle. Through implementation of the technical scheme, the problem of signal deficiency in a traditional scheme can be effectively solved, cargoes shield a bottom visual or laser sensor, and autonomous positioning and autonomous precise landing can be completed through visual information.

A rearview apparatus for a vehicle includes a first measurement device configured to detect a vehicle orientation. The first measurement device is in connection with a portion of the vehicle that maintains a fixed relationship relative to a body of the vehicle. A second measurement device is configured to detect an apparatus orientation of the rearview apparatus, which is adjustable relative to the body of the vehicle. A controller is in communication with the first measurement device and the second measurement device. The controller is configured to identify an orientation difference between the vehicle orientation and the apparatus orientation.

The invention provides an in-atmosphere fast electromagnetic signal monitoring system, which comprises a ground station, an inflatable electromagnetic signal induction suspension device and an electromagnetic induction assembly, and is characterized in that the inflatable electromagnetic signal induction suspension device comprises an air bag suspension device, an electromagnetic signal induction mechanism arranged on one side of the air bag suspension device and a load cabin; the electromagnetic induction assembly comprises an electromagnetic signal processing load, an orientation sensing mechanism and an orientation correction mechanism, and a photoelectric conversion module is arranged on one side of the orientation correction mechanism. By arranging the air bag suspension device, arranging the electromagnetic signal sensing mechanism for sensing the electromagnetic signal on one side of the air bag suspension device, and adjusting the air attitude of the system based on the orientation correction mechanism, the air bag suspension device can reduce kinetic energy consumption by virtue of buoyancy, and can be exhausted and folded to facilitate storage and rapid arrangement; meanwhile, by arranging a photoelectric conversion mechanism, the self-holding force of the system is enhanced, and energy of the system is provided without depending on the ground; the composite signal transmission line integrates optical fibers for transmitting high-speed digital signals.