158 results about "Tilt sensor" patented technology

The invention provides a reservoir bank slope deformation body instability volume prediction method, which comprises the following steps: respectively acquiring earth surface displacement and rock mass internal deformation data through a millimeter wave radar and a tilt angle sensor, and after processing through an adaptive noise decomposition algorithm, identifying a key deformation area and generating a data set. And performing space-time alignment on the data by using the engineering coordinate system and the topological relation to generate a fusion matrix. And reconstructing a potential slip crack surface geometric model in combination with slip crack surface features of historical cases, and calculating instability volume probability distribution by adopting Monte Carlo simulation. And finally, inputting the multi-dimensional data into the space-time prediction model, and outputting an instability volume prediction result with probability distribution. According to the invention, the accuracy and reliability of the prediction result can be improved, and scientific basis and technical support are provided for safety monitoring and disaster early warning of the reservoir bank slope.

The invention belongs to the field of intelligent monitoring, and discloses a photovoltaic flexible support load deformation monitoring system and method, and the system and method achieve the safe and precise management and control of a structure through the deep fusion of multi-source sensing, mechanism modeling and data driving. Structural deformation parameters are synchronously obtained by combining a laser displacement sensor and a double-axis tilt angle sensor, and the limitation that a traditional monitoring means is single in parameter and lack of dimensionality is broken through. After data is gathered in real time through a wireless transmission module, a physical constraint-data learning hybrid framework is adopted for processing, a physical model constructs a deformation calculation equation based on a moment balance and deflection theory, a theoretical lower limit conforming to an engineering mechanics law is provided, and an LSTM neural network captures nonlinear dynamic association such as wind load sudden change through time sequence learning. A prediction result with both theoretical compliance and data adaptability is generated, and the operation reliability and maintenance efficiency of the photovoltaic flexible support in a complex environment are improved while high real-time performance is maintained.

A line and level determination system for a trenchless construction apparatus has a block assembly which is attached by welding to a lead casing to be installed with the trenchless construction apparatus. The block assembly has a water inlet, a water outlet, a tilt sensor and a light emitting device disposed within the water outlet. A water hose has a first end attached to the water inlet and a second end attached to a water source. The line and level determination system has a controller connected to the tilt sensor and the light emitting device. The controller selectively energizes the tilt sensor and the light emitting device. Data from the tilt sensor is displayed on a screen of the controller. A surveying instrument, such as a theodolite, may be utilized to determine line from the illumination of the light emitting device into the casing.

A driver monitoring camera comprises an optical sensor configured to take an image of a driver of a vehicle, an inclination sensor configured to determine an inclination of the driver monitoring camera with respect to a vehicle coordinate system and a processor configured to determine a pose of the driver in a driver monitoring camera coordinate system from the image and configured to transform the pose of the driver in the driver monitoring camera coordinate system to a pose of the driver in the vehicle coordinate system using the determined inclination.

The invention discloses an urban and rural pavement maintenance monitoring system based on intelligent well lid data linkage, and the system comprises a data collection module which detects the acceleration data, angular motion data and inclination angle change data of a well lid in real time through a three-axis acceleration sensor, a gyroscope and an inclination angle sensor which are disposed on the well lid; the edge calculation module is used for calculating a vibration value of the well lid according to the acceleration data, the angular motion data and the inclination angle change data of the well lid and correcting the vibration value; the cloud data center obtains a risk index of a road surface where the well lid is located through a pre-constructed association model according to the corrected vibration value and the position of the well lid corresponding to the vibration value; and the maintenance decision terminal module performs maintenance decision on the road surface where the well lid is located according to the risk index of the road surface where the well lid is located. According to the invention, the well lid on the road surface is taken as the basis of data acquisition, and the maintenance condition of urban and rural road surfaces is detected in real time by acquiring the data on the well lid, so that the maintenance condition can be accurately obtained in real time.

This invention discloses a testing device for the operating performance of a lever mechanism simulating load, belonging to the field of high-end equipment performance testing. The core innovation of the device lies in the sequential connection of the lever, crank, connecting rod, slider, and frame assembly to form a crank-connecting rod-slider core transmission and load simulation mechanism. This mechanism integrates adjustable load simulation and integrated synchronous measurement functions. By configuring counterweights, replacing elastic elements, and adjusting connection angles and lever arms, it can accurately simulate nonlinear, multi-dimensional coupled actual operating loads. Simultaneously, a sensor network composed of force sensors, tilt sensors, and acceleration sensors respectively set at key nodes such as the lever and crank synchronously collects multi-dimensional force / torque, displacement, and acceleration parameters throughout the entire operating process. This invention solves the problems of load distortion, single measurement, and asynchronous data in traditional testing, achieving accurate and universal testing of the operating performance of lever mechanisms.

The present application belongs to the technical field of vehicle-mounted communication antenna servo control, and particularly relates to a tilt angle sensor drift elimination method based on a bias tracking algorithm, comprising the following steps: synchronously collecting original tilt angle readings and chip temperature readings of the tilt angle sensor at a fixed collection period; calculating a short-time standard deviation of the original tilt angle readings in a sliding window, determining as stationary when the short-time standard deviation is lower than a stationary threshold, determining as disturbance when the short-time standard deviation is not lower than the stationary threshold, obtaining a stationary state flag, and taking the square of the short-time standard deviation as an observation noise variance; calculating a temperature rise rate according to the chip temperature readings, and outputting a high value as a bias process variance when the stationary state flag is stationary and the temperature rise rate is higher than a thermal equilibrium threshold. The present application solves the problem of transient bias drift of the tilt angle sensor caused by chip temperature rise, so that the output error of the corrected tilt angle value continuously meets the leveling accuracy requirement in the task period.

A method for attenuating interference in the measurement of an angle of sideways tilt of a motorized two-wheeled vehicle including an electronic control unit configured to compute an angle of sideways tilt of the vehicle from the measurements of a tilt sensor. The method includes: reception of the value of the speed of the vehicle measured by the speed-measuring module; reception of the number of revolutions per minute of the engine; computation of the ratio between the received speed value and the received number of revolutions per minute; comparison of the ratio between the received speed value and the number of revolutions per minute with an attenuation interval; if the ratio is outside the attenuation interval, computation of the tilt angle without attenuation; if the ratio is within the attenuation interval, computation of the tilt angle with attenuation.

This invention discloses a ship motion detection system, including a ship motion angular displacement detection system comprising a lateral tilt sensor, a longitudinal tilt sensor, and a heading sensor installed on the ship; a target tracking and observation system comprising a target tracking servo gimbal and a target observer installed on the ship; and a data acquisition, calculation, and storage system for acquiring and storing the ship's roll, pitch, and bow signal data measured by the ship motion angular displacement detection system, and for calculating and storing the ship's sway, pitch, and heave motion data. This invention also discloses a ship motion detection method based on the above system. This invention enables highly reliable and accurate measurement of ship motion data in waves, further improving the compensation accuracy of wave compensation boarding bridges on wind power maintenance vessels.

The invention relates to a method for calibrating a tilt sensor (111) for a two-wheeled vehicle (1), comprising the steps of: - selecting (E1) a two-wheeled vehicle (1) including said tilt sensor (111) to be calibrated, - tilting (E2) the vehicle (1) to a first predetermined lateral tilt angle, - recording (E3) the value of the projection of Earth's gravity onto the three axes, - tilting (E4) the vehicle (1) to a second predetermined lateral tilt angle, - recording (E5) the value of the projection of Earth's gravity onto the three axes, - calculating (E9) a projection matrix between the intrinsic frame of the tilt sensor (111) and the frame specific to the vehicle (1) from the projection of Earth's gravity onto the three axes of the intrinsic frame and the vehicle's frame (1), - recording (E10) the projection matrix calculated for each vehicle (1). Figure for the abstract: Fig 5

The invention relates to a method for commissioning an inclination sensor (10) for monitoring rotatable components (12), wherein the inclination sensor (10) is connected to the uniaxially rotatable component (12) in an arbitrary initial orientation and wherein commissioning steps of the inclination sensor (10) are performed. In this process, the component (12) is rotated to at least two arbitrary angular positions (a1, a2), a principal axis of rotation is determined, and a correction factor for transforming one of the axes of the reference coordinate system to the component's axis of rotation (B) is taught. The invention further relates to an inclination sensor (10) and a system.

This utility model relates to the technical field of devices for measuring the clearance of signal controllers, specifically a device for measuring the clearance of signal controllers, including a detection plate and a counterweight plate. A clearance measuring component is provided on the top of the detection plate, and an inclination sensor is provided at one end of the clearance measuring component. A fixing plate is provided at one end of the detection plate. Sliding rods are symmetrically arranged between the fixing plate and the counterweight plate. A sliding sleeve is slidably fitted onto the outside of the sliding rod. A connecting plate is provided on the surface of the sliding sleeve, and a traveling wheel is provided on the side of the connecting plate. In this device for measuring the clearance of signal controllers, a push rod connected to the top of the handle via a connecting block gradually moves towards the counterweight plate. During the movement of the push rod, the angle between the first and second pull rods at both ends and the connecting rod changes, causing the connecting plate to rotate to a position parallel to the connecting rod. At this time, the connecting rod flips to the top of the device for storage, reducing the volume of the device during transportation and storage, reducing the time spent on installation and disassembly, and improving the efficiency of measurement.

The invention relates to the technical field of tilt angle sensors, and discloses a femtosecond grating-based large-tilt-angle small-size tilt angle sensor, which comprises a mounting plate, a gear is movably connected to the center of an inner cavity of the mounting plate, and fixed plates are fixedly connected to the left and right ends of the mounting plate. A spring is fixedly connected to the side, close to the center of the mounting plate, of the fixing plate, a moving rod is fixedly connected to the side, away from the fixing plate, of the spring, a sliding rod is fixedly connected to the side, away from the gear, of the rear side of the moving rod, and a rack is fixedly connected to the side, close to the gear, of the moving rod; a guide rod is fixedly connected to the side, close to the fixed plate, of the movable rod, a connecting rod is fixedly connected to the bottom end of the movable rod, a base is fixedly connected to the bottom end of the connecting rod, and threaded plates are fixedly connected to the front side and the rear side of the base. And a user can rotate the installation mode according to actual use requirements, and the practicability and convenience of the device are greatly improved.

The present application relates to a kind of precast pile construction perpendicularity detection method, comprising the following steps:1) precast pile piling mechanism installation;2) sensor installation;3) support perpendicularity adjustment;4) precast pile fixation;5) precast pile piling, precast pile perpendicularity detection, the precast pile construction perpendicularity detection method, using dual-axis tilt sensor real-time detection precast pile construction process X, Y two vertical direction's longitudinal perpendicularity is monitored, promptly master whether pile body perpendicularity meets the requirement, can improve construction efficiency and construction quality, and need not manual observation operation, detection data is accurate.

The invention relates to the technical field of unmanned aerial vehicle positioning and navigation, and provides an unmanned aerial vehicle positioning method and system based on multidirectional optical flow, and the method comprises the steps: collecting data through a four-directional optical flow sensor and a TOF sensor, and enabling a left front sensor to be installed in an inclined manner; converting data of the inclination sensor into a pipeline column coordinate system; establishing a spiral trajectory model prediction position and performing quality evaluation; distributing a time-varying weight in combination with prediction and quality data; carrying out weighted fusion based on the weight and carrying out constraint positioning in combination with distance data; and calculating a correction threshold value through an error propagation model, and performing layered correction when the threshold value is exceeded. According to the invention, the positioning precision and trajectory tracking reliability of long-distance climbing flight of the unmanned aerial vehicle in a narrow pipeline space are improved, and meanwhile, the strict requirement of a complex pipeline inspection task on high-precision real-time positioning is met through a complete quality evaluation and error correction strategy.

The invention discloses a measuring instrument inclination angle monitoring method and device fused with vision assistance, belongs to the technical field of precise instrument measurement, and aims to solve the problem of poor reliability of inclination angle detection of a measuring instrument in the prior art. According to the technical key points, the method comprises the following steps: respectively acquiring an image containing a level gauge and an inclination angle measurement value by using an image sensor module and an inclination angle sensor in an inclination angle detection device fixed on a measuring instrument; a multi-core processor in the dip angle detection device is used for processing images containing the level gauge, bubble position information of the level gauge is extracted, and a dip angle value of the level gauge is obtained according to the bubble position information; and carrying out fusion processing on the dip angle value of the level gauge and the dip angle measurement value to obtain a fused dip angle value, and taking the fused dip angle value as a final dip angle monitoring result of the measuring instrument. The method is suitable for a high-precision measuring instrument with extremely high requirements on the real-time performance and the accuracy of horizontal inclination angle monitoring.

It is known to monitor earthworks and embankments such that damage caused by any mass wasting can be mitigated against. Stakes are known to be used; however, stakes that are driven too far into the ground may not be affected by movement of loose topsoil. In contrast, stakes that are not driven far enough into the ground are easily disrupted. In any event, even correctly deployed stakes can sag under their own weight, for example when a relatively heavy tilt sensor is attached off centre. The present invention provides a mass wasting monitoring stake, comprising first and second monitoring parts (1) and a primary connector (5) configured to releasably attach the first and second monitoring parts (1) together. In this way, the stake can be driven into the ground (11), deploying the first and second monitoring parts (1), and the primary connector (5) can subsequently release the first and second monitoring parts (1), such that relative movement between the first and second monitoring parts (1) can be detected if mass wasting were to occur.

The invention belongs to the technical field of intelligent monitoring, and particularly relates to a tilt angle sensor and a preparation method and application thereof. The tilt angle sensor provided by the invention comprises a hollow pipe and a conductive elastomer arranged in the hollow pipe, one end of the conductive elastomer is fixed on the hollow pipe, and the other end is connected with a metal ball; the metal ball is located in the hollow pipe; the two ends of the conductive elastomer are respectively provided with an electrode, and the electrodes at the two ends are respectively connected with a signal acquisition module through wires. When the hollow pipe is horizontal, the metal ball is at an initial position, and the conductive elastomer is in a natural state; when the hollow pipe is inclined, the metal ball axially moves along the hollow pipe under the action of gravity, so that the conductive elastomer is stretched; the resistance of the conductive elastomer is increased along with the increase of the stretching length, so that the inclination angle of the hollow pipe can be obtained by detecting the resistance change of the conductive elastomer, and the inclination angle sensing function is realized. The tilt angle sensor provided by the invention has relatively high sensitivity.

A road deflection and curvature monitoring device comprises curvature monitoring plates and a data acquisition terminal, the curvature monitoring plates are provided with a plurality of tilt angle sensors, power lines and data lines of the tilt angle sensors are connected with the data acquisition terminal, and the curvature monitoring plates are arranged below the road ground and on the two sides of the transverse road width. The data acquisition terminal is arranged on any side of the two side surfaces of a road. The method has the advantages that a road longitudinal curvature real-time curve, a curvature variation thermodynamic diagram and a three-dimensional deformation trend chart can be directly output, when the curvature variation exceeds a threshold value, an alarm is automatically given, hidden dangers such as pavement settlement, upheaval and collapse can be found 15-60 days ahead of time, and the active safety early warning capacity and the emergency disposal efficiency of the road are remarkably improved.

A tilt sensor with zero position indication for indicating a predetermined zero position, including an indication device with an optical indication means and a control unit for actuating the indication device, wherein the indication device is configured to transmit a set first signal from an optical indication means in the zero position and to transmit a set second signal from the optical indication means in a position deviating from the zero position, wherein the second signal comprises an item of information about an extent of the deviation of the position deviating from the zero position, and wherein the optical indication means consists of only one light source.

The present invention relates to an audio-based anti-cant indication system for shooting devices such as rifles, pistols, bows, and crossbows. The system includes an inclination sensor configured to detect angular tilt relative to gravity and a processing module configured to compare the detected tilt against a predefined deadband threshold corresponding to a plumb orientation. When the shooting device deviates from the plumb condition, the processing module activates an audio output module that generates distinct audio signals representing left-tilt and right-tilt conditions, while producing a null or muted output when the device remains within the deadband. The system may further include variable tone pitch or volume, wireless audio transmission to earbuds or headsets, calibration mechanisms, front-rear inclination detection, and idle-state shutoff. The invention provides continuous, hands-free cant feedback without requiring visual attention.

The utility model discloses a human settlement environment slope collapse early warning supporting device which comprises a plurality of supporting columns and a plurality of collapse protection plates installed on one sides of the supporting columns, and supporting mechanisms are installed on the other sides of the supporting columns and used for supporting and reinforcing slope protection positions. According to the utility model, through the cooperative work of the inclination sensor, the displacement sensor and the stress sensor, the slope deformation displacement, inclination and stress change conditions can be accurately monitored in real time. Abnormal data can be captured in time at the early stage of collapse risk of the side slope, and an early warning signal is sent out quickly when abnormal deformation occurs. Therefore, precious emergency treatment time is won for residents and related personnel around the human settlement environment, preparation work such as personnel evacuation and property transfer is made in advance, casualties and property losses possibly caused by slope collapse in the human settlement environment are effectively reduced, and the safety of the human settlement environment is guaranteed to the maximum extent.

The application relates to an angle calibration solution method and system of a tilt sensor. Compared with the prior art, the method comprises the following steps: 1) collecting three-axis original acceleration data output by a three-axis accelerometer and performing filtering processing; 2) adopting a six-position calibration method to perform calibration; and 3) adopting a segmented combination angle solution method to calculate the included angle between the X axis and the Y axis of the tilt sensor relative to a horizontal plane. The application has the advantages of high accuracy and high precision in full-range measurement, smooth angle output, high calibration efficiency and the like.

This invention provides an overhead power transmission line galloping and swaying monitoring system based on an FTU (Field Transmission Unit), comprising: a galloping monitoring node and a monitoring FTU, wherein the galloping monitoring node and the monitoring FTU are wirelessly connected; the monitoring FTU includes a control module and a first power supply module, a first wireless transceiver module, a remote control module, a tilt sensor, a wind speed and direction sensor, a telemetry module, a remote signaling module, and an image sensor electrically connected to the control module; the remote signaling module is wirelessly connected to a router, and the router is communicatively connected to a server and a workstation; the galloping monitoring node includes a microprocessor and a second power supply module, an accelerometer, a second wireless transceiver module, and an icing sensor electrically connected to the microprocessor; the first wireless transceiver module and the second wireless transceiver module are wirelessly connected. This invention enables proactive monitoring of various factors causing galloping, facilitating timely identification and elimination of potential hazards, and its monitoring indicators are comprehensive and highly reliable.

This utility model discloses an online monitoring device for ice and ice melting of conductors (ground wires), belonging to the field of online monitoring technology for ice and ice melting of conductors (ground wires). It includes a base housing, with a support shaft installed at one end of the base housing and a roof-shaped shell installed at the other end of the support shaft. This utility model, through the setup of the base housing, roof-shaped shell, high-precision tilt sensor, anti-icing camera, air temperature and humidity sensor, and signal transmitter, observes the entire icing process using lighting fixtures at both ends of the roof-shaped shell combined with the anti-icing camera positioned opposite each other. The air temperature and humidity sensor monitors the external air conditions in real time. When the monitored conductor is icy and tilted, the high-precision tilt sensor can promptly detect and provide feedback. Simultaneously, the detected information is transmitted to the base station via the signal transmitter to facilitate maintenance and repair work, improving the real-time information transmission efficiency of the device.

The invention belongs to the technical field of tree measurement, and particularly relates to a periscopic AI aiming tree height measuring device, which comprises a telescopic mechanism, a mounting frame mounted at the top of the telescopic mechanism, an image acquisition module, an image processing module and an image processing module, the image acquisition module comprises at least one camera fixed on one side of the mounting rack and a detector fixed at the bottom of the mounting rack, the attitude sensing module is used for monitoring spatial attitude data of the mounting rack in real time, and the attitude sensing module comprises a tilt angle sensor fixed on the mounting rack and a display module which is used for outputting a tree height measurement result. The display module comprises a touch displayer fixed to the outer side of the telescopic mechanism and a data processing module and is used for calculating the tree height through data of the detector, the telescopic mechanism comprises a shell, and a threaded rod is rotationally connected into the shell. The method can penetrate through canopies to obtain the tree tip data of the middle and lower layers, does not climb or damage the stand structure, and improves the tree height measurement precision and efficiency under complex forest conditions.

Method and System for Estimating the Total Mass of a Vehicle. The present invention relates to a system (12) for estimating the total mass (Ms) of a stationary vehicle (1), comprising: - means for receiving (13, 14) at least one data point (h) from a suspension travel sensor, and a data point (α) from a tilt sensor; - means for estimating the total mass (Ms) from said data points (h, α); the estimation means comprising a neural network (15) trained to estimate the total mass (Ms) of the vehicle (1, 2) from the data received by the receiving means (13, 14). The invention also relates to a vehicle equipped with the estimation system, and the corresponding method for estimating the mass of a stationary vehicle. (Figure 1)

The utility model relates to a double -axis voltage type angle of inclination sensor with high protection performance, including PCB circuit board, be equipped with on the PCB circuit board: LDO power supply circuit: through power end protection circuit and external input voltage connection, accelerometer circuit: to detect current three -axis acceleration, and send to MCU circuit, MCU circuit: including the MCU chip of accelerometer circuit connection, to realize the filter of acceleration data, temperature compensation and solution processing, and will double -axis angle output voltage data send to operational amplifier voltage amplification circuit, operational amplifier voltage amplification circuit: to double -axis angle output voltage data that MCU circuit sent is amplified, exports through voltage output end protection circuit. Compared with prior art, the utility model has the advantages of possessing reverse connection, short circuit, wrong connection protection capability and input, output overvoltage, overcurrent protection function, conforms to PL=d functional safety authentication and so on.

The utility model relates to the technical field of side slope monitoring, specifically relates to a kind of inclination sensor structure for side slope monitoring, including stand, posture adjusting mechanism, sensor main body, power module, damper;The top end of the stand is fixedly connected with U-shaped seat, the posture adjusting mechanism is connected with U-shaped seat, and the damper is arranged at the connecting place of the posture adjusting mechanism and U-shaped seat;The sensor main body is fixedly connected at the top end of posture adjusting mechanism by magnetic attraction;The stand is connected with power module by support, and the power module and sensor main body are electrically connected between.The utility model overcomes the installation reference error caused by the unevenness of side slope foundation surface, guarantees the accuracy of sensor measurement reference, improves the reliability of monitoring data, simplifies the process of field installation debugging, reduces the debugging difficulty.