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WO/2024/092876A1 |
A high-precision underwater moving base alignment method and system based on a magnetic compass and a velocimeter. The method comprises: according to a preset alignment condition, determining whether there is a disturbing acceleration, i...
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WO/2024/094409A1 |
The invention relates to a method for determining a misalignment of a sensor coordinate system of an inertial measurement unit (2) of a vehicle (1) with respect to a vehicle coordinate system, this being carried out according to the inve...
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WO/2024/087496A1 |
An inertial navigation accuracy evaluation system and method for a coal mining machine. The inertial navigation accuracy evaluation system comprises: a moving carrier (10), an inertial navigation (20) to be evaluated being provided on th...
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WO/2024/087478A1 |
The present invention relates to an inertial navigation precision evaluation system and evaluation method for a coal mining machine, and a mobile carrier. The inertial navigation precision evaluation system comprises: a mobile carrier, o...
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WO/2024/087479A1 |
An accuracy evaluation system and method for an inertial navigation device (20) of a coal shearer, and a moving carrier (10). The accuracy evaluation system for the inertial navigation device (20) comprises: the moving carrier (10), wher...
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WO/2024/087473A1 |
The present invention relates to an inertial navigation precision evaluation system and evaluation method for a coal mining machine, and a mobile carrier. The inertial navigation precision evaluation system comprises: a mobile carrier, w...
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WO/2024/087497A1 |
A track for a coal shearer inertial navigation accuracy evaluation system, and an evaluation system. The inertial navigation accuracy evaluation system comprises a mobile carrier (20) and a track (10). An inertial navigation (30) to be e...
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WO/2024/085904A1 |
Motion tracking accuracy is an important feature to an immersive augmented or virtual reality experience. Motion tracking may be computed based on data from an inertial measurement unit of a device. This data may include errors that can ...
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WO/2024/074595A1 |
The invention relates to drone-survey measurement based inundation probability forecast and flood hazard vulnerability measuring system (1) and method thereof. Location- specific elevation data are measured by drones (12) of the measurin...
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WO/2024/066388A1 |
A lane centering control function test method and apparatus based on a straight lane scene. The method comprises: acquiring first point positioning information of a plurality of lane line points collected by a point positioning device (S...
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WO/2024/066387A1 |
A test method, apparatus, and system for a lane centering control function, and an electronic device, relating to the technical field of smart vehicle control. The method comprises: acquiring detected lane line positioning information of...
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WO/2024/057115A1 |
A system includes an inertial measurement unit (IMU) associated with a user, wherein the IMU acquires acceleration data and determines gravity data during a period of time, wherein the IMU acquires magnetic orientation data and heading d...
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WO/2024/059347A1 |
A system having components coupled to an aircraft that measure the navigational state and state uncertainty of an aircraft. To do so, the aircraft captures an image of its surrounding environment including an object of interest and appli...
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WO/2024/051050A1 |
An eigenfrequency compensation method for an ultrahigh-precision fiber-optic gyroscope, and a fault diagnosis and processing method therefor. The eigenfrequency compensation method comprises the following steps: performing open-loop proc...
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WO/2024/051049A1 |
A method for eliminating local stress distortion in a fiber coil, and a device therefor, relating to the field of fiber-optic gyroscope manufacturing. The method for eliminating local stress distortion of the fiber coil comprises: fixing...
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WO/2024/054846A1 |
A head-worn device, such as smart glasses, may be configured with multiple sensors to provide an augmented reality or virtual reality experience to a user. The sensors may be calibrated so that misalignments, such as a rotation or a tran...
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WO/2024/052506A1 |
Method of determining a heading angle (ψ) of a mobile body (10), comprising determining an initial position (xb,0, yb,0, zb,0) of the mobile body and defining a plurality of different initial heading angles and a plurality of virtual in...
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WO/2024/046341A1 |
Embodiments of the present application relate to the technical field of navigation positioning, and provide an integrity detection method for integrated navigation data. The integrity detection method for integrated navigation data compr...
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WO/2024/031434A1 |
The disclosure relates to a system (200) and a method for performing a Global Navigation Satellite System (GNSS) measurement in Non-terrestrial network (NTN). In some aspects, a user equipment (UE) (102,104) may comprises: at least one a...
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WO/2024/035034A1 |
An electronic device, according to one embodiment, comprises: a first sensor module which detects a position; a second sensor module which detects or photographs an external environment; a memory which stores precise map data including a...
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WO/2024/028437A1 |
The invention relates to a method for estimating the azimuth, formula (A), of a base of a motion simulator by implementing a gyrometric system comprising at least one gyrometer attached to the plate of the motion simulator and applying a...
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WO/2024/023009A1 |
The invention is related to calculate an orientation estimate based on an IMU MARG sensor. It is known to use such combined sensor setup to determine an orientation. From Madgwick it is known to fuse IMU and MARG with only one calculatio...
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WO/2024/016892A1 |
Provided are a method and apparatus for external-parameter calibration of sensors, and an electronic device. The method for external-parameter calibration of sensors comprises: controlling a target device to execute an external-parameter...
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WO/2024/017999A1 |
Measurements of rotation rates (10) obtained with a rotation rate sensor (150) on board of a vehicle (200) are corrected by a temperature dependent offset (25). This offset (25) is provided from a table (20). The table (20) may be update...
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WO/2024/013426A1 |
The invention relates to tracking the sensor outputs (301) of at least a gyroscope (302) and an accelerometer (304) of a trajectory metering device (200) of the recreational equipment (100) during an activity cycle (400), for forming a d...
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WO/2024/009048A1 |
The invention relates to an attitude correction method (107) comprising estimating (116), by means of a dead reckoning navigation system (22), multiple estimated positions of the dead reckoning navigation system (22) in an arbitrary fixe...
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WO/2023/249236A1 |
According to one embodiment, an electronic device may comprise: an antenna circuit comprising an antenna; a first capacitor; a switch; a sensor; and at least one processor, wherein the at least one processor may be configured to connect ...
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WO/2023/236615A1 |
A device for measuring the horizontal accuracy of a measuring instrument. The device comprises: a base (112); a collimator (101), the collimator (101) being arranged at a side of the base (112), and the collimator (101) comprising a reti...
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WO/2023/232318A1 |
The invention relates to a method for calibrating an inertial measurement sensor system (2) of a vehicle (1), wherein the calibration is carried out during a driving mode of the vehicle (2) and is based on determining a misalignment of a...
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WO/2023/223049A1 |
A computer implemented method for generating a vehicle mileage comprising the steps of controlling at least one accelerometer on-board the vehicle to capture and characterise the acceleration readings in at least one of 3 orthogonal axes...
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WO/2023/225323A1 |
A computer-implemented method for calculating multibody motion data includes obtaining measured IMU data time histories with a plurality of inertial measurement units and using computer-based algorithm incorporating a machine- learning i...
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WO/2023/203312A1 |
There is disclosed a method for identifying a sensor. The method comprises: obtaining calibration data from the sensor during a self-calibration procedure of the sensor (e.g. at start-up or during run- time); and verifying the identity o...
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WO/2023/202262A1 |
An inertial navigation initial-alignment method and apparatus (300) applied to oblique measurement, and a device. The method comprises: acquiring a first specific force vector of an inertial navigation system of a receiver in a carrier c...
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WO/2023/198348A1 |
The invention relates to a method for detecting malfunctions (F) in inertial measurement units (4, 5) which are used in a vehicle (22) to measure angular velocities (AA) and specific forces (BB), wherein use is made of two inertial measu...
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WO/2023/185215A1 |
A data calibration method, comprising: first determining, according to collected data, visual navigation data and satellite navigation data of an unmanned device at a current moment (S100); then determining, according to a resolving type...
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WO/2023/178121A1 |
A calibration of an unmanned aerial vehicle is performed without the use of a magnetometer. The unmanned aerial vehicle generates a first acceleration vector in a navigation frame of reference and a second acceleration vector in a GPS fr...
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WO/2023/173675A1 |
A jitter compensation device and method for a high-precision pointing system, which belong to the field of self-adaptive optics. According to the method, by means of setting up a special optical device, jitter analysis is performed by us...
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WO/2023/169758A1 |
The invention relates to a method for calibrating sensors (S) of environment sensor systems of a plurality of vehicles (1, 4), wherein environment data of the vehicles (1, 4) are detected by means of the sensors (S). According to the inv...
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WO/2023/167916A1 |
An system and/or method for detecting outliers in satellite observations can include: receiving satellite observations associated with one or more satellite constellations; receiving sensor data; determining a GNSS positioning solution u...
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WO/2023/160991A1 |
The invention relates to a method (38) for operating data glasses (13). In a specified calibrated state of the data glasses (13) in which an acceleration sensor (24) is calibrated using calibration data (32) of a specified calibration me...
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WO/2023/158521A1 |
Systems and techniques are described herein. For example, a process can include obtaining first sensor measurement data associated with a and second sensor measurement from one or more sensors. In some cases, the first measurement data c...
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WO/2023/152217A1 |
The present invention relates to a method for calibrating and predicting at least position data of an inertial measurement unit (2), which method is characterised by the following steps. using a motor-driven system (4) to move the IMU (2...
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WO/2023/151169A1 |
The present application discloses a deflection calibration apparatus and method for a laser type high-speed deflection tester. The apparatus comprises rigid supports, rotating discs, driving systems and a deflection calibration unit; the...
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WO/2023/146092A1 |
Disclosed are an image-based inertial sensor correction method and an electronic device for performing same. The electronic device comprises: a camera for acquiring an image; an inertial sensor for sensing movements of the electronic dev...
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WO/2023/142652A1 |
A method for positioning and attitude determination, applied to the field of positioning and attitude determination. The method comprises the following steps: obtaining a first state of an object, the first state comprising a first posit...
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WO/2023/143132A1 |
During a sensor data calibration process, image data, radar data and inertial data at multiple moments during a movement process of a test device are acquired (S100); a motion trajectory of the test device is determined according to the ...
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WO/2023/137863A1 |
A method, apparatus and device for generating a road data evaluation report, and a storage medium. The method comprises: acquiring road data to be processed and road data to be evaluated (S10); performing masking processing on the road d...
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WO/2023/140711A1 |
A method for operating a positioning system, according to an embodiment of the present invention, comprises a step of constructing a positioning model based on artificial intelligence position neural network learning, on the basis of res...
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WO/2023/135498A1 |
A method involves identifying multiple calibration values and corresponding calibration confidence values of an initial calibration dataset in which one or more calibration values were derived using an atmospheric pressure measurement fr...
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WO/2023/135520A1 |
An alert indicates that a situation conducive to calibrating a barometric pressure sensor (112) of the user device (102) might have occurred. In response, calibration data is collected for calibrating the barometric pressure sensor (112)...
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