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WO/2021/132947A1 |
An electronic device according to various embodiments disclosed in the present document may include a display, a camera, and a processor operatively connected to the display and the camera. The processor may display an augmented reality ...
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WO/2021/127508A1 |
A method for stabilizing a magnetic field of an inertial measurement unit (IMU), is provided that includes initializing accelerometer and gyroscope (AG) heading data for the IMU and initializing accelerometer, gyroscope and magnetometer ...
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WO/2021/114764A1 |
A map correction method and system based on a local map. The map correction method comprises the following steps: a robot collects laser data; and perform positioning and navigation in an original Global map by utilizing the collected la...
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WO/2021/110055A1 |
A strict reverse navigation method for optimal estimation and fine alignment, comprising: establishing an adaptive control function; forward navigating a calculation process; reversely navigating the calculation process; and performing a...
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WO/2021/105883A1 |
Methods and machines involve detecting when a mobile device is in a first area and a second area at different times, collecting pressure data from the mobile device and reference sensor(s) to estimate altitudes of the mobile device withi...
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WO/2021/104457A1 |
An interference signal parameter estimation method and a detection device (700, 800, 900), which can rapidly and accurately estimate parameters of an interference signal, so as to avoid interference. Said method comprises: determining th...
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WO/2021/093454A1 |
A wafer-level assembly method for a micro-hemispherical resonator gyroscope structure, a micro-hemispherical resonator gyroscope structure and a wafer fixture of a micro-hemispherical resonator structure. The wafer-level assembly method ...
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WO/2021/082790A1 |
An IMU-based uwb positioning abnormal value processing method, comprising the following steps: S1, obtaining IMU data of an unmanned aerial vehicle; S2, fusing an accelerometer and a gyroscope, and calculating a pose angle of the unmanne...
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WO/2021/081687A1 |
A method for use in monitoring a satellite standalone unit failure based on a single indicator threshold, comprising the following steps: providing a standalone unit indicator analytic function (302); providing a failed service handling ...
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WO/2021/074892A1 |
A positioning and odometry system (POS) includes one or more sensors configured to collect sensor data. The one or more sensors are operably coupled to a portable housing configured to be coupled to a vehicle body. POS has processing cir...
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WO/2021/074851A1 |
A method for determining a current estimated gyroscope bias of a gyroscope, the gyroscope being configured to output rotation rate data, the method comprising: receiving first rotation rate data associated with a first time from the gyro...
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WO/2021/075967A1 |
An apparatus for measuring shapes of environments comprises means to capture photographic images, preferably with a viewing angle of 360 degrees, and means to measure surface distances in multiple directions by making use of both visible...
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WO/2021/057894A1 |
An inertial navigation error correction method based on vehicle zero speed detection. When a vehicle runs, wheel speed sensing data and INS data are acquired, and in the process of vehicle running, zero speed detection is performed with ...
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WO/2021/043328A1 |
A magnetometer calibration data acquisition method and device, and an aerial vehicle. The magnetometer calibration data acquisition method is applied to the aerial vehicle. The method comprises: obtaining an attitude parameter of an aeri...
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WO/2021/036085A1 |
Provided are an inertial navigation system initial alignment method, apparatus, and electronic device. The method comprises: selecting a three-axis accelerometer corresponding to the highest-accuracy acceleration measurement result among...
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WO/2021/035720A1 |
Provided are a power line detection method, millimeter wave radar (200), system, and storage medium, applied to a millimeter wave radar (200), the millimeter wave radar (200) being arranged on an unmanned aerial vehicle (100); said metho...
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WO/2021/040824A1 |
Determining contexts of mobile devices. Particular embodiments described herein include machines that determine two estimated positions of a mobile device that respectively correspond to first and second locations at first and second tim...
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WO/2021/012124A1 |
A robot hand-eye calibration method and apparatus, a computing device, a storage medium and a computer program product. The robot hand-eye calibration method comprises: a coordinate recording step: controlling the tail end of a robot arm...
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WO/2021/014294A1 |
The invention relates to a method for calibrating an inertial unit provided on a terrestrial platform (1) such as a vehicle, the vehicle being equipped with at least one turret (2) which can be oriented in elevation and bearing to determ...
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WO/2021/010574A1 |
An electronic device according to various embodiments disclosed in the present document can comprise: an inertia sensor; a GNSS sensor; memory; and a processor operatively connected to the inertia sensor, GNSS sensor and memory. The proc...
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WO/2020/259544A1 |
A method for determining a calibration parameter and an electronic device (100). The method is applied to the electronic device (100) having an inertial measurement unit (IMU), so as to perform accurate calibration on measurement data of...
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WO/2020/260049A1 |
The invention relates to a method for calibrating a coordinate system of a multi-axis deceleration sensor in a rail vehicle, having the following steps: calibrating the vertical axis of the sensor to the vertical axis (ZFahrzeug) of the ...
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WO/2020/258198A1 |
A calibration method, a calibration device, a stabilizer and a computer readable storage medium. The calibration method comprises: acquiring current measurement information of an inertial sensor; determining, according to the current mea...
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WO/2020/259106A1 |
The present invention is suitable for the technical field of calibration, and provides a calibration method and device for relative attitudes of a camera and an inertial measurement unit (IMU). The method comprises: performing internal r...
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WO/2020/252806A1 |
Disclosed in the present invention is an event data stream processing method. The event data stream comes from a dynamic vision sensor, and the method comprises the steps: obtaining inertial measurement parameters corresponding to an eve...
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WO/2020/253260A1 |
A time synchronization processing method, comprising: respectively acquiring angular velocity information collected by two different sensors, wherein the angular velocity information is that of an electronic apparatus when performing a r...
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WO/2020/249812A1 |
The invention relates to a method for monitoring at least one first inertial measurement unit (UMI1) and one second inertial measurement unit (UMI2), the first inertial measurement unit (UMI1) and the second inertial measurement unit (UM...
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WO/2020/244945A1 |
The invention relates to a method and to a device for resetting an inertial unit of a transport means on the basis of information delivered by a viewfinder of the transport means. According to the invention, a horizontal velocity vector ...
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WO/2020/236256A1 |
A space optical system is disclosed. The space optical system (100) includes a primary support structure (110) in support of a primary mirror (111). The space optical system also includes a sensor mounting structure (101) coupled to the ...
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WO/2020/224984A1 |
Method for navigating a vehicle (A) by means of a navigation algorithm arranged to determine spatial information (p(xr, yr, zr), v, a(Өxr, Өyr, Өzr), PL) from, on the one hand, inertial measurements (Mi) delivered by a circuit (100) f...
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WO/2020/221704A1 |
A method for adjusting operation of a motion tracking system at least comprising first and second sensors and a computing device, each of the first and second sensors at least comprising a gyroscope, the method comprising: arranging the ...
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WO/2020/216559A1 |
The invention relates to a method for detecting a functionality of an environment sensor of a vehicle (100), comprising the following steps: determining (200) current coordinates (X, Y) of the vehicle (100); determining (240) a current o...
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WO/2020/169377A1 |
The invention relates to a method for an online calibration of a surroundings detection system (12) of an agricultural utility vehicle (10). The method is carried out during the operation of the agricultural utility vehicle (10). In a fi...
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WO/2020/165738A1 |
A method to calibrate a vehicle information transmitter associated with a vehicle, the method comprising establishing a first reference point and a second reference point at a remote location, defining a line joining the first reference ...
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WO/2020/163905A1 |
The present invention relates generally to the field of inertial measurement units (IMU's) and their use in downhole applications and particularly to an IMU configured to allow a calculation of bias or drift, an encoder steering assembly...
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WO/2020/143573A1 |
A method for aligning a calibration apparatus with a vehicle based on a wheel aligner. A wheel aligner (10) comprises a first image sensor (12) and a computer (15). A calibration apparatus (20) comprises a second image sensor (25). The m...
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WO/2020/146128A1 |
Techniques provided herein are directed toward addressing these and other issues by providing robust means for initializing an accelerometer that can take place even while a vehicle is in motion. Specifically, linear acceleration and vel...
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WO/2020/133970A1 |
A test method for the precision of a laser inclinometer (110), and a test system. The test method comprises the following steps: providing a laser clinometer (110) at the position of a through sight hole (210) of a specific floor (200) o...
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WO/2020/125876A1 |
The invention relates to an assembly for calibrating a camera (31) to be calibrated, said assembly comprising: a first positioning base (43) for accommodating a reference camera adapter (40) or for accommodating an adapter (34) for the c...
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WO/2020/127716A1 |
Disclosed is a method for characterising an inertial measurement unit comprising a block carrying at least one accelerometer having a sensitive axis positioned according to an axis of a measurement reference frame and at least one gyrome...
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WO/2020/126454A1 |
The invention relates to a system (100) comprising: - a clocking system component (1) comprising - a micromechanical oscillating element, which can be excited to oscillate at a characteristic frequency (f_osc), and - first circuit means ...
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WO/2020/119841A1 |
In a method and with a device (100) for position determination by means of inertial navigation, a current position (103) is determined from a known starting position (104) and starting orientation by sensing accelerations and rotation ra...
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WO/2020/123988A1 |
The embodiments described herein relate to systems, methods, and devices for high precision inertial measurement sensing of functional movement and range of motion analysis with close to zero drifts in sensor orientation readings. The sy...
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WO/2020/118343A1 |
The invention concerns a method for compensating drift of a sensor system for measuring a motion direction of a user in a VR system, comprising the method: receiving a measured viewing direction of the user in the VR system from a sensor...
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WO/2020/105906A1 |
Provided may be a method for sensing, by a movable device according to an embodiment, the inclination of a distance sensor attached to the movable device, the method comprising the operations of: detecting an obstacle fixed in a working ...
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WO/2020/094967A1 |
Said test device (10), which is designed to test at least one module for monitoring a subject's physiological parameters, comprises: a support (12) configured to receive at least one monitoring module; at least one modulation system from...
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WO/2020/087712A1 |
A calibration method for a time-of-flight ranging camera. A calibration device involved in the calibration method has a temperature sensor (1004) and temperature control modules (1003, 100). The calibration method comprises the following...
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WO/2020/087845A1 |
An initial alignment method for an SINS based on a GPR and an improved SRCKF, comprising: first obtaining different pieces of sensor data and pre-processing same; establishing an equation of state and a measurement equation of a carrier ...
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WO/2020/079394A1 |
There is provided a portable sensor apparatus (10) for surveying within a room (30) of a building. The sensor apparatus (10) comprises: a sensor unit (12) for temporary insertion into a room (30), the sensor unit (12) being moveable in a...
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WO/2020/078687A1 |
The invention relates to a method for offset calibration of a yaw rate sensor signal (11) of a yaw rate sensor (1), wherein: in a first step, it is determined that the yaw rate sensor (1) is in an idle state (15); in a second step after ...
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