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WO/2024/060414A1 |
A gear speed sensor output frequency test circuit, comprising an oscillation circuit (U1), a magnetic field alternating circuit, and a speed sensor, wherein the magnetic field alternating circuit comprises a switch (S1). A first boundary...
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WO/2024/061291A1 |
An adjustment apparatus, for use in adjusting a rotating speed sensor (4) of a main pump spindle (2). A probe (1) is arranged on the outer wall surface of the main pump spindle (2). A sensing groove (41) penetrating in the circumferentia...
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WO/2024/037831A1 |
The invention relates to an air data indicating and calibrating arrangement (1) and method for a vertical take-off and landing aircraft, in particular a helicopter (50), for providing information on an air speed of the vertical take-off ...
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WO/2024/034781A1 |
Provided is a method by which a resonant accelerometer comprising a resonator provides a compensated acceleration output. The present method may comprise the steps of: determining a first resonant frequency of the resonator without apply...
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WO/2024/014306A1 |
In the present invention, a server 300 retrieves a first initial value pertaining to an offset of a tri-axial angular velocity sensor 110, a second initial value pertaining to a sensitivity coefficient for the tri-axial angular velocity ...
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WO/2022/265951A9 |
A system for determining vehicle direction includes an active wheel speed sensor (aWSS), an exciter ring for inducing a change in a signal from the aWSS and a controller. The controller receives a first series of signals from the aWSS, c...
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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/2023/213597A1 |
There is described a method of estimating a rotor speed in a wind turbine, the method comprising (a) obtaining measurement data indicative of structural vibrations within the wind turbine, (b) determining at least one harmonic vibration ...
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WO/2023/214210A1 |
The present invention relates to a drive mechanism and an inertial sensor apparatus. The drive mechanism is configured to drive a payload of the inertial sensor apparatus into an intermittent rotation motion to enable maytagging of at le...
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WO/2023/212156A1 |
A method and apparatus to improve the performance of acoustic beamformers composed of accelerometer-based Acoustic Vector Sensors (AVS) is disclosed. Most AVS are composed of a set of spatially separated microphones, for which tradeoffs ...
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WO/2023/209507A1 |
The present invention concerns a system and a relative method for testing a MEMS accelerometer in a wafer of semiconductor material. The system comprises a vibrator module (20) configured to transmit a vibration to the wafer such as to i...
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WO/2023/200598A1 |
A system and method for monitoring a roadway by comparing captured images to image inconsistencies caused by lost or unnecessary motion and for minimizing lost or unnecessary motion of an axel of a vehicle and filtering erroneous pulses ...
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WO/2023/192659A1 |
An inventive accelerometer includes a proof mass and a pair of vibrating sensors. Excitation-and-detection circuits drive vibrational modes of one sensor at resonant frequencies f1, F1, and F'1, and drive those same vibrational modes of ...
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WO/2023/192657A1 |
An inventive accelerometer includes a proof mass, vibrating sensors, and an excitation-and-detection circuit. The vibrating sensors are substantially identical, and each exhibits corresponding fundamental and higher-order vibrational mod...
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WO/2023/192658A1 |
An inventive accelerometer includes a proof mass and a pair of vibrating sensors. An excitation-and-detection circuit drives one sensor at resonant frequencies f1 and F1. with f1 ≠ F1, a second excitation-and-detection circuit drives t...
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WO/2023/170948A1 |
In the present invention, in order to measure sensor data relating to movement of a foot irrespective of the direction in which a sensor is mounted, a gait measurement device comprises: an acquisition unit for acquiring sensor data measu...
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WO/2023/171255A1 |
Provided is a yaw rate calibration device comprising: a lateral position acquisition unit that acquires a lateral position of a vehicle with respect to a target travel position of a travel lane in which the vehicle travels; a driver stee...
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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/2023/148070A1 |
The invention relates to an evaluation circuit (100) for a passive rotational speed sensor (10) of a vehicle. The passive rotational speed sensor (10) is designed to detect a rotational speed of a wheel and, based thereon, to output a se...
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WO/2023/145484A1 |
The present invention improves attitude detection accuracy in a control system that employs a plurality of inertial sensors. A control system (1) comprises a first inertial sensor (10), a second inertial sensor (20), a first signal path ...
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WO/2023/128028A1 |
An optimal route derivation server for deriving an optimal route of a ship comprises: a storage unit that matches ocean data including wind, wave heights and currents, for each time and location included in sailing data for each sailing ...
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WO/2023/107195A1 |
An inertial sensor such as a MEMS accelerometer or gyroscope has a proof mass that is driven by a self-test signal, with the response of the proof mass to the self-test signal being used to determine whether the sensor is within specific...
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WO/2023/101190A1 |
The present invention relates to a method and system for tower shadow correction using a machine learning algorithm on the basis of wind speed data, and the tower shadow correction system using a machine learning algorithm on the basis o...
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WO/2023/083604A1 |
The invention relates to a method for estimating the speed of a rail vehicle (100) comprising an inertial measurement unit (1) that is configured to receive GNSS signals that are associated with a satellite navigation system, comprising ...
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WO/2023/073113A1 |
The present invention relates to a method for checking the rollers of conveying means, said scrolling means being driven to a defined line speed, said method comprising the steps of: - Carrying a surface speed measurement device; - For e...
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WO/2023/073557A1 |
The present invention relates to a compact release mechanism for a nanosatellite that has the purpose of holding a test mass (sphere) inside a chamber where an experiment is carried out. The test mass is held by means of two mobile walls...
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WO/2023/074345A1 |
The present invention addresses the problem of providing a composite sensor that can correct sensor sensitivity information with high accuracy. A composite sensor (1) comprises angular velocity detection elements (11)-(13), acceleration ...
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WO/2023/023961A1 |
Disclosed in the present invention are a PIV image calibration apparatus and method based on a laser linear array, which relate to the technical fields of laser velocimetry and image inpainting, and can solve the problem of image distort...
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WO/2023/021131A1 |
The invention relates to a method for ascertaining a speed of a vehicle and to a vehicle, in particular a single-track vehicle such as a pedelec, the vehicle having an electric drive unit, a magnetic field sensor and a magnet arranged on...
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WO/2023/021129A1 |
The present invention relates to a system for ascertaining a speed of a bicycle, in particular a bicycle having a rider assistance drive, comprising: an in particular stationary sensor for measuring electrical and/or magnetic fields; a c...
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WO/2023/002802A1 |
The present invention comprises an acceleration sensor (20) that has at least an sx axis and an sy axis that are orthogonal to each other. The acceleration sensor (20) is provided to a vehicle such that a yaw installation angle that is t...
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WO/2023/002803A1 |
This invention comprises: an acceleration sensor (20) that at least has an sx axis and sy axis that are perpendicular to each other and is placed in a vehicle such that a yaw attachment angle that is the angle between a vehicle reference...
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WO/2022/249292A1 |
A calibration device for an orientation sensor, comprising an orb (20) accommodating an orientation sensor (10), a first power transmission part (33a) that is in contact with the orb (20) at a first contact point and transmits power for ...
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WO/2022/239618A1 |
The present invention addresses the problem that, since a delay occurs between a time at which wheel slip or sliding actually occurs and a time at which the wheel slip or sliding is detected by a processing device, a portion of a sudden ...
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WO/2022/228630A1 |
The invention relates to determining rotor speed of a wind turbine The invention involves receiving angular velocity sensor data indicative of an angular velocity of the wind turbine rotor hub, provided e.g. by a gyroscope, and receiving...
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WO/2022/231549A1 |
The present invention relates to a measurement device (10) for providing testing of said sensors in a land vehicle comprising pluralities of sensors which realize measurement on the brake system and on the transmission system. Accordingl...
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WO/2022/221895A1 |
The invention relates to a micro-electromechanical system (1) comprising: a sensor device (2) with a measuring transducer (3) which has an effective temperature T1; a high-frequency resonator (4) which is mechanically coupled to the sens...
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WO/2022/218835A1 |
A method for adapting to the tolerances of a system comprising at least one position sensor and a rotating target, wherein, when the target is rotating, the one or more sensors detect a predefined singularity on the target at a time T_i,...
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WO/2022/200403A1 |
The invention relates to a method for ascertaining a yaw-rate offset value (ωoffset) which represents the offset of yaw-rate measurement values of a yaw-rate sensor (2) of a motor vehicle (1). The method has the following steps: receivi...
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WO/2022/191066A1 |
The present invention addresses the problem of providing a module inspection method that can be performed with high accuracy without having to use inertial force. A module inspection method according to the present invention is used to i...
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WO/2022/176314A1 |
An acceleration monitoring device that comprises: an acquisition unit that acquires measured acceleration waveforms, being acceleration waveforms measured by a vehicle that is traveling a trajectory; a storage unit that stores a referenc...
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WO/2022/157108A1 |
The invention relates to a method for ascertaining the speed of a pedal cycle, in particular a bicycle or tricycle in the form of a pedelec, the speed of the pedal cycle being ascertained on the basis of a primary signal which is provide...
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WO/2022/152480A1 |
The present invention is intended to claim a device and a method by means of which the transmitted signals from a transmission means are used to derive a speed value and a reference speed value, which both represent the same movement, in...
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WO/2022/148360A1 |
A method and device for testing a positioning and speed measuring system main unit. The method comprises: obtaining a first simulated signal, the first simulated signal being obtained by simulating absolute position sensors and relative ...
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WO/2022/147516A1 |
An exemplary motion tracking and/or localization system is disclosed that can provide a non-line-of-sight motion tracking with millimetric accuracy for a tracer moving in close proximity to a magnetic source. In some embodiments, the tra...
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WO/2022/122633A1 |
In order to ascertain the speed value, at least a first and a second sensor variable, which represent the movement of a wheel of the vehicle, are detected by means of a sensor, for example a magnetic field sensor. The speed value is asce...
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WO/2022/117254A1 |
The invention relates to a method for calibrating a tri-axial accelerometer. The accelerometer is spatially oriented in that it is successively brought into four different measurement orientations. The measurement orientations are select...
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WO/2022/112500A1 |
The invention relates to a method for detecting malfunctions in inertial measurement units (4, 5, 6) which are used in a vehicle to measure angular velocities (ωA, ωB, ωC) and specific forces (fA, fB, fC), wherein: at least three iner...
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WO/2022/103111A1 |
The present invention relates to a vibration generation device for correcting a vibration sensor, and more specifically relates to a vibration generation device which is capable of minimizing the occurrence of parasitic motion and ripple...
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