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WO/2017/054205A1 |
A calibration method based on a dead reckoning technique, which is applied to a portable electronic device. The portable electronic device moves on a pre-set target path, and the target path is provided with at least two calibration poin...
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WO/2017/051153A1 |
A measuring device (10) for determining the location of one or more measurement points relative to the measuring device. The measuring device is arranged to be coupled to a non-contact distance measuring device or EDM (12) and one or mor...
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WO/2017/042576A1 |
A method is provided for determining corrections to rate data output by inertial sensors of a type typically used in tracking changes in orientation of an object. The present invention also extends to a tracker system incorporating the c...
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WO/2017/034673A1 |
Techniques are provided which may be implemented using various methods and/or apparatuses in a mobile device to provide cradle insensitive inertial navigation. An example method for determining alignment changes between a first body fram...
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WO/2017/029057A1 |
The invention relates to a navigation device comprising a turntable (1) which can be rotated about an axis (3) in at least two different rotary positions, in accordance with a rotary control signal. An inertial measuring unit (2) is arra...
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WO/2017/025726A1 |
A method of determining whether parametric performance of an inertial sensor has been degraded comprises: recording first data output from an inertial sensor; then recording second data output from the inertial sensor; comparing the firs...
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WO/2017/004675A1 |
A vehicle speedometer, including: a first component to generate first speed data representing speeds of a vehicle from rotation data representing rotations of a vehicle part, the rotational speed of which is proportional to the vehicle s...
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WO/2016/207029A1 |
The invention relates to an inertial measurement system for an aircraft, including at least one processing unit connected to at least two inertial units, namely at least one inertial unit of a first type comprising at least three angular...
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WO/2016/205224A1 |
A welding system is configured to calibrate a welding torch's orientation without using a magnetometer. The welding system comprises: a sensor, mounted rigidly to a welding torch, configured to output a first output, a second output, and...
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WO/2016/191182A1 |
Systems and methods for calibrating odometry of a materials handling vehicle. One embodiment of a method includes determining a current location of the materials handling vehicle, determining an odometry distance from the current locatio...
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WO/2016/184585A1 |
The invention relates to a method for operating an inertial sensor (2) of a vehicle, in particular a motor vehicle, wherein measurement data of at least one measurement variable of the inertial sensor are captured during operation of the...
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WO/2016/179698A1 |
The disclosed devices utilize nonlinearly coupled modes of vibration to provide robust inertial sensors, such as gyroscopes. This actuation mechanism introduces a wider bandwidth in the sense-mode frequency response curve, and consequent...
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WO/2016/168974A1 |
Systems and methods are provided for calibrating and regulating the temperature of a sensor (101). One or more temperature adjusting devices (102) can be provided to regulate the temperature of the sensor (101). One or more of the temper...
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WO/2016/165295A1 |
A zero-shift value measurement method during a satellite-antenna tilt-angle calibration process in a satellite communications on-the-move (SOTM) system. The method comprises the following steps: adjusting a pitch angle of an antenna to a...
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WO/2016/164908A1 |
An opportunistic calibration method continuously monitors a smartphone orientation and compensates for its variation, as necessary. The method relies on the probabilistic fusion of built-in sensors; in particular, the GPS, accelerometer,...
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WO/2016/155310A1 |
A method and device for calibrating the positioning and orientation system of a coal mining machine (4) based on laser scan, which belong to a method and device for positioning the coal mining machine (4).The device comprises mounting la...
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WO/2016/135676A1 |
A monitoring device (110) for monitoring a condition to which an object is exposed in transit is provided. During transit, the device (110) moves between multiple local networks, each including one or more network managers (130). The dev...
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WO/2016/138405A1 |
Disclosed are systems, methods and techniques for calibrating a barometric pressure sensor of a mobile device. In one embodiment, a barometric pressure sensor of a mobile device may be calibrated by determining that the mobile device has...
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WO/2016/131127A1 |
An unmanned aerial vehicle and process for automatically calibrating the unmanned aerial vehicle having at least one magnetic sensor is described. The calibration process involves receiving an internal or external control command to init...
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WO/2016/123813A1 |
An attitude relationship calculation method for an intelligent device, and the intelligent device. The method may comprise: acquiring measurement attitude information of a coordinate system of a calibration device in a world coordinate s...
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WO/2016/120600A1 |
A method of compensating for signal error is described, comprising: receiving a first signal from a first sensor, said first signal indicative of a movement characteristic; applying an error compensation to said first signal to produce a...
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WO/2016/119056A1 |
The use of an accelerometer for inertial navigation of a low thrust spacecraft undergoing acceleration wherein the inaccuracy of the accelerometer is less than the uncertainty in the accuracy of a modeled non-gravitational component of t...
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WO/2016/113653A1 |
A capacitive sensor device includes capacitive elements for detecting at least two inertial channels. At least one of the inertial channel comprises at least two self-test tones with distinctive fundamental frequencies. Inertial signals ...
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WO/2016/112571A1 |
A high-precision fiber-optic gyroscope inertial measurement device calibration method, comprising the following steps: S1, respectively forwardly turning a fiber-optic gyroscope inertial measurement device by 90°, 180° and 270° for th...
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WO/2016/111887A2 |
Methods and systems are provided herein for measuring 3D apparatus (e.g., manual tool or tool accessory) orientation. Example implementations use an auto-nulling algorithm that incorporates a quaternion-based unscented Kalman filter. Exa...
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WO/2016/110439A1 |
The invention relates to a device (1) for testing an inertial sensor (2) for a vehicle, which has at least two attachment points (7, 8), having at least one first oscillation body (3, 4) to which the inertial sensor (2) is fastenable/fas...
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WO/2016/107806A1 |
Device for measuring an inertia parameter comprising a first sensor of electromechanical microsystem type operating at a first frequency and a second sensor of cold atoms device type operating at a second frequency which is lower than th...
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WO/2016/086379A1 |
A system for automatically adjusting a baseline of an imaging system for stereoscopic imaging and methods for making and using same. The imaging system includes a plurality of imaging devices that cooperate via a baseline adjustment mech...
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WO/2016/081758A1 |
A steering tool may include a tool body, gimbal body rotatably coupled to the tool body, and an angular positioning device to rotate the gimbal body relative to the tool body. One or more sensors may be coupled to the gimbal body. The se...
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WO/2016/074153A1 |
Systems and methods may provide for obtaining first sensor data associated with a gyroscope (22) and obtaining second sensor data associated with a magnetometer (10). Additionally, the first sensor data, the second sensor data and an ext...
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WO/2016/067011A1 |
An inertial measurement system (200) for a longitudinal projectile, comprising a first, roll gyro to be oriented substantially parallel to the longitudinal axis of the projectile; a second gyro and a third gyro with axes arranged with re...
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WO/2016/049781A1 |
An adjustment device and associated method is disclosed, for adjusting an equipment, such as a camera, having an actuator for adjusting a variable setting, such as a lens setting (focus, iris, zoom). A control system drives the actuator ...
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WO/2016/044831A1 |
Training at the proper level of effort is important for athletes whose objective is to achieve the best results in the least time. In running, for example, pace is often monitored. However, pace alone does not reveal specific issues with...
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WO/2016/029724A1 |
An automatic testing method and system for a vehicular navigation instrument. The method comprises: determining whether the existence of an external bootstrap program is detected (S101); starting the external bootstrap program and starti...
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WO/2016/008936A1 |
The present invention is concerned with a method of calibrating a vibrating gyroscope (1). The method comprises exciting a vibration along an excitation axis (13, 15) of a resonant structure (2) wherein the excitation axis (13, 15) is po...
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WO/2016/005657A1 |
The invention relates to a method for generating an estimation of earth's gravity. The method comprises: obtaining (210) one or more acceleration data values and one or more orientation data values over a period of time; generating (220)...
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WO/2015/197030A1 |
A method for correcting the driving amplitude of a gyro sensor, mainly comprises adjusting the size of a driving signal (a preset amplitude value) through feedback of a sensor response amplitude signal (an average amplitude value) in a r...
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WO/2015/189184A1 |
The invention relates to a method for initializing a sensor fusion system, wherein the sensor fusion system comprises a base system (101, 201) and at least one correction system (103, 104, 203, 204), wherein measured values are captured ...
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WO/2015/175124A1 |
Methods and systems are presented for providing a combined barometric value. In some embodiments, the method includes obtaining, at a serving fixed local transceiver, barometric values of a plurality of client fixed local transceivers (8...
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WO/2015/157069A1 |
This disclosure provides techniques for guiding a user through a calibration operation of a mobile de vice having a motion sensor. The user may receive one or more visual cues to aid the user in positioning the device in one or more desi...
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WO/2015/152921A1 |
An electronic pedometer device can be calibrated using other pedometer devices that the user happens to be wearing. For example, a first pedometer can be incorporated into a device wearable on a first portion of a user's body (e.g., the ...
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WO/2015/135614A1 |
A method for optimizing the switched-on time of a Coriolis gyroscope (1) having a mass system (100) which can be excited to an excitation oscillation of the Coriolis gyroscope (1) parallel to a first axis (x), wherein a deflection of the...
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WO/2015/113330A1 |
An autonomous navigation system using an image information code to provide correction information, comprising an image information code and a mobile terminal preset to a geographical location; the mobile terminal comprising an image info...
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WO/2015/086587A1 |
The present invention relates to a method for aligning an inertial unit (2) on-board a carrier traveling in a mapped grid (41) defining a series of accessible position / orientation pairs comprising steps of: (E1) initialisation, during ...
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WO/2015/074140A1 |
A sensor system for use with a host device a vehicle comprises a frame and at least one wheel comprises first and second sensors. The first sensor is associated with the at least one wheel of the vehicle, and the second sensor is associa...
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WO/2015/075248A1 |
The invention relates to an alignment method based on a simplified mode allowing processing using an invariant Kalman filter, in which each speed involved in the navigation equations is expressed in a work reference frame (Rt) translated...
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WO/2015/058986A1 |
The invention relates to a device for positioning, suitable for being provided in a mobile body, which comprises at least one inertial measurement unit (1) including a 3D gyrometer and a 3D accelerometer, a calculation unit (2) which rec...
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WO/2015/039216A1 |
The present disclosure relates to a method and system for providing and enhanced navigation solution of a device within a platform (such as for example person, vehicle, or vessel of any type), wherein the device is within the platform an...
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WO/2015/023443A1 |
Methods and systems facilitate troubleshooting or maintenance of in vitro diagnostic equipment. An operator of the equipment utilizes an app on mobile device to receive status information from the equipment and capture images of the equi...
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WO/2015/017931A1 |
Described is a method of determining a proximity of an object to an electronic device, the method comprising: determining the proximity of the object to the electronic device using a non- camera proximity sensor; and in response to the o...
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