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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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WO/2022/097440A1 |
In the present invention, before a base (128) is assembled, the sensitivities of a plurality of sensors (104, 105, 131, 132) respectively disposed on a plurality of blocks (102, 103, 129, 130) are inspected. In an inspection step, the pl...
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WO/2022/089764A1 |
A method for measuring speed comprises the steps of: detecting (606) a time of presence of a marker at a given location covered by a sensor in two consecutive detections Τ1 and T3 of the marker. A time between the end of the first and t...
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WO/2022/082698A1 |
A correction method and apparatus for an ultrasonic anemograph. The correction method comprises: calculating the propagation speed Cair of an ultrasonic wave; processing a signal received in a direction from a transducer n to a transduce...
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WO/2022/068217A1 |
A method and a system for batch testing of MEMS acceleration sensor chips, for solving the problems of large amounts of labor consumption and large testing workloads during MEMS acceleration sensor chip testing. The system comprises a te...
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WO/2022/056899A1 |
A fault diagnosis method and apparatus for a vehicle speed measuring apparatus. The method comprises: acquiring a first vehicle speed measured by a speed measuring apparatus; acquiring reference information of a static reference object a...
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WO/2022/051017A1 |
A target alignment system for calibrating a safety sensor mounted on a vehicle with front and rear wheels by locating an optimum target position upon a horizontal surface for accurate calibration of the sensor. The target alignment syste...
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WO/2022/042677A1 |
The present invention relates to a signal conditioning system for improving the low-frequency measurement performance of an acceleration sensor. The signal conditioning system comprises: a charge integration circuit, a high-pass filter c...
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WO/2022/005830A1 |
A method for determining sensor calibration parameters includes: obtaining a plurality of sets of sensor measurement values, in a sensor coordinate system, of a sensor of a user equipment; and determining the sensor calibration parameter...
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WO/2022/000797A1 |
A method and system for the fault diagnosis of acceleration sensors, which are applied to a levitation system. The method comprises: collecting an acceleration signal and a gap signal; processing the acceleration signal and the gap signa...
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WO/2021/253713A1 |
A support device based on a six-dimensional force acceleration sensor (2), comprising: a base (1), clamping blocks (3), a connecting base (4), clamping rings (5), and a driver. According to the device, the driver is used to drive the con...
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WO/2021/245993A1 |
It is an objective of the present disclosure to allow an abnormality diagnosis by a detection part, while restraining the configuration of the detection part from being complicated. An inertial force detection circuit (10) is provided wi...
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WO/2021/237660A1 |
A new approach for determining a movement orientation of a user is proposed in indoor navigation. The approach involves: obtaining a device orientation of a terminal device based on at least one signal stream collected from the terminal ...
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WO/2021/234489A1 |
A method is described for estimating, by means of measurements taken by means of an inductive sensor, the time for which an endothermic motor of a tool has operated at predetermined rotating speeds, and an apparatus implementing said met...
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WO/2021/236492A1 |
A MEMS accelerometer includes proof masses that move in-phase in response to a sensed linear acceleration. Self-test drive circuitry imparts an out-of-phase movement onto the proof masses. The motion of the proof masses in response to th...
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WO/2021/215077A1 |
Provided are a sensor system, sensing method, and program that make it possible to enhance the accuracy of a pseudo-signal obtained through self-testing. A sensor system (1) comprises a sensor element (2), a signal processing circuit (3)...
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WO/2021/213812A1 |
The invention relates to a method for determining a rotational frequency of a wheel, in particular of a motor vehicle, having a rate of rotation sensor (1) that has a rotary sensor (2) assigned to the wheel and a sensor element (3) assig...
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WO/2021/193704A1 |
A measurement system according to one aspect of the present invention measures the degree of movement of a moving measurement target. In this measurement system, a calculation unit calculates M calculated values (M being an integer great...
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WO/2021/186355A1 |
Method for estimating a longitudinal acceleration of at least one railway vehicle A method for estimating a longitudinal acceleration of at least one railway vehicle by means of an accelerometric sensor means (100) is described, comprisi...
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WO/2021/185516A1 |
The invention relates to a device (1) for characterising, for checking and/or for testing a component (10), in particular a microelectromechanical system, characterised in that the device (1) comprises a support (2) and an exciter device...
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WO/2021/180574A1 |
The invention relates to a method for compensating a temperature drift of an accelerometer for measuring the lateral tilt of a motorcycle. When the vehicle is in the 'bike upright' position (622, 632) and the temperature of the accelerom...
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WO/2021/178149A1 |
A MEMS system includes a gyroscope that generates a quadrature signal and an angular velocity signal. The MEMS system further includes an accelerometer that generates a linear acceleration signal. The quadrature signal and the linear acc...
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WO/2021/164006A1 |
A vehicle speed measurement method comprises: acquiring echo data of a radar and a reference traveling speed of a target vehicle (101); obtaining, according to the echo data and the reference traveling speed, an image corresponding to a ...
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WO/2021/166691A1 |
The present disclosure relates to an information processing device, an information processing method, and a program which enable simple, proper calibration. When a pen-type device containing an inertial measurement device, such as an IMU...
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WO/2021/152108A1 |
The present invention relates to a method (100) for self-testing an angle-of-attack probe comprising the steps of controlling (110) an angular excitation of a rotary element that is rotatable about its equilibrium position according to k...
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WO/2021/131780A1 |
The present disclosure relates to a drive control device, a drive control method, and a program that enable improvement of detection accuracy of a multi-IMU. Angular velocities supplied by a plurality of Inertial Measurement Units (IMUs)...
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WO/2021/128971A1 |
Disclosed are a portable field multi-frequency vibration acceleration correction system and a method. The system comprises a portable multi-frequency standard vibration source (10), an acquisition card industrial control box (14) and a c...
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WO/2021/122517A1 |
Disclosed is a monitoring system for a speed determination system in an aircraft and a method, which may be implemented by a computer program, of monitoring a speed determination system for an aircraft. The speed determination system com...
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WO/2021/123644A1 |
The invention relates to an electronic device (1) comprising a circuit board (2) and an inertial measurement unit mounted on the circuit board (2), the inertial measurement unit comprising at least one gyroscopic sensor and/or at least o...
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WO/2021/115777A1 |
The invention relates to a checking apparatus (10) for checking a number of start cycles of a detection device (12) of a motor vehicle, having an electrical switching device (14) for providing an electrical sensor supply (16) for the det...
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WO/2021/093378A1 |
An ultrasonic air velocity sensor for an underground coal mine, comprising a base (1). The base (1) is hung and connected to a tunnel roof. A three-dimensional gyro sensor (3) is mounted in the center of the upper horizontal plane of the...
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WO/2021/074024A1 |
The invention relates to an acceleration sensor (1), wherein the acceleration sensor (1) has a seismic mass (2), a prestressing arrangement (3) and a measurement system (4); which seismic mass (2) exerts a force on the measurement system...
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WO/2021/075400A1 |
An embodiment of this disclosure is an acceleration detection device comprising: a first acceleration acquisition unit for acquiring a first acceleration from a mechanical acceleration sensor; a second acceleration acquisition unit for a...
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WO/2021/061001A1 |
An industrial process field device includes a piezoelectric transducer, a sensor circuit, a test circuit, a controller and a communications circuit. The sensor circuit generates a sensor signal indicating a process variable based on a vo...
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WO/2021/050238A1 |
Exemplary embodiment of a tilting z-axis, out-of-plane sensing MEMS accelerometers and associated structures and configurations are described. Disclosed embodiments facilitate improved offset stabilization. Non-limiting embodiments provi...
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WO/2021/039910A1 |
An abnormality detection device (40) is provided with a diagnosis unit (41) that causes a self-diagnosis of a vibration sensor (20) to be performed via a first communication line (31). In addition, the abnormality detection device (40) i...
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WO/2021/036376A1 |
A calibration method for a watercraft true wind measuring device comprises: establishing a watercraft rolling simulation platform having two linked axes, simulating a natural wind by using a wind flow field in a wind tunnel, controlling ...
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WO/2021/028789A1 |
A method, system and computer program for calibrating a telematic device (10) installable on a ground vehicle (2) by means of a mobile electronic device (30) comprising the steps of a) installing said telematic device (10) on a ground ve...
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WO/2021/023515A1 |
The application concerns a method of estimation of rotor operational characteristics, in particular rotor speed (39), rotor azimuth (61) and rotation direction (59), of a rotating rotor (7) of a wind turbine, the method comprising: measu...
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WO/2021/013542A1 |
The invention relates to a rotation sensor for generating an electrical output signal (12) from which a rotational speed (14) of a mechanical component (16) can be deduced. The rotation sensor is shown in the drawings as a wheel speed se...
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WO/2021/015072A1 |
A vehicle device (1) according to an embodiment comprises: a first power supply circuit (38); a second power supply circuit (39), the minimum operation voltage of which is set lower than that of the first power supply circuit (38), and w...
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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/2020/243696A1 |
Described herein is a method and system for testing a force or strain sensor in a continuous fashion. The method employs a sensor, a test fixture, a load cell, a mechanical actuator and tester hardware and software to simultaneously reco...
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WO/2020/227626A1 |
A processing device provides a plurality of motion capture sensors affixed to different portions of a subject and establishes, without using a magnetometer, a common reference frame for the plurality of motion capture sensors. The proces...
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WO/2020/207787A1 |
The invention relates to a measurement device (10) for measuring a sensor current (Is) in a sensor arrangement (1) and to corresponding sensor arrangements (1, 1A) having such a measurement device (10), wherein the sensor current (Is) fl...
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WO/2020/195135A1 |
The invention is provided with: an input device for inputting machine information that includes the vehicle size class for a hydraulic shovel and specifications for a front work machine; a display control device to generate a target orie...
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