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JP2023111659A |
To provide a physical quantity sensor module that can accurately conduct normal/abnormal diagnosis, and a method for diagnosing a physical quantity sensor.A physical quantity sensor module has: a physical quantity sensor that detects a p...
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JP2023109353A |
To provide a jig for acceleration pickup calibration with which it is possible to attach a reference acceleration pickup and an acceleration pickup to be calibrated to a vibration table in an arrangement recommended by JIS B 0908 and per...
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JP2023106323A |
To provide a sensor system capable of calculating the speed of a bicycle reliably and without a mistake.A sensor system 1 for a bicycle 10 comprises: a magnetic field sensor; an acceleration sensor unit including at least one acceleratio...
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JP7314836B2 |
To provide a polynomial which enhances the estimation accuracy of acceleration.A parameter calculation part 3 comprises; an aggregated torque specification part 325 for specifying aggregated torque which is obtained by aggregating shaft ...
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JP2023079275A |
To provide a vibration rectification error correction device which does not require neither a synchronization circuit of a large circuit scale nor calculation of large load, in order to generate data synchronized with a signal that is no...
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JP7269697B1 |
Kind Code: A1 The present invention relates to a piezoelectric voltage output acceleration sensor, and more particularly to a piezoelectric voltage output acceleration sensor that compensates for temperature characteristics that cause me...
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JP2023060944A |
To provide a new system capable of calibrating a noncontact velocity meter.A calibration system for a noncontact velocity meter includes: a rotating body 20 on which a noncontact velocity meter 10 to be calibrated can be fixed and which ...
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JP2023060983A |
To provide a new system capable of calibrating a noncontact velocity meter.A calibration system for a noncontact velocity meter includes: a movable mobile device 20 on which a noncontact velocity meter 10 to be calibrated is arranged; a ...
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JP2023059331A |
To provide a remotely inspectable anemometer that can reduce labor required for inspection and allows workers to avoid work in a dangerous place.An anemometer includes a rotor (13) that is fixed to an end portion of a rotating shaft and ...
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JP7255364B2 |
A movable structure includes: a moving part pivoting about a predetermined axis; a sensor module provided at the moving part or at a site interlocked with the moving part; and a control device controlling the moving part and the sensor m...
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JP7248643B2 |
Embodiments of the present disclosure disclose a method, apparatus, device, and medium for calibrating a temperature drift, relate to on-board map technology. The method includes: acquiring a first measurement value and a second measurem...
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JP7246210B2 |
To allow an automatic calculation of a wheel diameter which saves persons the operation of setting, and increase the accuracy of the calculation.In a rate compensation unit 1, a wheel diameter operation unit 11 acquires a pulse signal ac...
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JP2023042129A |
To provide an inertial sensor module having high detection accuracy relative to a specific one axis.An inertial sensor module includes: a first inertial sensor having a first axis as a detection axis; a second inertial sensor having the ...
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JP7243485B2 |
A physical quantity detection circuit includes: a detection signal generation circuit generating a detection signal, based on an output signal from a physical quantity detection element; an analog/digital converter circuit converting the...
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JP7238658B2 |
A vehicular apparatus includes a first power supply circuit, a second power supply circuit, a correction unit, and a sensor configured to detect an angular velocity or acceleration applied to a vehicle. The first power supply circuit is ...
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JP7238490B2 |
To obtain a sensor error correction device and a sensor error correction program capable of correcting inclination in a left and right direction and acceleration of a vehicle with high accuracy even in the case that a vehicle body is inc...
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JP2023024080A |
To provide technology enabling calculation of highly accurate speed.According to one aspect of the disclosure, difference (V2-V1) between a first speed V1 which is a speed of a mobile object calculated based on a position of the mobile o...
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JP7221453B2 |
A method and apparatus for checking a MEMS acceleration sensor chip, the method comprising: applying a variable direct current voltage and an alternating current voltage of a preset frequency to a first electrode plate and a second elect...
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JP2023016760A |
To provide a method for detecting the resting state of a vehicle.The method of the present invention includes: a step (a) of detecting the resting state of a vehicle on the basis of at least one sensor; a step (b) of executing an inspect...
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JP2023016629A |
To provide an acceleration detector capable of precisely detecting the mounting angle of an acceleration sensor.The acceleration detector includes an acceleration sensor 20 with at least an sx-axis and an sy-axe that are orthogonal to ea...
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JP2023016630A |
To provide an acceleration detector capable of precisely detecting a mounting angle of an acceleration sensor.The acceleration detector includes an acceleration sensor 20 with at least an sx-axis and an sy-axis that are orthogonal to eac...
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JP7206883B2 |
To achieve a yaw rate correction device that calculates an error of a detection yaw rate which a yaw rate sensor of a vehicle detects from an image and vehicle speed which an imaging device acquires on the basis of a proper yaw rate, and...
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JP7205104B2 |
A control apparatus is applied to a vehicle including (i) a rotating electrical machine and (ii) a wheel speed sensor detecting a wheel speed. The control apparatus sets a rotation angle of the rotating electrical machine based on an est...
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JP2022190463A |
To provide an acceleration sensor correction device capable of suppressing the influence of zero point correction depending on the presence or absence of cargo, etc, a road gradient detection device, an operation record device, an accele...
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JP2022187561A |
To provide a fluid measurement system with which it is possible to measure the flow velocity of a measurement fluid with high accuracy.Provided is a fluid measurement system comprising: a first load sensor and a second load sensor instal...
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JP7190063B2 |
A method and system are provided for estimating the g-sensitivity of a quartz oscillator, which includes rotating the quartz oscillator successively around each of a plurality of axes constituting a full-rank system, measuring a frequenc...
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JP2022174927A |
To provide an acceleration sensor correction device, a road gradient detector, and an operation recorder that can more accurately correct the gradient detection based on an acceleration.An acceleration sensor correction device 100 is boa...
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JP7172177B2 |
To provide a physical quantity detector which can reduce currents flowing into a physical quantity detection element during a diagnosis.The physical quantity detection circuit includes: a first terminal electrically connected to a first ...
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JP7169252B2 |
To enable pulse period abnormality of a rotation sensor to be detected while preventing wrong determination, even in a state where a rotation speed of a rotor fluctuates.A controller 12 performs a first count when a rate of change betwee...
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JP7165080B2 |
A physical quantity detection circuit includes a detection signal generation circuit that generates a detection signal based on an output signal of a physical quantity detection element, an analog/digital conversion circuit that converts...
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JP7158109B2 |
The present invention provides a method and an apparatus for calibrating a forward axis of a vehicle accelerometer and relates to a smart traffic field. Specifically, on the basis of an actual slope in a route, acceleration data of three...
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JP7152285B2 |
Provided is an electronic apparatus including a vision sensor of an event-driven type including a sensor array having a sensor that generates an event signal when detecting a change of an incident light intensity, an inertial measurement...
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JP7139794B2 |
In an apparatus for learning a scale factor used to calculate a true value of a speed of a vehicle from a detected speed that is a sensor reading from a vehicle speed sensor, a sensor reading acquirer acquires the detected speed of the v...
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JP7129697B2 |
To perform inspection of a speedometer of a vehicle efficiently and precisely.In a speedometer inspection system 1, a speedometer inspection processor 30 includes an ECU vehicle speed acquisition part for acquiring vehicle speed informat...
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JP2022538267A |
The method relates to a method for calibrating the coordinate system of a multi-axis deceleration sensor in a railway vehicle, the method now undergoing the next step, i.e. aligning the vertical axis of the sensor with the vertical axis ...
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JP2022115727A |
To obtain high resolution of an acceleration sensor.A sensor device is provided that includes: a plurality of acceleration sensors provided on an object and within a predetermined distance from each other and detecting acceleration of th...
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JP7111869B2 |
Methods and systems for compensating for the absence or loss of a sensor measurement in a heading reference system such as an aircraft attitude and heading reference system, integrated standby unit, or vehicle inertial system, provides a...
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JP2022104345A |
To provide a vibration rectification error correction device that can correct a vibration rectification error while fixing a group delay amount.A vibration rectification error correction device comprises: a reference signal generation ci...
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JP2022104344A |
To provide a vibration rectification error correction device that can improve resolution for correcting a vibration rectification error.A vibration rectification error correction device comprises: a first filter that operates in synchron...
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JP2022095211A |
To provide a diagnosis system that can prevent the failure of a sensor device for detecting the acceleration of an object.A diagnosis system includes: one or more sensor devices that are provided on a structure to be diagnosed, include a...
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JP2022094953A |
To provide a vehicle sensor calibration method, a vehicle sensor calibration system and a vehicle sensor.A vehicle sensor calibration method pertaining to the present invention includes: a step for determining a stationary state, in whic...
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JP2022089789A |
To provide a MEMS vibrating beam accelerometer with built-in test actuators, and a method of testing the same.Resonators 18A, 18B are excited at respective resonant frequencies. In the presence of external acceleration, a proof mass 12 a...
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JP2022088896A |
To provide an acceleration correction system that can be retrofitted to a vehicle and is excellent in detection accuracy.An acceleration correction system 1 detects the acceleration of an automobile 10, and comprises: a travel informatio...
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JP2022074426A |
To properly detect an abnormality of a rotation number sensor for detecting the number of rotations of an output shaft of an electric motor.An abnormality detector for a rotation number sensor for a vehicle of the present invention inclu...
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JP2022071486A |
To provide a physical quantity sensor and an inertial measurement device that determines an abnormality in elements and applies bias voltage to be able to normalize the element.A physical quantity sensor 1 comprises a determination circu...
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JP7063162B2 |
To calculate the rate of rotation of a tire which has become free from influences of slips and load movements.A correction device 2 includes a rotational rate acquisition unit 21, a comparison value calculation unit 24, a lateral acceler...
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JP7056575B2 |
A motion measurement apparatus according to an embodiment of the present technology includes a controller unit. The controller unit extracts, from an acceleration in each direction of three axes that includes a dynamic acceleration compo...
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JP7056097B2 |
To provide a diagnostic device capable of diagnosing an acceleration sensor with a simple configuration.The diagnostic device includes an acceleration sensor that generates signals representing the acceleration on the basis of electrosta...
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JP2022059964A |
To provide a vehicle stoppage determination device that performs a highly accurate vehicle stoppage determination.A vehicle stoppage determination device comprises: an angular velocity sensor; a wheel speed sensor; a calculation unit tha...
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JP7052958B2 |
To provide a thermal fluid sensing device capable of detecting failure due to adhesion of foreign matter, and to provide a method of detecting failure of a fluid sensor.A fluid sensing device is provided, comprising: a fluid sensor confi...
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