Method for monitoring operation of a technical object, wherein a) a first orientation of the first acceleration sensor in the form of a position vector is determined, b) the mathematical model for operation of the object is generated and trained, c) the first acceleration sensor is disassembled and a three-axle replacement acceleration sensor is assembled with a new orientation on the object, d) acceleration values are detected, e) respective indicator values are calculated from the temporal course of the detected acceleration values of the replacement acceleration sensor, f) a replacement vector is determined from the indicator values and a differential vector between the replacement vector and the position vector of the first acceleration sensor determined in step b) is determined, and g) the model during operation of the object for the position vector in the orientation of the replacement vector is applied by taking into account the differential vector.

A system for determining mechanical failure in a boat, power sports vehicle, recreational vehicle or other asset system is provided comprising attaching one or more sensors to the asset system, using the one or more sensors to gather data regarding physical characteristics of the asset system, providing a dashboard configured to receive the data from the one or more sensors and transmit to devices upon request, providing a GPS device configured to collect and transmit data regarding asset characteristics, providing a server which is configured to receive the data regarding physical characteristics of the asset, store the data in a database, and make determinations of mechanical failures based on the data received from the one or more sensors, providing a mobile application configured to display information regarding the status, and sending out notifications.

An article sorting apparatus, comprising a sorting mechanism (23) that performs a sorting operation to convey an inspected article (W) in one of a plurality of sorting directions (D1, D2 and D3); and a control unit that receives a sorting control signal (RJ) and controls operation of the sorting mechanism (23), wherein the sorting mechanism (23) includes rejection arms (31, 32) that change posture between a rejection posture where the rejection arms contact with the article (W) to change the conveyance direction to a specific sorting direction (D2 or D3) and a pass allowance posture where the rejection arms allow the article (W) to pass without contacting with the article, and air cylinders (33A, 33B) that operate the rejection arms to change the posture thereof, and an acceleration sensor (61) and a detection unit (62) and a deterioration determination circuit (46) that determines the deterioration of the movable portion (23M).

An article sorting apparatus, comprising a sorting mechanism (23) that performs a sorting operation to convey an inspected article (W) in one of a plurality of sorting directions (D1, D2 and D3); and a control unit that receives a sorting control signal (RJ) and controls operation of the sorting mechanism (23), wherein the sorting mechanism (23) includes rejection arms (31, 32) that change posture between a rejection posture where the rejection arms contact with the article (W) to change the conveyance direction to a specific sorting direction (D2 or D3) and a pass allowance posture where the rejection arms allow the article (W) to pass without contacting with the article, and air cylinders (33A, 33B) that operate the rejection arms to change the posture thereof, and an acceleration sensor (61) and a detection unit (62) and a deterioration determination circuit (46) that determines the deterioration of the movable portion (23M).

A method for predicting vibrations in an aircraft comprising an active vibration reduction system includes estimating a first vibration amplitude or frequency resulting from adjustments by the active vibration reduction system and the respective sensitivities of the aircraft depending on the flying state using a statistical mathematical process, recording a second vibration amplitude or frequency by a sensor, generating a pseudo-vibration profile by combining the first and second vibration amplitudes or frequencies, comparing the pseudo-vibration profile with a predefined target vibration profile, and outputting a signal when a specific threshold value has been exceeded.

A method for predicting vibrations in an aircraft comprising an active vibration reduction system includes estimating a first vibration amplitude or frequency resulting from adjustments by the active vibration reduction system and the respective sensitivities of the aircraft depending on the flying state using a statistical mathematical process, recording a second vibration amplitude or frequency by a sensor, generating a pseudo-vibration profile by combining the first and second vibration amplitudes or frequencies, comparing the pseudo-vibration profile with a predefined target vibration profile, and outputting a signal when a specific threshold value has been exceeded.

Provided a vibration measurement device for a rotary tool held by a tool holder that is coupled with a spindle and axially rotates in cooperation with the spindle. The vibration measurement device includes: a pair of acceleration sensors attached to a horizontal plane with respect to a rotary axis of a rotary tool in a manner symmetric to the rotary axis; an amplifier circuit that matches impedance of acceleration information from the acceleration sensors and amplifies voltage; a low-pass filter that removes predetermined high frequencies from an output signal of the amplifier circuit; and a subtraction circuit and an addition circuit that output a parallel vibration signal in an XY direction and a vibration signal in a rotational direction, respectively, from the output signal of the low pass filter.

It is described a method and arrangement of fibre optic distributed sensing for detection of an event at an event location within a blind region, the method comprising: using at least one optical fibre arranged at least partly along an object to be monitored and at least one light pattern interrogator coupled with the optical fibre; injecting light patterns at subsequent times; detecting backscatter light from the light patterns; and analysing the backscatter light to determine the event location.

The present disclosure relates to a diagnostic device for a field device from the field of automation technology, comprising a control unit, a sensor carrier, a stereo acoustic sensor, which is fastened to the sensor carrier, a first temperature sensor, which is fastened at a first position on the sensor carrier, and a second temperature sensor, which is fastened at a second position on the sensor carrier. The first position and the second position are remote from one another owing to a first spacing. The sensor carrier is suitable for being expanded such that the first spacing is changed.

The present invention relates to a full-field vibration measurement method based on microwave sensing, which is characterized by comprising the following steps: step 1, repeatedly transmitting linear frequency modulated continuous wave microwave signals by means of one or more transmitting antennas; step 2, receiving reflected signals from targets and/or measurement points by means of a plurality of receiving antennas, and performing frequency mixing on received signals and local oscillator signals to obtain multi-channel intermediate frequency baseband signals; step 3, acquiring intermediate frequency baseband signals in various channels, and resolving and positioning targets and/or measurement points within the full field based on a joint range and angle dimension; and step 4, extracting vibration displacement time-domain information of targets to be measured and/or measurement points. By means of the full-field vibration measurement method based on microwave sensing provided in the present invention, synchronous vibration information measurement of targets and/or measurement points within the full field is achieved by positioning and resolving the targets and/or measurement points within the full field based on a joint range-angle dimension and tracking phase evolution, thereby solving the difficulties in the prior art that full-field vibration measurement and interference suppression cannot be achieved.