公开(公告)号：US20210149387A1

公开(公告)日：2021-05-20

申请号：US17003562

申请日：2020-08-26

Applicant: MOVIC LAB INC.

Inventor： Won Keun LEE

IPC: G05B23/02 ,  G01N29/12

Abstract: Disclosed are a facility failure prediction system and method using an acoustic signal of the ultrasonic band. The facility failure prediction system using an ultrasonic band according to the present disclosure includes a detection sensor located adjacent to a facility, and a server configured to determine whether sampling data extracted from an acoustic signal is a normal signal or an abnormal signal to generate a plurality of labeling information, to analyze sampling data corresponding to abnormal signal labeling information determined as an abnormal signal to generate abnormal signal analysis information, and to analyze a pattern of normal signal labeling information determined as the normal signal among the plurality of labeling information and the abnormal signal analysis information to provide failure prediction information for the facility.

公开(公告)号：US20210140925A1

公开(公告)日：2021-05-13

申请号：US16611893

申请日：2018-04-12

Applicant: Siemens Aktiengesellschaft

Inventor： Ralf Bell ,  Uwe Pfeifer ,  Ingo Balkowski

IPC: G01N29/04 ,  G01N29/12 ,  G01N29/44 ,  F01D21/00 ,  G06N5/04

Abstract: A fast and simple classification of the state of the component is ensured by carrying out the resonance test in an automated manner on blade assemblies, in which frequency images of new and used components are compared with each other.

公开(公告)号：US20210109066A1

公开(公告)日：2021-04-15

申请号：US16498610

申请日：2018-03-30

Applicant: NEC CORPORATION

Inventor： Toshiaki YAMASHITA ,  Michitaro SHOZAWA ,  Satoshi AOKI

IPC: G01N29/22 ,  G01N29/42 ,  G01N29/44 ,  G01N29/04 ,  G01N29/12

Abstract: An inspection apparatus comprises a chassis position/attitude estimator to estimate position/attitude information of a moving body and generate a chassis position/attitude estimation signal, a hammering tester hammer part error signal generator to generate a hammering tester hammer part error signal, a hammering tester hammer part position/attitude signal generator to generate a hammering tester hammer part position/attitude signal, a first sensor data frequency characteristic interpolator to generate a first sensor data frequency characteristic interpolation signal from the received chassis position/attitude estimation signal, a second sensor data frequency characteristic interpolator to generate a second sensor data frequency characteristic interpolation signal from the received hammering tester hammer part error signal and the received hammering tester hammer part position/attitude signal, and a hammering tester hammer part position/attitude estimator to generate a hammering tester hammer part position/attitude estimation signal from the received first sensor data frequency characteristic interpolation signal and the received second sensor data frequency characteristic interpolation signal.

公开(公告)号：US10955932B1

公开(公告)日：2021-03-23

申请号：US16711242

申请日：2019-12-11

Applicant: Facebook Technologies, LLC

Inventor： Elliot Saba ,  Robert Y. Wang ,  Christopher David Twigg ,  Ravish Mehra

IPC: G06F3/01 ,  G01N29/12 ,  G06N20/00 ,  G02B27/01

Abstract: A head-mounted display (HMD) tracks a user's hand positions, orientations, and gestures using an ultrasound sensor coupled to the HMD. The ultrasound sensor emits ultrasound signals that reflect off the hands of the user, even if a hand of the user is obstructed by the other hand. The ultrasound sensor identifies features used to train a machine learning model based on detecting reflected ultrasound signals. For example, one of the features is the time delay between consecutive reflected ultrasound signals detected by the ultrasound sensor. The machine learning model learns to determine poses and gestures of the user's hands. The HMD optionally includes a camera that generates image data of the user's hands. The image data can also be used to train the machine learning model. The HMD may perform a calibration process to avoid detecting other objects and surfaces such as a wall next to the user.

公开(公告)号：US20210080431A1

公开(公告)日：2021-03-18

申请号：US16597615

申请日：2019-10-09

Applicant: APPLIED MATERIALS, INC.

Inventor： Chuang-Chia Lin ,  Surajit Kumar ,  Upendra Ummethala

IPC: G01N29/12 ,  H03H9/02 ,  H01L21/67 ,  H01L21/66

Abstract: Embodiments disclosed herein include diagnostic substrates and methods of using such substrates. In an embodiment, a diagnostic substrate comprises a substrate, and a device layer over the substrate. In an embodiment, the diagnostic substrate further comprises a resonator in the device layer. In an embodiment, the resonator comprises a cavity, a cover layer over the cavity, and electrodes within the cavity for driving and sensing resonance of the cover layer. In an embodiment, the diagnostic substrate further comprises a reflector surrounding a perimeter of the resonator.

公开(公告)号：US20210062954A1

公开(公告)日：2021-03-04

申请号：US17037404

申请日：2020-09-29

Applicant: Shuyong Paul Du

Inventor： Shuyong Paul Du

IPC: F16L55/48 ,  H04W4/38 ,  G01N29/12 ,  G01N23/04 ,  H04L29/08

Abstract: An inline robotic detector for inspection of pipelines includes two groups of real time sensors at both front and rear to measure pressures, temperatures, and flows. The robotic detector further includes radial displacement sensors, acoustic sensors and a digital radiographic camera or Electromagnetic Acoustic Transducer (EMAT) at the head and front, and a rechargeable power system at the rear. A GPS positioning module and communicator communicate with an intelligent gateway. Real time data is obtained and associated with the geo-position of the robotic detector received from the intelligent gateway.

公开(公告)号：US20210039324A1

公开(公告)日：2021-02-11

申请号：US17081335

申请日：2020-10-27

Applicant: EMPA EIDGENÖSSISCHE MATERIALPRÜFUNGS- UND FORSCHUNGSANSTALT

Inventor： Kilian WASMER ,  Sergey SHEVCHIK ,  Farzad VAKILI FARAHANI ,  Georgios VIOLAKIS ,  Sébastien VAUCHER

IPC: B29C64/393 ,  B22F3/105 ,  G01N29/14 ,  G01N29/12 ,  G01N29/24 ,  B29C64/153 ,  G01D5/353 ,  B33Y30/00

Abstract: Use of a sensor read out system with at least one fiber optical sensor, which is connected via at least one signal line to a processing unit as part of an additive manufacturing setup, for in situ and real time quality control of a running additive manufacturing process. Acoustic emission is measured via the at least one fiber optical sensor in form of fibers with Bragg grating, fibre interferometer or Fabry-Perot structure, followed by a signal transfer and an analysis of the measured signals in the processing unit, estimation of the sintering or melting process quality due to correlation between sintering or melting quality and measured acoustic emission signals and subsequent adaption of ion and electron beams, microwave or laser sintering or melting parameters of a ion and electron beams, microwave or laser electronics of the additive manufacturing setup in real times via a feedback loop as a result of the measured acoustic emission signals after interpretation with an algorithmic framework in the processing unit.

公开(公告)号：US10914711B2

公开(公告)日：2021-02-09

申请号：US15567071

申请日：2016-04-15

Applicant: ALMA MATER STUDIORUM-UNIVERSITA DI BOLOGNA

Inventor： Luca De Marchi ,  Nicola Testoni ,  Alessandro Marzani

IPC: G01N29/12 ,  G01N29/26 ,  G01N29/46 ,  G10K11/34 ,  G01N29/24 ,  G01S15/89 ,  G01N29/44

Abstract: The present invention relates to a method for making a device for monitoring the structural integrity of structures such as beams, plates and shells, made of isotropic, anisotropic and/or laminated material, and to such a device. The method provides to define a asymmetric directivity function D(k1,k2) that has, in the domain of wave numbers, a plurality of maxima arranged on different concentric circumferences having center in the origin of the axes. Then a load distribution in spatial coordinates f(x1,x2) is computed by inverse Fourier transform of the directivity function D(k1,k2). Then therefore the device is made with the electrodes, whose shape is obtained by gathering the values of the load distribution f(x1,x2) in the plane having for coordinates the set of real numbers and imaginary numbers, defining at least two sectors of said plane that comprise at least one real value and one imaginary value.

公开(公告)号：US20200378554A1

公开(公告)日：2020-12-03

申请号：US16426547

申请日：2019-05-30

Applicant: Caterpillar Paving Products Inc.

Inventor： Robert K. Iverson ,  Craig R. Fausch

IPC: F16N29/00 ,  E01C19/28 ,  G01N33/28 ,  G01N29/12 ,  G01N29/50 ,  G07C3/00

Abstract: A work machine includes a compactor drum, a controller, and an output device. The compactor drum includes a vibratory system, which includes at least one bearing that supports rotation of the vibratory system within the compactor drum, and lubricant received by the at least one bearing. The controller is configured to monitor at least one physical property of the vibratory system over a specified time and project a remaining useful life of the lubricant based on the at least one physical property. The output device is configured to generate an output indicative of the remaining useful life.

公开(公告)号：US10809235B2

公开(公告)日：2020-10-20

申请号：US15236666

申请日：2016-08-15

Applicant: Texas Instruments Incorporated

Inventor： Amardeep Sathyanarayana ,  David P. Magee ,  Anand G. Dabak ,  Srinath M. Ramaswamy

IPC: G01N29/34 ,  G01F1/66 ,  G01N29/30 ,  G01F25/00 ,  G01N29/50 ,  G01N29/44 ,  G01N29/12 ,  G01N29/11 ,  G01N29/36 ,  G01P5/24 ,  G01N29/024 ,  G01N29/32

Abstract: A transducer system. The system comprises a transducer and circuitry for applying an excitation waveform to excite the transducer during an excitation period. The circuitry for applying has: (i) circuitry for applying a first waveform at a first frequency; and (ii) circuitry for applying a second waveform at a second frequency differing from the first frequency.