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Fault Detection

Fault Detection-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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NEW Diverse integrated processing using processors and diverse firmware
Infineon Technologies Ag
January 18, 2018 - N°20180018208

Fault detection devices, systems and methods are provided which implement identical processors. A first processor is configured to receive a first measurement, execute a first firmware based on the first measurement, and output a first result of the executed first firmware. A second processor, identical to the first processor, is configured to receive a second measurement, execute a second firmware ...
NEW Method and apparatus for an electrical fault detecting system for a circuit
Ge Aviation Systems, Llc
January 18, 2018 - N°20180017611

An electrical fault detecting system (10) for a circuit includes a conductor (20) delivering an electrical signal from a source (12) to a destination (14), a sheath (22) encircling the conductor, and a fault detection circuit (18). The sheath further includes an electrical insulator layer (24) and a conductive shield (26) encircling the conductor. The fault detection circuit is configured to detect a change in the electrical characteristics ...
NEW Sensor fault detection method
January 18, 2018 - N°20180016935

D. Identifying a failed sensor (a, b, c) where two or more sensor pairs (a;b, a;c, b;c) comprising a common sensor (a, b, c) have a further difference above a predetermined threshold.
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Fault Detection Patent Applications
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  • 172+ full patent PDF documents of Fault Detection-related inventions.
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Method for fault detection of an electrical circuit, and an electrical circuit
Endress+hauser Conducta Gmbh+co. Kg
January 04, 2018 - N°20180003766

The present disclosure relates to a method and a corresponding circuit for the fault detection of an electrical circuit, wherein the electrical circuit includes a first inductive interface, at least a first branch, and a second branch, wherein the first and the second branches are connected in parallel, wherein the first branch includes two parallel and counter-currently-connected diodes, and wherein ...
Method and apparatus for detecting ground faults in inverter outputs on a shared dc bus
Rockwell Automation Technologies, Inc.
December 28, 2017 - N°20170373630

A system to detect a ground fault at the output of an inverter section prior to powering up a motor drive system is disclosed. A low voltage power supply is connected to the dc bus prior to connecting the input power source to the rectifier section. If a ground fault exists, the voltage potential on the dc bus causes conduction ...
Methods and systems for detecting, classifying and/or mitigating sensor error
Rolls-royce Plc
December 28, 2017 - N°20170370985

Methods and systems automatically detect, classify and/or mitigate sensor errors using partial qualitative and quantitative knowledge of the subsystems. In various examples, sensor fault detection is performed with a custom designed representation scheme covering causality, correlation, system of equality and inequalities, and an associated logic. The logic is described by a set of algorithmic steps to iteratively assign trustworthiness ...
Fault Detection Patent Pack
Download 172+ patent application PDFs
Fault Detection Patent Applications
Download 172+ Fault Detection-related PDFs
For professional research & prior art discovery
inventor
  • 172+ full patent PDF documents of Fault Detection-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Methods and systems for providing battery feedback to patient
Tc1 Llc
December 21, 2017 - N°20170365154

A method for outputting a combined power source alarm for an implantable blood pump includes determining a status for each of first and second power sources of the blood pump. A combined power source alarm based on the statuses of the first and second power sources is outputted. A method for generating an alarm based on fault detections in a ...
Method and apparatus for performing motor-fault detection via convolutional neural networks
Qatar University
December 21, 2017 - N°20170364800

A method and apparatus may include receiving a signal from a motor. The signal is received while the motor is operating. The method also includes performing a pre-processing of the signal. The method also includes inputting the signal to a 1d convolutional neural network. The method also includes detecting a fault of the motor based on the output of the ...
Fault processing method, system, and computer program product
Emc Ip Holding Company Llc
December 21, 2017 - N°20170364404

Various embodiments of the present disclosure generally relate to a fault processing method, system and computer program product. Specifically, the method may comprise determining a plurality of devices to be detected and corresponding device attributes. The method may also comprise performing a first fault detection for the plurality of devices based on the device attributes, the first fault detection being ...
Fault detection apparatus
Hitachi Automotive Systems, Ltd.
December 21, 2017 - N°20170363481

An object of the present invention is to enhance fault detection accuracy offered by a fault detection apparatus. A microcomputer reads a characteristic signal input thereto. The microcomputer compares a characteristic read from the characteristic signal with a previously established reference value. The previously established reference value represents a characteristic exhibited by a resistor that is connected with a temperature ...
Phase selection for traveling wave fault detection systems
Schweitzer Engineering Laboratories, Inc.
December 14, 2017 - N°20170356965

Phase selection for traveling wave fault detection systems is disclosed herein. Intelligent electronic devices (ieds) may be used to monitor and protect electric power delivery systems by detecting and acting upon traveling waves. A phase of the electric power delivery system may be selected based on the relative polarity of the traveling waves detected. The amplitude and/or polarity of ...
Enhanced system and method for conducting pca analysis on data signals
Mcmaster University
December 14, 2017 - N°20170356936

Systems and methods relating to fault detection and diagnosis. Signals received from sensors are first filtered to remove noise and are then analyzed using wavelet packet transform (wpt) based pca. The results of the pca analysis are then automatically classified to thereby quickly and easily determine what issues there may be in a finished product or in a machine being ...
Manual and automated non-destructive testing for short-circuit and ground fault conditions in branch motor circuits
December 07, 2017 - N°20170350942

A test circuit performs fault detection tests on a motor branch circuit, to detect pre-existing faults before a motor start-up to pre-empt potential damage to the motor branch circuit therefrom. The test circuit is configured to be coupled to the phase lines of a motor branch circuit at a set of test points strategically located on the phase lines. The ...
Fault Detection Patent Pack
Download 172+ patent application PDFs
Fault Detection Patent Applications
Download 172+ Fault Detection-related PDFs
For professional research & prior art discovery
inventor
  • 172+ full patent PDF documents of Fault Detection-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Multiple parameter fault detection in electrosurgical instrument shields
Encision Inc.
December 07, 2017 - N°20170348041

A system and method for detecting faults within a shielded electrosurgical instrument are disclosed. The method includes sensing at least two of: an active voltage in the active electrode; a current in the active or return electrodes; or power in the electrosurgical instrument shield. The method also includes determining whether a power fault exists, wherein determining whether a power fault ...
Arc fault detection unit
Siemens Aktiengesellschaft
November 30, 2017 - N°20170346272

An arc fault detection unit is disclosed for a low-voltage electrical circuit. The arc fault detection unit includes at least one voltage sensor, for periodically determining electrical voltage values of the electrical circuit, connected to an evaluation unit. The evaluation unit is designed such that a first half of a first number of voltage values is continuously summed to form ...
Microprocessor fault detection and response system
Virginia Polytechnic Institute And State University
November 30, 2017 - N°20170344438

Aspects disclosed in the detailed description include a microprocessor fault detection and response system. The microprocessor fault detection and response system utilizes a hardware-based fault-attack aware microprocessor extension (fame) and a software-based trap handler for detecting and responding to a fault injection on a microprocessor. Upon detecting the fault injection, the hardware fame switches the microprocessor from a normal mode ...
Arc fault detection unit
Siemens Ag
November 30, 2017 - N°20170343598

An arc fault detection unit for an electrical low-voltage circuit, includes at least one voltage sensor assigned to the circuit, for periodically determining electrical voltage values of the circuit, and at least one current sensor assigned to the circuit, for periodically determining electrical current magnitudes of the circuit, both of which are connected to an evaluation unit. The sensors being ...
Arc fault detection unit
Siemens Aktiengesellschaft
November 30, 2017 - N°20170343597

An embodiment relates to an arc fault detection unit for an electrical low-voltage circuit including, connected to an evaluation unit, a voltage sensor assigned to the circuit, for periodically determining electrical voltage values of the circuit; and a current sensor assigned to the circuit, for periodically determining electrical current values. They are embodied such that pairs of a voltage and ...
Apparatus and methods to measure economizer outdoor air fractions and fault detection diagnostics of airflow, ...
November 30, 2017 - N°20170343227

An apparatus and method for measuring or controlling the outdoor air fraction (oaf) ratio through economizer or outdoor air dampers and cabinet to total system airflow and mixed-air humidity ratio and wetbulb temperature for hvac equipment. An oaf exceeding the minimum regulatory requirements wastes energy and contributes to global warming. Oaf is used to optimize economizer damper position either manually ...
Electric power converting device
Hitachi Automotive Systems ,ltd.
November 23, 2017 - N°20170338733

The objective of the present invention is to provide an electric power converting device with which can executes a ground fault detection in a short time with its inexpensive configuration. In one step, the electric power converting device performs level comparison of a difference between output values of low pass filters, with a threshold value −e. If a w-phase ...
Circuit protection device with self fault detection function
Jiaxing Shouxin Electrical Technology Co., Ltd.
November 23, 2017 - N°20170338643

The invention discloses a circuit protection device with self fault detection function. The ground fault protection unit comprises a ground fault detection circuit, an ac power supply path and an electromagnetic drive circuit. The self fault detection unit comprises an automatic detection circuit and a control circuit. The control circuit starts periodically a self fault detection process, controls the automatic ...
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