G01R31/00

Apparatus and method for detecting cable fault based on reflectometry using AI

According to an apparatus and a method for detecting a cable abnormality based on reflectometry utilizing artificial intelligence according to the exemplary embodiment of the present disclosure, it is possible to monitor a state of the cable which connects the nodes in real time by inserting a result of the time-frequency domain reflectometry into a variational autoencoder (VAE) which is one of unsupervised learning.

Electromagnetic shielded testing chamber with ventilation

A testing apparatus for electromagnetically sensitive equipment includes a housing defining a testing chamber. The housing blocks transmission of electromagnetic waves from an external environment into the testing chamber and reduces reflection of electromagnetic waves within the testing chamber. The testing apparatus also includes a tube defining an air flow path between the testing chamber and the external environment. The tube blocks transmission of electromagnetic waves from the external environment into the air flow path. The tube includes a proximal end coupled to an opening in the housing such that the air flow path is fluidly coupled to the testing chamber via the opening, a distal end opposing the proximal end, and a bent segment extending between the proximal end and the distal end.

RELAY POGO CHARGED DEVICE MODEL TESTER USING ELECTROSTATIC DISCHARGE METHOD AND STRUCTURE FOR REPEATABLE CHARGED DEVICE MODEL TESTING

A relay pogo contact first charged device model test head apparatus for relay-based contact first field induced charged device model testing has a ground plane of conductive material, a coaxial connector whose outer conductor electrically connects to the ground plane, a current-sensing element with one terminal electrically connects to the ground plane and the other terminal electrically connects to the center conductor of the coaxial connector, a switch where the first terminal electrically connects to a center conductor of the coaxial connector, and a probe with one end electrically connected to a second terminal of the switch and the other end exposed to contact external objects.

MODULAR WIRELESS COMMUNICATION DEVICE TESTING SYSTEM

Arrangements and techniques for testing mobile devices within a test module. The test modules are portable and may be stacked to provide a modular testing system. A pulley system may be used to move an actuator arm horizontally in the X and Y directions. The actuator arm may be moved vertically in the Z direction such that a tip may engage a touchscreen of a mobile device being tested or a user interface element of the mobile device.

DEVICE, SYSTEM AND METHOD FOR DETECTING LEAKAGE CURRENT FOR TRACTION POWER SYSTEM

A method, device, and system for detecting a current leak in a traction power rail. Magnetic or electrical properties of the rail are measured. The measurements are performed using a rail instrument that senses the properties around the rail at various times while the instrument is being moved down the rail, such as using a cart or train. The rail instrument may be a flux concentrator or open Rogowski coil. The locations of the rail, about which the readings are taken by the rail instrument, may be determined and correlated with the measurements themselves. The method may comprise measuring the magnetic field of the rail along a length of the rail, and identifying a leak based on differences between the magnetic field measurements. The system may comprise a cart comprising the rail instrument and a location instrument.

Apparatus and method for measuring temperature of battery
11480474 · 2022-10-25 · ·

An apparatus and method for measuring temperature of a battery, which may effectively measure a temperature of a secondary battery. The apparatus measures a temperature of a secondary battery at an integrated circuit board configured to contact an electrode lead of the secondary battery, and includes a lead connector mounted on the integrated circuit board and configured such that the electrode lead is connected thereto, a temperature sensor mounted on the integrated circuit board and configured to receive an operation power from the secondary battery as a first terminal provided at one end thereof among a plurality of terminals included therein is in direct contact with the lead connector, and a calculating unit electrically connected to the temperature sensor and configured to measure the temperature of the secondary battery based on an electric signal measured by the temperature sensor.

Motor vehicle electric system comprising a monitoring of insulation for supplying an environment sensing system
11480599 · 2022-10-25 · ·

The present disclosure relates to a motor vehicle on-board network with a first voltage circuit for supplying electric power to an environment sensor system with a first electrical voltage, wherein an insulation monitor is provided for the first voltage circuit to monitor the insulation resistance of the first voltage circuit.

Active power blocking circuit for restraint control module
11479198 · 2022-10-25 · ·

A duplex squib module is provided. The duplex squib module may include a first squib, a second squib, a first active blocking circuit, and a second active blocking circuit: The first active blocking circuit being in series with the first squib. The first active blocking circuit having a transistor in series with a first diode to block current in a first direction. The second active blocking circuit being in series with the second squib. The second active blocking circuit having a transistor in series with a first diode to block current in a second direction opposite of the first direction.

SYSTEMS AND METHODS FOR CIRCUIT FAILURE PROTECTION

In accordance with at least one aspect of this disclosure, a controller for an aircraft electrical system includes, a software safe module. In embodiments, the software safe module can be configured to determine whether there was a sudden power failure upon controller initialization, and cause operation of the controller in a software safe mode if there was a sudden power failure such that manual intervention is required to leave the software safe mode to prevent repetitive power failure of the controller.

TEMPERATURE INDEPENDENT METHOD AND SYSTEM FOR APPLYING TTFIELDS
20230079302 · 2023-03-16 ·

A system and method for delivering TTFields are herein described. The system comprises, a first port operable to receive a lead of a first pad, a second port operable to receive a lead of a second pad, an electric field generator having circuitry operable to generate an electric signal having a frequency, a current, and a voltage, the frequency in a range of about 50 kHz to about 1 MHz, the circuitry operable to supply the electric signal to the first port and the second port, and to control the current to maintain the current within plus or minus 5% of a current threshold during a period of time in which at least one of a measured voltage and a measured impedance is below a threshold, and a power supply operable to supply power to the electric field generator.