22results about "Powerline communications applications" patented technology

A method and system for diagnosing and evaluating a state of battery. The system for diagnosing and evaluating a state of an electric vehicle battery includes: a charging / discharging system that provides a direct high-voltage path for simultaneous charging and discharging between a diagnosis target vehicle (EV1) and a center vehicle (EV2), and a diagnostic device that obtains vehicle data corresponding to each of the charging and discharging from the EV1 through diagnostic communication and diagnoses and evaluates a state of a battery of the EV1 based on the vehicle data. In particular, energy discharged from a battery of the EV2 is charged to the battery of the EV1 through the charging / discharging system after energy discharged from the battery of the EV1 is charged to the battery of the EV2 through the charging / discharging system.

To provide a hoist communication apparatus for a carriage of an automatic transfer system, capable of individually communicating with a motor in an inner part of a gripper and various sensors by a carriage control machine.SOLUTION: A hoist communication apparatus for a carriage contains: a master communication unit that assigns transfer frequencies which are different in each gripper device identification information, modulates them, and transfers at least one modulated control signal to a slave communication apparatus via a power supply line formed in a belt by being superposed on a power supply; and a slave communication unit that supplies the power supply provided from the master communication unit to a gripper unit that carries out a hoist operation, demodulates the modulated control signal by using the transfer frequency, transfers the demodulated control signal to the gripper device corresponding to identification information, and transfers to the master communication unit the signal applied from each gripper device after the different transfer frequency is assigned and modulated, via the power supply line formed in the belt.SELECTED DRAWING: Figure 3

Provided is an apparatus for controlling a communication signal of a photovoltaic power generation system. The apparatus includes a memory storing at least one program therein, and at least one processor configured to execute the at least one program, wherein the at least one processor is further configured to acquire data on a communication status by monitoring a plurality of devices included in the photovoltaic power generation system, derive information related to communication of each of the devices based on the acquired data, and control a communication signal of at least one of the devices based on one of the acquired data or the information related to the communication.

Various examples of the present invention relate to an apparatus and a method for removing noise from a reception signal and a transmission signal. A method for operating a sound system for removing noise from a reception signal and a transmission signal, according to an example of the present invention comprises the steps of: receiving power through a first path from another electronic device; receiving a plurality of signals including transmission signals from a plurality of microphones; generating first data by multiplexing the plurality of received signals on the basis of the received power; and transmitting, through the first path, the generated first data to the other device. In addition, other various examples are possible.

To provide a data communications network in or on a building which facilitates wired and wireless connectivity.SOLUTION: A communications network 200 for an enclosure such as a building includes wiring that conveys electrical power, and two types of communication signals. The network may facilitate control of a plurality of devices in an enclosure (e.g., facility) such as sensors, emitters, and / or tintable windows (IGU).SELECTED DRAWING: Figure 2

The invention relates to a semiconductor process logistics management system, in particular to a semiconductor process logistics management system using power line communication. The semiconductor process logistics management system according to the present invention comprises: a slave station control device for controlling an article storage device for storing articles; a power line communication line for transmitting power and communication signals to the slave station control device; and a master station control device connected to the power line communication line and communicating with the slave station control device via the power line communication line, in which the slave station control device includes an identification module capable of communicating with the identification tag of the article stored in the article storage device.

The present invention relates to a technology in which a master communication unit and a slave communication unit of an elevator device perform power line communication through a power supply line equipped on a belt, and a technology in which a carrier frequency different from each other is used to individually communicate a carrying trolley controller connected to the master communication unit side and a plurality of jig devices connected to the slave communication unit side.

To provide a cable communication system instead of an on-vehicle CAN (controller area network) / LIN (local interconnection network) bass.SOLUTION: A cable communication system comprises: an electric power line or a transmission line that is connected to a plurality of communication units; and a master communication unit. In a first time region, each of the plurality of communication units includes a dedicated transmission frequency band, and the transmission frequency band of the plurality of communication units is not overlapped with each other, and is not overlapped to the transmission frequency band of the master communication unit or a transmission time. All of the transmission frequency bands can be coupled to a complete OFDM frequency band width, and has no guard band in the transmission frequency band.SELECTED DRAWING: Figure 1

A power system according to one embodiment of the present invention may include a first power conversion device; a second power conversion device; a first communication line connecting the first power conversion device and the second power conversion device; and a second communication line connecting the first power conversion device and the second power conversion device. Here, the first power conversion device and the second power conversion device each measure a state value for a monitoring object and exchange the measured state values ​​via the first communication line, and one or more of the first power conversion device and the second power conversion device can communicate via the second communication line to synchronize the measurement time of the state value.

A data communications network within or on a building facilitates wired and wireless connectivity. The network may include wiring that carries power and two types of communication signals. The network may facilitate control of multiple devices within an enclosure (e.g., facility), such as sensors, emitters, and / or tintable windows. The present disclosure includes network power management.

A hoist communication device in a rail car of an automated material handling system in which a master communication unit and a slave communication unit perform power line communication through one power supply line provided on a belt and a rail car controller connected to the master communication unit is individually communicated with a plurality of gripper devices connected to the slave communication unit using different carrier frequencies.

A kind of electric meter positioning method based on electric meter clustering mechanism, steps are as follows: master station issues electric meter automatic clustering command message to CCO;CCO receives and transmits electric meter automatic clustering command message to all broadband carrier communication modules in subnet;Broadband carrier communication module reports first command response message to CCO;After CCO receives first command response message, the full network topology information matrix of district is established;CCO carries out clustering to electric meter based on full network topology information matrix and the phase information reported by each broadband carrier communication module when entering network;After clustering, CCO sends second command response message to master station, reports N only electric meter equipment number in this district and the clustering result of each electric meter;After master station receives second command response message, the clustering result of electric meter is saved, and the positioning of electric meter in district is completed.The electric meter positioning method of the present application does not need new hardware investment, and can improve the overall management efficiency of electric meter.

A power system according to one embodiment of the present invention includes: a first power conversion device; a second power conversion device; a first communication line connecting the first power conversion device and the second power conversion device; and a second communication line connecting the first power conversion device and the second power conversion device. The first power conversion device and the second power conversion device each measure a state value for a monitoring target and exchange the measured state values through the first communication line, and at least one of the first power conversion device or the second power conversion device is capable of performing, through the second communication line, communication for synchronizing the measurement timing of the state values.

A data communications network within or on a building facilitates wired and wireless connectivity. The network may include wiring that carries power and two types of communication signals. The network may facilitate control of multiple devices within an enclosure (e.g., facility), such as sensors, emitters, and / or tintable windows. The present disclosure includes network power management.

To provide a semiconductor process logistics management system, and more specifically, a semiconductor process logistics management system using power line communication.SOLUTION: A system includes: a slave control device configured to perform control for an item storage device in which an item is stored; a power line communication line configured to transmit power and a communication signal to the slave control device; and a master control device connected to the power line communication line and configured to communicate with the slave control device through the power line communication line. The slave control device includes an identification module capable of communicating with an identification tag of the item stored in the item storage device.SELECTED DRAWING: Figure 2

The present disclosure relates to a semiconductor process logistics management system, and more particularly to, a semiconductor process logistics management system using power line communication. The present disclosure includes a slave control device configured to perform control for an item storage device in which an item is stored, a power line communication line configured to deliver power and a communication signal to the slave control device, and a master control device connected to the power line communication line and configured to communicate with the slave control device through the power line communication line, and the slave control device includes an identification module capable of communicating with the identification tag of the item stored in the item storage device.

Provided is an apparatus for controlling a communication signal of a photovoltaic power generation system. The apparatus includes a memory storing at least one program therein, and at least one processor configured to execute the at least one program, wherein the at least one processor is further configured to acquire data on a communication status by monitoring a plurality of devices included in the photovoltaic power generation system, derive information related to communication of each of the devices based on the acquired data, and control a communication signal of at least one of the devices based on one of the acquired data or the information related to the communication.

The invention relates to a system and a method for diagnosing and evaluating the state of a battery. A system for diagnosing and evaluating the state of a battery of an electric vehicle includes: a charging / discharging system that provides a direct high-voltage path for simultaneous charging and discharging between a diagnosis target vehicle (EV1) and a center vehicle (EV2); the diagnostic device obtains vehicle data corresponding to each of charging and discharging from the EV1 through diagnostic communication, and diagnoses and evaluates a battery state of the EV1 based on the vehicle data. Specifically, after the EV2 battery is charged by the energy released from the EV1 battery through the charge / discharge system, the EV1 battery is charged by the energy released from the EV2 battery through the charge / discharge system.