H04L12/40078

METHOD AND SYSTEM FOR VIRTUALIZING A PLURALITY OF CONTROLLER AREA NETWORK BUS UNITS COMMUNICATIVELY CONNECTED TO AN AIRCRAFT
20220321378 · 2022-10-06 · ·

A system for virtualizing a plurality of controller area network bus units communicatively connected to an aircraft, the system comprising a plurality of physical controller area network bus units, each is configured to detect a measured state datum of a plurality of measured state data of the aircraft; and transmit the plurality of measured state data to at least a network switch, the at least a network switch configured to receive the plurality of measured state data from the plurality of physical controller area network bus units, generate a single transmission signal as a function of the plurality of measured state data, and transmit the single transmission signal to a computing device, and the computing device configured to receive the transmission signal originating from the at least a network switch, and bridge each virtual controller area network bus unit of the plurality of virtual controller area network bus units.

METHOD FOR IMPLEMENTING A REAL-TIME INDUSTRIAL INTERNET FIELD BROADBAND BUS
20170373872 · 2017-12-28 ·

The invention discloses a method for implementing a real-time industrial internet field broadband bus, the method including: determining, by a bus controller, the number of bus terminals connected therewith; and allocating, by the bus controller, time slices for the bus terminals according to the number of bus terminals, and transmitting, by the bus controller, the time slices to the bus terminals so that the bus terminals operate in the allocated time slices. Moreover data are transmitted in the bus system by removing Ethernet/IP message header information to thereby reduce the length of the message, and shorten a transmission delay and a bus scan periodicity so as to improve the real-time characteristic of the bus system.

APPARATUS FOR A CONTROLLER AREA NETWORK

An apparatus for a controller area network, CAN, node, the node comprising a CAN controller and a CAN transceiver that is configured to couple to a CAN bus, the apparatus comprising a CAN protocol decoder and circuitry, the apparatus configured to: receive an RX-bitstream generated by the CAN transceiver for the CAN controller; receive a TX-bitstream generated by the CAN controller for receipt by the CAN transceiver;wherein the CAN protocol decoder is configured to receive a bitstream based on the TX-bitstream for decoding CAN frames therein for monitoring of the CAN controller; and wherein the circuitry is configured to: detect an idle state; based on the detection of the idle state, modify the bitstream received by the CAN protocol decoder such that it includes a Start-of-Frame bit further based on detection of a Start-of-frame bit in the RX-bitstream.

Shading and Lighting Control Using a Control Network
20170356243 · 2017-12-14 ·

A control system is disclosed that includes a room controller transmitting signals to both a shade control network and a light control network, directing that motorized roller shades and dimmable lights be set to desired intensity levels. The control system further includes an intelligent hub that provides a trickle-charge re-charge current via power-over-Ethernet cables to batteries associated with each of the motorized roller shades for re-charging the batteries, thereby eliminating power supplies being installed within walls. The intelligent hub provides for communication with the room controller based on streaming protocol and with the shade control network based on event-based protocol. A computer running user-interface software can be connected to the system to facilitate programming.

Detecting anomalies on a controller area network bus

A process detects anomalies on a controller area network (CAN) bus. An arbitration field in a message on the CAN bus is analyzed, and a data field in the message on the CAN bus is inspected. The process further monitors a frequency of message identifiers that are transmitted across the CAN bus, and determines that an overall bus load crosses a threshold. The process then transmits an alert when the analyzing the arbitration field, the inspecting the data field, the monitoring the frequency, and the determining the overall bus load indicate that an anomaly has occurred on the CAN bus.

Network node with diagnostic signalling mode

A network node for coupling to a communication bus, the node comprising: a receiver configured to receive messages from the communication bus; and a transmitter configured to transmit first messages having a first message format and configured to transmit diagnosis messages having a second message format on the communication bus for use in determination of communication errors, wherein said transmitter is configured to send said one or more diagnosis messages having one or more of: (i) a predetermined pattern of symbols; (ii) a predetermined sending schedule; (iii) a predetermined line encoding method; (iv) a predetermined bit rate; (v) a predetermined position in one or more of the first messages; (vi) a predetermined signalling frequency that is out of a frequency band used for transmission of the first messages; and (vii) a predetermined signal strength different from the signal strength used to send the first messages.

Automotive embedded system timekeeping

The present disclosure is directed to systems and methods directed to improving the functions of a vehicle. Systems and methods are provided that provide a custom tool that autogenerates a set of software agents that allows a system to separate processing, transmission and receiving of messages to achieve better synchronization. The disclosure herein also provides a simplified method of key provisioning by designating one client as a server and assigning a symmetric key to every other client permanently provisioned between that client and the server. Systems and method are further provided that predict faults in a vehicle. Systems and methods are also provided that preserve data in the event of a system crash. Systems and methods are also provided in which an operating system of a vehicle detects the presence of a new peripheral and pulls the related interface file for that new peripheral. Further, a data synchronization solution is provided herein which provides optimized levels of synchronization.

PIN-CONFIGURABLE INTERNAL BUS TERMINATION SYSTEM

A pin-configurable bus termination system may includes a bus connector attached to an end of a bus. The bus connector may be configured for electrically connecting the bus to an input connector of a node. The node may include a bus termination resistance. The bus connector may include a first bus output pin, a second bus output pin and configurable first and second termination resistor pins. The configurable first and second termination resistor pins may be configurable to provide a first termination configuration and a second termination configuration. The first termination configuration may electrically interconnect the first and second bus output pins arid the configurable first and second termination resistor pins to electrically connect the bus termination resistance for terminating the bus. The second termination configuration may include an open electrical circuit between the first and second bus output pins and the configurable first and second termination resistor pins.

Master device of process field bus decentralized periphery
09736020 · 2017-08-15 · ·

The master device of Profibus DP according to the present disclosure automatically configures network by performing a communication with a plurality of slave devices connected through Profibus, the device including a Profibus communication module configured to perform a communication with a plurality of slave devices, an imaginary network configuration information storage configured to be stored in advance with imaginary network configuration information, a network configuration information storage configured to be stored with network configuration information, and a Profibus master state machine configured to obtain network configuration information by performing a communication with the plurality of slave devices in response to the imaginary network configuration information stored in the imaginary network configuration information storage, to store the obtained network configuration information in the network configuration information storage, and to perform a communication with the plurality of slave devices in response to the stored network configuration information.

Programmable plug
11206154 · 2021-12-21 · ·

A gateway device for controlling an air-conditioning device of a vehicle, a vehicle having such a gateway device and a method for starting up an air-conditioning device in a vehicle. The gateway device includes at least one plug-in contact for connecting the gateway device to an air-conditioning device and/or to a vehicle component, a reception unit for receiving configuration data for selecting a plug configuration of the gateway device, a configuration circuit associated with the plug-in contact, that is designed to take configuration data as a basis for changing between at least one first switching state of the plug-in contact, in which the plug-in contact is designed to perform a first function, and at least one second switching state of the plug-in contact, in which the plug-in contact is designed to perform a second function.