摘要:
A vehicle communication network (200) includes a plurality of network elements (208-212) and a plurality of communication links (214-230) communicatively coupling the network elements in a point-to-point configuration. At least a portion of the plurality of communication links may be specified in accordance with a shared-access bus protocol. The plurality of communication links are arranged to communicate data packets between the network elements.
摘要:
Nodes which include additional sensing and communication capability as compared to prior nodes. The sensing capability allows determination of actual current flows through the particular nodes, including each port of the node, to allow a determination of power flow to better control operations. Because of this understanding of power flow, smaller modules or nodes can be utilized if desired. For protection of a lower power node, an upstream node can open the link to the node should it go overcurrent or otherwise fault. Further, with the additional sensing capability, actual load balancing and multiple controllable flows, such as for standby, can be developed. The additional communication in combination with the sensing also allows better fault isolation. By being able to determine the actual location of the fault, other operations in the vehicle can continue with just the faulty area being disconnected.
摘要:
A vehicle network architecture includes an interrupted shared-access bus and a switch fabric incorporated therein at the point of interruption. The switch fabric permits incorporation of a feature or device into the shared access bus architecture without modification or revisions of the shared access bus protocol or legacy devices.
摘要:
A vehicle communication network (200) includes a plurality of network elements (202-212) and a plurality of communication links (214-230) communicatively coupling the network elements in a point-to-point configuration. At least a portion of the plurality of communication links are specified in accordance with a shared-access bus protocol. The plurality of communication links are arranged to communicate data packets between the network elements, and data packets are modified for transport via the plurality of communication links.
摘要:
A vehicle communication network (200) includes a plurality of network elements (202–212) and a plurality of communication links (214–230) communicatively coupling the network elements in a point-to-point configuration. At least a portion of the plurality of communication links are specified in accordance with a shared-access bus protocol. The plurality of communication links are arranged to communicate data packets between the network elements, and data packets are modified for transport via the plurality of communication links.
摘要:
A vehicle communication network (200) includes a plurality of network elements (208-212) and a plurality of communication links (214-230) communicatively coupling the network elements in a point-to-point configuration. At least a portion of the plurality of communication links may be specified in accordance with a shared-access bus protocol. The plurality of communication links are arranged to communicate data packets between the network elements.
摘要:
A method of configuring a network within a vehicle, wherein the network includes a plurality of network elements and a plurality of communication links communicatively coupling the plurality of network elements for point-to-point communication, includes storing a last known configuration state of the network. Then, the network is monitored to determine a change in the configuration state of the network to establish a current configuration state. The current configuration state is then point-to-point propagated through the network via the communication links, and is stored at each of the plurality of network elements.
摘要:
A system and method for tunneling standard bus protocol messages through an automotive switch fabric network. When a bus protocol message arrives on a connecting node in the network, a bus driver in the node will capture the message and store it into a message buffer where the message can be further processed by a tunneling application. Each received bus protocol message will be broken, or combined, to suit the available packet size of the underlying transmit layer of the switch fabric network. Data portions such as message identification, sequence number, port number, bus data type, and data length are reserved in each data packet. If the message is being broken down, the sequence number is used to differentiate the broken segments of the bus protocol message. The bus data type is used to indicate the type of protocol data being transmitted over the switch fabric. The same tunneling application may be used to reassemble the bus protocol message at a receiving node.
摘要:
A vehicle network and method for communicating information within a vehicle. The network includes a plurality of network elements joined by communication links. A data frame is provided for communicating information between a first device and a second device attached to the network. A network element in the network is capable of mapping a first resource on an incoming communication link of the network element to a second link resource of an outgoing communication link of the network element. The network element further has ports for receiving the data frame from the first link resource of the incoming communication link and for communicating the data frame to the second link resource of the outgoing communication link. The mapping may be done statically or dynamically such as based on information stored in the network element or based on information stored in the data frame.
摘要:
Disclosed herein are embodiments of a flexible, extensible, modular approach to electrical and communication system architecture in a vehicle. In accordance with certain embodiments of the present invention, standardized, high-volume housings and components referred to as Plug-In Modules (PIMs) are used in vehicle electrical centers. By carefully designing standardized PIMs, the same PIMs can be used (in differing quantities) on any vehicle in the range of vehicles manufactured. Furthermore, the same PIMs can even be used across different vehicle manufacturers. The use of standard modules and standard housings allows for very high-volume production, thereby dramatically reducing the cost of the electrical centers. At the same time, there can be virtually zero giveaway in vehicles with lower option content. Methods of power and signal distribution using the disclosed electrical and communication system are provided. Methods of manufacturing the electrical and communication system are further provided.