초록 ▼

A control network comprises a plurality of network nodes arranged in a plurality of tiers, with first-tier nodes and lower tier nodes. A master control bus interconnects the first-tier nodes, which are also connected to a power source. Lower-tier buses interconnect groups of the lower tier nodes. Th

A control network comprises a plurality of network nodes arranged in a plurality of tiers, with first-tier nodes and lower tier nodes. A master control bus interconnects the first-tier nodes, which are also connected to a power source. Lower-tier buses interconnect groups of the lower tier nodes. The lower-tier buses include both data lines and a power source line derived from the power source, allowing the lower tier nodes to selectively distribute power to local loads. A first-tier node may be embodied as a hub controller configured to be connected to one or more of said lower-tier buses. The hub controller may comprise a plurality of internal hub nodes (including a hub master node and hub slave nodes) integrated within the same physical unit.

대표청구항 ▼

What is claimed is: 1. A hierarchical control network, comprising: a plurality of network nodes arranged in a plurality of tiers, said network nodes comprising a plurality of first-tier nodes and a plurality of lower tier nodes; a master control bus interconnecting said first-tier nodes; an input p

What is claimed is: 1. A hierarchical control network, comprising: a plurality of network nodes arranged in a plurality of tiers, said network nodes comprising a plurality of first-tier nodes and a plurality of lower tier nodes; a master control bus interconnecting said first-tier nodes; an input power line electronically coupled to said first-tier nodes, said input power line providing a power signal derived from a high voltage power source; and one or more lower-tier buses interconnecting said first-tier nodes to groups of said lower tier nodes, said lower-tier buses including both data lines and a power source line, said power source line derived from said input power line for providing high power to said lower tier nodes for local distribution; wherein each lower-tier bus interconnects one of said first-tier nodes with one or more of said lower tier nodes, at least one of said lower-tier buses interconnecting one of said first-tier nodes with more than one of said lower tier nodes; wherein data signals and high voltage are communicated over the data lines and power source line, respectively, from the first-tier node to the respective lower tier nodes with which it is connected over the first-tier node's respective lower-tier bus; and wherein said lower tier nodes selectively distribute power from the power source line to local loads. 2. The hierarchical control network of claim 1, wherein each of said first-tier network nodes constitutes a hub controller, each hub controller configured to be connected as a controller to more than one of said lower-tier buses. 3. The hierarchical control network of claim 2, wherein each hub controller comprises a plurality of internal hub nodes integrated within the same physical housing. 4. The hierarchical control network of claim 1, wherein one or more of said lower tier nodes comprises a plurality of high power switches for selectively coupling power from said power source line to the local loads. 5. The hierarchical control network of claim 1, wherein said network nodes are each housed in a rugged housing adapted for use in a vehicle, and wherein each of said lower-tier buses comprise an integrated connector cable encompassing both the data lines and the power source line. 6. The hierarchical control network of claim 5, wherein the vehicle is divided into a plurality of physical zones, and wherein each first-tier node controls one of the physical zones. 7. The hierarchical control network of claim 6, wherein each first-tier node comprises a hub controller, and said first-tier nodes are dispersed throughout the vehicle at physical locations corresponding to their respective zones. 8. The hierarchical control network of claim 1, wherein the master control bus connects the first-tier nodes in a loop configuration. 9. The hierarchical control network of claim 8, wherein the master control bus comprises redundant bus cables connecting the first-tier nodes in at least two parallel loops. 10. The hierarchical control network of claim 1, wherein each first-tier node comprises a power converter configured to convert incoming high power from said power source line to low power. 11. The hierarchical control network of claim 10, wherein each lower-tier bus comprises a low-power line and a high-power line for distributing low power and high power, respectively, from the first-tier node to the lower tier nodes. 12. The hierarchical control network of claim 1, wherein, on at least one of the lower-tier buses, a plurality of lower tier nodes are connected in a loop configuration. 13. The hierarchical control network of claim 1, wherein each lower-tier bus connects the lower-tier nodes to their respective first-tier node in a daisy-chain, whereby data and high power are provided from the first-tier node to all of its lower tier nodes via the lower-tier bust and whereby high power is provided from the lower tier nodes to the local loads connected thereto. 14. The hierarchical control network of claim 1, wherein the first-tier node communicates with lower tier nodes over their respective lower tier bus using time-division multiplexing. 15. The hierarchical control network of claim 1, wherein said lower tier nodes share an identical hardware platform. 16. The hierarchical control network of claim 1, wherein said lower tier nodes are physically interchangeable with one another. 17. The hierarchical control network of claim 1, wherein said input power line provides a power signal corresponding to a vehicle battery voltage. 18. The hierarchical control network of claim 17, wherein said vehicle battery voltage is 12 volts or 24 volts. 19. A hierarchical control network, comprising: a plurality of network nodes arranged in a plurality of tiers, said network nodes comprising a plurality of first-tier nodes and a plurality of lower tier nodes; a master control bus interconnecting said first-tier nodes; a power source electronically coupled to said first-tier nodes; and one or more lower-tier buses interconnecting groups of said lower tier nodes, said lower-tier buses including both data lines and a power source line, said power source line derived from said power source; wherein said lower tier nodes selectively distribute power from the power source line to local loads; wherein each of said first-tier network nodes is a hub controller, each hub controller capable of being connected to one or more of said lower-tier buses; wherein each hub controller comprises a plurality of internal hub nodes integrated within the same physical unit; and wherein said plurality of internal hub nodes comprises a hub master node adapted to interface with other first tier nodes over the master control bus, and one or more hub slave nodes adapted to interface with lower tier nodes using one of the lower-tier buses. 20. A vehicle control network, comprising: a plurality of hub controllers, each hub controller comprising a plurality of internal hub nodes integrated within the same physical housing and a plurality of output ports, each internal hub node having an output port configured to connect to a lower-tier bus; a master control bus interconnecting said hub controllers; a high-power source electronically coupled to said hub controllers; a plurality of lower-tier network nodes; and a plurality of lower-tier integrated power/data buses connected to said hub controllers, each of said lower-tier integrated power/data buses connecting one or more of the lower-tier network nodes to one of the output ports of a hub controller, said lower-tier integrated power/data buses each including both data lines and a high power line encapsulated in a single cable, said high power line derived from said high-power source; whereby said lower-tier network nodes receive both high power and data from their respective hub node connected thereto; and whereby said lower tier network nodes selectively distribute power to local loads in physical proximity therewith. 21. The vehicle control network of claim 20, wherein said lower-tier network nodes are each housed in a rugged housing adapted for use in a vehicle. 22. The vehicle control network of claim 20, wherein the vehicle is divided into a plurality of physical zones, and wherein each hub controller controls one of the physical zones. 23. The vehicle control network of claim 20, wherein the master control bus connects the hub controllers in a loop configuration. 24. The vehicle control network of claim 20, wherein each hub controller node comprises a power converter configured to convert incoming high power from said power source to low power. 25. The vehicle control network of claim 23, wherein each lower-tier bus further comprises a low-power line for distributing low power from the hub controller to the lower tier network nodes. 26. The vehicle control network of claim 20, wherein each lower-tier bus connects the lower-tier network nodes to their respective hub controller in a daisy-chain, whereby data and high power are provided from the hub controller to all of the lower tier nodes on the lower-tier bus. 27. The vehicle control network of claim 20, said lower tier nodes share an identical hardware platform. 28. The vehicle control network of claim 20, wherein said high-power source comprises a vehicle battery and associated power system. 29. The vehicle control network of claim 28, wherein said high-power source is 12 volts or 24 volts. 30. A vehicle control network, comprising: a plurality of hub controllers, each hub controller comprising a plurality of internal hub nodes integrated within the same physical housing and a plurality of output ports, each internal hub node having an output port configured to connect to a lower-tier bus; a master control bus interconnecting said hub controllers; a high-power source electronically coupled to said hub controllers; a plurality of lower-tier network nodes; and a plurality of lower-tier integrated power/data buses connected to said hub controllers, each of said lower-tier integrated power/data buses connecting one or more of the lower-tier network nodes to one of the output ports of a hub controller, said lower-tier integrated power/data buses each including both data lines and a high power line encapsulated in a single cable, said high power line derived from said high-power source; whereby said lower-tier network nodes receive both high power and data from their respective hub node connected thereto; whereby said lower tier network nodes selectively distribute power to local loads in physical proximity therewith; and wherein said plurality of internal hub nodes within a hub controller comprises a hub master node configured to interface with other hub controllers over the master control bus, and one or more hub slave nodes adapted to interface with lower tier network nodes using one of the lower-tier buses. 31. A method for hierarchical control network, comprising: arranging a plurality of network nodes in a plurality of tiers, said network nodes comprising a plurality of first-tier nodes and a plurality of lower tier nodes; connecting a master control bus to said first-tier nodes; coupling an input power line to said first-tier nodes, said input power line providing a power signal derived from a high voltage power source; connecting said first-tier nodes into groups of said lower tier nodes with a plurality of lower-tier data buses, each lower-tier bus interconnecting one of said first-tier nodes with one or more of said lower tier nodes, at least one of said lower-tier buses interconnecting one of said first-tier nodes with more than one of said lower tier nodes, wherein said lower-tier buses include (i) one or more data lines and (ii) a high power signal line derived from said input power line for providing high power to said lower tier nodes for local distribution; communicating data signals and high voltage over the data lines and high power signal line, respectively, from the first-tier node to its respective lower tier nodes over the first-tier node's respective lower-tier bus; and selectively distributing power from the high power signal line to local loads at one or more of the respective lower tier nodes. 32. The method of claim 31, wherein each of said first-tier network nodes constitutes a hub controller, each hub controller configured to be connected as a controller to more than one of said lower-tier buses. 33. The method of claim 32, further comprising, for each hub controller, integrating a plurality of internal hub nodes within the same physical housing. 34. The method of claim 33, wherein said plurality of internal hub nodes comprises a hub master node adapted to interface with other first tier nodes over the master control bus, and one or more hub slave nodes adapted to interface with lower tier nodes using one of the lower-tier buses. 35. The method of claim 31, further comprising selectively coupling power from said high power signal line to the local loads using high power switches residing on at least one of the lower tier nodes. 36. The method of claim 31, wherein said network nodes are each housed in a rugged housing adapted for use in a vehicle, and wherein each of said lower-tier buses comprises an integrated connector cable encompassing both the data lines and the high power signal line for distributing high power to said lower tier nodes for local distribution. 37. The method of claim 36, further comprising dividing the vehicle into a plurality of physical zones, each first-tier node controlling one of the physical zones; and dispersing said first-tier nodes are dispersed throughout the vehicle at physical locations corresponding to their respective zones; wherein each first-tier node comprises a hub controller. 38. The method of claim 31, wherein the master control bus connects the first-tier nodes in a loop configuration. 39. The method of claim 31, wherein each lower-tier bus comprises a low-power line and a high-power line for distributing low power and high power, respectively, from the first-tier node to the lower tier nodes. 40. The method of claim 31, wherein, on at least one of the lower-tier buses, a plurality of lower tier nodes are connected in a loop configuration. 41. The method of claim 31, wherein each lower-tier bus connects the lower-tier nodes to their respective first-tier node in a daisy-chain, whereby data and high power are provided from the first-tier node to all of its lower tier nodes via the lower-tier bus, and whereby high power is provided from the lower tier nodes to the local loads connected thereto. 42. A method for controlling a vehicle and distributing power over a control network, comprising: for each of a plurality of hub controllers, integrating a plurality of internal hub nodes within the same physical housing, each internal hub node having an output port configured to connect to a lower-tier bus; interconnecting said hub controllers with a master control bus; electronically coupling a high-power source to said hub controllers, said high-power source derived from a vehicle battery; at each of said hub controllers, providing a high-power output signal derived from said high-power source; connecting a plurality of lower-tier integrated power/data buses to said hub controllers, each of said lower-tier integrated power/data buses connecting one of the output ports of the hub controller to one or more lower-tier network nodes, said lower-tier integrated power/data buses each including both data lines and a high power line encapsulated in a single cable, said high power line carrying said high-power output signal, whereby said lower-tier network nodes receive both high power and data from their respective hub node connected thereto; and selectively distributing high power from said lower tier network nodes to local loads in the vehicle. 43. The method of claim 42, wherein said plurality of internal hub nodes within a hub controller comprises a hub master node configured to interface with other hub controllers over the master control bus, and one or more hub slave nodes adapted to interface with lower tier network nodes using one of the lower-tier buses. 44. The method of claim 42, wherein the master control bus connects the hub controllers in a loop configuration. 45. The method of claim 42, wherein each lower-tier bus further comprises a low-power line for distributing low power from the hub controller to the lower tier network nodes. 46. The method of claim 42, wherein each lower-tier bus connects the lower-tier network nodes to their respective hub controller in a daisy-chain, whereby data and high power are provided from the hub controller to all of the lower tier nodes on the lower-tier bus. 47. The method of claim 42, wherein said high-power source is 12 volts or 24 volts.