11 results about "Dual bus" patented technology

This invention discloses a communication gateway, data communication method, and vehicle control chip for inter-core collaboration, belonging to the field of vehicle diagnostic technology. The communication gateway is integrated into the diagnostic processing core. The diagnostic processing core and the bus communication core collaborate through the communication gateway. The communication gateway includes: an inter-core transparent transmission interface connected to the bus communication core, used to acquire the DoCAN data packet carrying the diagnostic request transmitted by the bus communication core when the CAN diagnostic instrument sends a diagnostic request via the CAN bus; and a first reassembly unit connected to the inter-core transparent transmission interface, used to parse the DoCAN data packet and reassemble it into a DoIP data packet; the reassembled DoIP data packet is sent to the diagnostic processing core for diagnostic processing. The beneficial effects of the above technical solution are: reliable transparent transmission of diagnostic data between dual cores in a multi-core heterogeneous SoC chip architecture, support for seamless conversion between dual bus protocols, and meeting the access requirements of diagnostic services under multiple protocols.

This invention discloses a redundant architecture method for a UAV flight control system, relating to the field of UAV control technology. It includes redundant design for four layers: flight sensor system, redundant flight control computer system, bus communication system, and actuator system. The bus communication system employs a three-bus redundant architecture consisting of a 1553B dual-bus, FlexRay bus, and CAN bus. The redundant flight control computer system features automatic switching between three modes: triple-mode redundancy, dual-mode redundancy, and single-mode redundancy, and possesses online fault channel repair and reconnection capabilities. The actuator system includes aerodynamic control surface segment redundancy, servo electrical dual-path redundancy, and dual-path access redundancy via the CAN bus main path and RS422 backup path. This invention, using the aforementioned redundant architecture method for a UAV flight control system, achieves long-endurance, highly reliable flight control with no awareness of single faults, return capability in the event of dual faults, and no degradation due to bus faults.

The application relates to the technical field of bus diagnosis, and discloses an ESPI and LPC bus diagnosis method and device. The method is as follows: the STRAP pin level of a master control chip is configured through a jump cap short circuit state, so that the master control chip enters an LPC bus working mode or an ESPI bus working mode; a target mainboard is connected; an I / O write operation initiated by the target mainboard in a POST self-checking stage is listened to; when a frame start signal is detected, a start field of a bus frame is analyzed and determined as an I / O write operation type; an address field in the bus frame of the I / O write operation type is analyzed and matched with a target listening address; when the address is matched successfully, a POST Code diagnosis code is acquired from the bus frame. The application realizes a dynamic switching mechanism of the LPC and ESPI double bus protocols through hardware jump cap configuration of the STRAP pin, solves the technical problem that a diagnosis card only supports a single bus protocol in the prior art, and enables a single diagnosis card device to be compatible with all X86 platform mainboards.

The present application relates to the technical field of data processing, in particular to a medical community business interconnection method and system based on platform and data double bus, through the double mode of timing and real-time collection and standardization of each institution heterogeneous business data, a unified data resource center is constructed; a double bus architecture of platform service bus and data exchange bus cooperation is established, respectively realizing intelligent scheduling of business service and reliable transmission of data; the core business capability is packaged as a standardized reusable service, and the business request is dynamically distributed through the intelligent routing mechanism; through the unified interface layer, the protocol and semantic double adaptive access with external systems are realized; finally, through full link monitoring and multi-modal intelligent diagnosis, abnormal early warning and root cause positioning are realized. The problems such as low data flow efficiency, slow business response, lack of unified scheduling and intelligent routing mechanism in the existing medical community system are solved, and the overall operation efficiency and service capability of the medical community are improved.

This invention discloses a heterogeneous computing platform for underwater acoustic signal processing, belonging to the field of sensor architecture technology. The platform includes a VPX-standard-based chassis, backplane, and various functional boards plugged into it, including power boards, CPU boards, cache boards, switching boards, and three types of heterogeneous computing boards (A, B, and C). The platform adopts a dual-bus switching architecture of Ethernet and SRIO, and integrates a message middleware compliant with the DDSI-RTPS standard to realize data publishing and subscription between heterogeneous boards, shielding underlying hardware differences. Each board integrates a domestically produced chassis management and monitoring chip, supports the IPMI 2.0 standard, and has hot-swappable, remote monitoring, and dynamic reconfiguration capabilities. This invention achieves intelligent allocation and efficient utilization of computing resources, improves the modularity, intelligent algorithm compatibility, and system scalability of the underwater acoustic signal processing platform, and is suitable for various underwater acoustic detection and intelligent processing tasks.

This invention discloses a power regulator and its load circuit current abnormal fluctuation handling method in the field of circuit power regulation technology. It includes a built-in auxiliary heating PECVD reaction chamber and a dual-bus redundant power regulator. The built-in auxiliary heating PECVD reaction chamber includes a sealed water-cooled flange, an internal thermocouple, a support component, a graphite boat, an external thermocouple, a quartz tube, a resistance heating wire, an insulation layer, a support flange, an air inlet flange, and an auxiliary heating device. It implements RS485-based Modbus communication protocol and TCP / IP-based Modbus communication protocol through two communication ports, achieving redundancy of communication ports, as shown in Figure 3. Simultaneously, a shared memory mechanism is adopted to compare the communication data based on RS485 and TCP / IP, and then map it to shared memory, ensuring the reliability of the communication data.

The application provides a bidirectional Super buck-boost double bus power conversion circuit based on phase shift control, one end of a current collection circuit Rsense1 is connected with a high-voltage bus, the other end is connected with one end of an inductor L4, the other end of the inductor L4 is connected with the drain of a switch MOS tube Q1; one end of a current collection circuit Rsense2 is connected with a low-voltage bus, the other end is connected with the source of the switch MOS tube Q1 and the drain of a switch MOS tube Q2. The application has the advantages that energy can be bidirectionally supplied between different voltage buses of a space power supply, energy redundant resources are effectively utilized; the energy sharing of the high-voltage bus and the low-voltage bus in a "mobile phone direct connection satellite energy system" can be effectively solved, the redundant cost of the conversion circuit is reduced; meanwhile, the excess energy can be autonomously transmitted from one bus to another bus with insufficient energy; the current is continuous during the energy transmission process, which can effectively reduce the disturbance to the bus; and multiple buses can be connected in parallel for expansion.

The application discloses a narrow-body folding building construction robot and a dynamic balance control method thereof. The robot adopts a layered body layout, and a battery pack is arranged at the bottom layer of the body. Four sets of supporting feet and two sets of working arms can be folded and collected, and the width of the folded and collected robot is 580-620 mm, so that the robot can be adapted to a standard entrance door. An AI control system adopts a distributed multi-rate control architecture of a cloud brain and a local cerebellum, and integrates functions of automatic walking and autonomous positioning, force-position hybrid control and construction quality closed loop, independent hardware safety protection and the like. The dynamic balance control method is executed by the local cerebellum, compensation instructions are issued to joint servo drivers through EtherCAT double buses at a communication period of 1 ms-2 ms, working disturbance is actively offset, and the body stability in dynamic working is maintained. The whole machine adopts a lightweight design, and after being connected to the ground through an extended pad, the whole machine meets the floor bearing requirement.

This invention relates to the field of power engineering technology and discloses an offshore wind power DC transmission system and its operation method and apparatus. The system includes an offshore station, an onshore station, and a DC submarine cable. The offshore station has two independent AC buses: a first AC bus and a second AC bus. The offshore station also includes a first converter branch, a second converter branch, and a first MMC converter valve. The onshore station has a second MMC converter valve, which is connected to the first and second converter branches via the DC submarine cable. This invention designs two independent AC buses connected to the wind farm group respectively, with the two converter branches sharing the first MMC converter valve and serving as backups for each other. The dual buses reduce electrical coupling between wind farms; in the event of a fault, only the wind farm connected to a single bus is affected, and the short-circuit current is reduced due to weakened impedance coupling. The shared core equipment between the two converter branches reduces hardware costs, and the backup design prevents system outages caused by single-branch faults.

The application provides a bus communication system and method based on a compound wing unmanned aerial vehicle power system, which comprises a bus repeater, a standard bus interface module, a double bus communication protocol module and a bus topology structure module; the bus repeater comprises a data transceiving module, a data processing module and a data storage module; the data transceiving module comprises a non-isolation unit and an isolation unit; the non-isolation unit is connected with a flight control navigation system; the isolation unit is connected with the standard bus interface module; the double bus communication protocol module comprises a bus competition processing protocol unit, a data analysis and distribution protocol unit and a fault processing protocol unit; the bus topology structure module adopts a tree topology and comprises a main bus and a plurality of branch buses; and the application can realize safe and efficient transmission of data between the power system and the flight control navigation system, improve the anti-interference ability, expandability and fault tolerance of the system.

This application provides a device control method, device, and system, including: detecting that a second device is connected to the physical interface; when communication with the second device is successfully established using a dual-bus communication method of the first charging protocol, and when communication with the second device is successfully established using a single-bus communication method of the second charging protocol, stopping communication with the second device using the second charging protocol, executing a charging scheme according to the first charging protocol, and switching the communication method of the first charging protocol from dual-bus communication to single-bus communication; and communicating with the second device using the dual-bus communication method of the first communication protocol. This application enables communication of information other than charging information during the charging process between devices using the charging protocol, improving the user experience.