44 results about "Controller architecture" patented technology

The invention provides a distributed formation control method driven by a recursive balance network under a communication attack, and relates to the technical field of cooperative control of a multi-agent system, and the method comprises the steps: constructing a distributed multi-agent system model, and constructing an RBN controller heterogeneous communication network architecture and a DoS attack model; the RBN controller design is optimized, the distributed RBN controller architecture is realized, the stability of the RBN controller is analyzed based on the shrinkage mapping theory, and the exponential convergence of the system state difference is proved by constructing a Lyapunov function; training the optimized RBN controller by adopting a difficulty priority confrontation training strategy, designing a multi-objective loss function, and dynamically adjusting the training weight of each difficulty level; and simulating the distributed multi-agent system optimized by the above steps, testing the robustness of the distributed multi-agent system under incremental DoS attack intensity, and performing comparative analysis of heterogeneous and isomorphic communication network configuration and comprehensive performance comparison of an RBN controller and a traditional MPC method.

A chiplet hub for interconnecting a series of connected chiplets and internal resources. An HBM is mounted on top of the chiplet hub to provide multiple party access to the HBM and to save System in Package (SIP) area. The chiplet hub can form system instances to combine connected chiplets and internal resources, with the system instances being isolated. One type of system instance is a private memory system instance with private memory gathered from multiple different memory devices. The chiplet hubs can be interconnected to form a clustered chiplet hub to provide for a larger number of chiplet connections and more complex system. A DMA controller can receive DMA service requests from devices other than a system hosted, including in cases where the chiplet hub is non-hosted.

The invention discloses a failover method and device, electronic equipment and a storage medium, and relates to the technical field of distributed storage, and the failover method comprises the following steps: determining a first disk resource group corresponding to a first storage node and a second disk resource group corresponding to a second storage node; and establishing a double-control relationship between the first disk resource group and the second disk resource group. And after the establishment of the double-control relationship is completed, carrying out fault switching on different disk resource groups under the double-control relationship based on the first mechanism and the second mechanism. The technical problem that in a distributed storage system, efficient and safe disk resource management and data access control of a fault controller cannot be effectively achieved under a double-controller architecture is solved, and the technical effects of improving rapidness, smoothness and automatic back-switching of fault switching and remarkably improving the high availability of the distributed storage system are achieved.

This application discloses a serial port switching method and electronic device, relating to the field of server management technology, and applied to a server device with a multi-management controller architecture. The server device includes a master node and multiple child nodes. The method includes: addressing the cumbersome operation of accessing faulty serial ports in a multi-management controller architecture server, by supporting the pre-setting of valid target identifier parameters through parameter configuration commands, prioritizing the reading of this parameter and directly locating the corresponding target serial port when a console access command is received, and automatically determining the target serial port based on the status record sequence if no valid target identifier parameter is read, and finally automatically completing the switching of the serial port connection link so that external access can access the target serial port through the master node, without the need for manual switching of physical links or complex command line configuration and troubleshooting; solving the technical problem of cumbersome operation of accessing faulty serial ports in related technologies, and achieving the technical effect of simplifying the operation of accessing faulty serial ports.

The invention provides an active suspension system, a control method and a storage medium, the active suspension system is provided with an edge computing controller, the edge computing controller comprises a master controller, a slave controller, a monitoring unit and an instruction switching unit, and the master controller and the slave controller are heterogeneous on the hardware level, so that the risk of common hardware defects is avoided, and the reliability of the active suspension system is improved. Besides, the master controller and the slave controller are further configured to run different control algorithms and output control instructions at the same time, so that on one hand, faults triggered by same software vulnerabilities can be avoided, and on the other hand, the control instructions output by the controller without faults can be seamlessly switched to through the instruction switching unit when faults occur. Therefore, the problems that a single-point fault risk is faced by a single-controller architecture, architecture schemes of isomorphic double controllers possibly fail at the same time on the software logic level, and reliable switching is difficult to complete at the moment that a fault occurs can be solved, and the safety is improved.

An aspect of the present disclosure is directed to a system for dynamic provisioning of hardware instances via reprogrammable fabric provided by a reprogrammable hardware device (RHD). The system preferably includes a memory having a first instruction set disposed therein, the first instruction set for provisioning a hypervisor processing unit (HPU) instance (also referred to herein as an orchestrator instance) within the reprogrammable fabric of the RHD, and a startup sequence for execution by the HPU instance. The startup sequence of the HPU instance is preferably configured to cause provisioning of at least a first hardware instance within the second portion of the reprogrammable fabric of the RHD, and for provisioning an interface instance to allow for a physical hardware device of the host computer system to communicate with the first hardware instance via a virtualized communication channel.

The present application discloses an integrated direct-drive thermal management controller architecture for a vehicle, a vehicle management system, and a vehicle. The integrated direct-drive thermal management controller architecture for a vehicle includes: a low-voltage battery (300), a battery management module (100), and a thermal management module (900), where the low-voltage battery (300) is connected to the battery management module (100), the thermal management module (900) is configured with a load connection terminal for connecting a thermal management load, and the battery management module (100) and the thermal management module (900) share the same controller (120). By integrating a function of managing the low-voltage battery (300) and a function of managing the thermal management load in the controller (120), a control module in a battery management scheme, and a control module and a drive module in a thermal management scheme are creatively integrated into the same controller (120), simplifying a control circuit, thereby achieving low costs and a simple architecture.

An industrial control system includes a first and a second safety program executing in tandem on a first and a second safety controller, respectively. A first and a second fault condition is detected with the first or the second safety program, respectively. A third fault condition is detected by either the first or second safety programs. Monitoring for the third fault condition by the first or second safety programs is disabled upon detecting the first or second fault condition, respectively. A safe operating state is entered when either the first or second safety program detects the third fault condition. The industrial control system operates at a first safety level while both the first and second safety programs monitor the industrial control system for the third fault condition and at a second safety level, lower than first safety level, when either the first or second fault condition is detected.

The utility model provides an energy storage converter safety monitoring system based on double controllers, which relates to the technical field of power electronics and comprises a first controller, a second controller, a safety monitoring module, a battery management system, an intelligent charging and discharging module, a plurality of sensors, a plurality of field control units, a state evaluation module and a remote monitoring center. Wherein the first controller is respectively connected with the second controller, the safety monitoring module, the battery management system and the intelligent charging and discharging module; the second controller is respectively connected with a plurality of field control units, a state evaluation module and a remote monitoring center; each sensor is connected with at least one field control unit. According to the utility model, by designing a double-controller architecture, real-time state evaluation of the energy storage converter and real-time control of the battery pack can be considered at the same time, so that more comprehensive technical guarantee is provided for safe and stable operation of the energy storage converter, and the practicability is strong.

The utility model discloses an industrial controller structure supporting visual firmware upgrading, which comprises a controller main body, the upper end of the controller main body is provided with a top cover, the middle part of one end of the top cover is fixedly connected with a connecting plate II, and the middle part of the lower end of the connecting plate II is fixedly connected with a buckle plate. A U-shaped plate is fixedly connected to the end, away from the rotating shaft, of the controller body, a sleeve is fixedly connected to one end of the U-shaped plate, a first spring is fixedly connected to the end, away from the U-shaped plate, of the inner wall of the sleeve, a first limiting plate is fixedly connected to the end, facing the U-shaped plate, of the first spring, and an insertion plate is fixedly connected to the middle of one end of the first limiting plate. The middle of one end of the first limiting plate is fixedly connected with a connecting rod, and the middle of one end of the first connecting rod is fixedly connected with a pull rod. The first spring pushes the insertion plate to enter the limiting opening of the buckle plate to fix the top cover, the pull rod pulls the insertion plate to leave the limiting opening, and a worker can conveniently open the controller.

The application discloses a gear crack fault diagnosis method based on an electromechanical coupling model and belongs to the field of gear crack fault diagnosis. The method comprises the following steps: establishing a global coupling dynamic model of a coal mining machine cutting part electromechanical transmission system driven by a permanent magnet motor; constructing a dynamic load model of a coal mining machine cutting drum; determining a permanent magnet synchronous motor controller architecture and control parameters; determining a gear crack fault model and fault feature representation parameters; obtaining signal features of motor currents in the electromechanical coupling model to accurately extract gear transmission system crack fault feature parameters; and ending the design. The application provides a non-invasive method for detecting mechanical faults through electrical features, solves problems such as difficulty in ensuring monitoring quality of an additional sensor from the source, and achieves the purpose of accurately extracting typical features in a fault working condition directly from motor current signals, thereby providing an important theoretical basis for studying health state monitoring and fault prediction of a coal mining machine cutting transmission system.

The utility model discloses an extensible controller architecture based on core control, and relates to the technical field of vehicle circuit design, and the architecture comprises a control unit which can be connected with at least one driving unit in series in a splicing manner, and the control unit is used for sending a driving instruction to the corresponding driving unit; and the controlled units are in one-to-one correspondence with the driving units and are in communication connection with the driving units, and the driving units are used for controlling the controlled units to be in corresponding working states according to the received driving instructions. The control unit and the driving units which are independent are designed, the control unit and the driving units are connected in series in a splicing mode, the driving units are connected with the controlled unit to form an overall architecture structure, the corresponding driving units are connected in series based on different requirements of users, and the control unit is used for sending driving instructions to the corresponding driving units. Therefore, the controlled unit is controlled to be in a corresponding working state, the expandability and reusability of the architecture are improved, and the system is more flexible and high in verification speed in the early development stage of a vehicle circuit.

Embodiments of a smart hybrid powertrain system (12) include an engine (74), a controller architecture (16), and an electric drive subsystem (72) having a battery power source (88) and a motor / generator (82). The controller architecture (16) is configured to: (i) monitor a current state of charge (SoC) of the battery power source (88) as the combine harvester (10) enters a combine harvester harvesting cycle having a tank filling phase and a tank unloading phase; (ii) operate the motor / generator (82) to supplement engine power output and to regulate a rate of battery discharge during the tank filling phase to prevent the current SoC of the battery power source (88) from decreasing below a predetermined SoC lower threshold (148) before the tank filling phase is completed; and (iii) operate the motor / generator (82) to charge the battery power source (88) during the tank unloading phase until the current SoC of the battery power source is equal to or greater than a first predetermined SoC upper threshold (148).

The utility model discloses a highly integrated controller structure, which belongs to the field of automobile controllers and comprises a shell, a circuit board and a middle shell communication pin, the shell is divided into an upper shell, a middle shell and a lower shell from top to bottom, a first layer of circuit board mounting cavity is arranged between the upper shell and the middle shell, and a second layer of circuit board mounting cavity is arranged between the middle shell and the lower shell. A second-layer circuit board mounting cavity is formed between the middle shell and the lower shell; the circuit board comprises a first circuit board, a second circuit board and a third circuit board, the first circuit board and the second circuit board are both arranged in the first layer circuit board mounting cavity, and the first layer circuit board mounting cavity is divided into two independent cavities used for separately mounting the first circuit board and the second circuit board; the third circuit board is arranged in the second-layer circuit board mounting cavity; and the middle shell communication pin is arranged below the middle shell and is connected with the first circuit board, the second circuit board and the third circuit board for communication. The installation area is reduced, the cost is reduced, the communication rate is improved, and vehicle wire harness arrangement is facilitated.

The application relates to the technical field of multi-unmanned aerial vehicle cooperative control, and discloses a multi-unmanned aerial vehicle fixed-time neural adaptive formation control method resisting aerodynamic disturbance, which constructs a hierarchical controller architecture, the outer ring is a distributed reference generation and safety tracking controller, and the inner ring is a fixed-time terminal sliding mode controller with a cubic nonsingular smooth switching mechanism; a fixed-time sliding mode surface with the cubic nonsingular smooth switching mechanism is configured to realize deterministic convergence, an adaptive RBF neural network is adopted to actively compensate aerodynamic disturbance, a safety mechanism based on an obstacle function is combined to constrain the unmanned aerial vehicle state in a safety set, Lyapunov analysis verifies the fixed-time stability of the system, and simulation results of six unmanned aerial vehicle formations show that the convergence speed of the method is improved by 29.6%, the robustness is better, and the safe, accurate and rapid formation control of the multi-unmanned aerial vehicle under complex aerodynamic disturbance can be realized.

The invention provides a double-link heterogeneous communication method and a distributed battery management system, and the system comprises a plurality of battery management chips, and each battery management chip is connected with a single cell in a one-to-one correspondence manner; the control module comprises a main control unit and a standby control unit; and a battery pack power bus; the battery management chip comprises a battery cell data sampling module, a data processing module, a first communication module, a communication link monitoring module and a clock synchronization module. The system architecture adopted by the invention can effectively solve the problem of system paralysis caused by a single-point fault of a traditional single-controller architecture, and meets the requirement of higher vehicle-mounted safety level.

An aspect of the present disclosure is directed to a system for dynamic provisioning of hardware instances via reprogrammable fabric provided by a reprogrammable hardware device (RHD). The system preferably includes a memory having a first instruction set disposed therein, the first instruction set for provisioning a hypervisor processing unit (HPU) instance (also referred to herein as an orchestrator instance) within the reprogrammable fabric of the RHD, and a startup sequence for execution by the HPU instance. The startup sequence of the HPU instance is preferably configured to cause provisioning of at least a first hardware instance within the second portion of the reprogrammable fabric of the RHD, and for provisioning an interface instance to allow for a physical hardware device of the host computer system to communicate with the first hardware instance via a virtualized communication channel.

The application discloses a near real-time wireless intelligent controller architecture and a wireless function enhancement method thereof, wherein the near real-time wireless intelligent controller architecture comprises a cloud platform, a near real-time wireless intelligent controller (nRT RIC) platform and a wireless function entity (xAPP); the cloud platform is used for performing life cycle management on software carriers of the nRT RIC platform and the xAPP, configuring a routing path between the software carriers, and performing message transmission between the xAPP and between the xAPP and the nRT RIC platform; the nRT RIC platform runs on the cloud platform and is used for managing the xAPP and / or realizing part or all of wireless functions; and the xAPP runs on the nRT RIC platform and is used for realizing enhanced functions of the wireless functions. The application can realize SBA decentralization and management and control combination of master and auxiliary functions of an application layer, provides a unified solution of nRT RIC basic functions and incremental functions, and can realize AI driving and digital twin simulation ring nRT RIC function enhancement.

The application discloses a reconfigurable computing array, a reconfiguration controller architecture, a chip and a reconfigurable computing method, comprising a master control module, a state machine module, a computing decoder module, a memory access resource controller module, a reconfiguration controller module, a reconfigurable computing array, an input buffer module and an output buffer module; the state machine module controls the whole reconfigurable computing process through state switching; the reconfiguration controller module configures the connection mode of the PE unit in the reconfigurable computing array according to the decoding result of the computing decoder module, and realizes multiple computing functions to complete different types of data computing tasks. The application dynamically configures multiple computing units in the reconfigurable computing array, so that the hardware architecture can be adjusted in real time according to different algorithm requirements, the reconfigurable computing array is accurately configured to complete different computing tasks, and special hardware does not need to be designed for each task, so that the flexibility of chip configuration is improved and the resource utilization rate is improved.

The present disclosure relates to work vehicle magnetorheological fluid joystick systems that reduce unintended joystick motion. In an embodiment, a work vehicle magnetorheological fluid (MRF) joystick system includes a joystick device, an MRF joystick resistance mechanism, and a controller architecture. The joystick device in turn includes a base housing, a joystick movably mounted to the base housing, and a joystick position sensor configured to monitor movement of the joystick relative to the base housing. The MRF joystick resistance mechanism is controllable to vary a first joystick stiffness that changes resistance to movement of the joystick relative to the base housing in at least one degree of freedom. The controller architecture is configured to: (i) detect whether an unintended joystick motion condition arises during operation of the work vehicle; and (ii) when the unintended joystick motion condition is detected, command the MRF joystick resistance mechanism to increase the first joystick stiffness in a manner that reduces sensitivity of the joystick device to unintended joystick motion.

This invention relates to the field of rail transit gate control system technology, and discloses a method and system for controlling the logs and safety interlocking of rail transit gate control motors. The method collects logs through dual storage modules and configures supercapacitors to achieve power outage breakpoint continuation; it employs intelligent algorithms to warn of early fault signs and uses chained hashing to ensure log tamper-proofing; the CPLD executes interlocking according to the SIL3 standard, combining log integrity, algorithm results, and real-time signals, triggering degradation protection upon verification failure. The system includes an ARM processor (log / algorithm / hash module), a CPLD interlocking unit, and a supercapacitor protection unit. Applying this invention can reduce the log breakpoint rate to below 0.01%, the interlocking misjudgment rate to 0, and fault location to within 30 minutes. It is compatible with existing gate controller architectures, has low modification costs, and is suitable for high-speed rail, subway, and other scenarios.

This application relates to the field of vehicle technology, and in particular to a method, apparatus, electronic device, and storage medium for synchronizing ambient lighting communication in a vehicle. The vehicle includes a central computing center and at least one regional controller communicating with the central computing center. The method includes: synchronizing the time of the central computing center and each regional controller based on a preset timestamp synchronization strategy; determining the message scheduling period of ambient lighting control command messages in the LIN scheduling tables of all regional controllers based on a preset LIN scheduling time slot; and sending ambient lighting control commands to each regional controller through the central computing center, causing each regional controller to call the corresponding LIN scheduling table based on the message scheduling period to synchronize the ambient lighting control of the vehicle. This solves the problem of asynchronous ambient lighting execution in a central computing center and regional controller architecture, and has strong applicability.

The invention discloses an SPI (Serial Peripheral Interface) slave controller and a working method thereof, the SPI slave controller comprises an SPI interface, an SPI sending shift register, an SPI receiving shift register and a system bus interface, the SPI slave controller is integrated on a chip, and the SPI slave controller further comprises a core control module, a sending asynchronous FIFO (First In First Out), a first DMA (Direct Memory Access) controller, a receiving asynchronous FIFO, a second DMA controller and a register module; according to the technical scheme provided by the invention, the SPI slave controller adopts a double-asynchronous FIFO (First In First Out) controller architecture matched with double DMA (Data Memory Access) controller architecture, the communication frequency is greatly improved in the flow, the fixed multiple relationship which must be met between a system clock and a serial communication clock in the traditional SPI design is broken, the higher communication rate is allowed to be supported under the lower system clock frequency, and the communication efficiency is improved. And the overall data transmission efficiency and the system throughput capacity are improved.

An intelligent work vehicle preheat system (22) includes an electric drive subsystem (50) including a battery pack (82), a hydraulic subsystem (52) including a first hydraulic fluid (HF) heating device (56), and a first HF temperature sensor (54). A memory (68) stores a first minimum target temperature at which a first hydraulic fluid body included in the hydraulic subsystem (52) is desired to be maintained at or above. A controller architecture (48) selectively places the intelligent work vehicle preheat system (22) in an inactive preheat mode when the electric drive subsystem (50) is connected to an external power source for charging the battery pack (82). The controller architecture (48) also controls the HF heating device (56) to heat the first hydraulic fluid body when (i) the intelligent work vehicle preheat system (22) is placed in the inactive preheat mode, and (ii) a current temperature of the first hydraulic fluid body is less than the first minimum target temperature.

The Open Radio Access Network (O-RAN) may include an O-RAN Centralized Unit (O-CU), at least one O-RAN Distributed Unit (O-DU), at least one O-RAN Radio Unit (O-RU), and a Real-Time (RT) RAN Intelligent Controller (RIC) connected to the at least O-DU and configured to host at least one application for controlling the at least one O-DU via a real-time control loop with a latency of less than 10 ms. The O-RAN wireless system may include a Non-RT (Non-RT) RIC configured to manage resources and events with a latency of 1 second or more, and a Near-RT RIC configured to manage resources and events with a latency of 10 ms to 1 second. Further, the O-RAN may include a Service Management and Orchestrator (SMO) platform, and the RT RIC is connected to at least one of the SMO, the Non-RT RIC, the Near-RT RIC, the RAN network elements, and the O-RU.

A system comprises pulse generation and measurement circuitry comprising a plurality of pulse generator circuits and a plurality of ports, and management circuitry. The management circuitry is operable to analyze a specification of a controlled system and controlled elements that comprises a definition of a controlled element of the control system, and a definition of one or more pulses available for transmission by the control system. The management circuitry is operable to configure, based on the specification, the pulse generation and measurement circuitry to: generate the one or more pulses via one or more of the plurality of pulse generator circuits; and output the one or more pulses to the controlled element via one or more of the plurality of ports.

The invention discloses a cloud edge collaborative virtual controller architecture, an adaptation method and an implementation method, and relates to the technical field of industrial automation control. The virtual controller adopts a three-layer architecture of a cloud / upper engineering layer, an edge control layer and a field equipment layer, a core control unit is established by industrial control software and an industrial-grade industrial personal computer, and high-real-time and high-stability control of an industrial field is realized; according to the operation mechanism, through a closed loop process of upper computer programming configuration, edge side Runtime starting initialization, program downloading verification and real-time communication cooperation, traditional logic sequence defects are corrected, and control reliability is ensured; and the protocol adaptation module supports interconnection, intercommunication and conversion of a plurality of industrial protocols such as Modbus, EtherCAT, Profinet and the like. The method does not need to depend on a complex hardware architecture, solves the problems of poor compatibility, insufficient real-time performance and low deployment flexibility of a traditional controller protocol through deep collaborative optimization of software and industrial-grade hardware, is suitable for various industrial automation scenes, and has a wide application prospect through third-party detection verification. The protocol communication success rate and the control response performance meet the harsh requirements of an industrial site.

The invention discloses an intelligent vehicle-mounted system based on a domain controller and an application method of the intelligent vehicle-mounted system, and belongs to the technical field of intelligent automobile electronics. The system comprises a dual-core domain controller, a video processing subsystem and a communication module, the dual-core domain controller comprises a master controller and a slave controller, the video processing subsystem and the communication module are respectively connected with the master controller, and the slave controller is connected with the master controller. According to the invention, multifunctional modules such as a DMS, a DVR, an AVM and a TBOX are integrated through a dual-core domain controller architecture, and hardware resource sharing is realized.

The invention provides a steer-by-wire system and a vehicle, and the system comprises a first domain control unit which is used for generating a control instruction; the second domain control unit is connected with the first domain control unit and is used for carrying out rationality verification on the control instruction; and the steering control execution unit is used for executing vehicle steering control according to the control instruction when the control instruction is confirmed to be reasonable. A first domain controller architecture and a second domain controller architecture which are asymmetrical in function are adopted. As the second domain control unit only needs security verification and does not need to operate a complex algorithm, the requirements of the second domain control unit on chip computing power, memory and Flash storage are greatly reduced, a microcontroller with lower cost is allowed to be selected, and only the first domain control unit dominating computing needs to meet the requirements of functional security, computing power and the like, so that the total BOM cost of the system is optimized, and the system performance is improved. And the cost of the redundant steer-by-wire system is reduced.

The invention discloses a PID parameter adjustment method and device based on PILCO reinforcement learning migration PID control, and relates to the technical field of control architecture migration, and the method comprises the steps: obtaining target interaction data based on a PILCO reinforcement learning algorithm when an intelligent agent interacts with a control environment; a state error, an error integral and an error derivative in target interaction data are calculated according to an expected state of a controlled object, and a PID control parameter of a PID controller is identified by applying a recursive least square method combined with a forgetting factor. According to the method, parameter estimation is carried out by using a recursive least square method combined with a forgetting factor, a PILCO offline learning result is migrated and converted into PID control, a PILCO reinforcement learning algorithm and a PID controller architecture do not need to be changed, and the problems that the PILCO reinforcement learning algorithm is high in calculation complexity, poor in high-dimensional state space expansibility and difficult to deploy online are solved.