61 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 body intelligent controller architecture based on an end side intelligent model and an operation method, and belongs to the technical field of industrial body intelligence. According to the architecture, a CPU, a GPU and an FPGA are integrated by adopting a heterogeneous multi-core processor, and high-speed interconnection is realized through a star-type + NoC hybrid topology; a multi-level task scheduling mechanism is constructed based on a real-time operating system, and it is ensured that control tasks are executed preferentially. End-side visual model lightweight (YOLOv5s model parameters are reduced to 3.5 M) and FPGA hardware acceleration (control instruction time delay is 10ns) are innovatively realized on an algorithm framework layer, and a transmission bottleneck is eliminated through a zero-copy data path. The system supports model hot switching less than or equal to 10ms and FPGA bit stream online updating less than or equal to 50ms, and has MD5 check and an automatic rollback mechanism. Compared with a traditional separation type scheme, the processing time delay is reduced by 25 times, the hardware cost is reduced, the size is reduced, and the real-time performance, reliability and deployment flexibility of the industrial robot and other intelligent agents with the body are remarkably improved.

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.

The invention provides a steer-by-wire system based on a combined controller architecture. The steer-by-wire system comprises a master controller, a slave controller, a fault-tolerant control switching logic module and a variable transmission ratio control module, the fault-tolerant control switching logic module is used for switching to a degradation mode when the master controller breaks down or a motor winding of the master controller breaks down, and triggering emergency braking of the vehicle when the master controller and the slave controller both break down; in a normal mode, the master controller and the slave controller respectively control steer-by-wire and road feeling simulation of a vehicle, and the variable transmission ratio control module performs segmentation according to the vehicle speed and adopts different transmission ratios to realize a-section transmission ratio adjustment; and in the degradation mode, the master controller stops working, the slave controller controls steer-by-wire and road feeling simulation of the vehicle, the variable transmission ratio control module performs segmentation according to the vehicle speed and adopts different algorithms to realize b-section transmission ratio adjustment, and b is smaller than a.

The invention discloses a distributed clutch control method for a dual-unit wave energy array. The distributed clutch control method comprises the following steps: carrying out numerical modeling and hydrodynamic analysis on a dual-unit wave energy array model; establishing a time domain motion equation of the dual-unit wave energy array; establishing a state-space equation of the dual-unit wave energy array, replacing a convolution term of the time domain motion equation with the state-space equation, and calculating to obtain a motion state of the dual-unit wave energy array; distributed clutch control is implemented on the dual-unit wave energy array to maximize extraction of energy in waves. According to the method, the overall calculation efficiency of the system is remarkably improved by coordinating operation of the distributed controllers associated with each other, and compared with a traditional single-controller architecture, the method not only optimizes allocation of calculation resources, but also effectively improves the overall energy absorption efficiency of the dual-unit wave energy array, and the energy utilization rate of the dual-unit wave energy array is improved. And higher energy utilization rate and system response flexibility are shown.

The invention relates to the field of vehicle-mounted control systems, in particular to a vehicle-mounted control system based on a double-controller architecture, which comprises a control module, an expansion module, a power supply module, a communication self-checking module and a fault-tolerant decision execution module, and is characterized in that the control module comprises a master control unit and a slave control unit, and the expansion module provides a plurality of expandable interfaces; the power supply module can carry out power supply protection, the communication self-checking module can judge whether communication is overtime based on communication data and execute multi-dimensional fault feature combined diagnosis, and the fault-tolerant decision execution module can adjust transmission of the control module. And the working stability under severe conditions is improved.

The invention relates to the field of vehicle control units, and discloses a fault tolerance method and system based on a heterogeneous vehicle control unit, a vehicle and a medium, the method is characterized in that a multi-core heterogeneous vehicle control unit framework is constructed, and the vehicle control unit framework comprises at least two different first processor cores and second processor cores; configuring the first processor core and the second processor core into a main core and a standby core, so that the two processor cores respectively respond to the service instruction to generate a service scheme; arbitrating the two service schemes, and determining a service execution control scheme based on an arbitration result; and if it is monitored that the target main core breaks down, switching to the standby core corresponding to the target main core to respond to the service executed before the fault occurs. A multi-core heterogeneous architecture and a parallel processing mode are adopted, so that the vehicle control unit can quickly process various types of service instructions, the processing efficiency is remarkably improved, the service response time is shortened, and the requirements of a vehicle for real-time performance, reliability and safety are met.

The present invention discloses a DC transformer control system and control method. The DC transformer control system includes: a central controller and several module controllers connected by optical fibers; the module controllers correspond one-to-one with the power modules; the central controller obtains the operating data of the several power modules and obtains the corresponding modulation waves of the power modules; the central controller sends control instructions to the several module controllers according to a preset period, the control instructions including the modulation wave, the power module number, and the power module status information; the module controllers obtain a triangular carrier based on the power module number and the power module status information, and compare and calculate the triangular carrier with the modulation wave to obtain the control command of the power module. By adopting a two-layer controller architecture, the communication frequency is greatly reduced while ensuring control accuracy, reducing the computing power requirements of the main controller and the workload of the DC transformer main controller, thereby improving the operating efficiency of the DC transformer main controller.

The present invention relates to a work vehicle magnetorheological fluid joystick system operable in a modified joystick stiffness mode. Embodiments of a work vehicle magnetorheological fluid (MRF) joystick system include a joystick device having a base housing, a joystick movably mounted to the base housing, and a joystick position sensor configured to monitor joystick movement. The MRF joystick resistance mechanism can be controlled to vary the joystick stiffness resisting movement of the joystick relative to the base housing while a controller architecture is coupled to the joystick position sensor and the MRF joystick resistance mechanism. The controller architecture is configured to: (i) selectively place the work vehicle MRF joystick system in a modified joystick stiffness mode during operation of the work vehicle; and (ii) when the work vehicle MRF joystick system is placed in the modified joystick stiffness mode, command the MRF joystick resistance mechanism to vary the joystick stiffness at least in part based on movement of the joystick relative to the base housing.

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.

A system for touchless control of a lavatory of an aircraft includes at least one sensor located in the lavatory and configured to detect detected data corresponding to the lavatory. The system further includes at least one actuator or light source located in the lavatory and configured to perform an action. The system further includes a central controller coupled to the at least one sensor and the at least one actuator or light source and configured to make an inference based on the detected data and to control the at least one actuator or light source based on the inference.

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 invention discloses a full - drive attitude saturation control method for a flexible spacecraft with input constraints, which includes the following steps: Step 1, based on the full - drive system theory method, according to the attitude dynamics and kinematics models of the flexible spacecraft, convert the spacecraft attitude model into a full - drive system control model; Step 2, design an attitude controller architecture for the full - drive system control model of the flexible spacecraft in Step 1; Step 3, for the linear feedback part of the control law in Step 2, the parameter matrices A0 and A1 are determined by the "direct parameter method" under the full - drive system theory framework; Step 4, for the non - linear term compensation part of the control law in Step 2, an extended state observer is used for comprehensive observation and estimation; Step 5, for the control law in Step 2, considering the physical limitations of the control actuators, design a saturation function to ensure that the control input torque is within a reasonable range. The present invention can achieve rigid - body attitude and flexible vibration suppression within the capabilities of the actuators.

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.

The present disclosure relates to a work vehicle magnetorheological fluid joystick system that can operate in a modified centripetal mode. The work vehicle magnetorheological fluid (MRF) joystick system includes: a joystick device, an MRF joystick resistance mechanism, and a controller architecture. The joystick device further includes: a base housing, a joystick movably mounted to the base housing, and a joystick biasing mechanism, which is connected to the joystick and applies a centripetal force to urge the joystick to return to the neutral position when the joystick is moved away from the neutral position. The controller architecture is capable of operating in a modified centripetal mode, wherein the controller architecture: (i) determines when the joystick begins to return toward the neutral position due to the centripetal force applied to the joystick by the joystick biasing mechanism; and (ii) when so determined, issues a command to the MRF joystick resistance mechanism to modify the rate at which the joystick returns to the neutral position by changing the MRF resistance applied to the joystick.

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.

A system, a line module in a terminal node of an optical network, and / or a method are described in which a first embedded device of a first line module transmits a first fault signal to a first real time processor of the first line module. In response, the first real time processor triggers the first embedded device to deactivate a first laser of a first coherent optical transceiver of the first line module and transmits a second fault signal to a second real time processor of a second line module. In response, the second real time processor triggers a second embedded device of the second line module to activate a second laser of a second coherent optical transceiver of the second line module. The first laser and the second laser may be operable to supply a first optical signal and a second optical signal, respectively.

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 present invention discloses a dynamic stability integrated planning control method for a floating wind turbine. An integrated planner is externally connected to the controller, which collaboratively and dynamically adjusts the core control parameters of three sub-control systems, namely blade pitch, generator torque, and nacelle yaw. A planner based on a non-linear dynamics mathematical model can be used to dynamically adjust the controller parameters to achieve the comprehensive optimization of the dynamic stability target. Without changing the architecture of the existing industrial controller of the floating wind turbine, the present invention realizes the comprehensive improvement of the dynamic stability of the floating wind turbine operation by dynamically adjusting a series of core control parameters of the industrial controller, suppresses the movement of the floating body platform - support structure, reduces the wind turbine speed / active power fluctuation, and improves the operation stability and high energy efficiency of the floating wind turbine, having important engineering application value.

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.