191 results about "Control bus" patented technology

The invention discloses a memory signal integrity enhancing system based on multi-dimensional parameter self-adaption, and belongs to the technical field of signal transmission. The system comprises a multi-dimensional signal acquisition module, a multi-dimensional parameter analysis module, a self-adaptive adjustment module, a memory signal optimization module and a feedback monitoring module, the multi-dimensional signal acquisition module is combined with multi-dimensional parameter analysis, signals of a data bus, an address bus and a control bus are synchronously acquired, a dynamic adjustment strategy is generated according to a model, and the self-adaptive adjustment module and the memory signal optimization module are optimized according to the dynamic adjustment strategy. Different optimization means are adopted for different parameter types, a customized optimization system with one parameter and one scheme is formed, it is ensured that the optimized target signal is optimal in amplitude stability, time sequence accuracy, anti-noise capacity and impedance matching degree, the feedback monitoring module is combined with the multi-dimensional parameter analysis module, and the multi-dimensional parameter analysis module is combined with the feedback monitoring module. And through full-dimension index monitoring and dynamic calibration, the continuous adaptability of the system to the running state of the memory and the long-term stability of signal integrity are guaranteed.

The invention discloses a circuit and a method for realizing current sharing through master-slave parallel connection, and the method is characterized in that a master machine and a plurality of slave machines are connected in parallel, and are respectively connected to a current sharing control bus through an isolation chip, a TTL and differential mutual conversion unit and an information gating switch in sequence, thereby forming a parallel current sharing circuit; comprising a host issuing current reference circuit and a processing circuit after a slave receives a current reference signal from the host. After a plurality of instrument power supplies are connected in parallel, a user sets a master-slave parallel mode on a front panel of the power supplies and selects a master computer, and other computers are slave computers; when a plurality of power supplies work in parallel, the host issues a current reference signal to the current sharing control bus through the current reference generation circuit, and the slave outputs a corresponding current value according to the current reference signal issued by the host. One of a plurality of power supply modules can be randomly selected as a main module, the flexibility is high, the stability is good, and the power supply has the characteristics of simplicity in wiring and control, low transmission loss of control signals, difficulty in interference of the control signals, balanced output control of all the power supply modules and the like.

The invention belongs to the field of industrial control and computer data security, and particularly relates to a millisecond-level power failure data protection system for an industrial control panel. The invention discloses a millisecond power failure data protection system for an industrial control panel. The millisecond power failure data protection system comprises a core processing component, a real-time synchronous shadow memory component, a bus voltage monitoring component, a pre-entropy reduction logic control component, a nonvolatile storage component and a flight control bus arbitration component. The bus voltage monitoring assembly monitors a voltage drop trend and performs early warning, the pre-entropy reduction logic control assembly calculates a minimum data survival set according to energy entropy, the real-time synchronous shadow memory assembly constructs a synchronous shadow control domain and atomizes data, and the flight control bus arbitration assembly compulsively takes over a bus and freezes processor access at the moment of power failure. Atomized writing of data into the nonvolatile storage component is guaranteed. According to the invention, zero-delay data protection and millisecond-level hot start recovery at the moment of power failure are realized, and the data security and reliability of the industrial control equipment in a severe environment are enhanced.

The invention relates to the technical field of embedded systems and signal acquisition, in particular to a high-speed AD acquisition system and method based on MCU and FPGA time division multiplexing. A change-over switch is integrated in an FPGA processor, the change-over switch is used for communicating an ADC SPI interface with an SPI interface of an MCU controller in a parameter configuration stage and communicating the ADC SPI interface with main control logic in the FPGA processor in a high-speed acquisition stage, and the FPGA processor is further provided with a high-speed parallel bus interface which is used for being connected with a parallel bus interface of the MCU controller in a data reading stage. And batch transmission of the cached data is realized. Physical path isolation is achieved through the change-over switch in the FPGA processor, it is ensured that the MCU controller is completely separated from the AD control bus in the high-speed collection stage, time sequence interference and bus conflict caused by the AD control bus are fundamentally avoided, and the stability and data integrity of the collection process are guaranteed.

The invention discloses a transient performance enhancement-oriented multi-spacecraft attitude cooperative tracking control method, which provides a fixed time controller through an inversion control strategy, realizes quick response of a multi-spacecraft attitude system, and ensures that a consistency error is converged to a sufficiently small domain within fixed time. A fuzzy weight updating law is designed, dependence on system model information is reduced, and adaptability and high robustness are achieved. According to the asymmetric fractional obstacle Lyapunov function, adherence of multiple spacecrafts to time-varying constraints is guaranteed, meanwhile, the problem that the control amplitude related to a large constraint boundary in a traditional logarithmic obstacle Lyapunov function is too large is solved, and therefore the proposed method can process constrained and unconstrained scenes. A saturation threshold event triggering strategy is designed, a multi-spacecraft system is allowed to select three different triggering strategies by adjusting parameters, the transmission frequency of control signals is flexibly changed, and control bus resources are reasonably distributed.

The invention relates to the technical field of intelligent control network application programming, and discloses an application programming method based on an ArtNet module, which is applied to an intelligent control network. The method comprises the steps that an ArtNet module storage medium is partitioned, firmware is received and verification information is stored, the validity of the firmware is judged, the firmware is transmitted to a main controller according to a preset upgrading protocol, the main controller distributes updates, and the ArtNet module clears temporarily stored data. According to the application, the intelligent control network master controller is an internal communication bus master device, the function nodes maintain the original access logic, only an ArtNet module is newly added as a slave device to access the internal bus, an independent communication link is established through a universal interface and the master controller, the Ethernet and the external control bus are externally connected, original hardware and an IAP protocol do not need to be changed, and the communication efficiency is improved. Equipment transformation and code rewriting cost caused by module expansion are avoided; based on the programming process, original IAP logic is not interfered, repeated burning caused by data residue is avoided, and the method is suitable for firmware upgrading of intelligent control networks such as moving head lamps, stage lighting and intelligent lighting.

An apparatus for controlling bus doors (14, 16) that are arranged as a pair of doors that move in coordinated relation between door open positions and door closed positions, enables passengers to access an interior area (12) of a bus (10). The apparatus includes an actuator (28, 226). The actuator includes a drive lever (34, 228) that is selectively rotationally movable between rotational positions in which both of the doors are in the open positions and in the closed positions. Exemplary arrangements include at least one controller (128) that is operative to prevent the doors from causing damage to or from being damaged by engagement with obstructions. The controller further enables a bus driver or other authorized user to control access to the interior area of the bus using a wireless device (144).

The invention relates to a performance monitoring driving type heterogeneous computing task hardware scheduling system and method which are applied to an instruction set architecture heterogeneous computing platform supporting a hardware performance monitoring unit. The performance monitoring interface module obtains first performance index data of a first computing unit in the instruction set architecture heterogeneous computing platform and first performance index data and second performance index data corresponding to a plurality of second computing units; the heterogeneous computing unit management module maintains global task topology and task states of the computing units; the hardware task scheduling unit generates a scheduling request signal based on the performance feature vector of the first performance index data and / or the second performance index data, accesses the second performance index data, the global task topology and the task state in parallel, and selects a task calculation unit; the hardware scheduling control bus migrates heterogeneous computing tasks to the task computing unit based on the scheduling request signal. Therefore, low-delay and high-precision scheduling control is realized, and the overall throughput rate and energy efficiency of the system are improved.

The invention discloses an electric vehicle hybrid energy storage system energy management method fused with a Hemma particle swarm algorithm LSTM, and the method comprises the steps: constructing a multi-layer LSTM neural network controller to learn the characteristics of a driving condition, and minimizing the stress of a battery; constructing a fractional order integral derivative (FOID) controller, outputting a power correction component, and decomposing the component into a battery power reference component and a supercapacitor power reference component; according to the method, an improved He-Marx particle swarm algorithm is utilized, LSTM weight and FOID controller parameters are optimized in a combined mode through a multi-objective optimization function (including battery root-mean-square current and voltage errors), optimization training is carried out on the weight and bias of a neural network controller, and power distribution between a battery and a supercapacitor in the hybrid energy storage system of the electric vehicle is controlled in real time; an LSTM power distribution result is adaptively corrected through a dynamic weight mechanism, and bus voltage fluctuation is controlled within a range of + / -3%; and the final power reference value is synthesized through dynamic weighting, so that the peak current of the battery is remarkably reduced.

Thermal cameras exist at price points and volume manufacturing suitable for practical consideration of integration of thermal camera modules into host electronic devices, including automobiles, PED's—smartphones, tablets, etc. However, individual thermal cameras require extensive unit-specific data to provision and operate each individual camera with acceptable performance. This along with non-standard electrical interfaces, are adoption barriers to host device manufacturers, for example, where some devices, including some PED's, have become bus-based platforms allowing for functional modules to be packaged into common PED's and operated by way of apps. Some modern PED's, for example, include standard high-speed data busses and low-speed control busses. Devices and methods are disclosed for delivering compatibility with standard internal interfaces and storing the camera module's unit-specific data in a memory element on the camera module. The data can be read out on the same data bus used for thermal camera image data, either by selection between stored data and video output or by simultaneous streaming on different virtual channels. In a particular embodiment the logic element may be configured to write per pixel runtime data such as bias voltages on a runtime per pixel basis to the FPA as the FPA operates by accessing the memory element from a starting point address, wherein the starting point address may be at least one of predetermined or set by a host controller, thereby allowing the FPA to operate without local processing resources or per pixel communication with the host controller.

The invention discloses a photon NPU (Network Processing Unit) embedded neural network processor, which comprises (1) an electromagnetic wave bus, (2) a multiply-add module, (3) an activation function module, (4) a two-dimensional data operation module and (5) a decompression module, the NPU embedded neural network processor is divided into independent modules with different sizes according to functions and purposes, each functional module is provided with an independent input and output end, and each functional module is provided with an independent input end and an independent output end. All input and output ends are connected with a transmitting end and a receiving end of an electromagnetic wave bus, the bandwidth advantage of electromagnetic waves is utilized, a processing terminal is further formed through interconnection, and the electromagnetic wave bus is used for replacing a control bus, a data bus, an address bus and all replaceable circuits to transmit needed control signals, data and data addresses. An electromagnetic wave bus is used as a carrier of data needing to be processed, a data address and control signal transmission, and a photon (NPU) embedded neural network processor processes and outputs a result after passing through a radio frequency chip and a baseband chip.

The application relates to a segmented integration method of a vacuum system, wherein a control console is integrated with vacuum units through a control bus to form an automatic vacuum control system, and the best cooperation between the vacuum units is realized. The control bus is integrated with vacuum stations to form a process analysis and control subsystem, automatic processing of a workpiece vacuum process and process record of each workpiece can be realized. Through big data statistics and analysis of the process, automatic judgment of the online quality qualification level of the workpiece can be realized, and workpiece abnormal processing alarm and characteristic data result report are given, and automatic vacuum operation without people is completed. The application improves equipment utilization and production efficiency, and reduces energy consumption and operation cost.

The invention belongs to the technical field of direct current system protection, and particularly discloses a two-out-of-three protection topological structure and method for a direct current system. Comprising a protection case and a valve control module, the protection case comprises a first protection case, a second protection case and a third protection case; the valve control module comprises a first valve control module and a second valve control module; the output end of the first protection case is connected with the input end of the first valve control module and the input end of the second valve control module through a control bus. The output end of the second protection case is connected with the input end of the first valve control module and the input end of the second valve control module through a control bus. The output end of the third protection case is connected with the input end of the first valve control module and the input end of the second valve control module through a control bus. The three protection cases are connected with the two valve control modules, so that the problem that the direct current system is difficult to protect in time when the protection cases or the valve control modules fail is avoided, and the safety and reliability of the protection system are effectively improved.

Techniques are disclosed relating to a shared control bus for communicating between primary control circuitry and multiple distributed graphics processor units. In some embodiments, a set of multiple graphics processor units including at least first and second graphics processors on different semiconductor substrates that are packaged in a multi-chip module, where the first and second graphics processors are coupled to access graphics data via respective memory interfaces. The shared workload distribution bus may include: one or more interfaces between respective graphics processors on the same semiconductor substrate and at least one cross-substrate interface between the different semiconductor substrates. Workload distribution circuitry may transmit, via the shared workload distribution bus, control data that specifies graphics work distribution to the multiple graphics processor units. Packet control circuitry may modify packets from at least one of the one or more interfaces for transmission via the cross-substrate interface.

The utility model discloses an electronic detonator initiator, and belongs to the technical field of initiating explosive device initiation control equipment. The electronic detonator exploder comprises an exploder body; the detonation control module is arranged in the detonator body; one end, close to the exploder body, of each conductive connecting seat is connected to the exploder body and is in conductive connection with the detonation control module, and one end, away from the exploder body, of each conductive connecting seat is provided with a conductive plugging port for plugging a conductive wire; and the locking mechanism is arranged on the conductive connecting seat, the locking mechanism can lock the conductive wire inserted in the conductive plugging port, and the conductive wire locked in the conductive plugging port is conductively connected with the detonation control module. According to the utility model, one end, deviating from the exploder body, of the conductive connecting seat is provided with the conductive plugging port for plugging the conductive wire, so that the conductive wire serving as a control bus can be plugged in the conductive plugging port conveniently, and the conductive wire can be rapidly and reliably connected.

Embodiments are generally directed to an emergency driver (10) and an intelligent module (20) for the emergency driver (10). An embodiment of the emergency driver (10) may include a digital communication interface (12), a DC power supply (14) and a controller (16). The digital communication interface (12) may be configured to receive an input signal (41) via a control bus (18). The DC power supply (14) may be configured to provide a DC output (45) to the control bus (18). The controller (16) may be coupled to the digital communication interface (12) and the DC power supply (14) and may be configured to control the emergency driver (10) to operate in a first operation mode. The input signal (41) received at the digital communication interface (12) may be a digital input signal when the emergency driver is operating in a first operation mode.

A network switch comprises a first data path configured to separate a header from a payload of an incoming packet, the first data path is characterized by a reduced latency for cells of the payload without a first processing delay associated with the header in the second data path. The network switch also includes a controller configured with a first control path to transmit a control bus carrying control signals for individual cells and a second control path to transmit a data bus carrying the header and the payload, wherein the control bus is transmitted before the data bus. The network switch also includes a second data path configured to receive the control bus and the data bus separately, and to store the cells temporarily for managing the timing of the cells and handling a second processing delay associated with the header in the second data path before transmitting the packet.

The present application relates to a kind of for single lithium battery exchange light double-input charging control method, device and medium, wherein, by detecting the electrical state of alternating current side and photovoltaic side port to determine the working mode, accordingly control corresponding front-stage power circuit alternating current or mixed working mode enable active power factor correction circuit, photovoltaic mode enable photovoltaic maximum power point tracking boost circuit, the output direct current of both is converged to common high-voltage direct current bus;Control bus and the only fixed-frequency resonant type TAB converter between battery works in fixed resonant frequency state, utilize its built-in high-frequency transformer isolation conversion and battery low-voltage side diode rectification clamping processing after output adaptation electric energy;Through the power regulation of front-stage circuit, realize constant-current or constant-voltage charging closed loop.By three-way port architecture and converter multiplexing design, adaptation double-input extreme scene, efficiently solve single lithium battery exchange light double-input charging problem.

The invention discloses a vehicle machine screen two-dimensional coupling detection method and system, and belongs to the technical field of computer vision and industrial automation detection. Obtaining a vehicle machine screen image stream through a multi-source video access layer; the vehicle machine screen image flow is input into a pre-trained YOLOv5-Heat multi-mode model, a screen abnormity type is recognized, and the screen abnormity type comprises at least one of color cast, dead pixels, full-screen abnormity and overheat points; analyzing the identified screen abnormity by adopting a two-dimensional coupling algorithm, and generating an early warning signal of a corresponding grade based on a result of the two-dimensional coupling algorithm; and when the early warning signal level is serious abnormity, an abnormal signal is converted into a CAN frame through the weekly standing power module, an instruction is sent to the execution module through the control bus, the relay module is controlled to execute power-off operation, and the vehicle machine is triggered to be restarted. The method is obviously superior to the prior art in five dimensions of detection precision, real-time performance, reliability, easy deployment and later cost.

Embodiments of this application provide a radio frequency apparatus and a control signal transmission method. A specific solution is as follows: A radio frequency transceiver includes a primary control interface, and the primary control interface includes a first clock port and a first data port. Each radio frequency front-end module in at least one radio frequency front-end module includes a secondary control interface, and the secondary control interface includes a second clock port and a second data port. The first clock port is coupled to the second clock port of the at least one radio frequency front-end module through a control bus based on a daisy chain of a linear topology structure, and the first data port is coupled to the second data port of the at least one radio frequency front-end module through the control bus based on a daisy chain of a ring topology structure.

The application discloses a multi-device data transmission system and method, which comprises a master control unit, a first channel switch, an input end of the first channel switch being connected with a plurality of RJ45 input interfaces, each of the RJ45 input interfaces being used for accessing a data acquisition device, an output end of the first channel switch being connected with the master control unit through a first RS485 bus, the master control unit being further connected with the first channel switch through a first channel control bus to control the conduction / cutoff of the first channel switch, at least one RJ45 output interface, the RJ45 output interface being used for accessing a data receiving device, the data receiving device being connected with the master control unit through a second RS485 bus after being connected with the RJ45 output interface. The multi-device data transmission system can not only solve the problems of device address allocation, impedance matching and device identification in the data transmission process, but also can integrate data and efficiently send data.

The embodiment of the invention relates to a network switch with packet data acceleration for low latency. In one embodiment, a network switch includes a first data path configured to separate a header of an incoming packet from a payload, the first data path being characterized by reduced latency of units of the payload without a first processing delay associated with the header in a second data path. The network switch also includes a controller configured with a first control path that transmits a control bus carrying control signals for individual units and a second control path that transmits a data bus carrying a header and a payload, where the control bus transmits prior to the data bus. The network switch also includes a second data path configured to receive the control bus and the data bus, respectively, and temporarily store the units for managing timing of the units and handling a second processing delay associated with the header in the second data path prior to transmitting the packet.

The present invention provides an apparatus and method for communication having a read address offset. The communication apparatus comprises a MIPI main control chip and at least two sub-chips connected to the MIPI main control chip by means of buses. Each sub-chip is provided with a MIPI module, and the MIPI modules of the sub-chips on a same bus are each configured with a register address offset and a register address response range, so that the register address access ranges of the sub-chips connected to the same bus do not conflict with one another. The MIPI main control chip sends to the MIPI module a MIPI read instruction comprising register address information, and, on the basis of the register address information, the register address offset, and the register address response range, if it is determined that the instruction has been responded to, the MIPI module controls the bus and outputs a value of a corresponding register. According to the present invention, the problem of read-back contention among multiple MIPI modules on the same MIPI bus and having the same USID can be solved, and the read-back capability of each sub-chip can be retained while reducing communication time, thereby facilitating comprehensive testing and debugging.

The invention provides a new energy power grid reactive voltage control method considering a dynamic response dead zone, and belongs to the technical field of power grid dispatching. The method comprises the following steps: at the beginning moment of a current control period, obtaining the sensitivity information of reactive power of a power plant station in a new energy power grid coordinated control area to bus voltage and initial operation state information, further obtaining the reactive voltage distribution state of the coordinated control area, and carrying out reactive voltage control strategy calculation on the power plant station to obtain a reactive voltage control strategy; obtaining a voltage set value of a control bus of the power station; judging the voltage regulation trend of the coordination control area and the reactive power regulation mark of the power station to obtain a dynamic voltage response dead zone of the control bus; and carrying out reactive voltage coordination control on the power station based on the voltage set value of the control bus and the dynamic voltage response dead zone. According to the invention, the problem of violent fluctuation of the reactive voltage of the power grid caused by competitive adjustment between plants and stations can be reduced, and the safe and stable operation level of the reactive voltage of the new energy power grid is improved.

The application discloses a domestic DSP core voltage management method, a circuit, equipment and a medium, and belongs to the domestic chip application field, and comprises the following steps: S1, an MSU sets a core voltage to a high voltage by default; S2, a function application program notifies the MSU of whether FFT and DMA will be simultaneously run when being initialized; S3, the MSU monitors whether a DSP chip core voltage needs to be set to a low voltage; if yes, the DSP chip core voltage is set to the low voltage, and S4 is performed; otherwise, S5 is performed; S4, the MSU sets the core voltage to the high voltage, and S6 is performed; S5, the MSU sets the core voltage to the low voltage, and S6 is performed; S6, the MSU collects and compares whether a Feiteng M6678 core voltage is consistent with the set value, and if not, the system is reported to control the Feiteng M6678 core voltage exception through a control bus. The application has the advantages of low power consumption, low cost and high reliability.

The invention discloses an intelligent monitoring and scheduling method for the operation state of a construction vehicle under complex conditions, and relates to the technical field of intelligent management of engineering vehicles. The method comprises the steps that data such as the vehicle position, the tire pressure temperature, the three-dimensional posture, the driver face image and the front environment video are collected and wirelessly transmitted to a management and control server; the management and control server processes the data, compares the data with a preset threshold value, generates tire pressure, posture, fatigue and collision risk signals and fuses the signals into a comprehensive risk assessment index; dynamically adjusting vehicle operation parameters (such as limiting speed), generating an optimal scheduling scheme through a scheduling algorithm, and sending an instruction to a vehicle-mounted controller; and the vehicle-mounted controller executes the instruction and adjusts the motor torque and the brake pressure through the control bus. The invention aims to solve the problems of state monitoring and dynamic scheduling of the new energy mine card in a limited network bandwidth and a complex mining area environment, and realizes safe and efficient operation management of construction vehicles under complex conditions.

The invention discloses a distributed control method applied to a large-size image sensor. The distributed control method comprises the steps that the image sensor is divided into a distributed master control area and a distributed slave control area; the sensor IO is connected with the distributed main control area through a first-level control bus; and connecting the distributed master control area and the distributed slave control area through a secondary control bus. According to the invention, the partition control problem of different areas of the large-size image sensor is solved.

The invention discloses a control and operation state feedback system for plasma equipment. The control and operation state feedback system comprises a data acquisition module, a data processing and transmission module and a plasma generation module, all the modules are connected with one another through electric signals, a control bus and a mobile network to form a complete closed-loop system for plasma control and operation state feedback. Through the system architecture of multi-parameter sensing, intelligent control, dual-mode communication and data security, the multi-target characteristic which cannot be considered by a traditional plasma control system at the same time is realized. The closed-loop control structure provided by the invention realizes automatic power adjustment and operation state adaptive control, and can significantly improve the stability and consistency of plasma output. In conclusion, the plasma control precision, the energy efficiency, the safety and the intellectualization are remarkably improved, and the high application and popularization value and the industrialization prospect are achieved.

The application relates to an intelligent deployment energy storage converter, which comprises a battery pack and a bidirectional converter module connected through a DC bus, a protection circuit and a control circuit, a DC output end of the battery pack is connected with a DC input end of the bidirectional converter module, an AC output port of the bidirectional converter module is connected with a power supply bus and then connected with a load circuit, the power supply bus is further connected with a main power supply, the battery pack and the bidirectional converter module form a bidirectional conversion power path; a DC output end of the protection circuit is connected with a DC input end of the bidirectional converter module through the DC bus, the protection circuit further has a DC input end and a DC output end; the control circuit is connected with the main power supply, the control circuit is connected with the protection circuit, the battery pack and the bidirectional converter module through a control bus to form a control communication path. The application constructs an AC-DC-AC power supply structure with seamless switching of multiple power supplies, and realizes seamless conversion of controlled switching.

The invention relates to the technical field of electron accelerators, and particularly provides a modular electron accelerator pulse modulator device. The device comprises a cabinet, a system main controller, a central dynamic energy pool and a power module cluster composed of N power modules. The power modules are installed in a pluggable mode through the backboard slots and form a hybrid cascade Marx topology through the series busbars. The system main controller is integrated with a digital twinborn calculation module, coordinates the central dynamic energy pool to execute non-uniform energy distribution on each power module through a control bus, and controls each module to pre-shape an output pulse waveform. And each power module comprises a module energy storage unit, a module power switch unit and a module fine tuning unit formed by a GaN FET, and is used for realizing nanosecond precision correction of a pulse waveform. According to the invention, through modularized and intelligent control, the problems of pulse waveform distortion, low energy efficiency and insufficient reliability of a traditional device are effectively solved.