33 results about "Control bus" patented technology

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.

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 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 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.

This application relates to the field of electromagnetic propulsion technology, specifically disclosing a double-sided long stator linear drive system, including multiple subsystems and a main controller. Each subsystem includes an equal number of linear motor stator segments, six-phase switches, position detection devices, a common AC bus for the subsystem, and a subsystem control bus. The linear motor stator segments are connected to the common AC bus of the subsystem through corresponding six-phase switches, and then connected to the system common AC bus formed by the subsystem bus interfaces, which is connected to a six-phase converter composed of three-phase converters distributed in each subsystem. Each position detection device is connected to the system control bus through the subsystem control bus, and then to the main controller. The main controller controls the switching of each linear motor stator segment according to the installation order of the subsystems and the running position of the linear motor mover measured by the position detection devices. The subsystems can be randomly ordered and assembled without affecting the system operation, exhibiting good mobility.

The application belongs to the technical field of cleaning unmanned aerial vehicles, and discloses a multi-mode intelligent cleaning unmanned aerial vehicle system suitable for photovoltaic panels; the system comprises an unmanned aerial vehicle and a cleaning control unit; the unmanned aerial vehicle is provided with an infrared vision sensor, a laser radar and a cleaning module; the cleaning module is arranged at the bottom of the unmanned aerial vehicle; the cleaning control unit comprises an AI control navigation module; the AI control navigation module is arranged at the central position of the unmanned aerial vehicle body and connected with a flight control bus; the infrared vision sensor and the laser radar are fused to accurately identify the contaminated area; in combination with the parameterized control of the cleaning execution mechanism, the system can maintain good coverage and adhesion under the wind field, reduce the consumption of cleaning agents and water, and improve the cleaning quality and system reliability.

Instrument control system (100) which is at least partially arranged in a vehicle and comprises the following: a data storage device (113); a processor (101) which communicates with both the data storage (113) and a control bus (111) of the vehicle; a display (103) which communicates with the processor (101) via a display channel (104) which has a maximum transmission bandwidth, wherein the display (103) receives display data from the processor (101) with a first transmission bandwidth which is less than the maximum transmission bandwidth; and an instrument cluster (105) comprising several instruments (107) which communicate with the processor (101) via the display channel (104), wherein the several instruments (107) include at least one of the following: a general-purpose input / output expander (107a), a stepper motor driver (107c), a speedometer, a tachometer, an engine thermometer, a fuel gauge or a warning tone generator; wherein the multiple instruments (107) jointly receive data from the processor (101) with a second transmission bandwidth that is not greater than the difference between the maximum transmission bandwidth and the first transmission bandwidth, and the processor (101) is capable of controlling each of the multiple instruments (107); wherein the unused bandwidth of the display channel (104) forms a return channel (109) between the processor (101) and the instrument cluster (105); wherein the instruments (107) using the return channel (109) have common bandwidth requirements which are less than the difference between the maximum transmission bandwidth and the first transmission bandwidth, the second transmission bandwidth is used for the exchange of control data between the processor (101) and the instrument cluster (105).

This application provides an audio control circuit, an audio control method, an electronic device, and a storage medium, relating to the field of audio technology. The audio control circuit includes a processor and multiple audio codecs. The multiple audio codecs are electrically connected to the processor via a common audio bus, enabling the processor to transmit audio data with the multiple audio codecs through the audio bus. Furthermore, each audio codec is electrically connected to the processor via its own corresponding control bus, allowing the processor to control the operating state of each audio codec through the control bus. Therefore, for electronic devices supporting multiple audio device access, the sharing of a common audio bus by multiple audio codecs significantly reduces the number of audio interfaces used by the processor and the audio bus itself, thereby improving the utilization of the processor's I / O resources and saving processor hardware resources. Furthermore, it reduces design complexity and the difficulty of power consumption control.

This invention discloses a control method and system for emergency energy storage power supplies, relating to the fields of electrical automation and energy storage control technology. The method includes the following steps: S001, establishing a coupled observation baseline between the electromagnetic field and the control bus signal; by constructing a reflection probe sequence with the same frequency as the control bus signal, collecting and reconstructing the bit edge signals generated during communication, and generating an interference map; S002, based on the interference map, analyzing the start and end positions of the data frame, bit sampling nodes, and edge transition trajectories, extracting unique phase fingerprints, and constructing an interference feature library to identify interference sources and their frequency bands that cause signal aliasing and sequence inversion. This invention achieves interference source identification and signal reconstruction by constructing an interference map using reflection probes, extracting phase fingerprints, and establishing an interference feature library; combined with time delay calibration, reliability assessment, and conjugate protection, it constructs a multi-path redundancy control mechanism to ensure the control stability and execution safety of the emergency energy storage system under electromagnetic interference environments.

The utility model provides a hidden emergency stop switch for robot, including robot body, is equipped with movable vertical slot and emergency stop handle structure in the back of robot body, one end of emergency stop handle structure is fixedly provided with movable control pull rod, movable control pull rod is movably arranged in movable vertical slot, and the other end of emergency stop handle structure is movably connected on robot body, the bottom wall of movable vertical slot is provided with electric contact A, the bottom of movable control pull rod is provided with electric contact B, electric contact A and electric contact B are used for connecting control bus or power supply respectively, and the inner wall of movable vertical slot and movable control pull rod are further provided with traction reset parts, which are used for providing traction force to control the close contact of electric contact A and electric contact B. The utility model has the advantages of simple structure, no influence on the appearance of robot, and easy to realize quick emergency stop and power-off of robot.

This utility model relates to a car surround display system, comprising: a surround display stand, a display screen disposed on the surround display stand, and a display stand control subsystem electrically connected to the display screen and a control bus of a target vehicle; the surround display stand is used to place the target vehicle; the display stand control subsystem is used to control the display screen to play a 3D image corresponding to any driving operation determined by the target vehicle based on any driving operation, wherein the 3D image corresponding to any driving operation is used to simulate the environmental changes of the target vehicle performing the driving operation in a target scene. This utility model can simulate the environmental changes of the target vehicle performing any driving operation in a target scene through 3D images, allowing users to obtain the driving experience of the target vehicle moving in the target scene, thus improving the realism of the user experience when displaying the target vehicle.

An emergency stop mechanism for a robot comprises a fixed base and an emergency stop pulling structure, a movable vertical groove is formed in the end of the fixed base, the emergency stop pulling structure is provided with a movable connecting column, the movable connecting column is movably installed in the movable vertical groove, a conductive contact A is arranged on the bottom wall of the movable vertical groove, and the conductive contact A is connected with the movable connecting column. A conductive contact piece B is arranged at the bottom end of the movable connecting column, the conductive contact piece A and the conductive contact piece B are used for being connected with a control bus or a power source respectively, and a traction reset part is arranged between the fixed base and the sudden stop pulling structure and used for providing traction force to control the conductive contact piece A and the conductive contact piece B to be in close contact fit. The emergency stop device is simple in structure, and can also quickly realize emergency stop and power failure in the irregular movement process after the robot breaks down.

The application relates to the technical field of intelligent networked vehicles and discloses a portable automobile OTA automatic test method and device and a storage medium. The method is based on an industrial power supply, a small industrial computer, a relay and a bus message transceiving module to construct a test system, and the industrial power supply module uniformly supplies power. The small industrial computer module first controls the bus message transceiving module to establish communication with a test product, sends bus test cases and repeats the sending to a preset number of times, then sends fault test cases, collects two types of data to generate first test information, then controls the relay module to establish control connection with the test product, sends control test instructions, collects action execution data to generate second test information, and finally integrates the two types of information to generate a test report. The application realizes OTA upgrade bus communication, fault tolerance and full-dimension automatic test of hardware interaction, is suitable for portable hardware design, breaks through the limitation of a traditional test scene, can flexibly carry out bench and real vehicle tests, and improves test efficiency.

The present disclosure relates to semiconductor packages including memory dies. A semiconductor package includes a first data memory die configured to share a first control bus and a first data bus, the first data memory die belonging to a different rank; a first error correction memory die configured to share the first control bus with the first data memory die and connected to a first error correction bus; a second data memory die configured to share a second control bus and a second data bus, the second data memory die belonging to a different rank; and a second error correction memory die configured to share the second control bus with the second data memory die and connected to a second error correction bus.

The invention relates to electrical engineering, specifically relay protection, and can be used as a busbar protection device for power plants in a 4 / 3 configuration with nine connections. The technical result is to prevent unit shutdown and complete power plant shutdown in the event of a short circuit on the busbar, when the busbar protection is triggered but the busbar circuit breaker and the adjacent circuit breaker fail, thereby preventing the power plant from shutting down. A device for protecting the busbars of an electric power station in a 4 / 3 scheme with first and second buses, between which three chains are connected, each with a first, second, third and fourth switch, connected in series, where the first switches are connected to the first busbar, and the fourth to the second, and between the first and second switches of the extreme left and right chains the first and second power transmission lines are connected, respectively, between the third and fourth switches the third and fourth power transmission lines, between the second and third switches the first and second generator-transformer units, and in the middle chain between the first and second switches an autotransformer is connected, between the second and third the fifth line, between the third and fourth - the third generator-transformer unit, contains a series-connected measuring element, a logic unit and a relay with four contacts, three of which are connected to the trip coils of the first switches, the relay of the "On" positions of these and the second switches, Output relays for the primary circuit breaker and control bus failure backup devices, three four-input AND gates, the output of each of which is connected via a time relay to the corresponding output relay, the first, second, third, fourth, fifth, and sixth intermediate relays with normally-closed contacts with a time delay upon failure and normally-open contacts, three pushbuttons, and six signal lamps. Economic benefit: a large number of consumers will not lose power.

The application discloses a two-bus bidirectional time width modulation communication method and system, and relates to the technical field of industrial measurement and control and communication; the method comprises the following steps: grouping and mapping to-be-sent data according to a preset bit number into corresponding pulse duration; a master station unit sends data to a slave station unit by controlling the duration of bus voltage jump; the slave station unit uploads data to the master station unit by controlling the duration of load current jump; a receiving end decodes data by measuring pulse width; and the two buses realize direct current power supply and bidirectional communication simultaneously. The application encodes data in the dimension of pulse duration, effectively isolates amplitude interference, and significantly improves the anti-interference ability and communication reliability of the system in a complex electromagnetic environment.

This invention relates to the field of electronics and communication technology, and discloses a signal processing system and signal generation and transmission method based on a heterogeneous processing platform. The system includes a host computer, a main control processing module, a dedicated signal processing module, a digital-to-analog converter (DAC) module, an analog-to-digital converter (ADC) module, and a radio frequency (RF) front-end. The main control processing module integrates a programmable logic unit (PLU), a processing system unit, and an on-chip memory module. The host computer is connected to the PLU via a first high-speed external bus and to the processing system unit via a first control bus. The dedicated signal processing module is connected to the PLU via a second high-speed external bus and a second control bus, respectively. Both the PLU and ADC modules are controlled by the PLU, and the output and input terminals of the PLU are connected to the RF front-end. This invention is compatible with processor hardware environments that do not support RapidIO messages, offering high transmission rates and low pin usage.

A current limiter for a power supply of a lighting control bus is disclosed. The current limiter comprises a first switch arranged in series in a current path of the lighting control bus. The first switch is configured to gate a current of the lighting control bus in dependence on a voltage applied to a control terminal of the first switch. The current limiter further comprises a voltage divider connected in parallel with the current path. The current limiter further comprises a second switch interposed between the control terminal of the first switch and an outer terminal of the voltage divider. The second switch is configured to shunt the voltage applied to the control terminal of the first switch in dependence on a current flowing into a control terminal of the second switch. The current limiter further comprises a zener diode interposed between the control terminal of the second switch and an inner terminal of the voltage divider.

The utility model discloses an OLT equipment based on optical module standard package adopts standard SFP+ / XFP package shell, contain: SC / LC optical interface connection TO package's 1577nm electric absorption modulation laser, 1490nm distributed feedback laser and integrated TIA's 10G / 1.25G APD detector, laser drive unit contains input buffer and pre -drive circuit, burst receiving unit contains burst across resistance amplifier and limiting amplifier circuit, contain the XGSPON / XGPON / GPON MAC processing and management chip of meeting ITU-T G.9807.1, ITU-T G.987.1 and ITU-T G.984.x protocol specification through high -speed SerDes link connection support XGMII / HSGMII / SGMII interface's ethernet switch chip, and the equipment control unit integrates SFP+ / XFP management interface, and the golden finger interface circuit is directly connected switch chip through circuit board transmission line, and each unit is connected through optical fiber channel, circuit wiring and control bus, realizes OLT function modularization integration, reduces the deployment cost and power consumption.

The present disclosure discloses an add in card, a motherboard, a computer, a method of transmitting data, a device, and a non-volatile readable storage medium, and relates to the field of computer technology. An add in card body, and a first connector and a second connector which are arranged on the add in card body are included. A control bus transmission end of the first connector is connected with a control bus transmission end of the second connector. A data bus transmission end of the first connector is connected with a data bus transmission end of the second connector. A serial port communication end of the first connector is connected with a serial port communication end of the second connector.

A method for controlling an electromagnetic actuator, comprising the steps of: - applying (102) a first control strategy in which a first switch and a third switch remain in a closed state, while a second switch is switched between its open state and closed state; - detecting (104) the occurrence of an excessive consumption of current in the coil by detecting that a voltage measured on a control bus has exceeded a predefined voltage limit or by detecting that the duty cycle of the second switch has fallen below a threshold value; - in response, applying (106) a second control strategy instead of the first control strategy, in which the third switch is periodically opened in order to reduce the current supplied to the coil.

A control method for a bus device power source, a device, a storage medium and an electronic device. The method comprises: detecting a power supply state of a connected bus device power source, wherein the power supply state is used for indicating the relationship between a voltage outputted by the bus device power source and a target voltage threshold (S202); if the power supply state is used for indicating that the voltage outputted by the bus device power source is less than or equal to the target voltage threshold, detecting a target object where a target fault causing the power supply state is located and a target fault type of the target fault on the target object, wherein the target object is a bus device or the bus device power source (S204); and controlling the operation of the bus device power source on the basis of the target object and the target fault type (S206). The control method solves the problem of low safety of operation of a bus device power source, thereby improving the safety effect of the operation of the bus device power source.

This invention relates to the field of control technology, specifically to an optimized control system for abnormal operating conditions of a mine booster pump. The system includes an operating condition identification module, a safe zone dynamic adjustment module, a recovery cycle planning module, a self-learning compensation module for operating characteristics, an attenuation estimation module, and a smooth control output module. These modules are connected via a control bus. This invention constructs time-dependent temporary reference values ​​through the safe zone dynamic adjustment module and the recovery cycle planning module, and combines this with an exponential adaptive attenuation mechanism to achieve dynamic planning of the abnormal recovery path. Furthermore, this invention constructs an online input-output mapping update mechanism through the self-learning compensation module for operating characteristics, and generates compensation amounts when changes in the mapping relationship are detected. Simultaneously, it combines this with the attenuation estimation module to proportionally correct changes in driving capability, achieving dynamic adaptive correction of the control model.

Hardware-based device for real-time acoustic condition monitoring in software-defined vehicle systems, comprehensive at least one acoustic sensor unit for detecting structure-borne and airborne sound signals from at least one vehicle component, a signal preprocessing unit with analog-to-digital converter and fixed filter architecture for frequency selection and noise reduction, an AI processing unit with a dedicated accelerator processor for executing a trained neural network for state classification, a volatile and a non-volatile memory for storing model parameters, reference patterns and system configuration data, an internal, access-controlled bus architecture for connecting the aforementioned units, as well as a communication interface for transmitting a deterministically generated state parameter to a vehicle control architecture, where the signal preprocessing unit and the AI ​​processing unit are integrated on a common physical support structure and form a closed, real-time capable processing chain.

This invention provides a predictive maintenance method and system for medical imaging equipment, belonging to the field of intelligent operation and maintenance of medical equipment. The method includes: using a bypass monitoring system to acquire the main power supply circuit electrical signal and the external temperature signal in a non-invasive manner; extracting the exposure time window set and constructing a heat dissipation input sequence and a cooling heat extraction proxy quantity; establishing an equivalent two-node thermal network; estimating the core equivalent temperature and the shell equivalent temperature based on the heat input sequence and the cooling heat extraction proxy quantity; performing online parameter updates on the equivalent thermal resistance and cooling efficiency coefficient based on temperature observations; and performing opportunistic adaptive calibration by identifying natural idle and cooling decay windows; finally, outputting predictive maintenance results and auditable results with signature storage based on the core equivalent temperature. This invention solves the problem of the difficulty in directly measuring the internal critical thermal state, achieving closed-loop monitoring and auditing of thermal risks during natural operation without access to the control bus.

This invention discloses a synchronous parallel bus communication method based on three control lines, comprising: S1, determining the default state of all signal lines and initializing the first, second, and third control signal lines, clock signal line, and data signal line; S2, the device is in a receiving state and continuously listens to the control signal lines on the bus; S3, if a valid data frame is detected, it is stored in the receiving queue; S4, if the device needs to send data, it controls the bus and enters the arbitration segment according to the level of the data to be sent; S5, the device sends its own node arbitration ID to participate in bus arbitration; S6, the arbitration result is judged; S7, the device controls the bus and sends data in sequence according to the information segment, data segment, check segment, and response segment; S8, the sending status is monitored and corresponding operations are performed according to the sending result; this invention adopts a preemptive bus, a hybrid priority and a dual-mode arbitration mechanism, and dynamic preemptive arbitration meets real-time control requirements, improving bus utilization and system response speed.

The utility model belongs to power supply circuit technical field, and its purpose lies in providing a kind of power supply system for multi-node server.The technical scheme is: a kind of power supply system for multi-node server, including power module assembly and multiple power supply management modules, the power output end of each power module in the power module assembly and the power input end of multiple power supply management modules are all electrically connected with direct current bus, the power-on signal input end of the power module assembly and the power-on signal output end of multiple power supply management modules are all electrically connected with power-on control bus, the power output end of multiple power supply management modules and the power input end of multiple arithmetic units of multi-node server are connected one by one, the communication signal transmission end of multiple power supply management modules and the communication signal transmission end of multiple arithmetic units of multi-node server are connected one by one.The utility model can realize the effect of multiple power module parallel power supply, load sharing and fault redundancy.

This invention discloses a 5-axis scanning method and apparatus for measuring the full surface morphology and roughness of a rotating body. It includes a fixed, immovable bridge structure; movable X, Y, and Z guide rails forming an X-Y-Z three-dimensional linear motion and positioning system; a rotating platform forming an θ-β two-dimensional rotational motion and positioning system; a flat plate / vibration isolation table serving as the mounting and fixing plate for the scanning system; and the axis of the Y guide rail passing through the rotation center of θ. The Y guide rail adjusts the position of the specimen's rotation center and aligns it with the rotation center of θ to complete specimen positioning. The movement of all guide rails is controlled by a computer via a control bus. The advantages of this invention are that it employs non-contact measurement, enabling simultaneous measurement of the profile and roughness of a rotating body specimen using a ranging laser probe and a measuring laser probe, improving measurement efficiency and accuracy. The wear-free probe ensures a long service life, which is beneficial for promoting the multifunctional and intelligent development of testing instruments.

A system may include a plurality of master lighting modules and a fixture controller. The fixture control may include a power converter circuit that is configured to generate a bus voltage on a power bus. The plurality of master lighting modules may be serially-coupled on the power bus. The fixture controller may include a control circuit that is configured to receive an indication of a magnitude of an end bus voltage at an end master lighting module. The end master lighting module may be the master lighting module that is located furthest from the fixture controller along the power bus. The control circuit may be configured to generate a target bus voltage control signal based on the magnitude of the end bus voltage. The power converter circuit may be configured to control a magnitude of the bus voltage based on the target bus voltage control signal.

This invention relates to a modular voltage regulator and its control method, as well as a DC power supply system for new energy power. The voltage regulator circuit of the voltage regulator adopts a modular design, and the voltage regulator modules are switched on and off in priority according to the predicted or measured load of the control bus. The voltage regulator controller controls the output of the voltage regulator circuit through the feedback control parameters of the DC / DC converter unit. When the charging circuit is in floating charging or equalizing charging state, the corresponding set feedback control parameters are used. When the charging circuit is in a locked state, the feedback control parameters are determined by the predicted results of the DC bus load or the DC bus load and load change rate, as well as the real-time energy storage of the energy storage circuit. This invention achieves dynamic optimization of the control model and control function, which is beneficial to improving output characteristics, extending product life, and is suitable for applications with limited space and relatively harsh environmental conditions, such as offshore wind power. It can mainly be used as an uninterruptible DC power supply for new energy power systems.