14 results about "Real time processor" patented technology

The application is suitable for the field of automobile auxiliary driving technology, and provides a HUD controller simulation test system based on VTD, which comprises a HUD controller, a graphic workstation, an upper computer system and a real-time system; the HUD controller is a real test piece; the upper computer system comprises a test management module, a dynamics module and an acquisition monitoring module; the graphic workstation is an Ubuntu system-based workstation, and the VTD simulation platform is configured in the workstation; the real-time system module comprises a real-time processor, a bus communication module and a power supply simulation module. The system and method can effectively save test cost, have high flexibility, good safety, high repeatability, high time efficiency and comprehensive test conditions.

This invention discloses a sub-real-time processor, a real-time processor, and a system-on-a-chip (SoC). The sub-real-time processor includes: a control unit for generating corresponding control signals and sending them to other units; an instruction prefetching unit for acquiring instructions to be executed and sending them to an execution unit; an execution unit for acquiring a set interval time corresponding to the instruction to be executed and sending it to a comparison unit, and executing the instruction to be executed upon receiving a start execution signal; an interval time counting unit for counting pulses based on a time reference and acquiring the current interval time count value and sending it to the comparison unit; and a comparison unit for generating a start execution signal and sending it to the execution unit when it detects that the set interval time is equal to the current interval time count value. The technical solution of this embodiment, by employing an interval time counting unit, can achieve timed execution of instructions, thereby improving the timing accuracy and real-time performance of instruction execution.

The invention discloses a message transmission method and device, and relates to the technical field of communication. The method comprises the steps that an application processor core sends a shared memory creating request to a real-time processor core through Msgbox, and a Ping buffer area and a Pong buffer area of DMABuffer are created in a shared memory; the real-time processor core responds to a shared memory creating request of the application processor core, writes data into a current write buffer area of the DMABuffer, and notifies the real-time processor core through Msgbox; and the application processor core reads the data in the current read buffer area of the DMABuffer, and informs the real-time processor core to perform buffer area switching when reading is completed. The technical problem of low cross-core communication efficiency in the prior art is solved.

The invention discloses a multi-core real-time processing method, device and equipment and a storage medium, relates to the technical field of multi-core processors, and is applied to a multi-core real-time processing system.The method comprises the steps that an interrupt event is obtained; and distributing the interrupt event to a corresponding real-time processor through a multi-core cluster interrupt distribution unit and / or an internal interrupt source shared by a multi-core cluster, so that the corresponding real-time processor processes the interrupt event, according to the method and the device, the interrupt event can be allocated to the corresponding real-time processor through the multi-core cluster interrupt allocation unit and / or the internal interrupt source shared by the multi-core cluster, so that the corresponding real-time processor processes the interrupt event, and the real-time interrupt event and the multi-core interrupt event can be processed at the same time; the real-time performance can be improved, the resource distribution is optimized, and the interrupt event management operation is simplified.

The invention discloses an industrial label printer, a printing system and an industrial label defect detection method. The industrial label printer comprises a first processor, a second processor, a printing mechanism and a paper feeding and transmission mechanism, the first processor is a non-real-time processor and is used for receiving a printing instruction issued by the upper computer, analyzing a label format and visual content to generate printing dot matrix data, extracting and structurally outputting label visual content parameters, sending the printing dot matrix data to the second processor and sending the visual content parameters to the upper computer; the second processor is a real-time control unit which is electrically connected with the printing mechanism and the paper feeding and transmission mechanism, receives printing dot matrix data issued by the first processor, focuses on execution of paper feeding and transmission mechanism control, printing mechanism heating control and time sequence related control, and does not undertake complex format calculation, communication protocol analysis and / or content parameter output tasks. Therefore, the problems of resource competition and data decoupling of the single processor are solved from the architecture level.

The application relates to the technical field of HiL testing, and discloses a single and joint debugging HiL testing method based on multi-controller dynamic switching, which comprises the following steps: S1, configuring test parameters, selecting a test mode and a measured controller combination through an upper computer control unit, wherein the test mode comprises a single test mode and a joint debugging mode; S2, constructing a target test loop through a relay switch box according to the test parameters, wherein the target test loop is a single controller test loop or a multi-controller linkage loop; S3, running a simulation model through a real-time processor, generating simulation working condition signals and transmitting the simulation working condition signals to the measured controller, and realizing signal interaction between an integrated HiL test cabinet and the measured controller through IO board cards and communication interface cards; and S4, collecting feedback signals of the measured controller and operation data of the target test loop, uploading the feedback signals and the operation data to the upper computer control unit for analysis and processing to generate a test report, so that full coverage of single testing and joint debugging of multiple controllers is realized, and the completeness of the test is ensured.

The invention discloses a self-adaptive temperature regulation double reverse star rectifier transformer for hydrogen production, which relates to the technical field of electrolytic rectification and comprises an iron core, a first winding group, a second winding group, a temperature acquisition unit, a sectional cooling unit, a power phase distribution unit, a heat energy recovery unit and a control unit, and the control unit is an industrial real-time processor combination and is used for receiving data of the temperature acquisition unit and the electrical measurement unit and calculating a control instruction based on an online thermal field model and a short-time load prediction module. Through a regionalized high-resolution temperature sensing matrix and online thermal field reconstruction, high-resolution temperature field visualization and root positioning are realized, and the problems of extensive cooling control and unpredictable insulation aging caused by incapability of positioning local hot spots or temperature gradients in traditional few-point temperature measurement are solved. Deterministic input is provided for fine cooling and power distribution, local over-temperature events are reduced, and control precision is improved.

A programmable logic controller (PLC) system includes a PLC module connectable to an external device (19) and a data collection-analysis module (13). The data collection-analysis module (13) is connected to the PLC module through signal lines (16). The data collection-analysis module (13) includes a real-time processor (21) that is operable by a real-time operating system and performs, when target data collected from the PLC module through the signal lines (16) has a size less than or equal to a size threshold, a computation on the target data to generate control data for controlling the external device (19), and a general-purpose processor (31) connected to the real-time processor (21) to perform, when the real-time processor (21) does not perform a computation on the collected target data, a computation on acquired target data to generate the control data.

The utility model discloses a multi-platform compatible motor controller HIL test system based on dSPACE. Comprising at least three motor controllers which independently control corresponding motors, a PCI relay board card which is electrically connected with the at least three motor controllers through bus or hardwire signals, an FPGA module which is integrated with DI / DO, AI / AO and CAN bus interfaces and is in communication connection with the PCI relay board card, and a real-time processor which is used for operating test management software and is connected with the FPGA module. The system variable storage unit is used for storing real-time control parameters; and the PC terminal is used for adjusting system variables in the real-time processor. By integrating the FPGA module, the multi-core real-time processor and the PCI relay board card, the purpose of automatically switching test objects is achieved, and the test efficiency and reliability are remarkably improved.

The invention discloses an automatic testing method for a rear wheel steering system based on hardware-in-the-loop, and the method achieves the automatic importing of a test case, the automatic execution of a test process, the automatic evaluation of a test result and the automatic generation of a report in stages through the construction of a hardware testing platform and the combination of automatic software. Specifically, a hardware-in-the-loop test platform is constructed, an automatic test program is designed and at least comprises a test management module, a scene generation module, a data acquisition and analysis module, a result judgment module and the like, then test scene parameters are automatically loaded after initialization, and the test scene parameters are issued to a real-time processor and a rear wheel steering system; in the testing process, feedback of a rear wheel steering system and whole vehicle dynamic parameters are collected in real time, indexes are automatically analyzed, a testing result is evaluated, and finally a testing report is generated. The problems that an existing testing scheme is low in efficiency and coverage, high in cost and risk and difficult to simulate complex working conditions and fault working conditions are effectively solved, and the testing efficiency and reliability of the rear wheel steering system are remarkably improved.

The invention discloses an image processing method and system and a vehicle, and relates to the technical field of image processing, and the image processing method comprises the steps: dividing a target image processing task into a plurality of subtasks; according to the inherent characteristic information of each core processor in the multi-core chip, determining a target core processor corresponding to each sub-task in each core processor, and distributing each sub-task to the respective corresponding target core processor; each core processor performs data interaction based on a shared memory space set by the multi-core chip so as to execute each subtask in parallel; wherein each core processor comprises at least two of a central processor, a graphics processor, a neural network processor and a real-time processor. According to the invention, the image processing efficiency can be improved, so that the real-time performance of image processing is ensured.

The invention discloses a controller test system, method and device and a computer readable storage medium, and relates to the technical field of automobile testing, and the system comprises an HIL, an HIT and a tested controller. The HIL comprises a whole vehicle simulation model, a real-time processor, a communication board card and a test monitoring system; the whole vehicle simulation model is used for receiving test parameters and obtaining demand signals corresponding to the test parameters, and the demand signals are sent to the HIT through the communication board card after being processed by the real-time processor; the HIT is used for converting the demand signal into a physical signal which can be identified by the tested controller and transmitting the physical signal to the tested controller; the tested controller is used for receiving the physical signal and carrying out function logic processing based on the physical signal to generate a control response signal, and the test monitoring system is used for recording the control response signal so as to judge whether the control response signal meets the standard or not. And the reliability of a test result is improved, and the test cost is saved.

This invention provides an onboard real-time processing and broadcast distribution system and method. The method includes the following steps: S1: receiving probe data from the payload using an onboard real-time processor and generating product information; S2: sending the generated product information to a broadcast distribution terminal; S3: processing the product information in the broadcast distribution terminal; S4: performing a gating operation on the shaped and filtered L-band modulated signal to connect it to a solid-state amplifier; S5: amplifying the modulated signal and transmitting it to an L-band broadcast antenna; and S6: broadcasting the product information to ground users through the L-band broadcast antenna. This invention can meet users' needs for timely acquisition of satellite probe information products; the wide coverage of the broadcast distribution can meet the needs of all users within the satellite orbital arc for obtaining product information; and the system reliability is improved by implementing a single-unit cross-backup design scheme through an L-band microwave switch.

The invention discloses a fusion reactor solid-state switch network unit redundancy turn-off control method, and relates to the technical field of controllable fusion reactors. A redundant reverse turn-off unit formed by multiple groups of pulse capacitors and corresponding controllable switch devices is connected in parallel to two sides of a power device of a solid-state switch network unit, meanwhile, loop current is sampled in real time, and a loop current value after control delay is predicted based on a time sequence prediction model. And according to the predicted current, selecting a corresponding pulse capacitor unit to perform reverse discharge, thereby realizing accurate control of the reverse turn-off current amplitude. The arithmetic unit adopts a double-processor architecture, the real-time processor is used for executing prediction model reasoning and turn-off control, and the high-performance processor is used for performing online learning and parameter updating on a prediction model and periodically issuing model parameters to the real-time processor. According to the invention, the turn-off success rate can be improved when the power device fails to be turned off or is turned off abnormally, and the robustness and reliability of the system are enhanced.