8results about How to "Meet collection needs" patented technology

The application provides an image recognition-based personalized gait intention recognition method and system, and relates to the technical field of gait intention recognition.The application collects an infrared image pair and a distorted infrared image through a binocular infrared camera integrated with an equipment, respectively calculates and generates two depth maps, and performs weighted fusion to obtain a three-dimensional depth map of an environment under the feet of a user; multi-scale geometric analysis is carried out on the three-dimensional depth map, geometric features are extracted, and a multi-scale environment geometric feature tensor is generated; the tensor is input into a multi-task processing link, and user landing area semantic segmentation is executed in parallel, foot trajectory prediction is combined with real-time posture and historical gait of the user; according to the matching relationship between the semantic segmentation graph and the trajectory prediction sequence, the exploratory or confirmatory landing intention of the user is judged, corresponding intention instructions are generated, the personalized gait landing intention of an exoskeleton wearer can be accurately and robustly recognized, and reliable instruction basis is provided for intelligent control of the exoskeleton.

This invention belongs to the technical field of switch quantity acquisition devices, specifically relating to a switch quantity acquisition and synthesis device. The invention includes an embedded monitoring host, which establishes a bidirectional data connection with the switch quantity acquisition and synthesis module through a main communication module; the embedded monitoring host receives and parses the switch signals acquired by the switch quantity acquisition and synthesis module in real time; the embedded monitoring host is connected to a display module, which dynamically displays the open / closed status and alarm status of each switch; the embedded monitoring host transmits switch fault signals to a lower-level monitoring host through the main communication module; and a data processing unit, with a built-in analog-to-digital conversion circuit and protocol conversion chip, is connected to the embedded monitoring host through the main communication module. This invention features a simple structure, convenient wiring, high integration, high reliability, good scalability, and low cost.

The application provides a data collection timing task scheduling method and device, the method comprises the following steps: in the case of determining that the timing task scheduling service is started, the task parameters of a newly-built data collection timing task are acquired; in the case of the number of existing data collection timing tasks in execution not exceeding a first preset value, the identification information of the newly-built data collection timing task is taken as a key value, and a Redis lock corresponding to the newly-built data collection timing task is created; in the case of determining that the Redis lock corresponding to the newly-built data collection timing task is successfully created, the execution of the newly-built data collection timing task is started. The data collection timing task scheduling method and device provided by the application can more simply and efficiently add a newly-built data collection timing task, can more flexibly configure the execution period of the newly-built data collection timing task, and can more flexibly dynamically collect rail transit operation data, thereby better meeting the collection requirements of rail transit operation data.

This invention discloses a high frame rate cooled infrared thermal imager, aiming to achieve high frame rate output for high-resolution cooled infrared thermal imagers, applicable to high-definition observation of high-speed targets or targets on high-speed moving vehicles. It includes an image detection module, an analog signal processing module, and an FPGA module. The image detection module includes infrared target radiation, an infrared lens, and an infrared detector. Infrared target radiation enters the infrared lens and is captured by the infrared detector, resulting in infrared image acquisition. The acquired high frame rate infrared image data is then transmitted to the analog signal processing module. The analog signal processing module includes a high-speed signal conditioning circuit and a high-speed analog-to-digital conversion circuit. The high-speed signal conditioning circuit is a high-bandwidth operational amplifier circuit, and the high-speed digital-to-analog conversion circuit is a high-speed AD conversion circuit. This invention achieves high frame rate output for high-resolution cooled infrared thermal imagers, specifically a 200Hz frame rate output for a 1280*1024 cooled infrared thermal imager, meeting the requirements of high-speed image acquisition.

The utility model discloses a multichannel thermocouple signal acquisition system, and mainly solves the technical problems of high cost and complex data summarization processing of an existing temperature measurement system. The number of input channels of the multi-channel analog switch module is not less than the number of temperature measurement points to be measured, and the thermocouples are electrically connected with the corresponding input channels of the multi-channel analog switch module correspondingly through amplification compensation modules. The analog-to-digital conversion module, the signal isolation module and the controller are electrically or communicatively connected to the downstream of an output channel of the multi-channel analog switch module in sequence; and a corresponding output port of the controller is correspondingly and electrically connected with a channel selection port of the multi-channel analog switch module through the signal isolation module. The problems of multi-point temperature measurement and system expansion are solved through channel time division multiplexing, and the flexibility of the system and the special requirements of modules can be improved.

The invention provides an XCP configuration system and method based on an AUTOSAR architecture, a storage medium and a computer program product, and the method comprises the steps: automatically analyzing an A2L file and AUTOSAR description of a target ECU, obtaining XCP configuration basic data, analyzing access characteristics and resource demands of calibration signals or parameters in the XCP configuration basic data, and pre-judging dynamic extension demands, an AUTOSAR parameter configuration file based on ECU resource constraint is generated; and constructing a virtual resource pool according to the AUTOSAR parameter configuration file, receiving a DAQ list configuration request sent by an upper computer based on the virtual resource pool, executing dynamic resource allocation based on XCP configuration basic data, responding to a preset trigger event, and completing data acquisition and transmission preparation by utilizing pre-established direct memory mapping. According to the dynamic adaptive allocation method, the ECU resource utilization rate is improved, configuration errors and conflicts are reduced through hierarchical verification, and the real-time performance of collection and transmission is improved through direct memory mapping.

The utility model discloses a kind of adjustable arrangement device for electric bicycle fire experiment sensor, belong to fire safety testing equipment field.The device includes ground fixed assembly, detachable top frame and sensor positioning assembly, adopt tenon-and-mortise structure connection, realize quick assembly and disassembly by modularization design, through square steel, rectangular connecting piece and "U" steel sheet sleeve nesting form spacing accurate sensor positioning matrix, without bolt, rivet or other fastener can complete quick disassembly, and electric bicycle can be freely placed in device below.The device solves the problem that sensor point arrangement is random and inaccurate, sensor height is fixed, and sensor fixed support is inconvenient to disassemble in existing electric bicycle fire experiment, and is suitable for multi-scene electric bicycle fire parameter acquisition.

A dynamic packet capture method, apparatus, electronic device, and storage medium, relating to the field of network security technology, are disclosed. The method includes: establishing a memory policy runtime table in the main control process, serving as the sole authoritative source for all packet capture tasks; upon receiving a temporary packet capture task request triggered by anomaly detection rules, creating and maintaining corresponding temporary capture task information in the memory policy runtime table and the kernel's eBPF flow hash map table, without persistently writing it to a configuration file; serially updating the memory policy runtime table through a unique execution coroutine within the main control process, and issuing task control instructions to the packet capture plugin via narrow instruction set; and receiving and parsing the task control instructions through an independent execution coroutine within the packet capture plugin, updating the eBPF flow hash map table in an idempotent manner to trigger or stop packet capture. Implementing this technical solution improves the reliability and efficiency of packet capture.