17 results about "Safety specification" patented technology

The invention provides an intelligent construction site safety monitoring and early warning method and system, and the method comprises the steps: fusing the multi-source data, such as personnel positioning, equipment state and environment parameters, and building a structured time sequence feature set with spatial semantic annotation; constructing a symbolized rule base in combination with a field safety specification; applying a dynamic graph attention network, dynamically modeling personnel, equipment, environment nodes and an interaction relationship thereof, and deducing potential causal association strength between spatial entities; through path semantic distillation and anti-fact intervention, a compliant and accurate multi-stage causal reasoning path is formed, and key risk nodes and propagation channels are visualized in a three-dimensional BIM scene; and finally, dynamic early warning event generation and natural language interpretation are realized, model closed-loop optimization based on field feedback is supported, and the timeliness, interpretation and adaptive capability of construction site safety risk discovery are improved.

The invention discloses an infrastructure operation scene personnel safety early warning method and system based on multi-modal fusion, and relates to the field of safety early warning, and the method comprises the steps: analyzing video data to obtain behavior action sequence features, analyzing positioning data to obtain space activity track features, and analyzing sound data to obtain environment event features; matching the behavior action sequence features, the space activity track features and the environment event features with an operation scene feature library, and determining the operation type, the operation area attribute and the operation environment state of the current scene; calling a target security rule set from a security specification library; according to the target security rule set, performing logic correlation analysis on the behavior action sequence features, the spatial activity track features and the environmental event features to obtain an anomaly analysis result; and generating a corresponding early warning signal based on the abnormal analysis result. By implementing the method, the accuracy of safety early warning of the personnel in the capital construction operation scene can be improved.

The invention relates to the technical field of construction safety management, and particularly discloses an AI intelligent business line construction safety practical operation evaluation system, which is characterized in that a collaborative evaluation environment fusing a three-dimensional virtual scene and a live-action operation site is constructed, multi-modal behavior data of an evaluated object is acquired, and a dynamic feature set is established; extracting behavioral specification feature vectors by adopting a feature analysis technology and generating a post capability evaluation atlas; establishing an operation behavior-safety specification association model based on the atlas, and obtaining a comprehensive ability portrait by decoupling individual operation skills and team cooperation efficiency; constructing a multi-dimensional evaluation space by using the comprehensive ability portrait and the role attribute parameters, and performing cross-role information fusion and collaborative efficiency evaluation by using a deep neural network to generate a practical evaluation score; and finally, a post qualification authentication result is generated based on the score, a dynamic evaluation standard library is established, and the evaluation weight is adaptively adjusted according to the railway safety regulation update.

The invention relates to a transformer substation high-resistance sleeve safe operation protection tool which comprises a left square frame, a right square frame and hooks installed on the left square frame and the right square frame, the left square frame and the right square frame are fixedly installed on a high-resistance partition wall, a cable is connected between the hooks of the left square frame and the right square frame, and a safety belt is hung on the cable. According to the method, drilling or welding does not need to be conducted on high-resistance equipment, damage to the equipment structure is avoided, and the construction difficulty and risk are reduced. Due to the fact that the installation process is simple, the construction amount is greatly reduced, the power failure time is shortened, and the working efficiency is improved. The installation of the square frame and the steel cable does not affect the appearance of the equipment, and the substation facilities are kept clean and beautiful. And the method completely conforms to the safety specification of'safety belts are hung at high positions and used at low positions', and the safety of operators is ensured.

The invention provides a construction violation operation real-time monitoring method and system and a medium, and relates to the technical field of computers. The method is applied to a construction violation operation real-time monitoring system, the system comprises a violation recognition engine and a dynamic rule engine, and the method comprises the following steps: configuring construction violation operation recognition rules and space conditions thereof through the dynamic rule engine, and sending the construction violation operation recognition rules and the space conditions to the violation recognition engine, and the violation recognition engine judges whether corresponding construction violation operation occurs in the corresponding space condition on the construction site according to the monitoring video stream of the construction site and the construction violation operation recognition rule, and if yes, the violation recognition engine controls to send out construction violation operation early warning information. Through the dynamic rule engine, the user is allowed to dynamically configure violation rules and customize violation behaviors and judgment conditions according to construction project characteristics and safety specifications, so that the system can flexibly adapt to diversified construction scene requirements.

The invention discloses a digital twinborn management and control platform and method for the whole operation process of a transformer substation, belongs to the technical field of transformer substations, and aims to solve the problems that the management and control of the operation process are lacked, the accurate position and action track of an operator in a three-dimensional space cannot be tracked in real time, and dynamic safety distance early warning cannot be performed with a live equipment area. Comprising the steps of importing operation task information based on a digital twin three-dimensional basic model of a transformer substation, constructing a digital operation process model, and obtaining a safety result through comparison of a geometric collision detection algorithm and a safety specification database based on the digital operation process model according to a safety measure model library. Automatically checking whether the arrangement positions and the number of the safety measures and the distance between the safety measures and the electrified equipment meet preset requirements or not; through virtual arrangement and automatic verification, omission or violation of manual arrangement is avoided, the safety accident risk caused by improper safety measures is remarkably reduced, and digital management and control of the safety measures are achieved.

The utility model discloses a sectional type pre-embedded device and an assembly type building. The sectional type pre-embedded device comprises a lower embedded part and an upper component. The lower embedded part is provided with an embedded section embedded into the base plate and an outward extending section extending out of the base plate, and correspondingly, the outward extending section of the lower embedded part is detachably connected with the upper component; and a first construction area extending upwards from the outer extending section of the lower embedded part to the joint of the upper component and the lower embedded part and a second construction area located above the joint of the upper component and the lower embedded part are formed by taking the joint of the upper component and the lower embedded part as a boundary. The fabricated building comprises the sectional type pre-buried device. When the lower embedded part is pre-embedded in the base plate, the reinforced concrete layer is formed on the base plate through the first construction area, so that the pre-embedded depth of the lower embedded part meets the technical requirements of safety specifications, and the quality safety risk is avoided. The lower embedded part can be manufactured in advance, connection between the lower embedded part and the upper component is achieved through mechanical connection during site construction, operation of constructors is simplified, and construction is more efficient.

The utility model discloses a film guiding device suitable for rubber withdrawal of guide cutting machine, including fixed bolster, and fixed bolster includes two first connecting plates and first length board, and the both ends fixed connection of two first connecting plates opposite one side one end with the both ends of first length board, and the middle part mounting of first length board has cylinder body, and the utility model discloses a film guiding device suitable for rubber withdrawal of guide cutting machine, through setting cylinder body, roller bracket and roller assembly, and cylinder body pushes roller bracket from one side, and guiding assembly is relative to fixed bolster and slides, and increases the film guiding device of rubber withdrawal of guide cutting machine, so that the rubber can accurately fall to the top of rubber disc of rubber withdrawal, realizes the automatic control of material withdrawal, and the film is guided to the specified position in guiding device automatically, reduces manual operation, guarantees the purity of rubber material, prevents the film from contacting the ground or equipment in the material withdrawal process, avoids the admixture of impurities, improves product quality, reduces the risk of injury, and conforms to the safety specification.

The application discloses an AI vision-based water transportation construction project safety hidden danger intelligent monitoring method and system, which comprises the following steps: A1, collecting water pile foundation construction video stream data and water transportation safety specification text data and respectively preprocessing; A2, extracting water pile foundation construction basic features and small target feature gain weight, and then calculating motion trajectory mask matrix and time sequence fusion features; A3, sequentially extracting water transportation scene structure mask matrix and water pile foundation construction features after physical constraint, and generating safety hidden danger behavior features; A4, extracting initial text features and weighted text features, and then performing cross-modal fusion; A5, calculating behavior compliance matching degree; A6, calculating behavior compliance results, and extracting corresponding contents in the preprocessed water transportation safety specification text data; the application can solve the problems of poor water transportation construction project safety hidden danger identification precision and difficulty in linking safety specification text in the prior art.

The application provides an automatic operation and maintenance control method for a photovoltaic power station drawer type AC power distribution cabinet, relates to the technical field of automatic control of electric power equipment, and has the beneficial effects that: (1) the standardized coordinate library and the automatic action sequence are constructed through an algorithm, replacing manual operation processes of manual operation of personnel entering a relay protection room; and (2) a multilevel algorithm interlocking mechanism is used, replacing a single protection mode that only relies on personnel to follow safety specifications.

The present application belongs to the technical field of metallurgical crane safety monitoring, and particularly relates to a kind of metallurgical crane operation path safety early warning method and system based on digital twinning, aiming at realizing the accurate monitoring and safety early warning of metallurgical crane operation path.The system presents the alarm rules and records of the position trajectory and operation behavior of crane car, main and auxiliary trolley, main and auxiliary hook through behavior control module; adopts a page structure of triangle type, the upper half part shows the trajectory, the left lower half part presents the operation procedure, state data and override alarm configuration, and the right lower half part displays the latest override alarm record; preset digital safety specifications such as starting tank procedure and running path, generate green corridor in digital twinning board, trigger sound and light prompt in cab when exceeding the corridor, and lock control system through intelligent instruction if necessary.The present application improves the intuitiveness, early warning timeliness and safety of crane operation monitoring.

The application discloses a kind of wear test devices for actuating cylinder reciprocating dynamic seal, belong to the technical field of actuating cylinder sealing wear test equipment, including main frame body, and the test mechanism of movable connection on main frame body, one side of main frame body is provided with replaceable actuating cylinder structure to be measured, test mechanism includes moving rod, and the upper and lower ends of moving rod are respectively provided with limit component and counterweight component, connecting piece is provided on moving rod, and the one end of piston rod in connecting piece and actuating cylinder structure to be measured is hinged, by the application, the wear of actuating cylinder reciprocating dynamic seal can be tested, can satisfy the conventional movement of actuating cylinder output end under simulated static state and the non-axial force that actuating cylinder output end is subjected to under dynamic state, and the reliability of sealing ring in actual work can be comprehensively evaluated in combination, is verified from multiple dimensions, is favorable for discovering potential risk, and better meet the requirement of safety specification in aviation, industry and other fields.

The invention provides a safety specification identification method, device and system based on machine vision, and belongs to the field of safety detection. The method comprises the following steps: acquiring a construction schedule of a to-be-identified construction process; inputting the construction schedule into the safety specification identification model, and outputting a link needing to be monitored and identified; wherein the safety specification identification model is determined based on keywords in a construction schedule of a power grid construction process, the link needing to be monitored and identified comprises a plurality of management and control key points with a front-back identification sequence, and the management and control key points comprise safety specifications needing to be identified by the management and control key points; when an instruction of entering the Nth management and control key point is received, obtaining a video of the Nth management and control key point, and uploading the video of the Nth management and control key point to the edge terminal; the edge terminal is used for judging whether the Nth management and control key point is subjected to illegal operation or not; and based on the received instruction of the edge terminal, determining whether to carry out the operation of the (N + 1) th management and control key point. The method can improve the recognition effect.

The invention relates to the field of elevator maintenance data retrieval, in particular to an elevator maintenance data retrieval method based on multi-modal semantics and dynamic safety factors, which comprises the following steps: constructing a multi-modal term normalization library, and converting text and / or image input into industrial standard terms; constructing a dynamic security strong binding knowledge graph, and optimizing association weights of maintenance operation terms and security specification terms according to historical maintenance records; retrieving a standardized maintenance scheme in a maintenance database based on the standard terms, and synchronously calculating a semantic matching degree, an image matching degree, a safety specification matching degree and a safety factor; sorting scores are calculated according to safety factor distribution weights, candidate schemes are output, and safety specification terms of the scheme with the highest score are set to the top; and iteratively optimizing the conversion rule of the multi-modal normalization library and the association weight in the knowledge graph based on the feedback of the maintenance personnel. The method covers the full-maintenance scene, can improve the retrieval accuracy, reduces the safety accident risk, and adapts to the long-term scene change.

The present invention relates to a computer-implemented method for determining the trajectory (120, 122) of a controlled vehicle (100), wherein the vehicle (100) is equipped with a sensor system (102, 102a, 102b) for capturing the environment of the vehicle (100) and a vehicle computer (112) for processing sensor data (116) and controlling the vehicle (100). The method includes the following steps: receiving sensor data (116) generated by the sensor system (102, 102a, 102b) in the control module (206) of the vehicle computer (112); inputting the sensor data (116) into a safety algorithm configured to identify safety-related objects (104, 106, 109) based on the sensor data (116); inputting the sensor data (116) into a comfort algorithm configured to identify comfort-related objects (108, 109) based on the sensor data (116); and using an environmental model (226) representing the environment of the vehicle (100) to estimate the future of the identified objects (104, 106, 108, 109). The environment model stores identified objects (104, 106, 108, 109) and tracks them over time; based on the estimated future states of the identified objects (104, 106, 108, 109), a safety trajectory (120) is calculated considering safety specifications and a comfort trajectory (122) is calculated considering comfort specifications; it is checked whether the comfort trajectory (122) meets the safety specifications; if the comfort trajectory (122) meets the safety specifications, the vehicle (100) is controlled using the comfort trajectory (122); if the comfort trajectory (122) does not meet the safety specifications, the vehicle (100) is controlled using the safety trajectory (120).

The present application relates to the technical field of safety production, and provides a safety specification retrieval method and device. The present application performs multi-modal layout analysis on an original specification document, identifies and retains the original hierarchical structure of the original specification document, and performs adaptive dynamic blocking, each block maintaining the atomic semantic integrity of safety clauses to obtain a semantic block sequence; metadata tags of semantic blocks in each semantic block sequence are extracted; the metadata tags are concatenated with the corresponding semantic blocks at the feature level to construct data tuples of the semantic block text blocks and their associated metadata tags; the vectorized data tuples are stored in a vector database to perform safety specification retrieval based on the vectorized data tuples, solving the problem of rough data preprocessing means of the prior art, which leads to easy omission or aggregation errors of key information.

The invention relates to the technical field of port automation, and discloses a safety management monitoring system for port vehicle traffic management based on big data. Comprising a data acquisition module, an event extraction module, an event system modeling module, a safety specification modeling module, a controllable observable event boundary identification module, a specification projection module, a supervision permission control module and a runtime verification and control execution module. Event modeling is carried out on multi-source traffic data, a safety specification is projected to a controllable and observable event subset, an executable safety specification and a corresponding permission control strategy are constructed, and specification consistency verification and dynamic permission control of traffic control events such as gate release, road section entry and intersection pass are realized. By introducing the controllable and observable event boundary recognition module and the standard projection module, the problem of control mismatch caused by direct participation of uncontrollable events or unobservable events in safety judgment is avoided.