16 results about "Safety Communications" patented technology

The application discloses a power satellite-ground fusion optimal power safety communication method, device and system, and relates to the technical field of power system communication safety. The method comprises the following steps: collecting required data; in the satellite beam coverage range of power satellite-ground communication, quantifying the threat degree of eavesdroppers based on the collected data to obtain a threat value; performing power splitting operation based on the threat value and the collected data to obtain a power allocation result, and then selecting a corresponding safety algorithm scheme in combination with the threshold range where the threat value is located, power business time delay and computing power demand power; constructing and solving a power satellite-ground fusion optimal power allocation model to obtain a power satellite-ground fusion optimal power allocation result applicable under all safety algorithm schemes. The application can realize accurate balanced control of power business safety and transmission performance under the condition of limited satellite power through multi-eavesdropper threat quantification, safety algorithm dynamic adaptation and satellite-ground power optimization.

The utility model provides an active visual intelligent card, comprising an intelligent card security chip used for realizing non-contact transaction, the intelligent card security chip comprises a processor, a security module and a storage unit, the security module is used for security communication and generating a secret key, and the secret key is stored in the storage unit; the key module is used for converting key operation into a switching value signal and inputting the switching value signal to the intelligent card security chip, and the intelligent card security chip is used for realizing corresponding control according to the switching value signal; data connection is established between the electronic ink screen and the smart card security chip, and page data of the electronic ink screen is input to the smart card security chip through a non-contact interface; the RTC clock module is used for providing a reference time signal for the smart card security chip. According to the utility model, the intelligent card security chip is adopted to realize human-card interaction control and ensure the security performance of the intelligent card, so that the effects of realizing human-card interaction, reducing master control, reducing card manufacturing cost and power consumption, and being simple in structure, relatively small in occupied volume and high in security are achieved.

This application provides a master-slave switching circuit based on USB 2.0 communication, including a communication circuit module and a charging circuit module. The charging circuit module includes a rectifier and filter circuit, a reverse connection protection circuit, a DC-DC circuit, and a Block MOSFET circuit connected in sequence. Power is supplied through a power connector to the rectifier and filter circuit, and then output to the HUB IC by the Block MOSFET circuit. The communication circuit module includes a Type-C interface and a Type-A interface, both integrated into a single communication signal transmitted to the vehicle's infotainment system via the HUB IC. Furthermore, a switching detection circuit and an output VBUS level control circuit are connected between the HUB IC and the vehicle's infotainment system for power management of the master-slave switching circuit. Through precise level detection and control, this application enables intelligent power switching, ensuring safe communication between the vehicle's infotainment system and external devices, enhancing device protection, and improving the user experience. This circuit design not only optimizes power management but also provides higher reliability and security for the vehicle's infotainment system.

The application relates to a kind of unmanned plane safety communication methods under the assistance of intelligent reflecting surface, the method is: constructing the downlink communication system consisting of an unmanned plane, an intelligent reflecting surface, M legitimate users and an active eavesdropper;Set target problem P1 as maximizing system average secrecy rate by jointly optimizing user scheduling, intelligent reflecting surface reflection phase shift and unmanned plane three-dimensional trajectory;Given the reflection phase shift of intelligent reflecting surface and the three-dimensional trajectory of unmanned plane input into the optimization of target problem P1 to obtain the optimal unmanned plane user scheduling;The optimal unmanned plane user scheduling and the three-dimensional trajectory given are input into the optimization of target problem P1 to obtain the optimal reflection phase shift of intelligent reflecting surface;The optimal user scheduling and the optimal reflection phase shift of intelligent reflecting surface are input into the optimization of target problem P1 to obtain the optimal three-dimensional trajectory;The method can maximize the average secrecy rate of system while ensuring the quality of service of legitimate user, and avoid user information from being eavesdropped.

1. Name of the product in this design: Ship's bridge control console. 2. Application of this design: It is used for controlling ship navigation, mechanical, safety, communication and other related equipment. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The bottom surface of this product is a part that is not easily seen or cannot be seen during use, so the bottom view is omitted.

The application relates to a fault detection system based on a three-out-of-three structure train signal, which comprises a safety drive and sampling module, a safety communication module, a first FPGA, a second FPGA and a third FPGA, the first FPGA, the second FPGA and the third FPGA are in communication connection, the safety communication module and the safety drive and sampling module are in communication connection with the first FPGA, the second FPGA and the third FPGA respectively; the first FPGA, the second FPGA and the third FPGA form a three-out-of-three safety FPGA array for detecting the fault of the safety drive and sampling module and detecting the communication fault of the safety communication module, if any FPGA detects a fault, any FPGA will make the communication process be unrecoverable cut-off, and all the FPGAs will enter a safety state, and the method executes the above process. By composing multiple FPGAs into a three-out-of-three array, through mutual checking among different FPGAs, when any FPGA fails, the communication process will be unrecoverable cut-off, and all the FPGAs will enter a safety state, so that the overall structure safety is ensured.

A portable electronic device, in particular a body-worn device, comprising: an electronic processing unit, at least one sensor, at least one user input unit, at least one output unit, and optionally a communication interface, characterized in that the system comprises a profile-dependent functional logic, a technical triggering or test logic, and a state-based control logic, wherein the technical triggering or test logic is configured and designed to evaluate user interactions and sensor data, wherein the state-based control logic is configured and designed to enable safety-relevant functions exclusively via defined states, wherein safety-relevant state transitions are enabled exclusively locally, and wherein user interactions, sensor data, and system events are converted into an event model.

This invention discloses an environmentally adaptable and secure waterproof telephone system, apparatus, and method, relating to the field of communication equipment technology. It includes a multimodal sensor assembly comprising a humidity sensor, a temperature sensor, and a gas sensor, arranged in an array on the waterproof telephone's outer casing and key internal locations. The humidity sensor collects real-time environmental humidity data, the temperature sensor collects real-time environmental temperature data, and the gas sensor collects real-time environmental gas composition and concentration data. A data processing component, connected to the multimodal sensor assembly, receives the data collected by the sensors. By employing a multimodal sensor fusion system with a distributed data processing architecture, real-time monitoring of environmental changes and dynamic adjustment of protection strategies are achieved, significantly improving the waterproof telephone's safety performance and lifespan in harsh environments.

This application relates to the field of industrial automation control technology, specifically to an intelligent voice interaction system and method applied to a laser cutting machine. The system includes: an acoustic front-end module that collects ambient sound and performs noise suppression, outputting a differential feature spectrum; a voice recognition module that outputs recognized text; a dual-domain verification module that receives the differential feature spectrum and the recognized text, determines valid human voice based on the differential feature spectrum at the physical signal level, performs semantic legality verification on the recognized text, and generates an instruction execution decision; a secure communication module that interacts with a PLC via a bus for dynamic token verification and handshake protocol interaction to ensure secure instruction transmission; and an execution control module located within the PLC that controls the operation of the laser cutting machine based on the decision. Through the acoustic front-end's noise adaptive processing, the multi-layered protection mechanism of dual-domain verification, and the secure communication protocol, the system solves problems such as low voice recognition rate, conflict between instructions and equipment status, and insecure communication in high-noise industrial environments.

The present application provides a kind of safe communication terminal box of apartment building, it is located in door inner side and is arranged in the door periphery, forms the first mobile guide rail of closed rectangle;It is located in door inner side and is formed in the second mobile guide rail inside the closed rectangle formed by the first mobile guide rail;First camera is configured to move along the first mobile guide rail;Second camera is configured to move along the second mobile guide rail;Multiple temperature sensors are located in the inner wall of communication terminal box;Display screen is located in the outer side of door;Processor;Communication circuit;And memory.Through obtaining the complexity score inside, when the difference of complexity score is less than predetermined value, and there is the temperature of other units exceeds the dangerous temperature set to be lower than the temperature of fire, warning information is displayed, not only can manage danger in advance before the fire of certain unit occurs, but also can prevent fire in other units with similar dangerous degree.

This application belongs to the field of mine electrical safety and intelligent operation and maintenance technology, specifically involving an online monitoring and repair system for explosion-proof switches used in mines. It aims to solve the problems of lagging traditional manual inspections and the inability to detect and repair performance degradation of explosion-proof switches in real time. The system includes a multi-source sensing unit, an edge computing processing unit, a fault diagnosis and decision-making unit, an in-situ repair execution unit, and a safety communication unit. It collects parameters such as contact temperature, insulation resistance, and mechanical displacement in real time through multi-source sensing, and uploads these parameters to the diagnostic unit after edge computing denoising and fusion. Combined with an adaptive discrimination model, it identifies minor faults and generates repair instructions, which are then executed by the in-situ repair unit to perform contact pressure compensation, temperature control adjustment, or mechanism reset operations. This application can reliably achieve full-dimensional perception of the explosion-proof switch status, early fault warning, and controlled autonomous repair in environments with strong electromagnetic interference and explosiveness, significantly extending the fault-free operation cycle of equipment and ensuring underground operation safety.

The application discloses a kind of safety communication method and system for numerical control machine tool, wherein the system includes front-end machine, net lock and server, numerical control programming equipment is connected with front-end machine and server communication respectively, and front-end machine is connected with server communication and is connected with numerical control machine tool host computer communication through net lock.The application uses front-end machine to carry out information security processing to numerical control machine tool file, avoids the numerical control machine tool file infected by Trojan and virus to enter numerical control machine tool host computer, simultaneously uses net lock and front-end machine to isolate numerical control machine tool host computer and numerical control programming equipment, avoids numerical control machine tool host computer to be infected by Trojan, virus from numerical control programming equipment, also can avoid numerical control machine tool host computer to be attacked by network attack through numerical control programming equipment, ensures the safe operation of numerical control machine tool.

The application discloses a kind of D2D safety communication based on game transmission power and interference strategy optimization method and program product, method includes: constructing D2D safety communication system model, establishes master-slave Stakelberg game model;Wherein, transmitter and jammer form upper layer submodel on game model, listener forms lower layer submodel on game model, upper layer optimization goal is maximum safety throughput and resource benefit consumption rate, optimization variable is transmission power and interference strategy, interference strategy includes jammer selection and interference power, constraint condition is that the detection error rate under the perspective of listener meets safety communication constraint;Lower optimization goal is minimum detection error rate, optimization variable is detection power threshold;Iterative solution game model, until resource benefit consumption rate reaches preset threshold, game reaches equilibrium, obtains optimization result.The application can meet transmission performance and safety performance simultaneously, and resource consumption is more balanced.

A motion control system includes a control platform, and at least one mobile device. The control platform communicates with each mobile device via at least two communication links. The control platform is configured to generate an emergency stop instruction in a case that it is detected that a safety event has been triggered, and transmit the emergency stop instruction to the mobile device via a first communication link. The emergency stop instruction complies with a preset safety communication protocol, and the first communication link is a communication link with the preset safety communication protocol among the at least two communication links. The mobile device is configured to receive the emergency stop instruction via the first communication link, parse the emergency stop instruction by using the preset safety communication protocol, and execute a shutdown operation according to a parsing result.