106results about How to "Accurate security" patented technology

Real time security, integrity, and reliability postures of operational (OT), information (IT), and security (ST) systems, as well as slower changing security and operational blueprint, policies, processes, and rules governing the enterprise security and business risk management process, dynamically evolve and adapt to domain, context, and situational awareness, as well as the controls implemented across the operational and information systems that are controlled. Embodiments of the invention are systematized and pervasively applied across interconnected, interdependent, and diverse operational, information, and security systems to mitigate system-wide business risk, to improve efficiency and effectiveness of business processes and to enhance security control which conventional perimeter, network, or host based control and protection schemes cannot successfully perform.

A cruise control plan evaluation device (10) that evaluates safety of a cruise control plan for an automatically-operated vehicle includes: a behavior prediction unit (16a) that predicts a behavior that may be exhibited by a nearby vehicle, which is present near the automatically-operated vehicle, at a given time point; a position prediction unit (16b) that predicts a position of the nearby vehicle after the given time point based on a position of the nearby vehicle at the given time point and the behavior predicted by the behavior prediction unit (16a); and an evaluation unit (20) that evaluates the safety of the cruise control plan based on the position of the nearby vehicle predicted by the position prediction unit (16b) and a position that is reached by the automatically-operated vehicle according to the cruise control plan.

The invention proposes a system simulation method for connecting large-scale wind power into a power grid in a centralization way and an effective equivalent mode of a high-capacity wind power station. Based on the synchronization operating characteristics of the large-scale wind power, the invention makes the large-scale wind power synchronization simulation analysis principle under the comprehensive consideration of the influences of the wind resource characteristics of wind power generation, the dynamic response characteristics of a wind driven generator and the differentiation characteristics of different types and different control modes of various wind driven generators and the like; therefore, the invention constructs the complete analytical framework and flows of the system simulation assessment with the large-scale wind power being connected into the power grid. The simulation analysis result shows that the system simulation method can comprehensively, objectively and accurately assess the impact and the safety bottleneck to the stable running of a power system caused by wind power synchronization after the base synchronization of the large-scale wind power due to the affection to the dynamic response characteristics of the power system by the differentiation of the types and the response characteristics of various wind driven generators and the wind resource characteristics. Therefore, the method is beneficial for the scheduling and operating staff to accurately grasp the affection to the system characteristics by the connection of the large-scale wind power and the law of the connection of the large-scale wind power, and has significant meaning for instructing and making the corresponding precautionary and improved measure and ensuring the normal running of the system after the connection of wind power.

Real time security, integrity, and reliability postures of operational (OT), information (IT), and security (ST) systems, as well as slower changing security and operational blueprint, policies, processes, and rules governing the enterprise security and business risk management process, dynamically evolve and adapt to domain, context, and situational awareness, as well as the controls implemented across the operational and information systems that are controlled. Embodiments of the invention are systematized and pervasively applied across interconnected, interdependent, and diverse operational, information, and security systems to mitigate system-wide business risk, to improve efficiency and effectiveness of business processes and to enhance security control which conventional perimeter, network, or host based control and protection schemes cannot successfully perform.

The present disclosure belongs to the field of offshore oil, and in particular relates to a method for assessing the safety integrity level of offshore oil well control equipment. The method for assessing the safety integrity level of the offshore oil well control equipment comprises three major steps: creating a safety instrumented function evaluation module and dividing the related devices for performing the safety instrumented functions into a sensor subsystem; a controller subsystem and an actuator subsystem, establishing a dynamic Bayesian network model for respective subsystems for calculation; and integrating, analyzing and optimizing the safety integrity data of the subsystems.

The present invention discloses a gate control device which controls the passage (e.g., entry, exit, etc.) through a passageway of both authorized persons and unauthorized companions of authorized persons into a protected room. The device may be configured such that the unauthorized companions may be permitted or denied passage if the unauthorized companions are with an authorized person. For example, the device may be configured to allow an entire group of persons to enter a room if only one authorized person is present. In another example, the device may deny passage to the entire group if it contains even one unauthorized person.

The method includes: associating different cell phones to different enciphering and deciphering keys of an asymmetric encryption algorithm. Access information of the network lock corresponding to the cell phone is enciphered by the corresponding enciphering key. Then, the enciphered network lock is stored in the cell phone, and the corresponding deciphering key is recorded in an inerasable memory of the cell phone. The original plaintext access information of the network lock and the enciphering key is stored only in a service provider of the communication network. When the cell phone tries to access the communication network, it deciphers the enciphered network lock using the deciphering key stored in the inerasable memory to verify the network lock of the cell phone.

A method for evaluating the safety of a battery under an internal short-circuit condition. The method for evaluating an internal short-circuit of a battery is characterized in that a short-circuit can be caused at a desired location inside the battery. According to the evaluation method of the invention, the evaluation result is not affected by the constitution of the outermost part of the battery unlike nail penetration tests which are conventional evaluation methods. Also, unlike crush tests which are conventional evaluation methods, the locations of short-circuits do not vary among tests and the safety under an internal short-circuit condition can be evaluated accurately.

A device of flow battery is provided. The device comprises a cell stack, a heat exchanger, an anode electrolyte tank, a cathode electrolyte tank, a circulating pump, a temperature-retaining tank, a charging / discharging unit, a DC / AC converter and a monitoring unit. The device can be assembled in a container to form a portable flow battery to be integrated into a mobile power pack or a stationary power supply. Thus, the present invention is portable and swappable. The device can adjust power output according to flows and energy-storing statuses for saving cost and maximizing benefit. Household electricity is provided through the DC / AC converter. AC of a mains supply is converted into DC to charge power to an electric vehicle through the charging / discharging unit. Electrolytes in the anode and cathode electrolyte tanks can be directly replaced for finishing charging power in a short time.

The invention provides a planning simulation method for estimating the adaptability of a wind power grid-connection scale and a power grid net rack, comprising the following steps of: (1) carrying out steady-state analysis on a planning scheme; adjusting a power grid planning scheme according to a steady-state analysis result; (2) carrying out dynamic analysis on the planning scheme and adjusting the power grid planning scheme according to a dynamic analysis result; (3) carrying out mutual influence analysis on a wind power scale and a grid-connection near-region net rack and adjusting the power grid planning scheme according to a mutual influence analysis result; and (4) revising and identifying the power grid planning scheme to obtain a revised wind-power power supply and power grid coordination planning scheme. According to the planning simulation method for estimating the adaptability of the wind power grid-connection scale and the power grid net rack disclosed by the invention, after the comprehensive and large-scale wind power grid-connection is carried out, influences on dynamic properties of a plurality of fan types, a responding property difference and a wind source property on an electric power system are good for promoting coordinated development of wind power grid-connection and power grid planning.

The integrated multi-sensor integrated automatic driving intelligent sensing device disclosed by the invention can reliably and accurately identify the traffic environment in real time. According to the technical scheme, an intelligent sensing model module tracks and detects static and dynamic obstacles outside a vehicle in real time, element information and behavior information in a scene are obtained, and a sensor data acquisition module transmits sensor acquisition data to a sensor data synchronization module after completing data receiving of all sensors; the method also includes carrying out automatic analysis on a plurality of intelligent sensors, and carrying out time-space registration on target-level detection information; sending the synchronously calibrated data to a sensor data processing module in real time; sending the processed data to a planning control module, and performing real-time track prediction; and enabling the sensor fusion control vehicle execution module to execute sensing data according to the control path planning of the planning control module, recognize trafficability and static and dynamic objects in the whole field of view around the vehicle body, and make decisions of braking and obstacle avoidance.

The invention provides a power-on sequence control circuit, a power-on sequence control method, a control device and an electronic terminal. The circuit comprises a trigger unit comprising a first trigger and a second trigger. Two input ends of each trigger are each connected with a time delay circuit, so that the time delay of an output power source control signal is the sum of the time delay of two input end signals. Power source drive signals are output through the output signals of the two triggers to drive power source units. The time delay differences between the power source drive signals form power-on sequences of the power source units, and accurate power-on time delay control and safe power-on sequences are realized.

The present invention refers to a control method and welding equipment for MIG / MAG-welding with presence of short-circuiting droplets between an electrode end and a workpiece. The method comprises establishment of a short-circuiting time, establishment of an arc time, and controlling the energy supplied to the electrode. The energy supply is controlled in such a way that the energy supply is increased if a measured short-circuiting time of a total period time, where the period time is the sum of the short-circuiting time and the arc time, exceeds a defined adjustable set value and decreases if said short-circuiting percentage goes below said set value.

The invention provides an intelligent fire inspection method. The method comprises the steps that a database is created at a server; an inspection task list is created according to location information and personnel information, wherein the inspection task list comprises at least one inspection task; task information of the inspection task list is sent to at least one mobile terminal corresponding to the inspection task list; the server receives a piece of equipment address information of the mobile terminal and sends the inspection task corresponding to the equipment address information to the mobile terminal; the server receives feedback information of the inspection task; the database is updated according to the feedback information, and the feedback information is stored. Through the intelligent fire inspection method, fire information can be managed in a unified mode, real-time updating of data is realized, and inspection personnel can be dynamically and effectively managed and supervised; the method has the advantages that information management is convenient, updating speed is high, accuracy is high, and resources are saved.

The present invention relates to an Electronic ballast for operating a high-pressure discharge lamp, comprising a switched-mode power supply circuit (SMPS) for supplying a rail voltage Vrail to the high pressure discharge lamp, the power supply circuit comprising a half bridge commutating forward circuit including an inductance (Lhbcf), a capacitor circuit of a first capacitor (Cs1) and a second capacitor (Cs2) in series, the lamp (LA) being connectable between the inductance (Lhbcf) and a midpoint (M) between the first and second capacitor (Cs1,Cs2); a duty cycle control circuit, connected to the switched-mode power supply circuit, for controlling the duty cycle of the half bridge commutating forward circuit; and overvoltage protection means for protecting said capacitors against overvoltage, comprising—a midpoint voltage detection circuit for detecting the voltage at the midpoint between the first and second capacitor, the midpoint voltage detection circuit providing a first signal representative of the detected midpoint voltage; voltage difference determining circuit for determining the difference between the first signal and a second signal, which is representative of half the rail voltage, wherein the voltage difference determining circuit is connected to the duty cycle control circuit and the duty cycle control circuit is operable to change the duty cycle of the half bridge commutating forward circuit if the determined difference exceeds a maximum voltage difference.

A kind of distilled water machine which can be directly and easily placed on common water dispenser to replace commercial available mineral water bucket. It is integrally designed as water bucket shape used on water dispenser, including cooling section, heating section, and water storage section set in turn from top to bottom inside the shell. The heating section is equipped with a heating element to connect with control circuit. Water becomes vapor through the heating of this heating section, and the vapor will flow into the cooling section for cooling and finally flow into the water storage section. A distilled water outlet is set at the bottom of the water storage section. This invention adopts a one-key switch control to realize convenient operation, high safety as well as energy-saving effect.

The invention discloses an analysis platform for supervising online catering, and relates to the technical field of data collection. The analysis platform has the following work steps of collecting data of an online catering manager, obtaining basic indexes of the online catering manager, and utilizing other auxiliary indexes to form big data of internet catering; based on the malicious behavior of the online catering manager and consumer comment feedback, grading the online catering manager and mining the big data deeply at the same time, acquiring all predicted indexes of the online catering manager, establishing a precise prediction model of food safety, supervising the operation of online catering in real time, conducting analysis through a comparison with internal information of the State Food and Drug Administration, and automatically screening out fraudulent managers.

The invention belongs to the technical field of weapons, and relates to a method for metering real radio frequency detonating energy of an electric initiating explosive device. The method comprises the following steps that a metering system of the real radio frequency detonating energy of the electric initiating explosive device is well connected; a coaxial impedance tuner is regulated; the radio frequency impedance value of the coaxial impedance tuner is metered and obtained; under the two conditions of inputting constant radio frequency power and inputting variable radio frequency power, signals are collected respectively; the real radio frequency detonating energy of the electric initiating explosive device is calculated respectively according to the two sorts of sampling signals. By the adoption of the method, technical support can be provided for accurate measurement and safety evaluation of the radio frequency detonating energy of the electric initiating explosive device.

The invention discloses a soft infusion bag and a pipe washing method and relates to the technical field of medical apparatus and instruments. The soft infusion bag solves the problems that an existing soft infusion bag needs to be exposed and punctured by an sharp instrument for several times, has bacterial pollution risk and does not conform to the safety concept of the modern intravenous therapy nursing, wherein the safety includes the patient safety and the occupational exposure safety of the medical staff. According to the technical scheme, the soft infusion bag comprises a bag body, the bag body is divided into a medicine liquid bag and a washing liquid bag, the medicine liquid bag is provided with a medicine adding pipe, a medicine liquid outlet in the bottom of the medicine liquid bag and a washing liquid outlet in the bottom of the washing liquid bag are connected with two ends of a tee through catheters, the other end of the tee is connected with an infusion pipe, and a switch is arranged between the washing liquid outlet and tee. According to the pipe washing method, the switch between the washing liquid outlet and tee is closed firstly, and the switch is opened to wash after the infusion bag finishes infusion. The pipe washing process does not need puncture through the sharp instrument, the sharp instrument exposure is reduced, and the safety is reinforced; the pipe washing dosage is adjustable, the medicine compatibility reaction between groups is avoided, and the precise medicine dosage can be guaranteed.

The embodiment of the invention relates to a method and a device for acquiring the service availability. The method for acquiring the service availability comprises the following steps of: acquiring the availability of all fail points in a service path; constructing a serial-parallel structure according to the protection type of the service path; and acquiring the service availability of the service path according to the availability of all fail points and the serial-parallel structure. In the embodiment of the invention, the service availability of the service path can be acquired according to the availability of all fail points in the service path and the serial-parallel structure corresponding to the service path, thereby providing accurate guidance and direction for reforming and protecting the service, the network and the like and ensuring the network security.

The invention relates to the field of fuel gas pipeline monitoring, in particular to a fuel gas pipeline safety early-warning system which comprises a main station system and a substation system. The main station system comprises a data processing system and a waveform display terminal connected with each other; and the substation system comprises a data acquisition system; and the data acquisition system is connected with the data processing system. The data processing system comprises a sonic wave sensing part, a pressure sensor and a gas detection sensor; and the sonic wave sensing part comprises a sonic wave sensor and a subsonic wave sensor. According to the fuel gas pipeline safety early-warning system provided by the invention, by utilizing the combination of multiple ways of sonic wave sensing and pressure and gas sensing, whether leakage occurs or not, the type of the leaked gas and the position information of leakage occurrence can be accurately and timely judged, so that an accurate judgement basis and safety early-warning are provided for safety monitoring personnel.

The invention discloses a vehicle interior environment monitoring automatic emergency safety protection system. The vehicle interior environment monitoring automatic emergency safety protection systemcomprises a life characteristic monitoring module, a vehicle interior environment monitoring module, a signal analysis processing module, an alarm module, an emergency protection module and a power supply module; the signal analysis and processing module is connected with the life characteristic monitoring module, the in-vehicle environment monitoring module, the alarm module and the emergency protection module; and the power module is used for supplying power to the life characteristic monitoring module, the vehicle interior environment monitoring module, the signal analysis and processing module, the alarm module and the emergency protection module. The safety protection system can monitor and forecast the vehicle interior environment, can improve the safety protection level of the vehicle interior environment, can effectively reduce the occurrence of injury incidents caused by the vehicle interior environment, can provide effective security for people, has the advantages of compactstructure, reasonable design, accurate information detection, high security, strong practicability and so on, and is suitable for promotion and application.

Apparatus and methods are disclosed whereby a propellant driven water stream is used in the formation of materials made from high tensile strength alloys. High pressure developed in liquid flowing through a tubular work piece is employed to achieve desired forms. The high pressure results from superposition of compression waves generated in the course of the impact of the liquid by products of propellant combustion.

A common-cause failure reliability judging system and method based on data drive can perform common-cause failure reliability analysis on a large complex system. The system comprises four modules of a data collector, a common-cause failure analyzer, a failure tree model analyzer and a failure tree analyzer, wherein the data collector acquires common-cause failure data and given system information and provides the common-cause failure data and the given system information for other modules; the common-cause failure analyzer determines elementary event grouping according to common-cause failure data and performs common-cause failure analysis on the elementary event groupings; the failure tree model analyzer modifies a failure tree model of a given system according to the elementary event grouping result; and the failure tree analyzer analyzes a given failure tree model. According to the common-cause failure reliability judging system and method, any types of asymmetrical common-cause failure can be analyzed, and reliability of the large complex system can be more accurately analyzed and monitored.

The invention discloses a seal protection box and an application method of the seal protection box. The seal protection box comprises a shell body, a top wall, a bottom wall and at least two upper covers, wherein a fingerprint identifier is arranged at the first side of the top wall; the shell body is internally provided with a cavity; the cavity is internally provided with a wireless communication module, a GPS (Global Positioning System) positioning module and a locking device; the GPS positioning module, the fingerprint identifier and the locking device are communicated with a background server through the wireless communication module; a containing cavity is formed between one upper cover and the shell body; an opening is formed above the containing cavity and the upper cover covers the opening of the containing cavity. According to the application method disclosed by the invention, the seal protection box is authorized to use. The seal protection box disclosed by the invention canbe used for conveniently and effectively realizing utilization authorization of a seal, and accurate tracking of a seal position, supervision, authorized utilization and safekeeping can be realized;the risks that the seal is stolen and abused are reduced; the safety management of the plurality of seals can be realized at the same time.