33results about How to "Flexible monitoring methods" patented technology

The invention discloses a highway operation safety-based mobile monitoring and early warning system and method. The system comprises a data acquisition unit, a data storage unit, a data processing unit, an electronic display screen and a wireless communication module, wherein the data acquisition unit, the data storage unit, the electronic display screen and the wireless communication module are all connected with the data processing unit; the system is arranged on a vehicle; and an accumulator is adopted to provide power. The method specifically comprises the following steps of: constructing a basic database; acquiring dynamic data by the data acquisition unit in real time; comparing real-time road condition parameters with safe road condition parameters by the data processing unit to generate early warning information; and transmitting the real-time road condition parameters and the early warning information to a monitoring center by the wireless communication module. According to the system and the method, the defects of the conventional fixed monitoring system and patrol vehicle can be made up, real-time detection and analysis of the highway road condition parameters are effectively improved, and the highway operation safety level and the emergency management capacity are improved.

The invention relates to a network traffic monitoring method and system, and the method comprises the steps: S1, monitoring a network device, and capturing a data packet from network data generated bya first service module; s2, storing the data packet; s3, analyzing the data packet, and generating a dynamic rule according to an analysis result; s4, importing a static rule, and monitoring and filtering the network data generated by the first service module according to the dynamic rule and the static rule; and S5, transmitting the monitored and filtered network data to a second service module,one of the first service module and the second service module being a network application service module, and the other being a network interface. According to the network flow monitoring method andsystem provided by the invention, the monitoring mode is flexible, the monitoring content is reliable, and the normal transmission of network data is not influenced.

The invention discloses an in situ real-time measurement device used in a powder bed melting additive manufacturing process. A thermocouple of the device is arranged at a position, where temperature needs to be measured, on a substrate, and a displacement sensor is in contact with the lower surface of the substrate, so that the displacement sensor can measure deformation of the substrate in the additive manufacturing process. The device disclosed by the invention can realize in situ real-time monitoring on thermal-deformation (or temperature) of the substrate and a formed part in the powder bed melting additive manufacturing process, can accurately reflect evolution rules of the thermal-deformation (or temperature) of the substrate along with time, not only provides a reliable experimentalmeasurement basis for studying a deformation mechanism of the substrate and the formed part in the powder bed melting additive manufacturing process, but also provides powerful experimental data forfinite element simulation on powder bed melting additive manufacturing and finally lays a foundation for establishing a technique of effectively controlling deformation of the substrate and the formedpart as well as obtaining a high-precision and high-performance formed part.

The invention discloses an on-line leakage intelligent monitoring system based on multi-parameter monitoring and a monitoring method. The monitoring system includes a front-end leakage detection connecting device installed on a monitored device and a rear leakage monitoring device connected with the front-end leakage detection connecting device, the front-end leakage detection connecting device includes a plurality of leakage detection connecting pipes and a first connecting joint, a plurality of monitoring holes are arranged in the monitored device, each monitoring hole is connected with an inlet of one leakage detection connecting pipe, the rear leakage monitoring device includes a pressure monitoring device, a gas monitoring device, an acid-base value monitoring device, a data acquisition instrument, a master control device and a leakage alarm device, The monitoring method includes steps of monitoring project selection, alarm threshold setting, monitoring setting, and online leakage monitoring. The on-line leakage intelligent monitoring system is reasonable in design, simple in use, operation, and connection, and good in use effect, and can monitor the leakage conditions of the monitored device in real time online, the monitoring manner is flexible, the monitoring result is reliable, and the later query is simple.

The invention relates to the field of motor fault diagnosis, online monitoring, intelligent operation and maintenance and health management, in particular to an intelligent operation and maintenance and health management system for a motor. The system comprises a data acquisition module, a data analysis module and an intelligent operation and maintenance module. The data acquisition module, the data analysis module and the intelligent operation and maintenance module are respectively in communication connection with the CPU; the data acquisition module is used for connecting a voltage and current transformer signal, a vibration sensor signal and a temperature sensor signal into the device and synchronously acquiring three-phase current, voltage data, vibration data and temperature data, wherein the vibration sensor collects data of a motor bearing end cover or a bearing seat in the horizontal and vertical directions, and the temperature sensor collects a motor stator three-phase winding temperature signal; and the data analysis module is used for establishing a data analysis model, classifying fault stages according to labels, generating a fault analysis report, storing the fault analysis report in the data storage module, and transmitting a fault stage instruction back to the CPU.

The invention discloses a novel sampling and monitoring system for open space oil material fire pollution. A dust preventing and filtering stopper is disposed at the head of each sampling tube. A high-temperature-resistant thermal-insulation material is disposed outside each of the sampling tubes. A sucking pump is installed at the tail end of each of the sampling tubes. Each of the sampling tubes is connected to the left side of a sampling terminal monitoring device. Temperature sensors are connected to the left side of a temperature recorder. A mobile hinge is disposed on the top of each support. The supports and the mobile hinges are cooperatively installed under the mobile hinges to play a supporting role. A scalable metal sleeve is disposed above the mobile hinges. Metal sleeve side tubes are respectively disposed outside the sampling tubes. Side tube mobile hinges are respectively disposed at the lower parts of the metal sleeve side tubes. The sampling and monitoring system can perform multi-point sampling and monitoring for pollution gas, can achieve pollution gas colleting and monitoring in different positions and at different heights by adjusting the scalable metal sleeve and the mobile supports, and can complete temperature monitoring for the point location at the same time of gas collection.

The invention relates to a high-accuracy pulse/direct current chopping digital power of an ionic accelerator, which comprises an ionic accelerator high-accuracy general digital power regulator, an ionic accelerator general digital power controller, a low-voltage transformer, a three-phase diode rectifying and filtering circuit, an H bridge bidirectional chopping circuit, a high-accuracy current feedback circuit and a load circuit. By using the ionic accelerator high-accuracy general digital power regulator to control and regulate a chopping-type non-isolating switch circuit, a high-accuracy digital power of the ionic accelerator which can work in two operating modes, namely, a pulse operating mode and a direct current operating mode, is realized, and the requirements of the digital power of the ionic accelerator in terms of high-accuracy data acquisition, high-speed and high-accuracy digital regulation, high-accuracy PWM output and the like are satisfied. The high-accuracy pulse/direct current chopping digital power has simple and reliable operation mode, can realize communication and operation to the digital power by means of a local human-computer interface and can also realize remote network control to one or more digital powers by utilizing a CAN bus networking method. The high-accuracy pulse/DC chopping digital power can be applied to ordinary ionic accelerators and special ionic cancer-treating accelerators, or other similar applications.

The invention relates to a capacitance human body approach alarming control device. The alarming control device comprises a 220V alternating current power supply, a 12V direct current power supply, a capacitance bridge circuit, a differential pressure signal detecting circuit and a differential pressure signal amplifying and alarming control circuit, wherein the capacitance bridge circuit comprises capacitors C1-C4; the differential pressure signal detecting circuit comprises Schottky diodes D1-D4; certain defects exist in certain finished product monitoring devices or facilities on the market; and the capacitance human body approach alarming control device is designed in order to solve or make up the certain defects existing in various monitoring devices on the market, higher selling prices and other problems. The capacitance human body approach alarming control device is mainly used for detecting whether a human body approaches a fortification area, is flexible and various in the monitoring mode and is not limited by factors such as the size of monitoring areas or properties of articles and the like; when certain cases happen, the alarming device acts dexterously and solves the problems of misinformation of non-substantiality conditions and failed reporting of dangerous warning conditions; four monitoring passageways can be simultaneously used; and a part of monitoring passageways can be used according to the need.

The invention discloses a radio signal detection device and method in a specific area. The signal detection unit is used to detect wireless signals in a specific area; Carry out signal control and calculation, and distinguish the controllers inside and outside the area through the comparison of the strength of the two signals. Inductively receive and connect with the host through a coupler, the main antenna is more than one combined antenna set in the detection area and evenly distributed in the detection area. The auxiliary antenna is connected to the auxiliary machine through a coupler by inductively receiving signals from various directions, and the auxiliary antenna is more than one combined antenna set outside the detection area and evenly distributed outside the detection area.

The invention provides a QSYS system based image processing abnormal monitoring method and system. The method includes: detecting whether a target signal of an Avalon ST (Avalon streaming interface) of a corresponding IP (intellectual property) module of the QSYS system is low level or not; if so, timing the time of the target signal as the low level to acquire the duration time; when the duration time is larger than a preset time threshold, subjecting the corresponding IP module to restoration operation. By the method and system, the suspended state of the IP module of the QSYS system can be instantly detected, and image restoration efficiency is improved.

The invention belongs to the technical field of security protection and electronic monitoring, and relates to a capacitance bridge type human body proximity alarm. The alarm comprises a 220V alternating-current power supply, a 12V direct-current power supply, a capacitance bridge circuit, a signal detection circuit, a signal amplification circuit and a sound-light alarm circuit. As certain finished monitoring devices or facilities in the market have certain defects, the capacitance bridge type human body proximity alarm is designed for solving the problems of certain defects, relatively high price and the like of various monitoring devices in the market. The monitoring alarm is used for detecting whether a human body enters a fortification region or not, and has the main functions and effects that firstly, monitoring modes are flexible and diversified and cannot be limited by factors such as the size of a monitoring region or the properties of an article; secondly, when a warning occurs, the sound-light alarming action of the monitoring device is quickly generated; thirdly, the problems of false alarming of non-substantial dangerous cases, missed alarming of dangerous cases and the like are solved; fourthly, the four monitoring channels of the alarm can be simultaneously used or part of the monitoring channels are used as needed.

The invention discloses a remote monitoring system of a radar power supply. The system comprises a main control module, a power supply module, a relay module, a network switching module, a radar powersupply monitoring module and a fan power supply monitoring module. The system can accurately monitor external equipment including a radar host and a radar fan in specified current and voltage ranges;the equipment can be protected when abnormality is detected; and overvoltage and large current protection circuits are realized. Meanwhile, network exchange among the main control module, the radar host and the network center can be realized, so that the monitoring mode of the system is more flexible. According to the invention, power supply, ground and signal isolation among the modules is realized under the condition of not influencing communication among the modules, and interference among the modules of the monitoring system is reduced. In addition, integration of power supply monitoringand network switching is realized, the size of the circuit board is reduced, and the whole equipment is more convenient.

The invention discloses a refined process monitoring method and system based on a watchdog in a Linux system and relates to the technical field of process monitoring in the Linux system. The method comprises the steps of judging whether process monitoring this time is static monitoring or dynamic monitoring according to an established monitoring configuration file; monitoring each service process by sending specific signals regularly if process monitoring this time is static monitoring, and resetting the system by stopping 'dog feeding' once it is found that no service process exists; starting service process monitoring after service process register only if process monitoring this time is dynamic monitoring, obtaining the latest state of each service process through stage frames which are sent constantly during monitoring, and resetting the system by stopping 'dog feeding' once it is found that service processes or the system becomes abnormal. By the adoption of the method and system, refined process monitoring can be achieved, and the requirement for high-quality process monitoring can be met; furthermore, the monitoring method is flexible, resources are saved, and efficiency is high.