Abstract: A method and a device for controlling power Internet of Things flow, and a computer program product are provided. The method includes: determining a probability formula for reduction of network user flow, according to probability formulas of signal power over limit, poor quality of service, channel congestion and signal transmission delay occurring in each channel; determining a probability formula for cascading flow reduction of N network users; establishing a network user flow minimum control quantity function according to the probability formula for cascading flow reduction of N network users; determining a plurality of population particles according to a value range corresponding to the parameter of the network user flow minimum control quantity function; and determining the network user flow minimum control function as a fitness function, and optimizing population particles to obtain an optimal population particle.

Abstract: A method and device for detecting security of Internet of Things data of market transaction, and an electronic apparatus are provided. The method includes: calculating at least one first trapezoidal fuzzy set having a number of attacks of data; calculating at least one second trapezoidal fuzzy set of an error rate of the data; calculating at least one third trapezoidal fuzzy set of a repetition rate of the data; calculating at least one fourth trapezoidal fuzzy set of miss rate of the data; determining a security detection value according to the first trapezoidal fuzzy set; determining a false detection value according to the second trapezoidal fuzzy set, the third trapezoidal fuzzy set and the fourth trapezoidal fuzzy set; and determining security of the Internet of Things data of the market transaction according to the security detection value and the false detection value.

Abstract: The present disclosure provides an information identification-based power Internet of Things protection method, and the method includes that: the safety identification errors of a source network, a channel network and a storage network of a system and the safety identification errors of a place name, a user and a node corresponding to each network are respectively determined by using a statistical analysis method; an information loss value and an information gain value are calculated according to the safety identification errors, the trust degree is calculated according to the information loss value and the information gain value, and a target function is obtained by maximizing the credibility and minimizing the safety identification error to obtain target control input by using a baseline learning machine method, so that the electric power Internet of Things system is controlled according to the target control input.

Abstract: A method and a device for controlling power Internet of Things flow, and a computer program product are provided. The method includes: determining a probability formula for reduction of network user flow, according to probability formulas of signal power over limit, poor quality of service, channel congestion and signal transmission delay occurring in each channel; determining a probability formula for cascading flow reduction of N network users; establishing a network user flow minimum control quantity function according to the probability formula for cascading flow reduction of N network users; determining a plurality of population particles according to a value range corresponding to the parameter of the network user flow minimum control quantity function; and determining the network user flow minimum control function as a fitness function, and optimizing population particles to obtain an optimal population particle.

Abstract: The present application provides a current monitoring device and a current monitoring method based on the current monitoring device. The current monitoring device includes: a magnetic ring, formed by a magnetic medium and having an air gap, the magnetic ring being used for being sleeved on a wire to be measured; a current sensor located in an air gap, a sensitive axis of the current sensor is parallel to tangent direction corresponding to center point projected by the current sensor on the magnetic ring, the current sensor including a magnetic sensing circuit having a magneto-resistive sensor, and the magnetic sensing circuit being used for outputting a first voltage signal which varies with a resistance value of the magneto-resistive sensor; a post-processing circuit is electrically connected to a current sensor. The post-processing circuit is used for analyzing a current of a wire to be measured according to a first voltage signal.

Abstract: Provided are a method and apparatus for controlling access to power Internet of Things, a storage medium and a processor. In the method, the information benefit value is calculated in consideration of data acquisition, the data transmission rate and the data storage sharing scale at the same time, the information loss value is calculated in consideration of a data acquisition error, and the trust metric of the power Internet of Things is calculated using the information benefit value and the information loss value, and the secure access control to the Internet of Things during a market transaction for the hydro-power unit, the thermal power unit, the nuclear power unit and the air power unit is realized using the trust metric.

Abstract: A method for security access to power Internet of Things, an apparatus, a storage medium and a system are provided. According to the method, a first information gain value and a second information gain value are acquired by using a fuzzy set method; a first total information loss value, a second total information loss value and a third total information loss value are acquired; and a trust degree is determined according to the first information gain value, the second information gain value, the first total information loss value, the second total information loss value and the third total information loss value, and one of the following is executed according to a range where the trust degree is located: a first processing mode, a second processing mode and a third processing mode.

Abstract: A method and device for detecting security of Internet of Things data of market transaction, and an electronic apparatus are provided. The method includes: calculating at least one first trapezoidal fuzzy set having a number of attacks of data; calculating at least one second trapezoidal fuzzy set of an error rate of the data; calculating at least one third trapezoidal fuzzy set of a repetition rate of the data; calculating at least one fourth trapezoidal fuzzy set of miss rate of the data; determining a security detection value according to the first trapezoidal fuzzy set; determining a false detection value according to the second trapezoidal fuzzy set, the third trapezoidal fuzzy set and the fourth trapezoidal fuzzy set; and determining security of the Internet of Things data of the market transaction according to the security detection value and the false detection value.

Abstract: A method for controlling a substation monitoring terminal and an apparatus for controlling the substation monitoring terminal are provided. According to the method, sent data of the substation monitoring terminal is acquired; a fuzzy inference method is adopted to process the sent data within a pre-determined time period to obtain multiple trapezoid fuzzy sets; it is determined whether the substation monitoring terminal has a security risk according to the multiple trapezoid fuzzy sets; in response to in the substation monitoring terminal having the security risk, the traffic of the substation monitoring terminal to access the Internet of Things is controlled to be reduced.

Abstract: The present disclosure relates to an automatic e-liquid transportation system and method of electronic cigarette as well as a peristaltic pump. The system comprises a peristaltic pump and a control system, wherein the control system comprises a temperature detector, a servo motor controller and a master controller; the temperature detector is used for detecting a real-time atomization temperature of a heating part of an atomizer and transmitting the real-time atomization temperature data to the master controller; the master controller determines an e-liquid feeding quantity or an e-liquid withdrawing quantity according to the real-time atomization temperature; when the real-time atomization temperature is determined to be greater than a preset temperature threshold, the servo motor controller controls a motor of the peristaltic pump to rotate in the forward direction in order to feed an e-liquid according to the e-liquid feeding quantity.

Abstract: The present disclosure relates to an automatic e-liquid transportation system and method of electronic cigarette as well as a peristaltic pump. The system comprises a peristaltic pump and a control system, wherein the control system comprises a temperature detector, a servo motor controller and a master controller; the temperature detector is used for detecting a real-time atomization temperature of a heating part of an atomizer and transmitting the real-time atomization temperature data to the master controller; the master controller determines an e-liquid feeding quantity or an e-liquid withdrawing quantity according to the real-time atomization temperature; when the real-time atomization temperature is determined to be greater than a preset temperature threshold, the servo motor controller controls a motor of the peristaltic pump to rotate in the forward direction in order to feed an e-liquid according to the e-liquid feeding quantity.

Abstract: The present invention provides an electronic cigarette temperature control system based on a joule mode, comprising a battery for driving an electronic cigarette to operate and an atomizer for heating tobacco tar inside the electronic cigarette to atomize the tobacco tar, the atomizer being hidden inside a battery case. The atomizer is connected to a temperature controller configured to control the temperature of the atomizer, and the battery, the temperature controller and the atomizer are successively and electrically connected to form an electronic cigarette temperature control system. The electronic cigarette temperature control system based on a joule mode as provided by the present invention explains the concept of the system highly accurately. The system shows controllable temperature and controllable output heat. The target temperature is controllable (by adjusting the amount of the output heat). The unit of heat is direct and accurate.