In the process of coal mine production, mine hoist is a very important part. As an important equipment, the safety and reliability of mine hoist control system will play an extremely important role in the safe production of the mine. All along, the electric control system of AC hoist still has some lag. This paper

This paper aims at the shortcomings of traditional night scene cube, such as difficult installation, easy corrosion, high maintenance cost and power consumption. A nightscape cube control scheme based on NRF24CL01 wireless transmission is proposed, which consists of wireless sender, wireless receiver and lighting control circuit. The main function of the system is to switch

In the era of data mining, the selection of key factors is an important step in economic investment. Variables are selected through the forward strategy. On the basis of Goodman-Skruskal-_model, we supervise and discretize high-dimensional data, find out new quantitative viewpoints from historical data, and form a new portfolio model. Empirical test shows that the

Traditional low-voltage circuit breakers are protected by electromagnetic components, but the anti-interference ability of electromagnetic components is poor and the protection effect is poor, so it is easy to bury potential safety hazards. Once the electromagnetic components are damaged, it is possible to cause erroneous actions, affecting the normal use of electricity. 　　Intelligent controller is

The energy-saving controller of grid-connected photovoltaic system is designed and implemented, and the design flow of hardware and software is given. The module of photovoltaic grid-connected scheme is designed to analyze the voltage and current value obtained, and get the optimal current value of photovoltaic array output. The value is fed back to the grid-connected

Huawei recently officially released the industry’s first full-scene SDN unified controller Agile Controller 3.0 (hereinafter referred to as AC 3.0), which provides leading SDN solutions for the four business scenarios of WAN, data center network, Enterprise Park and IoT interconnection. AC3.0 provides the ability of on-demand acquisition, automatic deployment and intelligent tuning of the whole

This paper studies the practical teaching system of programmable controller application technology course in Higher Vocational Colleges Based on CDIO engineering education mode. This paper expounds the main problems existing in the practical teaching of programmable controller in Higher Vocational colleges, puts forward the construction and methods of the practical teaching system based on CDIO

This paper introduces a kind of anti-loss controller for positioning of old people and children. It is based on single chip computer and adds GPS module and GSM module to realize the function of anti-loss and positioning search. It can locate and communicate at a long distance. After obtaining the location information of the target

The normal operation of deaerator provides water for steam generator. The stability of deaerator liquid level is of great significance to ensure core cooling. This paper introduces the principle of three-impulse control of deaerator level controller, and analyses the system response and response measures under abnormal input parameters of deaerator level controller. The main function

Action analysis is an important method to improve production line. Taking the assembly line of a company’s body radio frequency controller as the research object, the operation time of the production line’s bottleneck position was measured by the method of time measurement (MTM). The problems in the production process were analyzed and found. Aiming at