With the continuous improvement of coal mine modernization, the requirements for the stability, safety and uninterruptedness of underground power supply and distribution system in coal mine are becoming higher and higher. Most of the high and low voltage integrated protectors used in underground power supply have RS-485 communication interface, but the specifications are various, the

With the continuous improvement of the application requirements of programmable automation controller, it is of great significance to study its application in oil depot management. Firstly, this paper gives an overview of the relevant content, analyses the Countermeasures of the programmable automation controller, and studies the system programming of the programmable automation controller combined with

In order to ensure the safe flight of aircraft under the ice weather conditions, the atmospheric data probe usually has the function of heating and deicing, and is controlled by the air data Heater Controller. In this paper, a design scheme of air data heating controller is presented, and its rationality and superiority are demonstrated

The programmable controller has the characteristics of strong anti-interference, easy maintenance and transformation, strong practicability and simple operation. Its application in electrical control makes full use of the important advantages of the programmable controller and effectively improves the accuracy and control efficiency of electrical control. This paper briefly introduces the application characteristics of programmable controller

This paper introduces the design method of digital tone regulator, and carries out simulation debugging. The experimental results show that the multi-segment digital tone controller can enhance or attenuate the amplitude of the audio signal in the whole audio frequency band to change the auditory effect. In the process of picking up and transmitting audio

Individual ammeter detectors are often used in low-voltage electric energy performance field inspection and other occasions. According to the technical requirements, this paper thoroughly analyses the causes of affecting the measurement accuracy and the solutions. In order to realize the real-time detection of voltage and current in power supply circuit, microcontroller is used as the

For radio transmitter, the controller is one of the important components, and its design and implementation also need to adhere to the concept of keeping pace with the times. With the rapid development of science and technology and the continuous improvement of radio and television requirements, it is undoubtedly of great significance to improve the

Solar street lamp control system is essentially a small independent photovoltaic power generation system. Solar street lamp controller is the core component of the whole system. This paper designs a solar street lamp controller based on C8051F700. It mainly introduces the composition of the solar street lamp control system and the hardware circuit design of

In this paper, the parameters of the transfer function of the PID controller and the functions of the controlled object are given. Then the digital PID controller is designed by bilinear transformation method. The control effect of the discretized bilinear transformation method is analyzed for the controlled object. It is found that the bilinear transformation

In the booming field of UAV, the navigation technology of round A financing has been successfully completed, and it is in a vigorous rising cycle. Finance, as one of the “controller” hubs of enterprises, ensures the safe take-off of enterprises. Speaking of UAVs, most people show great interest in this “big toy”. When the rock