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1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
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1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
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0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
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The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
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The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
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Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]
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Voltage hysteresis is a characteristic of lithium-ion battery and the basis of its existence. The principle is as follows: the thionyl chloride electrolyte of the battery is a strong oxidizing chem...[Details]
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High specific energy lithium/thionyl chloride (Li/SOCl2) batteries are widely used in multi-functional intelligent meters (such as smart meters, water meters, etc.) as real-time clocks and memory b...[Details]
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Introduction
Every year, cars are equipped with more complex electronic systems to maximize comfort, safety, and performance while minimizing harmful emissions. According to market resea...[Details]
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This paper mainly studies the parallel current sharing technology of Droop method DC/DC converters, and designs a current sharing converter with parallel output of two DC/DC converters based ...[Details]
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CAN (Controller Area Network) is a serial communication network that effectively supports distributed control and real-time control. It has the advantages of high reliability, low cost, flexible confi...[Details]
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With the development of military equipment, its functions are becoming more and more powerful, the equipment is becoming more and more complex, and the requirements for test systems are becoming highe...[Details]
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1. Fieldbus Technology
The blast furnace gas washing system is to purify the gas recovered from the blast furnace through the washing tower and then send it to the user. The original conve...[Details]
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In the field of power supply controllers, digital power supplies face two major challenges. The first is flexibility, which is actually what engineers expect from digital power supplies. They alway...[Details]
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1. Experimental tasks
A digital voltmeter is designed using the single-chip microcomputer AT89S51 and ADC0809. It can measure DC voltage values between 0 and 5V and display four digits, but ...[Details]
PCB Design
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