This article take the boiler water temperature controller for research object and investigate the control system based on taking the SCM a microcontroller as the core as a boiler controller, sensor technology, the basis for the system design to achieve the temperature and water level of the collection. AT89S52 microcontroller as the core of the system, combined with simulated intelligent PID control algorithm performance analysis, and hardware design, but also for the actual boiler research to meet the energy saving boiler control and safety requirements. Introduction Heating boiler drum water level and water temperature protection control in the whole system plays a very important role in the central heating boiler drum run, maintaining water level and water temperature within a certain range to ensure the necessary conditions for the normal operation of the boiler [1,2] . Water protection function should satisfy the time when the boiler water protection from Ganguo and burn water wall [3,4] , when there is full of water valve opens automatically, when the water level reached the limits of water level will shutdown, shut down, turn off the main Valve to prevent equipment damage [5,6] . Circuit Design of the Boiler Master Controller A. Temperature Acquisition Circuit Temperature Acquisition using the DS18B20 digital temperature sensor, the sensor if required it can be accurate temperature conversion, I / O line must ensure power supply during the conversion. Since the work of current to 1mA of DS18B20, so the pull-up resistor 5K alone is not enough to provide power, and when there are a few DS18B20 hanging in the same I / O lines and also to the Way is to DS18B20 supply VDD pin is access from an external power supply, shown in temperature conversion, the problem is more acute. Figure 1. The advantage is I / O line does not need to strengthen the pull, and bus controller not always remain high during the conversion temperature. This can allow the conversion during the single data bus for other exchanges. In addition, single bus can carry as many pieces DS18B20 temperature sensor , and if they all use external power, then it can first send a Skip ROM command, followed by a Convert T command, so that they at the same time the temperature conversion. Note that when coupled with an external power supply, GND pins can not be left floating. When the temperature is higher than 100 °C, the parasitic power use is not recommended, because in this temperature DS18B20 show relatively large leakage current, communications may not be possible. In this case the temperature should be used DS18B20 the VDD pin. 8th International Conference on Social Network, Communication and Education (SNCE 2018) Copyright © 2018, the Authors. Published by Atlantis Press. This is an open access article under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/). Advances in Computer Science Research, volume 83
Paper
Full text
Study on Artificial Intelligence Controller Based on Single-chip Microcomputer
Semantic Scholar · Computer Science · 2018
Abstract
This article take the boiler water temperature controller for research object and investigate the control system based on taking the SCM a microcontroller as the core as a boiler controller, sensor technology, the basis for the system design to achieve the temperature and water level of the collection. AT89S52 microcontroller as the core of the system, combined with simulated intelligent PID control algorithm performance analysis, and hardware design, but also for the actual boiler research to meet the energy saving boiler control and safety requirements. Introduction Heating boiler drum water level and water temperature protection control in the whole system plays a very important role in the central heating boiler drum run, maintaining water level and water temperature within a certain range to ensure the necessary conditions for the normal operation of the boiler [1,2] . Water protection function should satisfy the time when the boiler water protection from Ganguo and burn water wall [3,4] , when there is full of water valve opens automatically, when the water level reached the limits of water level will shutdown, shut down, turn off the main Valve to prevent equipment damage [5,6] . Circuit Design of the Boiler Master Controller A. Temperature Acquisition Circuit Temperature Acquisition using the DS18B20 digital temperature sensor, the sensor if required it can be accurate temperature conversion, I / O line must ensure power supply during the conversion. Since the work of current to 1mA of DS18B20, so the pull-up resistor 5K alone is not enough to provide power, and when there are a few DS18B20 hanging in the same I / O lines and also to the Way is to DS18B20 supply VDD pin is access from an external power supply, shown in temperature conversion, the problem is more acute. Figure 1. The advantage is I / O line does not need to strengthen the pull, and bus controller not always remain high during the conversion temperature. This can allow the conversion during the single data bus for other exchanges. In addition, single bus can carry as many pieces DS18B20 temperature sensor , and if they all use external power, then it can first send a Skip ROM command, followed by a Convert T command, so that they at the same time the temperature conversion. Note that when coupled with an external power supply, GND pins can not be left floating. When the temperature is higher than 100 °C, the parasitic power use is not recommended, because in this temperature DS18B20 show relatively large leakage current, communications may not be possible. In this case the temperature should be used DS18B20 the VDD pin. 8th International Conference on Social Network, Communication and Education (SNCE 2018) Copyright © 2018, the Authors. Published by Atlantis Press. This is an open access article under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/). Advances in Computer Science Research, volume 83