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电加热反应釜温度控制电加热化学反应釜
发布者:admin  日期:2016-05-09  点击:1395

电加热反应釜温度控制电加热化学反应釜是种广泛应用于精细化工生产中的种常设备,主要用于精细化工原原料的生产。反应釜的温度控制有两种1靠调节双向晶闸管31的导通角的大小来调节输出功率的大小;2通过调节单位时间内周波次数来调节输出功率的大小。前种负载上得到的电压是非正弦波,会造成电网的污染;移相触发方式还缩短了晶闸管的使用寿命。后种其波形为完整本系统采用后者。

Electric heating reactor temperaturecontrol electric(www.gfanyingfu.com) heating chemical reactor is widely used in fine chemicalproduction of the kind of equipment, mainly used for the production of finechemical raw materials. Reactor temperature control has two 1 by adjustingbidirectional thyristor 3, 1 conduction angle to adjust the size of the outputpower size. 2 by the adjustment cycle times in unit time to adjust the size ofthe output power. The voltage obtained from the previous load is nonsinusoidal, which can cause the pollution of the power grid. The phase shifttrigger mode also shortens the service life of the thyristor. After the kind ofwaveform for the integrity of the system using the latter.电加热反应釜温控系统的硬件由1各部分组成。以人1851为核心,外扩键盘输入和显温度。电加热反应盖实,温度山热电偶测量并转换成毫伏信号,通过温度变送单元处理,经运算放大器放大到05电信号,由人,转成数字量,此数宁试经数字滤波。标度货换后。方面通过10显;另方面与给定进行比报警121位机控制功能。

The hardware of the temperature controlsystem of the electric heating reactor is composed of 1 parts. 18 team 51 asthe core, the expansion of the keyboard input and display temperature. Electricheating reaction cover, mountain thermocouple temperature measurement andconversion into a millivolt signal, through the temperature change send theprocessing unit, the op amp amplification to 05 electrical signals, by person,turn into the digital quantity, this number Ning try by digital filtering.After the standard goods for. On the other hand, the control function of the 1lower 10 bit machine is compared with the alarm 12.

由于受反应原料数量。反应的放热吸热。7不同。对象参数变化较大。要建立精确的数学模增较为困难。鉴于上述原因,在本系统中米用5,模糊复合控制系统。解决了传统的3出控制系统的设计过于依赖被控对象的精确模型,当被控对象参数变化时,其控制性能会显著变坏。而模糊控制的优点是对参数变化和噪声不敏感。

Because of the number of raw materials.Exothermic endothermic reaction. 7 different. Large object parameter variation.It is difficult to establish accurate mathematical model. In view of the above reasons,in this system, the use of 5 meters, fuzzy composite control system. The designof the traditional 3 out control system is too dependent on the accurate modelof the controlled object. When the parameters of the controlled object arechanged, the control performance will be significantly worse. And the advantageof fuzzy control is not sensitive to parameter variation and noise.

文章来源:http://www.gfanyingfu.com/news.asp?lt=318
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