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NOVEL TEMPERATURE CONTROL TECHNIQUE FOR A MEDICINAL HERB DRYER SYSTEMPOWERED BY A PHOTOVOLTAIC ARRAY

机译:光伏阵列对药用药草干燥机系统的新型温度控制技术

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This paper presents a new temperature control technique for a medicinal herb dryer system. The technique fixes the drying temperature of the medicinal herbs at 40 °C, even in cases of rapidly changing atmospheric conditions. The control of the dryer temperature is achieved through using the proportional integral (PI) controller. The designed dryer contains two systems, which are the thermal and the electrical systems. The thermal system is designed to heat the drying air by using the solar energy and bio-gas fuel. Whereas, the electrical system, which contains a photovoltaic (PV) modules and a battery, is designed to supply the different electrical loads of the dryersystem. The control technique is investigated through simulation work by using MATLAB-SIMULINK. Thesimulation results indicate the high capability of the proposed technique in controlling the drying temperature, even in cases of rapidly changing atmospheric conditions.
机译:本文提出了一种用于药草烘干机系统的新型温度控制技术。即使在迅速变化的大气条件下,该技术也可以将草药的干燥温度固定在40°C。通过使用比例积分(PI)控制器可以实现对干燥机温度的控制。设计的干燥机包含两个系统,分别是热力系统和电气系统。热系统设计用于通过使用太阳能和沼气来加热干燥的空气。而包含光伏(PV)模块和电池的电气系统旨在为干燥机提供不同的电气负载 系统。通过使用MATLAB-SIMULINK进行仿真工作来研究控制技术。这 仿真结果表明,即使在迅速变化的大气条件下,所提出的技术也具有控制干燥温度的高能力。

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