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一、问题的提出目前所采用的调节器中,最简单的调节规律是双位调节。双位调节是一种简便易行、应用广泛的控制方式,工业设备和机械装置、生活设施和实验仪器中经常可以看到双位式调节系统。如气动仪表供气系统的空气贮罐的压力调节,电冰箱、电烘箱和管式电炉的温度调节,自来水厂供水箱或工厂水池的液面调节,均是双位调节的很好例子。在节能自控系统中双位式的调节占有较大的比重,是较快发展生产自动化的有效途径之
First, the question raised At present, the regulator used, the most simple regulation is a double adjustment. Two-position adjustment is a simple and easy-to-use and widely used control method. Two-position adjustment system can often be seen in industrial equipment and machinery, living facilities and laboratory instruments. For example, the pressure adjustment of the air tank of the pneumatic instrument air supply system, the temperature adjustment of the refrigerator, the electric oven and the tube electric furnace, the water level adjustment of the water supply tank of the waterworks or the factory pool are all good examples of two-position adjustment. In the energy-saving automatic control system, two-position regulation occupy a larger proportion of the rapid development of production automation is an effective way