【摘要】 介绍了一种用于流动注射分析的蠕动泵步进电机控制电路。控制电路中采用了集成电路AD6 5 4和可编程逻辑器件 (GAL) ,可实现无级调速。步进电机工作平稳 ,容易与计算机连接。该控制电路结构简单 ,成本低廉 ,易于实现 ,实际运行效果良好更多还原

【Abstract】 A circuit for controlling stepper motor used for driving peristaltic pump in flow injection analysis is described. The integrated circuit AD654 and the programmable logic device (GAL) are used to realize stepless speed change. The stepper motor works smoothly and is easy to be connected with computer. The construction of the circuit is simple, the cost is low and the performance is satisfactory更多还原