Design of a Multiplex Data Collecting Controller Based on FPGA

摘要：

In order to satisfy some requirements for special data acquisition systems, in this paper, a new design method used by data collecting controller is introduced. The main objective of this approach is to integrate DAC and ADC chips into one FPGA (Field programmable Gate Array) chip. The controller can not only collect multiplex analog data, but also output multiplex analog controlling signals, coupled with a minimum amount of external components. At the same time, this approach reduces the cost of hardware and resource of software exceedingly. Employing the principle of PWM, the paper puts forward a new design method to implement conversion between digital signal and analog signal without special DAC or ADC based on FPGA. Moreover, the principle and working mechanism of the controller is discussed in details, while the internal circuit block diagram is also presented.

关键词： DAC and ADC FPGA PWM data collecting controller

作者: Zhaojin WEN Weihai CHEN Zhiyue XU Jianzong CUI

作者单位: Beijing University of Aeronautics and Astronautics, China

会议类型: 国际会议

会议名称: 2nd IEEE Conference on Industrial Electronics and Applications(ICIEA 2007)(第二届IEEE工业电子与应用国际会议)

会议地点: 哈尔滨

会议语种:英文

在线出版日期: 2007-05-23（万方平台首次上网日期，不代表论文的发表时间）