基于ARM和DDS的行波型超声波电机驱动技术  

Driving technique of traveling wave type ultrasonic motor based on ARM and DDS

作　　者：张新星[1] 莫岳平[1] 段小汇[1] 丛进[1] 蒋斌[1] 杨杰 

机构地区：[1]扬州大学能源与动力工程学院,江苏扬州225009 [2]临海市牛头山水库管理局,浙江临海317006

出　　处：《扬州大学学报（自然科学版）》2009年第4期54-58,共5页Journal of Yangzhou University：Natural Science Edition

基　　金：江苏省高校自然科学研究计划项目(05KJB470158)

摘　　要：根据行波型超声波电机的驱动特点和要求,利用最新的技术和器件,设计了一种采用2片直接频率合成(direct digital frequency synthesis,简称DDS)芯片AD9854、高性能精简指令处理器(advanced RISCmachine,简称ARM)开发板S3C2410和专用功率放大芯片PA85相结合的高性能驱动系统,该系统的最大优点是实现了输出信号的频率、相位和幅度可调.实验结果表明,该系统具有精度高、灵活性和可靠性好的数字信号处理优势.Aimed at the consideration of the driving characteristic and requirement of the traveling wave type ultrasonic motor, using the latest technology and devices, a high performance driving system adopted two chips of AD9854 and a chip of S3C2410 and a special power amplifier chip PA85 is designed. This system can realize frequency-phase-amplitude programmable signal output. The results of experiments prove that the technique has the digital processing advantage of high precision, great flexible capability and reliability.

关 键 词：高性能精简指令处理器 直接频率合成 超声波电机 

分 类 号：TM359.9[电气工程—电机]