摘要
直升机智能旋翼是航空领域中一种典型的旋转机械,在对其进行数据采集和实时控制的过程中,设计信息传输通道有着重要的意义。设计了一种可同步双向、高速、实时进行非接触信息传输的系统。该系统采用了一种同步收发单光环耦合结构,克服了传统传输手段的诸多不足,并依靠高调制带宽的LED和PIN器件设计了高速收发电路,电路能在100MHz的频率下工作。系统中使用了FPGA作为控制核心对数据进行处理。仿真实验表明,该系统传输速度高、误码率低。
Helicopter＇s smart rotor is a typical kind of rotary machine in the aerospace industries.In the process of data acquisition and real-time control,the design of its information transmission channel is of great significance.A kind of non-contact information transmission system is designed,which can be synchronized with two-way,high speed and real time.This system uses a synchronous receive single ring coupling structure,overcoming the shortcomings of traditional transmission means.Also,the high speed transceiver circuit is designed based on LED and PIN devices with high modulation bandwidth.The circuit can work at the frequency of 100 MHz.In the system,FPGA is used as the control core to deal with data.Simulation results show that the system is of high transmission speed and low bit error rate.
出处
《国外电子测量技术》
2017年第2期78-82,共5页
Foreign Electronic Measurement Technology
基金
航空科学基金项目(2014ZC52039)
江苏高校优势学科建设工程项目资助
关键词
旋转机械
非接触测量
光电耦合
FPGA
rotary machine
non-contact transmission
photoelectric coupling
FPGA
