传感器与微系统
傳感器與微繫統
전감기여미계통
Transducer and Microsystem Technologies
2015年
10期
118-120,132
,共4页
发动机控制器%导流叶片角度%自整角机%等精度测频
髮動機控製器%導流葉片角度%自整角機%等精度測頻
발동궤공제기%도류협편각도%자정각궤%등정도측빈
engine controller%guide vane angle%automatic adjust-angle transformer%equal precision frequency measurement
导流叶片角度的数字化测量是设计发动机数字式控制器的重要环节。介绍了自整角机的工作原理,以现场可编程门阵列( FPGA)芯片为控制核心,结合电压/频率转换( VFC)和等精度测频法,对测量系统进行了硬件和软件设计,最后进行了实验验证。通过在实验室和现场测试证明:该测量方法正确,测量系统可靠,其测量角度相对误差不超过0.2%。
導流葉片角度的數字化測量是設計髮動機數字式控製器的重要環節。介紹瞭自整角機的工作原理,以現場可編程門陣列( FPGA)芯片為控製覈心,結閤電壓/頻率轉換( VFC)和等精度測頻法,對測量繫統進行瞭硬件和軟件設計,最後進行瞭實驗驗證。通過在實驗室和現場測試證明:該測量方法正確,測量繫統可靠,其測量角度相對誤差不超過0.2%。
도류협편각도적수자화측량시설계발동궤수자식공제기적중요배절。개소료자정각궤적공작원리,이현장가편정문진렬( FPGA)심편위공제핵심,결합전압/빈솔전환( VFC)화등정도측빈법,대측량계통진행료경건화연건설계,최후진행료실험험증。통과재실험실화현장측시증명:해측량방법정학,측량계통가고,기측량각도상대오차불초과0.2%。
Digitization measurement of guide vane angle is an important link when engine digital controller is designed. Working principle of automatic adjust-angle transformer is introduced,and in combination with V/F conversion( VFC)and equal precision frequency measurement method,hardware and software of the measuring system are designed,using FPGA chip as control core,experimental verification is carried out. Experimental result in lab and airplane show that measuring method is correct and the angle measurement system is reliable and relative error of angle measurement is less than 0. 2%.