工业仪表与自动化装置
工業儀錶與自動化裝置
공업의표여자동화장치
INDUSTRIAL INSTRUMENTATION & AUTOMATION
2014年
5期
3-7,13
,共6页
风洞%边界层控制%算法优化%MATLAB%仿真
風洞%邊界層控製%算法優化%MATLAB%倣真
풍동%변계층공제%산법우화%MATLAB%방진
wind tunnel%boundary layer control%algorithm optimization%MATLAB%simulation
为提高风洞侧壁边界层控制系统性能，文中通过介绍NF-3大型低速翼型风洞多喷嘴级联吹气侧壁边界层控制系统的结构和原理，分析并优化侧壁边界层控制系统的控制算法，利用MATLAB软件实现了对优化前与优化后的控制算法的仿真，并对仿真结果进行了分析。仿真结果表明：神经网络自适应PSD控制算法可提高控制系统的稳定性、准确性和响应速度，在一定程度上能够减小阀门的时滞性和非线性对控制结果的影响。
為提高風洞側壁邊界層控製繫統性能，文中通過介紹NF-3大型低速翼型風洞多噴嘴級聯吹氣側壁邊界層控製繫統的結構和原理，分析併優化側壁邊界層控製繫統的控製算法，利用MATLAB軟件實現瞭對優化前與優化後的控製算法的倣真，併對倣真結果進行瞭分析。倣真結果錶明：神經網絡自適應PSD控製算法可提高控製繫統的穩定性、準確性和響應速度，在一定程度上能夠減小閥門的時滯性和非線性對控製結果的影響。
위제고풍동측벽변계층공제계통성능，문중통과개소NF-3대형저속익형풍동다분취급련취기측벽변계층공제계통적결구화원리，분석병우화측벽변계층공제계통적공제산법，이용MATLAB연건실현료대우화전여우화후적공제산법적방진，병대방진결과진행료분석。방진결과표명：신경망락자괄응PSD공제산법가제고공제계통적은정성、준학성화향응속도，재일정정도상능구감소벌문적시체성화비선성대공제결과적영향。
In order to improve the performance of the sidewall boundary layer control system in wind tunnel, the structure and the application of multi-injector blowing sidewall boundary layer control system for NF-3 airfoil low-speed wind tunnel was described, the control algorithm was analyzed and opti-mized, the MATLAB software was applied to simulate and analyze the control algorithm that have been optimized and not, respectively.The results of simulation show that the neural network adaptive PSD con-trol algorithm can improve the stability, accuracy and the response velocity of the control system, to a certain extent, can reduce the valve's delay and nonlinear impact on the controlling results.
