状态反馈解藕技术在变风量空调系统中的应用

变风量中央空调(VAV)的控制系统是楼宇自控的重要组成部分。变风量空调系统具有多变量、多回路藕合的特点，当多个控制回路同时工作时，各回路之间的相互祸合和相互干扰严重影响变风量空调系统的性能。解除或减小多回路之间的祸合是极为关键
和重要的，这也一直是VA、系统的难点问题。
关键词变风量多变量状态反馈解祸
Abstract Thec ontorlsy stemo fV AV(vairablea irvo lume)a irco nditioningsy stemi son eo fth em ostim portantpa rtso fbu ildingau tomaticco ntorl.Th e
VAVs ystemf eatuersof m ulti-variablean dc ouplingb etweenm ulti-contorllo ops.W hilem ultico ntorllo ops二workingto gether,th eyin terfeera ndin fluence
each other, and influence the performance of VAV system. Decreasing or eliminating the coupling among the multi-loops is very important. This is
alsoa d ificultpor blemi nV AVs ystem.T hes tates pacem odelof 4 in putsan d4 o utputsof V AVs ystemi se stabilshedin th isp aper.T hec ontorledp orcess
is changed into diagonal matrix through state feedback decoupling technology, so that VAV system is decoupled.
Keywords Variablea irv olume Multi-variable Statef eedback Decouplin