Application of state feedback decoupling technology in variable air volume air conditioning system

2013-09-22
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The control system of variable air volume central air conditioning (VAV) is an important part of building automation. The variable air volume air conditioning system has the characteristics of multi-variable and multi-circuit coupling. When multiple control loops work at the same time, the mutual coupling and mutual interference between the loops seriously affect the performance of the variable air volume air conditioning system. Removing or reducing the coupling between multiple loops is extremely critical and important, which has always been a difficult problem for VA systems. Keywords Variable air volume Multivariable state feedback solution Abstract The concept stems from the operation of VAV (variable air volume) and the control system. The VAVs system provides multiple control loops and multiple operating modes. When the control loops work together, the feedback loop affects each other and influences the performance of VAV system. Decreasing or eliminating the coupling among the multi-loops is very important. This is also a significant improvement in the VAVs system. The speed of VAVs system is stable in this regard. aper.Thecontorledprocessis changed into diagonal matrix through state feedback decoupling technology, so that VAV system is decoupled.Keywords Variablevolume Multi-variable Statefeedback Decoupling

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Application of state feedback decoupling technology in variable air volume air conditioning system

Document Introduction