arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1906.00352eess.SYcs.SY
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建筑供暖、通风和空气调节(HVAC)系统的线性模型预测控制器(LMPC)

Linear Model-Predictive Controller (LMPC) for Building's Heating Ventilation and Air Conditioning (HVAC) System

Washington State University(华盛顿州立大学)

Mohammad Ostadijafari, Anamika Dubey

AI总结:

本文提出了一种用于建筑HVAC系统的线性模型预测控制器(LMPC),通过线性化方法提高了计算效率并准确逼近非线性最优控制决策。

摘要:

模型预测控制(MPC)是一种广泛用于建筑中供暖、通风和空气调节(HVAC)系统温度设定点跟踪和能量优化的技术。然而,非线性建筑热力模型导致了计算成本高昂的非线性MPC问题,不适用于实时控制和优化。本文提出了一种新的近似线性化模型,用于建筑的热力学动态和HVAC系统的能耗,从而得到一个计算高效的线性模型预测控制器(LMPC)。我们采用反馈线性化技术获得非线性热力建筑动态的等效线性化模型,并利用约束映射方法获得新的控制变量的线性化形式。接下来,通过分段线性化,我们获得HVAC系统能耗的线性化分析模型。所提出的LMPC技术通过多个仿真案例研究进行了验证。我们证明所提出的LMPC技术不仅计算高效,而且能够准确逼近非线性最优控制决策。

英文摘要:

Model predictive control (MPC) is a widely used technique for temperature set-point tracking and energy optimization of Heating Ventilation and Air Conditioning (HVAC) systems in buildings. Unfortunately, a nonlinear thermal building model leads to a computationally expensive nonlinear MPC problem that is not suitable for real-time control and optimization. This paper presents a novel approximate linearized model for building's thermal dynamics and the HVAC system power consumption that leads to a computationally efficient linear model predictive controller (LMPC) for the buildings' HVAC systems. We employ feedback linearization technique to obtain an equivalent linearized model for the nonlinear thermal building dynamics and use constraint mapping approach to obtain a linearized formulation for new control variables. Next, using piecewise linearization, we obtain a linearized analytical model for the HVAC system power consumption. The proposed LMPC technique is validated using multiple simulation case studies. We demonstrate that the proposed LMPC technique is not only computationally efficient but also accurately approximates the nonlinear optimal control decisions.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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