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ORNL has been collaborating with five of the 36 awardees on various projects, including developing design and simulation tools for various hybrid ground source heat pump systems, creating the first national certification program for GSHP related professionals, and evaluating the energy-saving performance of several hybrid GSHP systems in Tennessee. Contact information: Dr. Xiaobing Liu, 865-574-2593, liux2@ornl.gov Advanced Controls and Integrated Commissioning and Diagnostics R&D Advanced building controls play a significant role in improving building energy performance. Advanced controls promise unprecedented levels of sensing and automated response to changes in the internal and external environment. The delivery of continuous, up-to-date information on building system and component performance will enable more cost-effective equipment servicing and optimized building operation. Building owners and operators will see lower maintenance and operating costs, and building occupants will enjoy greater levels of comfort and personalized control. Suboptimal building operation due to a lack of advanced controls or existing control faults currently account for between 2% and 11% of all energy consumed by commercial buildings. The BTP has been involved in a process of developing R&D plans for advanced control technologies for building applications. The goal of the process is to identify opportunities for targeted R&D that will result in significantly increased use of control technologies that yield energy savings. Through this research, a number of novel technological and analytical software solutions are currently being developed and refined by a number of national laboratories, universities, and private sector companies to address these issues for a variety of building systems. Opportunity #1 - Self-Correcting and Self-Configuring HVAC Controls The objective of the project is to develop and test techniques and algorithms for control systems to automatically correct and compensate for faults occurring in HVAC systems and their components. Industry partners will be leveraged to integrate these capabilities with building control systems to ensure that new and existing commercial buildings continuously operate near peak efficiency. Successful development and deployment of this technology will save an average of up to 30% of the energy used for HVAC in commercial buildings with a potential for transfer to residential systems. PNNL is the lead laboratory for this project with NREL providing technical support on PNNL-led tasks and serving as a major contributor in laboratory and field- testing. Broken, degraded, and incorrectly configured systems are pervasive throughout the commercial buildings sector. Manual approaches to remedy issues are too costly and inconsistent and have failed to penetrate the market significantly. Persistent performance is critical to capturing savings of 30% and more across the commercial sector and to produce buildings that will actually achieve deep and persistent energy savings. Increased use of automation presents an opportunity to solve this problem by better leveraging the human capital for operating and maintaining buildings, as it has in other fields such as manufacturing and transportation. Self-correcting technology can overcome many of the impediments to better operation and maintenance of building systems by using automation to solve many common problems in HVAC systems, 171PDF Image | 4th Annual Chena Renewable Energy Fair
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