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INTELLIGENT BUILDING RESEARCH

INTELLIGENT BUILDING RESEARCH. Chia Y. Han ECECS Department University of Cincinnati. Introduction. Building. Components are live – each has its own life cycle Ideal design conditions are assumed to be throughout the entire life cycle

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INTELLIGENT BUILDING RESEARCH

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  1. INTELLIGENT BUILDING RESEARCH Chia Y. Han ECECS Department University of Cincinnati

  2. Introduction Building • Components are live – each has its own life cycle • Ideal design conditions are assumed to be throughout the entire life cycle • Interrelationships change with both time and events • No monitoring for detection of deterioration • Preventive maintenance – often wasteful & harmful • Experts in the field are few • Digital devices are still proprietary • Interoperability across AEC/FM • New open systems are coming

  3. Sinclair College - Library

  4. Kiosk Development ca. 1994 Lindner Hall – CBA building

  5. Fujitec Elevator Monitoring Syst. IRS Building

  6. Work control

  7. Client/Server Architecture Devices Devices Old Console Console Data Storage Application Application

  8. Interoperability

  9. IFC_2X

  10. BLIS Building Lifecycle Interoperable Software Project

  11. BACnet

  12. BACnet Objects • Analog Input • Analog Output • Analog Value • Averaging Object • Binary Input • Binary Output • Binary Value • Calendar • Command • Device • Event Enrollment • File Object • Group Object • Life Safety Point • Life Safety Zone • Loop Object • Multi-state Input Object • Multi-state Output Object • Multi-state Value Object • Notification Class Object • Program Object • Schedule Object • Trend Object

  13. BACnet device

  14. BACnet Communication Protocol

  15. Web Services

  16. Web-based open systems

  17. How smart can it be? Intelligent behavior • Automatic model configuration - based on the currently existing components and their respective forms and functions. • Operation adaptive to dynamic environment • - real-time data search and access • - model-based and rule-based control

  18. Console IBS Architecture AEC/Vendor/Regulatory Documents PPCL Programs CAD DXF/DWG Layout/Layer Reasoner System Modeling VISIO EXPRESS Energy BLIS-XML Rule Generator Building Services Service & Building Selection Operating Maintenance Repair Monitoring Reporting FDD Service request KB IE Monitoring Diagnosis DB DB Message Routing Report Generation Work Control Center

  19. Major building systems • HVAC • Lighting • Energy/power • Communication • Plumbing • Fire Safety • Security

  20. HVAC Systems

  21. Background • Rule-based expert systems for fault detection and diagnostics (FDD) applications have been implemented • Rules can be defined by carefully analyzing the logic of a DDC program in terms of both the normal and abnormal states of the affected subsystem on a given input. • Existence of expert knowledge in mature engineering and technology fields.

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