The intelligent building automation system of smart buildings is a key technology for improving building energy efficiency and optimizing environmental quality in smart buildings. This study designs a modular and extensible system architecture based on technologies such as the Internet of Things (IoT)

artificial intelligence (AI)

and cloud-edge collaboration. It analyzes the application of core technologies in data processing

energy efficiency optimization

and environmental control. Through real-world case studies

the system demonstrates outstanding performance in energy consumption management

environmental adjustment

and response speed

showcasing excellent adaptability and reliability. The research results indicate that this system can effectively enhance the operational efficiency of smart buildings

providing a valuable reference for the future development of smart building technologies.