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First City-Level AI-enhanced Digital Twin Platform for Heritage Buildings of Hong Kong Launches

Insider Brief

  • Hong Kong University of Science and Technology (HKUST) has developed a digital twin.
  • The twin will look to map digitally heritage buildings across Hong Kong.

HONG KONG, CHINA, May 15, 2024 /EINPresswire.com/ — Hong Kong’s cultural heritage buildings, including temples, churches, and government structures, showcase a unique fusion of diverse architectural styles. In response to the increasing impact of extreme weather events and frequent fires in Hong Kong, there is a pressing need for the protection of heritage buildings. Dr. Zhang Jiaying, a postdoctoral researcher at the Hong Kong University of Science and Technology (HKUST), has pioneered the Hong Kong’s first city-level AI-enhanced Digital Twin platform for heritage buildings. This platform aims to establish an intelligent monitoring and protection system for heritage buildings across Hong Kong’s eighteen districts. By leveraging Generative Artificial Intelligence, specifically the integration of 3D modeling and large language models, this next-generation Digital Twin technology will enhance the overall management and protection efficiency of Hong Kong’s cultural heritage buildings.

Intelligent Perception and AI 3D reconstruction

The city-level heritage building monitoring network integrates satellite remote sensing, drones, the Internet of Things (IoT), and radar technologies. Using AI modeling techniques, the platform enables efficient and detailed 3D reconstruction of heritage buildings, accurately replicating their real-world scenarios. This also addresses the challenge of lightweighting complex building models, a task primarily completed by HKUST doctoral student Liang Zhenyu. This approach allows for the rapid establishment of numerous 3D models of Hong Kong’ s heritage buildings within a short period and ensures the efficient future updates of these 3D records.

Hong Kong City-level platform

Integrated Digital Twin Platform

IoT technology monitors the condition of heritage buildings and the weather conditions in various locations across Hong Kong, creating a comprehensive database covering all 18 districts. For heritage preservation, the high-level data understanding of the digital twin intelligent system facilitates maintenance checks and automatic adjustments, environmental simulation, emergency warnings and decision support for weather disasters and fires, semantic indexing and querying of buildings, and energy consumption simulation and optimization.

Responsive Image

From the city-level platform, users can access sub-platforms for individual heritage buildings. Environmental conditions, particularly air quality, and the energy consumption of individual buildings or complexes can be monitored and automatically optimized in real-time. Dr. Zhang Jiaying has developed a digital twin for the declared monument FWD HOUSE 1881 in the heart of Tsim Sha Tsui, leveraging Heritage Building Information Modeling (HBIM), Geographic Information Systems (GIS), Augmented Reality and Virtual Reality (AR/VR), IoT, Computational Fluid Dynamics (CFD), energy consumption simulation, AI, and data analytics. This project aims to improve environmental management for the preservation of heritage buildings and historic collections. CFD simulations analyzed the impact of HVAC settings and layouts on the environment under different conditions, while energy simulations enhanced the accuracy and timeliness of HVAC system control, reducing energy use and carbon emissions to support the sustainable operation of heritage buildings. AI technology predicts environmental parameter changes, allowing preemptive HVAC system adjustments to mitigate damage to heritage buildings from poor air quality.

Integrated Digital Twin Platform

Data Retrieval and AI Intelligent Interaction

The platform uses large language models (LLM) to create interactive intelligent agents for digital heritage building models. Given the diverse eras and styles of Hong Kong’s heritage buildings, recognizing the semantics of their components can be challenging for non-experts. The digital twin intelligent agents enable users to interact and converse with the models, simply entering vague queries to highlight relevant building components and present associated information. This functionality, developed primarily by HKUST master’s student Chan Chak Fu, enhances the documentation and querying capabilities of heritage components in digital twins. Interaction with the AI language model allows for quick retrieval of historical backgrounds, architectural styles, and cultural significance of specific heritage buildings in Hong Kong.

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Jack Boreham

Jack Boreham is the editorial director and account executive at the Digital Twin Insider: the leading digital twin publication globally. Jack has been at the forefront of the platform's growth as a digital twin specialist - writing and advising projects in the Digital Twin space for over two years. [email protected]

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The Future of Materials Discovery: Reducing R&D Costs significantly with GenMat’s AI and Machine Learning Tools

When: July 13, 2023 at 11:30am

What: GenMat Webinar

Picture of Jake Vikoren

Jake Vikoren

Company Speaker

Picture of Deep Prasad

Deep Prasad

Company Speaker

Picture of Araceli Venegas

Araceli Venegas

Company Speaker

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