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Determining Uncertainties in AI Applications in AEC Sector and their Corresponding Mitigation Strategies
Automation in Construction  (IF7.7),  Pub Date : 2021-08-16, DOI: 10.1016/j.autcon.2021.103883
Yi An, Haijiang Li, Tengxiang Su, Yitong Wang

The Artificial Intelligence (AI) methodologies and techniques have been used to solve a wide spectrum of engineering problems in Architectural, Engineering and Construction (AEC) industry with the aim of improving overall productivity and optimized decision throughout full project life cycle (planning, design, construction and maintenance). However, many AI applications are facing different limitations and constrains due to the lack of comprehensive understanding about the inherent uncertainty fundamentally and mathematically, hence the use of AI has not achieved a satisfactory level. It requires different actions to tackle different types of uncertainties which varies according to different types of applications. This paper therefore reviews 5 type of popular AI algorithms, including Primary Component Analysis, Multilayer Perceptron, Fuzzy Logic, Support Vector Machine and Genetic Algorithm; then examines how these artificial intelligence techniques can assist the decision-making process by mitigating uncertainty meanwhile achieving the expected high efficiency. The paper reviews each germane technique, mathematical explanation, analysis of reasons causing uncertainty, and concludes a set of guidelines and an application framework for optimizing their informed uncertainty for AEC applications. This work will pave the way for the fundamental understanding and in turn to provide a valuable reference for applying AI techniques in AEC sector properly to achieve better overall performance.