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A platform for research: civil engineering, architecture and urbanism
Extended Kalman Filter and Its Application in Pavement Engineering
Abstract Kalman filter is a signal processing technique that estimates the state of a dynamic system from a series of noisy measurements. It is used in a wide range of engineering applications from radar to computer vision. This chapter demonstrates the application of a model identification procedure based on extended Kalman filter (EKF) and weighted global iteration (WGI) technique in pavement engineering. In particular, EKF-WGI is used to perform layer moduli back-calculation from falling weight deflectometer (FWD) data and to identify model parameters for Generalized Maxwell Model for hot mix asphalt using frequency sweep test data. In both cases, EKF-WGI is shown to provide consistent results that are independent of the seed values for both linear and nonlinear problems. It is believed that EKF-WGI provides an efficient, consistent and robust tool for optimization that has many potential applications.
Extended Kalman Filter and Its Application in Pavement Engineering
Abstract Kalman filter is a signal processing technique that estimates the state of a dynamic system from a series of noisy measurements. It is used in a wide range of engineering applications from radar to computer vision. This chapter demonstrates the application of a model identification procedure based on extended Kalman filter (EKF) and weighted global iteration (WGI) technique in pavement engineering. In particular, EKF-WGI is used to perform layer moduli back-calculation from falling weight deflectometer (FWD) data and to identify model parameters for Generalized Maxwell Model for hot mix asphalt using frequency sweep test data. In both cases, EKF-WGI is shown to provide consistent results that are independent of the seed values for both linear and nonlinear problems. It is believed that EKF-WGI provides an efficient, consistent and robust tool for optimization that has many potential applications.
Extended Kalman Filter and Its Application in Pavement Engineering
Wu, Rongzong (author) / Choi, Jae Woong (author) / Harvey, John T. (author)
2009-01-01
15 pages
Article/Chapter (Book)
Electronic Resource
English
Kalman filter , weighted global iteration , falling weight deflectometer , layer moduli back-calculation , model parameter identification , generalized Maxwel model Computer Science , Artificial Intelligence (incl. Robotics) , Building Construction , Geoengineering, Foundations, Hydraulics , Appl.Mathematics/Computational Methods of Engineering , Engineering Economics, Organization, Logistics, Marketing
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