AASTHA DAK

Ms. AASTHA DAK

Sardar Vallabhbhai National Institute of Technology Surat, Surat, India

Research Focus & Metrics

Academic Career Length

5Years (2022-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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27 July 2022 in Sensors
Verified
Journal Article
Open access
PDF file
AUAsfia Jawed Iqbal Urooj
Asfia Jawed Iqbal Urooj
ADAASTHA DAK
AASTHA DAK
BRBranko Ristic
Branko Ristic
RRRahul Radhakrishnan
Rahul Radhakrishnan
In this paper, angles-only target tracking (AoT) problem is investigated in the non Gaussian environment. Since the conventional minimum mean square error criterion based estimators tend to give poor accuracy in the presence of large outliers or impulsive noises in measurement, a maximum correntropy criterion (MCC) based framework is presented. Accordingly, three new estimation algorithms are developed for AoT problems based on the conventional sigma point filters, termed as MC-UKF-CK, MC-NSKF-GK and MC-NSKF-CK. Here MC-NSKF-GK represents the maximum correntropy new sigma point Kalman filter realized using Gaussian kernel and MC-NSKF-CK represents realization using Cauchy kernel. Similarly, based on the unscented Kalman filter, MC-UKF-CK has been developed. The performance of all these estimators is evaluated in terms of root-mean-square error (RMSE) in position and % track loss. The simulations were carried out for 2D as well as 3D AoT scenarios and it was inferred that, the developed algorithms performed with improved estimation accuracy than the conventional ones, in the presence of non Gaussian measurement noise.

17 October 2022 in Control Theory and Technology
Verified
Journal Article
Closed access
PDF file
ADAASTHA DAK
AASTHA DAK
RRRahul Radhakrishnan
Rahul Radhakrishnan