Improved Particle Filter for Non-Gaussian Forecasting-aided State Estimation
نویسندگان
چکیده
Gaussian assumptions of non-Gaussian noises hinder the improvement state estimation accuracy. In this paper, an asymmetric generalized distribution (AGGD), as a unified representation various unimodal distributions, is applied to formulate forecasting-aided problem. To address problem, novel particle filter method proposed, which integrates near-optimal AGGD proposal function and sampling into typical filter. The can approximate target variables greatly alleviate degeneracy promote precise estimation, through considering both transitions latest measurements. For rapid generation from function, efficient inverse cumulative (CDF) employed, based on derived approximation CDF AGGD. Numerical simulations are carried out modified balanced IEEE 123-bus test system. results validate that proposed outperforms other popular methods in terms accuracy robustness, whether Gaussian, non-Gaussian, or abnormal measurement errors.
منابع مشابه
State Estimation of CSTR Using Particle Filter
In this paper, Particle Filter algorithm has been employed for estimating the states namely concentration and temperature of a Continuous Stirred Tank Reactor (CSTR) and simulation results are presented. The propagation of particles through the nonlinear system model for the state estimation has been discussed. The states of the system are estimated by using the Particle Filter algorithm under ...
متن کاملThe Gaussian Particle Filter for Diagnosis of Non-linear Systems
Abstract: Fault diagnosis is a critical task for autonomous operation of systems such as spacecraft and planetary rovers, and must often be performed on-board. Unfortunately, these systems frequently also have relatively little computational power to devote to diagnosis. For this reason, algorithms for these applications must be extremely efficient, and preferably anytime. In this paper we intr...
متن کاملA robust particle filter for state estimation - with convergence results
Particle filters are becoming increasingly important and useful for state estimation in nonlinear systems. Many filter versions have been suggested, and several results on convergence of filter properties have been reported. However, apparently a result on the convergence of the state estimate itself has been lacking. This contribution describes a general framework for particle filters for stat...
متن کاملParticle Filter with Hybrid Proposal Distribution for Nonlinear State Estimation
Particle filters have been widely used in solving nonlinear filtering problems. Proposal Distribution design is a key issue for these methods and has vital effects on simulation results. Various proposal distributions have been proposed to improve the performance of particle filters, but practical situations have encouraged the researchers to design better candidate for proposal distributions i...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of modern power systems and clean energy
سال: 2023
ISSN: ['2196-5420', '2196-5625']
DOI: https://doi.org/10.35833/mpce.2021.000805