Grid impedance estimation for grid-tie inverters based on positive sequence estimator and morphological filter
Sign Up to like & getrecommendations! Published in 2020 at "Electrical Engineering"
DOI: 10.1007/s00202-020-00941-8
Abstract: This paper proposes a method for estimating the appropriate grid impedance for applications in which distributed generators are connected to the grid through three-phase inverters. The method is based on variations in active and reactive… read more here.
Keywords: positive sequence; grid impedance; morphological filter;
Diagonal slice spectrum assisted optimal scale morphological filter for rolling element bearing fault diagnosis
Sign Up to like & getrecommendations! Published in 2017 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2016.08.019
Abstract: Abstract This paper presents a novel signal processing scheme, diagonal slice spectrum assisted optimal scale morphological filter (DSS-OSMF), for rolling element fault diagnosis. In this scheme, the concept of quadratic frequency coupling (QFC) is firstly… read more here.
Keywords: scale morphological; fault; slice spectrum; diagonal slice ... See more keywords
Improved progressive morphological filter for digital terrain model generation from airborne lidar data.
Sign Up to like & getrecommendations! Published in 2017 at "Applied optics"
DOI: 10.1364/ao.56.009359
Abstract: Obtaining high-precision filtering results from airborne lidar point clouds in complex environments has always been a hot topic. Mathematical morphology was widely used for filtering, owing to its simplicity and high efficiency. However, the morphology-based… read more here.
Keywords: terrain; improved progressive; morphological filter; airborne lidar ... See more keywords