HYPERSTABILITY

作品数：8被引量：6H指数：1
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相关期刊：《Acta Mathematica Scientia》《CES Transactions on Electrical Machines and Systems》《High Technology Letters》更多>>
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Speed Identification of Speed Sensorless Linear Induction Motor Based on MRAS被引量：1
《CES Transactions on Electrical Machines and Systems》2023年第3期294-300,共7页Xuan Tu Xinguo Hou Jinghong Zhao Sinian Yan Yiyong Xiong 
supported in part by Natural Science Foundation for Innovative Groups of Hubei Province under grant 2018CFA008。
In the linear induction motor control system,the optical grating speed transducer is susceptible to strong magnetic field interference.What's more,it may reduce motor integration and raise device costs.Therefore a spe...
关键词：Linear induction motor Model reference adaptive system Speed sensorless Popov hyperstability 
THE GENERALIZED HYPERSTABILITY OF GENERAL LINEAR EQUATION IN QUASI-2-BANACH SPACE
《Acta Mathematica Scientia》2022年第4期1357-1372,共16页Ravinder Kumar SHARMA Sumit CHANDOK 
AISTDF,DST India for the research grant vide project No.CRD/2018/000017。
In this paper,we study the hyperstability for the general linear equation f(ax+by)=Af(x)+Bf(y)in the setting of complete quasi-2-Banach spaces.We first extend the main fixed point result of Brzdek and Ciepliński(Acta...
关键词：HYPERSTABILITY quasi-2-Banach spaces fixed point general linear equation 
HYPERSTABILITY OF THE GENERALIZED CAUCHY-JENSEN FUNCTIONAL EQUATION IN ULTRAMETRIC SPACES
《Acta Mathematica Scientia》2019年第4期1017-1032,共16页Prondanai KASKASEM Chakkrid KILN-EAM 
Science Achievement Scholarship of Thailand, which provides funding for research
In this article, we prove hyperstability results of the generalized Cauchy-Jensen functional equation αf(x+y/α+z)=f(x)+y(y)+αf(z)for any fixed positive integer α> 2 in ultrametric Banach spaces by using fixed poin...
关键词：HYPERSTABILITY GENERALIZED Cauchy-Jensen FUNCTIONAL EQUATION ULTRAMETRIC space 
APPROXIMATE SOLUTION OF P-RADICAL FUNCTIONAL EQUATION IN 2-BANACH SPACES
《Acta Mathematica Scientia》2019年第2期551-566,共16页Muaadh ALMAHALEBI Abdellatif CHAHBI 
The aim of this paper is to introduce and solve the p-radical functional equation ■We also state an analogue of the fixed point theorem [12, Theorem 1] in 2-Banach spaces and investigate stability for this equation i...
关键词：stability HYPERSTABILITY 2-Banach SPACES p-radical functional EQUATIONS 
ON A FIXED POINT THEOREM IN 2-BANACH SPACES AND SOME OF ITS APPLICATIONS被引量：5
《Acta Mathematica Scientia》2018年第2期377-390,共14页Janusz BRZDEK Krzysztof CIEPLINSKI 
The aim of this article is to prove a fixed point theorem in 2-Banach spaces and show its applications to the Ulam stability of functional equations. The obtained stability re- sults concern both some single variable ...
关键词：fixed point theorem 2-normed space Ulam stability HYPERSTABILITY 
ON HYPERSTABILITY OF THE BIADDITIVE FUNCTIONAL EQUATION被引量：1
《Acta Mathematica Scientia》2017年第6期1727-1739,共13页Iz-iddine EL-FASSI Janusz BRZDEK Abdellatif CHAHBI Samir KABBAJ 
We present results on approximate solutions to the biadditive equationf（x＋y,z-w）＋f（x-y,z＋w）=2f（x,z）-2f（y,w）on a restricted domain. The proof is based on a quite recent fixed point theorem in some function s...
关键词：HYPERSTABILITY Ulam stability biadditive functional equation fixed point the-orem characterization of inner product space 
ON APPROXIMATELY(p,q)-WRIGHT AFFINE FUNCTIONS AND INNER PRODUCT SPACES
《Acta Mathematica Scientia》2016年第2期593-601,共9页Anna BAHYRYCZ Magdalena PISZCZEK 
We prove, using the fixed point approach, some results on hyperstability （in normed spaces） of the equation that defines the generalization of p-Wright affine functions and show that they yield a simple characteriza...
关键词：HYPERSTABILITY p-Wright affine function complex inner product space fixedpoint theorem 
An adaptive load torque observer using hyperstability for PMSM servo system
《High Technology Letters》2005年第4期387-391,共5页高扬 Xu Dianguo 
国家高技术研究发展计划(863计划)
An adaptive load torque observer is presented to compensate the torque ripple in PMSM servo system. A simple adaptive scheme is derived using Popov ＇ s hyperstability theory. The torque ripple detected by the observe...
关键词：adaptive load torque observer PMSM HYPERSTABILITY torque ripple 
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