Ruy Alberto Corrêa Altafim

University of São Paulo

16H指数

131论文数

932被引数

收录论文 8

发表时间

Comparative analysis of the R15i sensor and a thermoformed piezoelectret transducer for partial discharge acoustic signal detection R15i传感器与热成型压电介电体换能器在局部放电声信号检测中的比较分析

Electric Power Systems Research

IF4.2

2025-06-24

PREAI

J.F. Alves; T.T.C. Palitó; R.A.P. Altafim; C. Domingues; R.A.C. Altafim

Current Transducer Based on Thermoformed Piezo-Magnetic-Electrets

IEEE SENSORS JOURNAL

IF4.5

2024-09-15

OAAI

Santos, Amelia M.; Moreira, Rui A.; Silveira, Tagleorge M.; Altafim, Ruy A. P.; Silva, Elvio P.; Santos, Polyane A.; Lima, Ronaldo M.; Altafim, Ruy A. C.

Capacitance, Quality Factor, and Magnetic Field Influence on Thermoformed Magnetic-Piezoelectret

IEEE SENSORS JOURNAL

IF4.5

2024-06-15

PREAI

Santos, Amelia M.; Moreira, Rui A. S.; Altafim, Ruy A. P.; Altafim, Ruy A. C.

Incipient fault diagnosis in power transformers by data-driven models with over-sampled dataset

ELECTRIC POWER SYSTEMS RESEARCH

IF4.2

2021-12-01

PREAI

de Andrade Lopes, Sofia Moreira; Flauzino, Rogerio Andrade; Correa Altafim, Ruy Alberto

Ferroelectret-based Hydrophone Employed in Oil Identification-A Machine Learning Approach

SENSORS

IF3.5

2020-05-24

OAAI

de Luna, Daniel R.; Palito, T. T. C.; Assagra, Y. A. O.; Altafim, R. A. P.; Carmo, J. P.; Altafim, R. A. C.; Carneiro, A. A. O.; de Sousa, Vicente A., Jr.

Low-cost electro-acoustic system based on ferroelectret transducer for characterizing liquids

MEASUREMENT

IF5.6

2019-01-01

PREAI

Palito, T. T. C.; Assagra, Y. A. O.; Altafim, R. A. P.; Carmo, J. P.; Altafim, R. A. C.

One-port nonlinear electric circuit for simulating grounding systems under impulse current

ELECTRIC POWER SYSTEMS RESEARCH

IF4.2

2016-01-01

OAAI

Correa Altafim, Ruy Alberto; Goncalves, Luiz, Jr.; Pisani Altafim, Ruy Alberto; Creppe, Renato Crivellari; Piantini, Alexandre