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SPECIAL SOLUTION PLANNING PROGRAMMED HYBRID DPWM ALGORITHM FOR THREE-LEVEL INVERTER BASED ON V-S BALANCE PRINCIPLE

期刊: UNIVERSITY POLITEHNICA OF BUCHAREST SCIENTIFIC BULLETIN SERIES C-ELECTRICAL ENGINEERING AND COMPUTER SCIENCE, 2021; 83 (2)

To simplify the control algorithm, balance the neutral point potential and reduce the switching loss, a novel hybrid DPWM algorithm is proposed with t......

LEARNING LOCAL LINE DESCRIPTORS WITH FCNNS AND TRANSFER LEARNING BY MINIMIZING TRIPLET MARGIN LOSS

期刊: UNIVERSITY POLITEHNICA OF BUCHAREST SCIENTIFIC BULLETIN SERIES C-ELECTRICAL ENGINEERING AND COMPUTER SCIENCE, 2021; 83 (2)

In this paper, it is demonstrated how to learn line feature descriptors for line matching from image data, which is very important for many image proc......

RESEARCH ON PHOTOVOLTAIC SYSTEM'S MAXIMUM POWER POINT TRACKING BASED ON IMPROVED AUTOMATIC BACTERIAL FORAGING METHOD

期刊: UNIVERSITY POLITEHNICA OF BUCHAREST SCIENTIFIC BULLETIN SERIES C-ELECTRICAL ENGINEERING AND COMPUTER SCIENCE, 2021; 83 (3)

Conventional maximum power point tracking algorithms are prone to fall into local optimums when tracking maximum power points. The bacterial foraging ......

RESEARCH ON PHOTOELECTRIC TRACKING CONTROL SYSTEM OF SUBMARINE BASED ON FRACTIONAL ORDER PID DISTURBANCE OBSERVER

期刊: UNIVERSITY POLITEHNICA OF BUCHAREST SCIENTIFIC BULLETIN SERIES C-ELECTRICAL ENGINEERING AND COMPUTER SCIENCE, 2021; 83 (3)

When the submarines moving underwater, the submarine-based photoelectric tracking control systems will be affected by the nonlinear disturbance that m......

RESEARCH ON 5G DIFFERENTIAL PROTECTION CRITERION BASED ON DYNAMIC PATTERN MATCHING ALGORITHM

期刊: UNIVERSITY POLITEHNICA OF BUCHAREST SCIENTIFIC BULLETIN SERIES C-ELECTRICAL ENGINEERING AND COMPUTER SCIENCE, 2021; 83 (3)

The differential protection of distribution network is realized by using 5G communication, which can greatly reduce the installation and maintenance c......

STUDY ON MEASURING DEVICE OF AC AND DC WEAK MAGNETIC FLUX DENSITY

期刊: UNIVERSITY POLITEHNICA OF BUCHAREST SCIENTIFIC BULLETIN SERIES C-ELECTRICAL ENGINEERING AND COMPUTER SCIENCE, 2021; 83 (1)

Weak magnetic field measurement has important application in navigation system, attitude detection, medical equipment and many other industrial fields......

LEARNING SEMANTIC-MATCHING ATTENTION FOR MULTI-TURN SPOKEN LANGUAGE UNDERSTANDING

期刊: UNIVERSITY POLITEHNICA OF BUCHAREST SCIENTIFIC BULLETIN SERIES C-ELECTRICAL ENGINEERING AND COMPUTER SCIENCE, 2021; 83 (1)

Spoken Language Understanding (SLU), one critical component of the task-oriented dialogue system, is responsible for parsing natural-language sentence......

NAMED ENTITY RECOGNITION IN THANGKA FIELD BASED ON BERT-BiLSTM-CRF-a

期刊: UNIVERSITY POLITEHNICA OF BUCHAREST SCIENTIFIC BULLETIN SERIES C-ELECTRICAL ENGINEERING AND COMPUTER SCIENCE, 2021; 83 (1)

Thangka is one of the precious intangible cultural heritages, which is closely related to Tibetan Buddhism. However, Tibetan Buddhism has a complex sy......

FAST IMAGE INPAINTING ALGORITHM BASED ON PRINCIPAL COMPONENT ANALYSIS

期刊: UNIVERSITY POLITEHNICA OF BUCHAREST SCIENTIFIC BULLETIN SERIES C-ELECTRICAL ENGINEERING AND COMPUTER SCIENCE, 2021; 83 (1)

In this paper, an improved fast algorithm based on Principal Component Analysis (PCA) is proposed to reduce the computational complexity and avoid wro......

ACCELERATION METHOD FOR ATTRIBUTE REDUCTION BASED ON THREE-WAY DECISIONS

期刊: UNIVERSITY POLITEHNICA OF BUCHAREST SCIENTIFIC BULLETIN SERIES C-ELECTRICAL ENGINEERING AND COMPUTER SCIENCE, 2021; 83 (1)

Attribution reduction is one of the key topics in the field of rough set theory. There is a redundant calculation in the traditional reduction resulti......

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