Shigeru Okuma

1.7k total citations
194 papers, 1.4k citations indexed

About

Shigeru Okuma is a scholar working on Electrical and Electronic Engineering, Control and Systems Engineering and Mechanical Engineering. According to data from OpenAlex, Shigeru Okuma has authored 194 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 98 papers in Electrical and Electronic Engineering, 92 papers in Control and Systems Engineering and 35 papers in Mechanical Engineering. Recurrent topics in Shigeru Okuma's work include Sensorless Control of Electric Motors (55 papers), Electric Motor Design and Analysis (54 papers) and Multilevel Inverters and Converters (34 papers). Shigeru Okuma is often cited by papers focused on Sensorless Control of Electric Motors (55 papers), Electric Motor Design and Analysis (54 papers) and Multilevel Inverters and Converters (34 papers). Shigeru Okuma collaborates with scholars based in Japan, United States and Thailand. Shigeru Okuma's co-authors include Shinji Doki, Kazuhiro Hane, Minoru Sasaki, Mutuwo Tomita, Zhiqian Chen, Tatsuya Suzuki, Takeshi Furuhashi, Somboon Sangwongwanich, Muneaki Ishida and Akio Ishiguro and has published in prestigious journals such as Journal of Applied Physics, Review of Scientific Instruments and Sensors and Actuators A Physical.

In The Last Decade

Shigeru Okuma

178 papers receiving 1.3k citations

Peers

Shigeru Okuma

EEE

CSE

AMPO

Thomas Nussbaumer Switzerland

Hui Tang China

Jianwen Wu China

Kaiming Yang China

Chih‐Yung Chang Taiwan

S. Tsuji Japan

Nan‐Chyuan Tsai Taiwan

Hwee Choo Liaw Australia

Tae Young Lee South Korea

Thomas Nussbaumer Switzerland

Shigeru Okuma

826 ×1.0

EEE

864 ×1.7

CSE

222 ×0.9

AMPO

86 ×0.5

530 ×4.1

Citations per year, relative to Shigeru Okuma Shigeru Okuma (= 1×) peers Thomas Nussbaumer

Countries citing papers authored by Shigeru Okuma

Since Specialization

Citations

This map shows the geographic impact of Shigeru Okuma's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Shigeru Okuma with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Shigeru Okuma more than expected).

Fields of papers citing papers by Shigeru Okuma

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Shigeru Okuma. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Shigeru Okuma. The network helps show where Shigeru Okuma may publish in the future.

Co-authorship network of co-authors of Shigeru Okuma

This figure shows the co-authorship network connecting the top 25 collaborators of Shigeru Okuma. A scholar is included among the top collaborators of Shigeru Okuma based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Shigeru Okuma. Shigeru Okuma is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Doki, Shinji, et al.. (2012). An Adjusted Current Control System for Signal-injection-based Position Sensorless Control and Parameter Identification. IEEJ Transactions on Industry Applications. 132(3). 418–425. 2 indexed citations

Doki, Shinji, et al.. (2011). A Method for Mathematical Modeling Spatial Harmonics in a SynRM for Sensorless Control. IEEJ Transactions on Industry Applications. 131(2). 171–179. 5 indexed citations

Doki, Shinji, et al.. (2011). Extended EMF Observer for Sensorless Control over a Wide Range of Speeds. IEEJ Transactions on Industry Applications. 131(2). 208–218. 8 indexed citations

Doki, Shinji, et al.. (2008). Novel Voltage Limiter for Fast Torque Response of IPMSM in Voltage Saturation Region. IEEJ Transactions on Industry Applications. 128(12). 1346–1356. 19 indexed citations

Okuma, Shigeru, et al.. (2006). Improvements of Power Factor and Torque of a Synchronous Reluctance Motor with a Slit Rotor. IEEJ Transactions on Industry Applications. 126(2). 116–123. 11 indexed citations

Tomita, Mutuwo, et al.. (2005). Sensorless Control of Synchronous Reluctance Motors based on an Extended Electromotive Force Model and Inductance Measurement in the Model. IEEJ Transactions on Industry Applications. 125(1). 16–25. 28 indexed citations

Hasegawa, Masaru, et al.. (1999). Realization of Robust Vector Control System using Flux Observer and its Performance Evaluation. IEEJ Transactions on Industry Applications. 119(7). 932–941. 5 indexed citations

Tomita, Mutuwo, et al.. (1998). Novel Sensorless Starting and Low Speed Drive of Cylindrical Brushless DC Motor Using Eddy Current with Un-known Load. IEEJ Transactions on Industry Applications. 118(4). 450–459. 6 indexed citations

Tomita, Mutuwo, et al.. (1997). Sensorless Rotor-Position Estimation at Standstill of Cylindrical Brushless DC Motors Using Opened Phase Voltage Change Caused by Eddy Currents. IEEJ Transactions on Industry Applications. 117(10). 1205–1211. 7 indexed citations

10.

Okuma, Shigeru, et al.. (1997). Torque Ripple Reduction of Reluctance Motor with Slit Rotor. IEEJ Transactions on Industry Applications. 117(8). 1008–1014. 17 indexed citations

11.

Yubai, Kazuhiro, et al.. (1997). Realization of precise force control using both 2-DOF control and learning. IEEJ Transactions on Industry Applications. 117(9). 1099–1105. 3 indexed citations

12.

Okuma, Shigeru, et al.. (1996). Analytical study of flux and experiments of a flux-barrier type reluctance motor with a slit rotor.. IEEJ Transactions on Industry Applications. 116(6). 694–701. 8 indexed citations

13.

Tomita, Mutuwo, Shinji Doki, & Shigeru Okuma. (1995). A Position-and-Velocity Sensorless Control for Brushless DC Motors With an Adaptive Sliding Observer.. IEEJ Transactions on Industry Applications. 115(6). 765–774. 4 indexed citations

14.

Suzuki, Tatsuya, et al.. (1995). Positioning Control of Direct Drive Robot with Two-Degree-of-Freedom Compensator.. IEEJ Transactions on Industry Applications. 115(4). 444–451. 5 indexed citations

15.

Doki, Shinji, et al.. (1994). The Slip Frequency Type Vector Control Equivalent to The Flux Feedback Type Vector Control using the Flux Observer.. IEEJ Transactions on Industry Applications. 114(3). 315–324. 5 indexed citations

16.

Senjyu, Tomonobu, Katsumi Uezato, & Shigeru Okuma. (1994). Maximum Power Point Tracking Control of Photovoltaic Array Using Fuzzy Control.. IEEJ Transactions on Industry Applications. 114(9). 843–848. 9 indexed citations

17.

Doki, Shinji, Somboon Sangwongwanich, & Shigeru Okuma. (1994). Experimental Study of Field-Oriented Vector Control System using Flux Observer Based on Robust Design Method.. IEEJ Transactions on Industry Applications. 114(3). 282–288. 4 indexed citations

18.

Matsumoto, Kazunori, Tatsuya Suzuki, Somboon Sangwongwanich, & Shigeru Okuma. (1993). Internal Structure of Two-Degree-of-Freedom Controller and a Design Method for Free Parameter of Compensator. IEEJ Transactions on Industry Applications. 113(6). 768–777. 13 indexed citations

19.

Furuhashi, Takeshi, et al.. (1991). A Digital Current Controller for a PWM Inverter using a Neural Network.. IEEJ Transactions on Industry Applications. 111(6). 433–440. 1 indexed citations

20.

Ishiguro, Akio, et al.. (1989). Generation method of switching patterns of PWM-controlled cycloconverters.. IEEJ Transactions on Industry Applications. 109(2). 82–89. 3 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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