Smart-Materials-Based Actuators—a Special Issue in Honor of Prof. Dr. Jaehwan Kim

A special issue of Actuators (ISSN 2076-0825). This special issue belongs to the section "Actuator Materials".

Deadline for manuscript submissions: closed (15 October 2023) | Viewed by 3513

Special Issue Editors


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Guest Editor
Human Enhancement & Assistive Technology Research Section, Electronics and Telecommunications Research Institute (ETRI), 218 Gajeong-ro, Yuseong-gu, Daejeon 34129, Republic of Korea
Interests: electroactive polymers; active nanocomposite; stretchable electronics; biocompatible polymers; wearable electronic systems; haptic interfaces; soft robotics; smart optics
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Guest Editor
Aerospace Engineering Department, University of Michigan, Ann Arbor, MI, USA
Interests: functional nanocomposites; nanocellulose; aramid nanofiber; electroactive materials; nanocarbon; microfabrication; high-strength nanocomposites; energy harvester; sensor and actuators; optical applications
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Actuators is currently inviting the submission of high-quality articles for a Special Issue in honor of Professor Jaewhan Kim, one of the pioneers of cellulose-based piezoelectric and multifunctional actuators. Dr. Kim is the director of the Creative Research Center for Nanocellulose Future Composites (CRC for NCFC) sponsored by the National Research Foundation of Korea (NRF), which was continued from the former Creative Research Center for Electro Active Paper (EAPap) Actuator. He received his PhD in Engineering Science and Mechanics from The Pennsylvania State University in 1995. Since then, he has worked at the Department of Mechanical Engineering at Inha University, Korea, where he now serves as an Inha Fellow Professor.

He has contributed significantly to the smart materials and devices fields, including renewable smart materials, electroactive polymers, power harvesting, soft actuators, biosensors, flexible electronics, nanocellulose multifunctional composites, smart optics, space materials, and smart food packaging. He first discovered cellulose as a smart material that can be used for sensors, actuators, and electronic materials. His scientific career (Scopus) has so far resulted in 340 published papers, an H-index of 56, and more than 12,000 citations. Moreover, he has authored more than 360 international conference papers and more than 40 patents, transferring some of which to companies for promoting industrial development. He continues to supervise many students and researchers and devotes his time to academia as a fellow of The Korean Academy of Science and Technology, the National Academy of Engineering of Korea, and the Institute of Physics.

In honor of Professor Jaehwan Kim’s outstanding scientific contributions, we invite the submission of novel contributions and comprehensive reviews on a particular topic in the fields of stimuli-responsive polymers, functional nanocomposites, smart-material-based actuators, and their promising applications for artificial muscle, soft robotics, energy-harvesting devices and smart optics, etc. We look forward to working with you on this commemorative Special Issue.

Dr. Sungryul Yun
Dr. Hyun Chan Kim
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Actuators is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • smart materials
  • stimuli-responsive polymers
  • functional nanocomposites
  • actuators
  • modeling
  • control
  • soft robotics

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Published Papers (1 paper)

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Research

24 pages, 6141 KiB  
Article
Optimal Design and Control Performance Evaluation of a Magnetorheological Fluid Brake Featuring a T-Shape Grooved Disc
by Pacifique Turabimana and Jung Woo Sohn
Actuators 2023, 12(8), 315; https://doi.org/10.3390/act12080315 - 5 Aug 2023
Cited by 2 | Viewed by 2705
Abstract
Magnetorheological fluid brakes are a promising technology for developing high-performance drive-by-wire braking systems due to their controllability and adaptability. This research aims to design an optimal magnetorheological fluid brake for motorcycles and their performance. The proposed model utilizes mathematical modeling and finite element [...] Read more.
Magnetorheological fluid brakes are a promising technology for developing high-performance drive-by-wire braking systems due to their controllability and adaptability. This research aims to design an optimal magnetorheological fluid brake for motorcycles and their performance. The proposed model utilizes mathematical modeling and finite element analysis using commercial software. Furthermore, the optimization of this MR brake is determined through multi-objective optimization with a genetic algorithm that maximizes braking torque while simultaneously minimizing weight and the cruising temperature. The novelty lies in the geometric shape of the disc, bobbin, and MR fluid channels, which results in a light MR brake weighing 6.1 kg, an operating temperature of 89.5 °C, and a power consumption of 51 W with an output braking torque of 303.9 Nm. Additionally, the control performance is evaluated using an extended Kalman filter controller. This controller effectively regulates braking torque, speed, and slip rate of both the rear and front wheels based on road characteristics and motorcycle dynamics. This study’s findings show that the front wheel necessitates higher braking torque compared to the rear wheel. Moreover, the slip rate is higher on the rear wheel than on the front wheel, but the front wheel stops earlier than the rear wheel. Full article
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