Friction Reducer with a Multi-Layer Ball Array Structure

Gi-Ppeum Kim, Hee-Chan Shin, Jae-Bok Song

This research focuses on reducers, vital components in service robots, with a special emphasis on friction reducers designed for use in environments where inter...

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DOI: https://doi.org/10.7746/jkros.2024.19.3.229

Development of Collaborative Dual Manipulator System for Packaging Industrial Coils

Haeseong Lee, Yonghee Lee, Jaeheung Park

This paper introduces a dual manipulator system designed to automate the packaging process of industrial coils, which exhibit higher variability than other stru...

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DOI: https://doi.org/10.7746/jkros.2024.19.3.236

The Design and Evaluation of The Stem-cutting Device of Harvesting Gripper Using Twisted String Actuation System

Seong-Mo Choi, Dongwoo Lee, Myun Joong Hwang

This paper presents a novel stem-cutting device using a twisted string actuation system combined with the cinch bag-typed gripper proposed in previous research....

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DOI: https://doi.org/10.7746/jkros.2024.19.3.244

Adaptive sEMG Pattern Recognition Algorithm using Principal Component Analysis

Sejin Kim, Wan Kyun Chung

Pattern recognition for surface electromyogram (sEMG) suffers from its nonstationary and stochastic property. Although it can be relieved by acquiring new train...

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DOI: https://doi.org/10.7746/jkros.2024.19.3.254

Transformer based Collision Detection Approach by Torque Estimation using Joint Information

Jiwon Park, Daegyu Lim, Sumin Park, Hyeonjun Park

With the rising interaction between robots and humans, detecting collisions has become increasingly vital for ensuring safety. In this paper, we propose a novel...

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DOI: https://doi.org/10.7746/jkros.2024.19.3.266

Pneumatic Grasp-and-Suction Soft Gripper with Variable Stroke

Jun-Hyuck Ryoo, Sung-Jae Park, Hyo-Jong Jeon, Jae-Bok Song

With the recent emergence of collaborative robots, demand for grippers to be used in service sites is increasing. Soft grippers have advantages in terms of comp...

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DOI: https://doi.org/10.7746/jkros.2024.19.3.274

Puzzle Heuristics: Efficient Lifelong Multi-Agent Pathfinding Algorithm for Large-scale Challenging Environments

Wonjong Lee, Joonyeol Sim, Changjoo Nam

This paper describes the solution method of Team AIRLAB used to participate in the League of Robot Runners Competition which tackles the problem of Lifelong Mul...

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DOI: https://doi.org/10.7746/jkros.2024.19.3.281

Design of an Autonomous Firefighting Robot System for Early Fire Suppression

Hyo Min Kim, Jeong Yong Kim, Seong Jun Mun, A-hyeon Lee, Chang Su Lee

The initial suppression of fires is critical to protecting human and material resources. In response to this, fire prevention and suppression systems using arti...

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DOI: https://doi.org/10.7746/jkros.2024.19.3.287

Utilizing AI Foundation Models for Language-Driven Zero-Shot Object Navigation Tasks

Jeong-Hyun Choi, Ho-Jun Baek, Chan-Sol Park, Incheol Kim

In this paper, we propose an agent model for Language-Driven Zero-Shot Object Navigation (L-ZSON) tasks, which takes in a freeform language description of an un...

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DOI: https://doi.org/10.7746/jkros.2024.19.3.293

Development of Automated Driving System of Manual Driving based Cleaning Robot

Jaewan Koo, Kyon-Mo Yang, Jeonghoon Kwak, Kap-Ho Seo

Large-scale three-wheeled cleaning robots are utilized to clean large spaces such as warehouses and manufacturing plants where significant floor contamination o...

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DOI: https://doi.org/10.7746/jkros.2024.19.3.311