Creation of One Excavator as an Obstacle in C-Space for Collision Avoidance during Remote Control of the Two Excavators Using Pose Sensorsopen access
- Authors
- Sun, Dongik; Hwang, Seunghoon; Kim, Byeol; Ahn, Yonghan; Lee, Joosung; Han, Jea kweon
- Issue Date
- Apr-2020
- Publisher
- Multidisciplinary Digital Publishing Institute (MDPI)
- Keywords
- kinematics-based; pose sensors; wireless communication devices; obstacle generation; only multiple excavators; collision free; during driving and manipulation
- Citation
- Remote Sensing, v.12, no.7, pp.1 - 28
- Indexed
- SCIE
SCOPUS
- Journal Title
- Remote Sensing
- Volume
- 12
- Number
- 7
- Start Page
- 1
- End Page
- 28
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/170443
- DOI
- 10.3390/rs12071122
- ISSN
- 2072-4292
- Abstract
- Many solutions about the teleoperation of unmanned robotic excavators have been studied continuously. However, if excavators that are remotely controlled were employed, the probability of an accident would be higher. For this reason, there have been many ways proposed to attempt to reduce accidents in these dangerous situations. In this paper, a novel methodology will be introduced with a focus on the multiple excavators themselves. The proposed method details how one excavator can be generated or expressed as an obstacle in the Configuration-Space (C-space) with respect to another excavator's side for collision avoidance each other. This method is based on kinematics information which is measurable and given. Therefore, this method can be used or applied independently by using widely used pose sensors and wireless communication devices. The phase of mathematical derivation about obstacle sets is described in detail. The results are shown in accompanying figures and tables for demonstrating that the proposed method detected the proximity and found the collision-free zone accurately. The proposed system can be powerful when applied to a teleoperation system, where it would be particularly useful and helpful to the operator.
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