Compound locomotion control system combining crawling and walking for multi-crawler multi-arm robot to adapt unstructured and unknown terrain

Kui Chen, Mitsuhiro Kamezaki, Takahiro Katano, Taisei Kaneko, Kohga Azuma, Tatsuzo Ishida, Masatoshi Seki, Ken Ichiryu, Shigeki Sugano

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

How to improve task performance and how to control a robot in extreme environments when just a few sensors can be used to obtain environmental information are two of the problems for disaster response robots (DRRs). Compared with conventional DRRs, multi-arm multi-flipper crawler type robot (MAMFR) have high mobility and task-execution capabilities. Because, crawler robots and quadruped robots have complementary advantages in locomotion, therefore we have the vision to combine both of these advantages in MAMFR. Usually, MAMFR (like four-arm four-flipper robot OCTOPUS) was designed for working in extreme environments such as that with heavy smoke and fog. Therefore it is a quite necessary requirement that DRR should have the ability to work in the situation even if vision and laser sensors are not available. To maximize terrains adaption ability, self-balancing capability, and obstacle getting over capability in unstructured disaster site, as well as reduce the difficulty of robot control, we proposed a semi-autonomous control system to realize this compound locomotion method for MAMFRs. In this control strategy, robot can explore the terrain and obtain basic information about the surrounding by its structure and internal sensors, such as encoder and inertial measurement unit. Except that control system also can recognize the relative positional relationship between robot and surrounding environment through its arms and crawlers state when robot moving. Because the control rules is simple but effective, and each part can adjust its own state automatically according to robot state and explored terrain, MRMFRs have better terrain adaptability and stability. Experimental results with a virtual reality simulator indicated that the designed control system significantly improved stability and mobility of robot in tasks, it also indicated that robot can adapt complex terrain when controlled by designed control system.

Original languageEnglish
Article number2
JournalROBOMECH Journal
Volume5
Issue number1
DOIs
Publication statusPublished - 2018 Dec 1

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robot arms
Multi-robot
walking
locomotion
Locomotion
robots
Robot
Control System
Robots
Control systems
Unknown
disasters
Disaster
Disasters
Sensor
Extremes
sensors
Sensors
robot control
Robot Control

Keywords

  • Disaster response robot
  • Locomotion
  • Multi-arm multi-crawler
  • Self-adapt
  • Semi-autonomous

ASJC Scopus subject areas

  • Artificial Intelligence
  • Mechanical Engineering
  • Control and Optimization
  • Modelling and Simulation
  • Instrumentation

Cite this

Compound locomotion control system combining crawling and walking for multi-crawler multi-arm robot to adapt unstructured and unknown terrain. / Chen, Kui; Kamezaki, Mitsuhiro; Katano, Takahiro; Kaneko, Taisei; Azuma, Kohga; Ishida, Tatsuzo; Seki, Masatoshi; Ichiryu, Ken; Sugano, Shigeki.

In: ROBOMECH Journal, Vol. 5, No. 1, 2, 01.12.2018.

Research output: Contribution to journalArticle

Chen, Kui ; Kamezaki, Mitsuhiro ; Katano, Takahiro ; Kaneko, Taisei ; Azuma, Kohga ; Ishida, Tatsuzo ; Seki, Masatoshi ; Ichiryu, Ken ; Sugano, Shigeki. / Compound locomotion control system combining crawling and walking for multi-crawler multi-arm robot to adapt unstructured and unknown terrain. In: ROBOMECH Journal. 2018 ; Vol. 5, No. 1.
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