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  1. In the field of autonomous mobile robotics, reliable localization is important. However, there are real environments where localization fails. In this paper, we propose a method to estimate localizability base...

    Authors: Maiku Kondo, Masahiko Hoshi, Yoshitaka Hara and Sousuke Nakamura
    Citation: ROBOMECH Journal 2023 10:22
  2. This paper presents a novel mobile robot system that uses a uniaxial wave locomotion mechanism. The proposed mechanism can mechanically produce uniaxial surface waves by a single actuator to rotate a helix com...

    Authors: Kento Yoshida and Kenji Nagaoka
    Citation: ROBOMECH Journal 2023 10:21
  3. The application of neural networks for nonlinear control has been actively studied in the field of aeronautics. Successful techniques have been demonstrated to achieve improved control performance in simulatio...

    Authors: Atsushi Osedo, Daichi Wada and Shinsaku Hisada
    Citation: ROBOMECH Journal 2023 10:20
  4. This paper proposes a method to deform a continuum robot into a complex shape with distributed curvature using a single motor drive. This continuum robot can be deformed to a desired shape by placing tendon gu...

    Authors: Daiki Yoshikawa, Masahiro Shimizu and Takuya Umedachi
    Citation: ROBOMECH Journal 2023 10:18
  5. Robotic teleoperation is highly valued for its ability to remotely execute tasks that demand sophisticated human decision-making or that are intended to be carried out by human operators from a distance. Howev...

    Authors: Yaonan Zhu, Keisuke Fusano, Tadayoshi Aoyama and Yasuhisa Hasegawa
    Citation: ROBOMECH Journal 2023 10:17
  6. Wearable body weight support systems can assist individuals with mobility impairments in performing daily living activities with greater ease and independence. However, existing systems have limitations in ter...

    Authors: Sojiro Sugiura, Jayant Unde, Yaonan Zhu and Yasuhisa Hasegawa
    Citation: ROBOMECH Journal 2023 10:16
  7. The construction industry faces a labor shortage problem, so construction vehicles need to be automated. For automation, a position estimation method is expected that is independent of the work environment and...

    Authors: Masahiro Inagawa, Tomohito Kawabe, Toshinobu Takei and Keiji Nagatani
    Citation: ROBOMECH Journal 2023 10:15
  8. Passive matrix (PM) technologies are widely used in various fields (e.g., manufacturing, human sensing, and robotics) to visualize the tactile pressure distribution. These technologies are powerful addressing ...

    Authors: Hiroumi Kinjo, Hitoshi Tanaka, Yuta Haga, Takaya Tamaru, Junji Kobashi, Kazuhiko Sako, Kazunori Yamaguchi and Shinichiro Oka
    Citation: ROBOMECH Journal 2023 10:14
  9. This paper introduces the development of test methods for capability evaluation of Unmanned Aircraft Systems (UASs) in Global Navigation Satellite System (GNSS)-denied environments. The purpose of this develop...

    Authors: Taichi Yamada, Hiroyuki Abe, Katsuji Ogane and Kuniaki Kawabata
    Citation: ROBOMECH Journal 2023 10:13
  10. Body language is an essential component of communication. The amount of unspoken information it transmits during interpersonal interactions is an invaluable complement to simple speech and makes the process sm...

    Authors: Lena Guinot, Kozo Ando, Shota Takahashi and Hiroyasu Iwata
    Citation: ROBOMECH Journal 2023 10:12
  11. After stroke, hemiplegic individuals have difficulty opening their hands by themselves due to paralysis. A finger extensor facilitation technique was therefore developed to increase the activity of the extenso...

    Authors: Ai Nakamura, Zhou Peichen, Yoshifumi Morita and Hirofumi Tanabe
    Citation: ROBOMECH Journal 2023 10:11
  12. The McKibben pneumatic actuator (MPA) is a soft actuator used for performing various practical functions in robots. Particularly, many dynamic robots have been realized using MPAs. However, there is a trade-of...

    Authors: Taichi Okumura, Daisuke Nakanishi, Keisuke Naniwa, Yasuhiro Sugimoto and Koichi Osuka
    Citation: ROBOMECH Journal 2023 10:10
  13. In recent years, the number of pipes that have exceeded their service life has increased. For this reason, earthworm-type robots equipped with cameras have been developed to perform regularly inspections of se...

    Authors: Shigeki Yumoto, Takumi Kitsukawa, Alessandro Moro, Sarthak Pathak, Taro Nakamura and Kazunori Umeda
    Citation: ROBOMECH Journal 2023 10:9
  14. In this paper, a 3-PRS (prismatic, revolute, and spherical) parallel manipulator for platform stabilization is designed. The main purpose of this device is to stabilize visual equipment, which is placed on top...

    Authors: Tossaporn Udomsap, Sakda Chinchouryrang, Siwat Liampipat and Teeranoot Chanthasopeephan
    Citation: ROBOMECH Journal 2023 10:8
  15. This paper deals with the development of a flatworm-like mesh robot WORMESH-II, which is the second prototype in the WORMESH series inspired from a flattened and soft-bodied flatworm. The pedal locomotion is t...

    Authors: Ganegoda V. C. Rasanga, Kengo Hiraishi, Ryuichi Hodoshima and Shinya Kotosaka
    Citation: ROBOMECH Journal 2023 10:7
  16. Risk assessment is one of the important processes in the social implementation of robots. In risk assessment and safety design of systems with various stakeholders, modeling and visualization of related elemen...

    Authors: Takao Miyoshi, Yoshihiro Nakabo, Hidetoshi Fukui, Makoto Yashiro, Iko Miyazawa, Takeshi Sakamoto, Noriaki Ando, Toru Kuga, Atsushi Kitamura, Kenichi Ohara and Tetsuya Kimura
    Citation: ROBOMECH Journal 2023 10:6
  17. In this study, we describe a measurement system aiming to skill analysis of wall painting work using a roller brush. Our proposed measurement system mainly comprises an RGB-D sensor and a roller brush with sen...

    Authors: Kyosuke Miyairi, Yutaka Takase, Yoshiaki Watanabe, Mikita Miyaguchi and Kimitoshi Yamazaki
    Citation: ROBOMECH Journal 2023 10:5
  18. In order to improve spatial awareness for future investigations of reactor No. 2 at the Fukushima nuclear power plant, it is necessary first to acquire the environment model through reconstruction. To gather i...

    Authors: Zhenyu Wang, Gen Endo, Hideharu Takahashi and Hiroshige Kikura
    Citation: ROBOMECH Journal 2023 10:4
  19. In a musculoskeletal system, the musculoskeletal potential method utilizes the potential property generated by the internal force between muscles; posture control can be achieved by the step input of muscular ...

    Authors: Yoshihiro Kinjo, Yuki Matsutani, Kenji Tahara and Hitoshi Kino
    Citation: ROBOMECH Journal 2023 10:3
  20. This paper reports the development of a lightweight remotely operated vehicle that performs underwater excavation work for archaeological surveys. Discovering underwater artifacts is generally difficult becaus...

    Authors: Shohei Hotta, Yusuke Mitsui, Mizuki Suka, Norimitsu Sakagami and Sadao Kawamura
    Citation: ROBOMECH Journal 2023 10:2
  21. Dexterity training helps improve our motor skills while engaging in precision tasks such as surgery in the medical field and playing musical instruments. In addition, post-stroke recovery also requires extensi...

    Authors: Priyanka Ramasamy, Enrique Calderon-Sastre, Gunarajulu Renganathan, Swagata Das and Yuichi Kurita
    Citation: ROBOMECH Journal 2023 10:1
  22. Hum-noise-based touch sensors (HumTouch) are capable of recognizing human touch on semiconductive materials using the current leaking from the finger to the surface. Thus far, calibration for these hum-noise-b...

    Authors: Tzu-Hsuan Hsia, Shogo Okamoto, Yasuhiro Akiyama and Yoji Yamada
    Citation: ROBOMECH Journal 2022 9:24
  23. In this study, a two-way clutch mechanism using planetary gear meshing was proposed. The proposed mechanism allows low torque loss and high-speed rotation instead of a larger backlash compared to a roller type...

    Authors: Masaki Waragai and Toshio Takayama
    Citation: ROBOMECH Journal 2022 9:21
  24. Car-sharing services have recently attracted considerable attention. We proposed a platooning system to reduce the number of vehicle distributors. The platooning system uses a measurement device embedded with ...

    Authors: Sogo Amagai, Qiwei Ye, Yuji Fukuoka, Shin’ichi Warisawa and Rui Fukui
    Citation: ROBOMECH Journal 2022 9:20
  25. In this study, we propose a method to automate fruit harvesting with a fruit harvesting robot equipped with robotic arms. Given the future growth of the world population, food shortages are expected to acceler...

    Authors: Takeshi Yoshida, Yuki Onishi, Takuya Kawahara and Takanori Fukao
    Citation: ROBOMECH Journal 2022 9:19
  26. Human-like environment recognition by musculoskeletal humanoids is important for task realization in real complex environments and for use as dummies for test subjects. Humans integrate various sensory informa...

    Authors: Yusuke Omura, Kento Kawaharazuka, Yuya Nagamatsu, Yuya Koga, Manabu Nishiura, Yasunori Toshimitsu, Yuki Asano, Kei Okada, Koji Kawasaki and Masayuki Inaba
    Citation: ROBOMECH Journal 2022 9:17
  27. The use of intracytoplasmic sperm injection (ICSI), an assisted reproductive technique (ART), is increasing widely. ICSI is currently performed by specially skilled embryologists. However, with the increasing ...

    Authors: Kenta Yokoe, Tadayoshi Aoyama, Toshiki Fujishiro, Masaru Takeuchi and Yasuhisa Hasegawa
    Citation: ROBOMECH Journal 2022 9:16
  28. In this study, we present a recognition method for a fruit-harvesting robot to automate the harvesting of pears and apples on joint V-shaped trellis. It is necessary to recognize the three-dimensional position...

    Authors: Takeshi Yoshida, Takuya Kawahara and Takanori Fukao
    Citation: ROBOMECH Journal 2022 9:15
  29. Fires in petrochemical complexes are inaccessible because of the intense radiant heat from flames. Therefore, water cannon robots require radiant heat countermeasures to perform firefighting safely. Convention...

    Authors: Jun Fujita, Yoshihiro Tamura, Hisanori Amano, Kazunori Ohno and Satoshi Tadokoro
    Citation: ROBOMECH Journal 2022 9:13
  30. Although robots are increasingly found in a wide range of applications, their use in proximity to humans is still fraught with challenges, primarily due to safety concerns. Roboticists have been seeking to add...

    Authors: Soheil Habibian, Benjamin B. Wheatley, Suehye Bae, Joon Shin and Keith W. Buffinton
    Citation: ROBOMECH Journal 2022 9:12
  31. Artificial multiarticular musculoskeletal systems consisting of serially connected links driven by monoarticular and multiarticular muscles, which are often inspired by vertebrates, enable robots to elicit dyn...

    Authors: Yuta Ishikawa, Hiroyuki Nabae, Gen Endo and Koichi Suzumori
    Citation: ROBOMECH Journal 2022 9:11
  32. The multidisciplinary nature of response robotics has brought about a diversified research community with extended expertise. Motivated by the recent accelerated rate of publications in the field, this paper a...

    Authors: Mehdi Dadvar and Soheil Habibian
    Citation: ROBOMECH Journal 2022 9:9
  33. Continuum robots can enter narrow spaces and are useful for search and rescue missions in disaster sites. The exploration efficiency at disaster sites improves if the robots can simultaneously acquire several ...

    Authors: Yu Yamauchi, Yuichi Ambe, Hikaru Nagano, Masashi Konyo, Yoshiaki Bando, Eisuke Ito, Solvi Arnold, Kimitoshi Yamazaki, Katsutoshi Itoyama, Takayuki Okatani, Hiroshi G. Okuno and Satoshi Tadokoro
    Citation: ROBOMECH Journal 2022 9:8
  34. We propose a novel robotic system that combines both a reliable programming-based approach and a highly generalizable learning-based approach. How to design and implement a series of tasks in an atypical envir...

    Authors: Hiroshi Ito and Satoshi Nakamura
    Citation: ROBOMECH Journal 2022 9:7
  35. A light-driven gel actuator is a potential candidate for a single-cell manipulation tool because it allows cells to be manipulated while ensuring less damage. Moreover, a large number of actuators can be integ...

    Authors: Yuha Koike, Shunnosuke Kodera, Yoshiyuki Yokoyama and Takeshi Hayakawa
    Citation: ROBOMECH Journal 2022 9:5
  36. To prevent accidents in minimally invasive surgeries, force limiters have been developed for forceps grippers. When a force limiter is in use, if the absolute value of its spring constant is reduced, the risk ...

    Authors: Satsuya Noda, Yasunori Tokuoka, Satoru Kuriu and Tadashi Ishida
    Citation: ROBOMECH Journal 2022 9:3
  37. People with disabilities, such as patients with motor paralysis conditions, lack independence and cannot move most parts of their bodies except for their eyes. Supportive robot technology is highly beneficial ...

    Authors: Photchara Ratsamee, Yasushi Mae, Kazuto Kamiyama, Mitsuhiro Horade, Masaru Kojima and Tatsuo Arai
    Citation: ROBOMECH Journal 2021 8:27
  38. In the present study, we propose a variable-sensitivity force sensor using a shape-memory polymer (SMP), the stiffness of which varies according to the temperature. Since the measurement range and sensitivity ...

    Authors: Kazuto Takashima, Jo Kobuchi, Norihiro Kamamichi, Kentaro Takagi and Toshiharu Mukai
    Citation: ROBOMECH Journal 2021 8:24