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Robotics, Volume 12, Issue 4

August 2023 - 29 articles

Cover Story: This paper considers the problem of making a safe compliant contact between a human and an assistive robot during Physical Human–Robot Interaction (PHRI). Specifically, we propose a hybrid force/velocity/attitude control for a PHRI system based on measurements from a wrist-mounted six-axis force/torque sensor. While automatically aligning the end-effector surface with the unknown environmental (human) surface, a desired force is applied in the normal direction while following desired velocity commands in the tangential directions. A Lyapunov-based stability analysis is provided to prove the convergence/passivity of the interaction to ensure performance and safety. Experimental results, using a kinematically redundant robotic manipulator, verify the performance and robustness of the proposed controller in the presence of dynamic uncertainties. View this paper
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Articles (29)

  • Article
  • Open Access
3,085 Views
18 Pages

19 August 2023

We present a novel framework, multi-view unified reinforcement learning for robotic manipulation (MURM), which efficiently utilizes multiple camera views to train a goal-conditioned policy for a robot to perform complex tasks. The MURM framework cons...

  • Article
  • Open Access
9 Citations
3,273 Views
15 Pages

Online Motion Planning for Safe Human–Robot Cooperation Using B-Splines and Hidden Markov Models

  • Giovanni Braglia,
  • Matteo Tagliavini,
  • Fabio Pini and
  • Luigi Biagiotti

18 August 2023

When humans and robots work together, ensuring safe cooperation must be a priority. This research aims to develop a novel real-time planning algorithm that can handle unpredictable human movements by both slowing down task execution and modifying the...

  • Review
  • Open Access
31 Citations
12,382 Views
28 Pages

Tethered Unmanned Aerial Vehicles—A Systematic Review

  • Miguel Nakajima Marques,
  • Sandro Augusto Magalhães,
  • Filipe Neves Dos Santos and
  • Hélio Sousa Mendonça

14 August 2023

In recent years, there has been a remarkable surge in the development and research of tethered aerial systems, thus reflecting a growing interest in their diverse applications. Long-term missions involving aerial vehicles present significant challeng...

  • Article
  • Open Access
3 Citations
3,483 Views
26 Pages

14 August 2023

In this paper, the problem of making a safe compliant contact between a human and an assistive robot is considered. Users with disabilities have a need to utilize their assistive robots for physical human–robot interaction (PHRI) during certain...

  • Article
  • Open Access
8 Citations
4,052 Views
25 Pages

11 August 2023

With the improvement of autonomous robot navigation technologies, mobile robots can now be deployed in uncertain, real-world environments. An aspect of autonomous robot navigation in such scenarios is the capability to navigate to a real-time determi...

  • Article
  • Open Access
4 Citations
4,129 Views
18 Pages

SceneGATE: Scene-Graph Based Co-Attention Networks for Text Visual Question Answering

  • Feiqi Cao,
  • Siwen Luo,
  • Felipe Nunez,
  • Zean Wen,
  • Josiah Poon and
  • Soyeon Caren Han

7 August 2023

Visual Question Answering (VQA) models fail catastrophically on questions related to the reading of text-carrying images. However, TextVQA aims to answer questions by understanding the scene texts in an image–question context, such as the brand...

  • Article
  • Open Access
2 Citations
3,074 Views
22 Pages

4 August 2023

For visually impaired people, orientation and mobility are challenging and require a great deal of concentration. Especially unfamiliar routes are difficult to follow. This paper presents a navigation algorithm based on a geographic information syste...

  • Article
  • Open Access
2 Citations
2,523 Views
18 Pages

A Hybrid Motion Planning Algorithm for Multi-Mobile Robot Formation Planning

  • Haojie Chen,
  • Zifan Wang,
  • Xiaoxu Liu,
  • Wenke Ma,
  • Qiang Wang,
  • Wenjun Zhang and
  • Tan Zhang

4 August 2023

This paper addresses the problem of relative position-based formation planning for a leader–follower multi-robot setup, where the robots adjust the formation parameters, such as size and three-dimensional orientation, to avoid collisions and pr...

  • Review
  • Open Access
11 Citations
7,953 Views
20 Pages

1 August 2023

Three decades ago, telepresence was presented as an idea in the context of remote work and manipulation. Since then, it has evolved into a field combining different technologies and allowing users to have more or less realistic perceptions of immersi...

  • Article
  • Open Access
20 Citations
7,806 Views
25 Pages

Beyond the Metal Flesh: Understanding the Intersection between Bio- and AI Ethics for Robotics in Healthcare

  • Auxane Boch,
  • Seamus Ryan,
  • Alexander Kriebitz,
  • Lameck Mbangula Amugongo and
  • Christoph Lütge

1 August 2023

As we look towards the future of healthcare, integrating Care Robots (CRs) into health systems is a practical approach to address challenges such as an ageing population and caregiver shortages. However, ethical discussions about the impact of CRs on...

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Robotics - ISSN 2218-6581