... closely matched the actual shape. Originality/value The adsorbable continuum structure, kinematics model and shape-sensing method discussed in this paper can achieve precise control and improve the structural stiffness of the robot, which can address the contradiction between the high flexibility...

... A closed-loop robot control system for seam-tracking control and force control, running and recording data in real-time operation, was developed. The complete system was experimentally verified. External position measurements were obtained from a laser seam tracker and deviations from the seam were...

.... The shortcomings and technological developments in sensing the input signals to enable the desired motions, actuation, control and training methods are explained for further improvements in exoskeleton research. Design/methodology/approach Search platforms such as Web of Science, IEEE, Scopus and PubMed were...

...Renluan Hou; Jianwei Niu; Yuliang Guo; Tao Ren; Bing Han; Xiaolong Yu; Qun Ma; Jin Wang; Renjie Qi Purpose The purpose of this paper is to enhance control accuracy, energy efficiency and productivity of customized industrial robots by the proposed multi-objective trajectory optimization approach...

...) sensor (Mohammadi and Akbarzadeh, 2017 ; Mariotti et al., 2019) or joint torque sensors for each robot joint, making it sensitive to external forces and capable of Cartesian space movement through admittance control (Ott et al., 2010). However, the sensors can be very expensive...

.... D’Andrea is Founder, CEO and Chairman of the Board at Verity, the world’s leading autonomous indoor drone company, as well as a Professor of Dynamic Systems and Control at the Swiss Federal Institute of Technology (ETH) in Zurich. D’Andrea is also one of the co-founders and advisors of Robo-Global...

...Marcelo Henrique Souza Bomfim; Eduardo José Lima II; Neemias Silva Monteiro; Vinícius Avelino Sena Purpose This paper aims to present a new approach, called hybrid model reference adaptive controller or H-MRAC, for the hybrid controller (proportional-integral-derivative [PID + MRAC...

...Bingjie Xu; Shuai Ji; Chengrui Zhang; Chao Chen; Hepeng Ni; Xiaojian Wu Purpose Trajectory tracking error of robotic manipulator has limited its applications in trajectory tracking control systems. This paper aims to improve the trajectory tracking accuracy of robotic manipulator, so a linear...

...Yang Chen; Fuchun Sun Purpose The authors want to design an adaptive grasping control strategy without setting the expected contact force in advance to maintain grasping stable, so that the proposed control system can deal with unknown object grasping manipulation tasks. Design/methodology...

...Shijie Dai; Shining Li; Wenbin Ji; Zhenlin Sun; Yufeng Zhao Purpose This study aims to realize the constant force grinding of automobile wheel hub. Design/methodology/approach A force control strategy of backstepping + proportion integration differentiation (PID) is proposed. The grinding end...

...Fei Qi; Bai Chen; Shigang She; Shuyuan Gao Purpose This paper aims to present a shape sensing method and feedback control strategy based on fiber Bragg grating (FBG) sensor to improve the control accuracy of the robot and ensure the safety of the cardiac interventional surgery. Design...

... by resorting to a graphical user interface operated via a P300-based brain computer interface. These commands are ultimately converted into joint and Cartesian space tasks for the robotic system that are then handled by the robot motion control algorithm resorting to a set-based task priority inverse kinematic...

..., a kinematic analysis of the PARR is introduced, and the mechanism ensures that the rotation centre of the ankle joint complex (AJC) coincides with robot’s rotation centre. Then, a passive compliance training strategy based on admittance control is described in detail and is implemented on our PARR...

..., as well as to present a new method to control continuum manipulators’ shape. Design/methodology/approach This research explains the hardware design of a hybrid pre-tension mechanism device and proposes a mathematic formulation wire-tension based on robot design. Also, the wire-tension control method...

...J. Guillermo Lopez-Lara; Mauro Eduardo Maya; Alejandro González; Antonio Cardenas; Liliana Felix Purpose The purpose of this paper is to present a new vision-based control method, which enables delta-type parallel robots to track and manipulate objects moving in arbitrary trajectories...

...Saroj Kumar; Dayal R. Parhi; Manoj Kumar Muni; Krishna Kant Pandey Purpose This paper aims to incorporate a hybridized advanced sine-cosine algorithm (ASCA) and advanced ant colony optimization (AACO) technique for optimal path search with control over multiple mobile robots in static and dynamic...

...Hongli Cao; Ye He; Xiaoan Chen; Xue Zhao Purpose The purpose of this paper is to take transient contact force response, overshoots and steady-state force tracking error problems into account to form an excellent force controller. Design/methodology/approach The basic impedance function...

... be contacted at: joannepransky@gmail.com 06 11 2019 11 11 2019 11 11 2019 © Emerald Publishing Limited 2019 Emerald Publishing Limited Licensed re-use rights only Control Robotics Navigation Path planning Robot design Autonomous robots Figure 1 Dr James...

...Megha G. Krishnan; Abhilash T. Vijayan; Ashok Sankar Purpose This paper aims to improve the performance of a two-camera robotic feedback system designed for automatic pick and place application by modifying its velocity profile during switching of control. Design/methodology/approach...

...Hongtai Cheng; Hongfei Jiang Purpose Delta robot is a parallel robot specifically designed for high-speed pick and place tasks. However, sometimes they are asked to perform additional assembling and squeezing actions, which is beyond the capability of position-controlled Delta robots. Force...