Dual (grammatical number)
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In robotics and AI, "dual" refers to systems, mechanisms, or mathematical constructs involving two coordinated components working together — most commonly two robotic arms (dual-arm or bimanual systems), but also dual neural networks, dual-blade tools, or paired sensory-actuation structures. Dual-arm robotic systems enable manipulation tasks that a single manipulator cannot perform alone, such as grasping large objects, assembly operations, or human-like dexterous tasks requiring coordinated, asymmetric motion. In control and optimization, dual neural networks solve inverse kinematics and redundancy resolution problems by formulating them as quadratic programming tasks with paired computational structures. In soft robotics, dual-gradient or dual-stiffness material designs enable biomimetic actuation by combining two responsive elements. The concept matters because biological manipulation — the foundation for many robotic applications in manufacturing, healthcare, agriculture, and assistive robotics — is inherently bimanual. Achieving safe, precise coordination between two arms or complementary subsystems dramatically expands a robot's task repertoire and operational flexibility, making dual architectures central to modern humanoid, collaborative, and dexterous robotic design.
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Dual arm manipulation—A survey
Christian Smith, Yiannis Karayiannidis, Lazaros Nalpantidis, Xavi Gratal, Peng Qi, Dimos V. Dimarogonas, Danica Kragić
Citations: 546 • 2012
A taxonomy for multi-agent robotics
Gregory Dudek, Michael Jenkin, Evangelos Milios, D. Wilkes
Citations: 402 • 1996
Safety in human-robot collaborative manufacturing environments: Metrics and control
Andrea Maria Zanchettin, Nicola Maria Ceriani, Paolo Rocco, Hao Ding, Björn Matthias
Citations: 391 • 2015
Neural Control of Bimanual Robots With Guaranteed Global Stability and Motion Precision
Chenguang Yang, Yiming Jiang, Zhijun Li, Wei He, Chun‐Yi Su
Citations: 391 • 2016
Electro-actuated hydrogel walkers with dual responsive legs
Daniel Morales, Étienne Palleau, Michael D. Dickey, Orlin D. Velev
Citations: 362 • 2013
Grasping and Coordinated Manipulation by a Multifingered Robot Hand
Zexiang Li, Shankar Sastry
Citations: 345 • 1989
A multivalued logic approach to integrating planning and control
Alessandro Saffiotti, Kurt Konolige, Enrique H. Ruspini
Citations: 308 • 1995
Design Considerations for Safe Human-robot Collaborative Workplaces
George Michalos, Sotiris Makris, Panagiota Tsarouchi, Toni Guasch, Dimitris Kontovrakis, George Chryssolouris
Citations: 305 • 2015
Object impedance control for cooperative manipulation: theory and experimental results
Stephanie Schneider, Robert H. Cannon
Citations: 275 • 2003
Six-DOF Impedance Control of Dual-Arm Cooperative Manipulators
Fabrizio Caccavale, Pasquale Chiacchio, Alessandro Marino, Luigi Villani
Citations: 274 • 2008
A steady-state throughput analysis of cluster tools: dual-blade versus single-blade robots
S. Venkatesh, Rob Davenport, P. Foxhoven, J. Nulman
Citations: 256 • 1997
Design of human symbiotic robot TWENDY-ONE
Hiroo Iwata, Shigeki Sugano
Citations: 255 • 2009
A dual neural network for redundancy resolution of kinematically redundant manipulators subject to joint limits and joint velocity limits
Yunong Zhang, Jun Wang, Youshen Xia
Citations: 250 • 2003
Hierarchical attentive multiple models for execution and recognition of actions
Yiannis Demiris, Bassam Khadhouri
Citations: 244 • 2006
Dual-gradient enabled ultrafast biomimetic snapping of hydrogel materials
Wenxin Fan, Caiyun Shan, Hongyu Guo, Jianwei Sang, Rui Wang, Ranran Zheng, Kunyan Sui, Zhihong Nie
Citations: 236 • 2019
A dual neural network for kinematic control of redundant robot manipulators
Youshen Xia, Jun Wang
Citations: 218 • 2001
Obstacle Avoidance for Kinematically Redundant Manipulators Using a Dual Neural Network
Yuan‐Ting Zhang, Jun Wang
Citations: 200 • 2004
Bioinspired dual-stiffness origami
Stefano Mintchev, Jun Shintake, Dario Floreano
Citations: 186 • 2018
Three Recurrent Neural Networks and Three Numerical Methods for Solving a Repetitive Motion Planning Scheme of Redundant Robot Manipulators
Zhijun Zhang, Lunan Zheng, Junming Yu, Yuanqing Li, Zhuliang Yu
Citations: 185 • 2017
Feedback Deep Deterministic Policy Gradient With Fuzzy Reward for Robotic Multiple Peg-in-Hole Assembly Tasks
Jing Xu, Zhimin Hou, Wei Wang, Bohao Xu, Kuangen Zhang, Ken Chen
Citations: 179 • 2018