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Jian S Dai

15 accepted papers

2025

Single Pump-Valve Pneumatic Actuation With Continuous Flow Rate Control for Soft Robots

RA-L 2025

Pneumatic actuated soft robots attract increasing interest of the researchers due to the availability and simplicity in actuation. The soft robots driven by soft pneumatic actuators (SPAs) of various active volumes demand pneumatic systems with various range of flow rate. However, the usually bulky

Cited by 4SourceScholar
2025

Stability-Guaranteed Control via Divergent-Component-of-Motion Feedback for Force-Based Balancing in Articulated-Soft Floating-Base Robots

RA-L 2025

This paper aims at unifying simplified models of balancing – based on linear, centre-of-mass (CoM) expressions – and articulated-soft floating-base (ASFB) robot dynamics models, for control design. Two distinct controller variations are introduced: the first operates by mapping gross applied force r

Cited by 0SourceScholar
2025

Stretchable and High-Precision Optical Tactile Sensor for Trajectory Tracking of Parallel Mechanisms

IROS 2025

Stretchable sensors indicate promising prospects for soft robotics, medical devices, and human-machine interactions due to the high compliance of soft materials. Discrete sensing strategies, including sensor arrays and distributed sensors, are broadly involved in tactile sensors across versatile app

Cited by 0SourceScholar
2024

A Novel Quasi-Passive Non-Anthropomorphic Lower Limb Exoskeleton for Load-Bearing

RA-L 2024

Load-bearing walking is an important requirement for defense and military, logistics and transportation. In this letter, a novel quasi-passive non-anthropomorphic lower limb exoskeleton is proposed to augment human load-bearing capacities. The exoskeleton employs a rigid leg rod that transmits loads

Cited by 3SourceScholar
2024

Foam-Embedded Soft Robotic Joint With Inverse Kinematic Modeling by Iterative Self-Improving Learning

RA-L 2024

Soft robotic arms have gained significant attention owing to their flexibility and adaptability. Nonetheless, the instability due to their high-elasticity structure further leads to the difficulty of precise kinematic modeling and control. This letter introduces a novel solution employing foam-embed

Cited by 5SourceScholar
2024

High-Performance Hydraulic Soft Robotic Control Using Continuous Flow Regulation and Partial Feedback

RA-L 2024

Hydraulic-driven soft robots have received much less attention than their pneumatic counterparts. However, the incompressibility of liquid could bring a series of desirable attributes to soft robotic control, despite the apparent disadvantage of weight addition and compliance compromise resulting fr

Cited by 7SourceScholar
2024

Learning Based Exteroception of Soft Underwater Manipulator With Soft Actuator Network

RA-L 2024

Interactions with environmental objects can induce substantial alterations in both exteroceptive and proprioceptive signals. However, the deployment of exteroceptive sensors within underwater soft manipulators encounters numerous challenges and constraints, thereby imposing limitations on their perc

Cited by 0SourceScholar
2024

Machine-Learning-Assisted Soft Fiber Optic Glove System for Sign Language Recognition

RA-L 2024

Sign language recognition devices are effective approaches to breaking the communication barrier between signers and non-signers and exploring human-machine interactions. Wearable gloves have been developed for gesture recognition and virtual reality applications by employing flexible sensors for mo

Cited by 15SourceScholar
2024

Multi-Bifurcation and Environmental Adaptability of a Novel Line-Symmetric Double-Centered Metamorphic Mechanism

RA-L 2024

To improve the environmental adaptability of the mechanism, this letter proposes a metamorphic mechanism configuration synthesis method based on environmental constraint characteristics. In particular, a novel 6R line-symmetric double-centered metamorphic mechanism is synthesized and the multi-bifur

Cited by 3SourceScholar
2024

Soft Robotic Proprioception Enhancement via 3D-Printed Differential Optical Waveguide Design

RA-L 2024

Soft robots undergo complex deformations during actuation and interaction due to the flexibility and compliance of their soft materials. This characteristic presents challenges in proprioception, particularly in characterizing their spatial deformations. Soft optical waveguide sensors have emerged a

Cited by 7SourceScholar
2022

Power-Shaping Model-Based Control With Feedback Deactivation for Flexible-Joint Robot Interaction

RA-L 2022

This letter presents a novel control methodology that is based on an amalgamation of model-based, power-shaping control (PSC), and feedback deactivation. It has been hypothesised that proportional position control of flexible-joint robots can impinge on their interactional performance, since positio

Cited by 14SourceScholar
2021

Screw theory-based stiffness analysis for a fluidic-driven soft robotic manipulator

ICRA 2021poster

Soft robotic manipulators have been created and investigated for a number of applications due to their advantages over rigid robots. In minimally invasive surgery, for instance, soft robots have successfully demonstrated a number of benefits due to the compliant and flexible nature of the material t…

Cited by 13SourceScholar
2020

A Model-Free Solution for Stable Balancing and Locomotion of Floating-base Legged Systems

IROS 2020poster

This paper presents novel control techniques for passivation and stabilisation of floating-base systems with contacts, whose dynamical models comprise both joint-space, and Cartesian floating-base coordinates. The aforementioned results are achieved using both minimally model-based, and completely m…

Cited by 8SourceScholar
2020

Analytical Expressions of Serial Manipulator Jacobians and their High-Order Derivatives based on Lie Theory

ICRA 2020poster

Serial manipulator kinematics provide a mapping between joint variables in joint-space coordinates, and end-effector configurations in task-space Cartesian coordinates. Velocity mappings are represented via the manipulator Jacobian produced by direct differentiation of the forward kinematics. Acquis…

Cited by 17SourceScholar
2018

Towards a Modular Suturing Catheter for Minimally Invasive Vascular Surgery

ICRA 2018poster

Endovascular aneurysm repair (EVAR) is a minimally invasive approach for abdominal aortic aneurysm (AAA) treatment. Compared to open surgery, the benefits of EVAR include faster recovery and shorter time in hospital as well as no general anesthesia (in most cases). Though EVAR has become a preferred…

Cited by 5SourceScholar