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Integrating multiple sensing capabilities into a single multimodal sensor greatly enhances its applications for in-situ sensing and structural health monitoring. However, the fabrication of multimodal sensors is complicated and limited by…

Applied Physics · Physics 2024-03-05 Md. Omarsany Bappy , Qiang Jiang , Stephanie Atampugre , Yanliang Zhang

Wearable robotic hand rehabilitation devices can allow greater freedom and flexibility than their workstation-like counterparts. However, the field is generally lacking effective methods by which the user can operate the device: such…

Robotics · Computer Science 2019-01-14 Sangwoo Park , Cassie Meeker , Lynne M. Weber , Lauri Bishop , Joel Stein , Matei Ciocarlie

This study aims to enhance the accuracy of a six-axis force/torque sensor compared to existing approaches that utilize Multi-Layer Perceptron (MLP) and the Least Square Method. The sensor used in this study is based on a photo-coupler and…

Signal Processing · Electrical Eng. & Systems 2025-02-26 Hyun-Bin Kim , Seokju Lee , Byeong-Il Ham , Kyung-Soo Kim

Proprioceptive sensors on planetary rovers serve for state estimation and for understanding terrain and locomotion performance. While inertial measurement units (IMUs) are widely used to this effect, force-torque sensors are less explored…

Robotics · Computer Science 2025-10-31 Levin Gerdes , Carlos Pérez del Pulgar , Raúl Castilla Arquillo , Martin Azkarate

Force perception on medical instruments is critical for understanding the mechanism between surgical tools and tissues for feeding back quantized force information, which is essential for guidance and supervision in robotic autonomous…

Robotics · Computer Science 2023-11-15 Heng Zhang

In this paper, we propose the "Kinetics Observer", a novel estimator addressing the challenge of state estimation for legged robots using proprioceptive sensors (encoders, IMU and force/torque sensors). Based on a Multiplicative Extended…

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,…

Robotics · Computer Science 2025-12-25 Yiding Nie , Dongliang Fan , Jiatai Huang , Chunyu Liu , Jian S. Dai

This study proposes a non-contact photo-reflector-based joint torque sensor for precise joint-level torque control and safe physical interaction. Current-sensor-based torque estimation in many collaborative robots suffers from poor…

Robotics · Computer Science 2026-03-18 Hyun-Bin Kim , Byeong-Il Ham , Kyung-Soo Kim

Soft pneumatic robot manipulators are popular in industrial and human-interactive applications due to their compliance and flexibility. However, deploying them in real-world scenarios requires advanced sensing for tactile feedback and…

Robotics · Computer Science 2026-01-28 Ruohan Zhang , Uksang Yoo , Yichen Li , Arpit Agarwal , Wenzhen Yuan

Tactile perception is an essential ability of intelligent robots in interaction with their surrounding environments. This perception as an intermediate level acts between sensation and action and has to be defined properly to generate…

Robotics · Computer Science 2019-07-24 Masoud Baghbahari , Aman Behal

Having the ability to estimate an object's properties through interaction will enable robots to manipulate novel objects. Object's dynamics, specifically the friction and inertial parameters have only been estimated in a lab environment…

Robotics · Computer Science 2021-01-20 Balakumar Sundaralingam , Tucker Hermans

Collaborative robots stand to have an immense impact on both human welfare in domestic service applications and industrial superiority in advanced manufacturing with dexterous assembly. The outstanding challenge is providing robotic…

Robotics · Computer Science 2023-03-07 Won Kyung Do , Bianca Jurewicz , Monroe Kennedy

Grasping compliant objects is difficult for robots - applying too little force may cause the grasp to fail, while too much force may lead to object damage. A robot needs to apply the right amount of force to quickly and confidently grasp…

Robotics · Computer Science 2024-01-17 Maceon Knopke , Liguo Zhu , Peter Corke , Fangyi Zhang

Measurements of magnetic torque are most commonly preformed about a single axis or component of torque. Such measurements are very useful for hysteresis measurements of thin film structures in particular, where high shape anisotropy yields…

Tactile sensing is a crucial perception mode for robots and human amputees in need of controlling a prosthetic device. Today robotic and prosthetic systems are still missing the important feature of accurate tactile sensing. This lack is…

Robotics · Computer Science 2022-03-30 Xiaying Wang , Fabian Geiger , Vlad Niculescu , Michele Magno , Luca Benini

Tactile sensors play a crucial role in enabling robots to interact effectively and safely with objects in everyday tasks. In particular, visuotactile sensors have seen increasing usage in two and three-fingered grippers due to their…

Robotics · Computer Science 2024-10-22 Yifan Wu , Yuzhou Chen , Zhengying Zhu , Xuhao Qin , Chenxi Xiao

Many robotic surgical systems have been developed with micro-sized forceps for tissue manipulation. However, these systems often lack force sensing at the tool side and the manipulation forces are roughly estimated and controlled relying on…

Robotics · Computer Science 2024-01-26 Tangyou Liu , Tinghua Zhang , Jay Katupitiya , Jiaole Wang , Liao Wu

Precise manipulation of small objects using light holds transformative potential across diverse fields. While research in optical trapping and manipulation predominantly relies on the attraction of solid matter to light intensity maxima,…

Optics · Physics 2025-04-28 Adeel Afridi , Bruno Melo , Nadine Meyer , Romain Quidant

An extremely sensitive temperature measurement MEMS device is developed based on the principle of structural deflection in a bi-material cantilever caused by a difference in thermal expansion coefficients. A dual-beam asymmetrical geometry…

Instrumentation and Detectors · Physics 2012-08-27 Yi Zheng

Optical Coherence Tomography (OCT) has become an indispensable tool for investigating mesoscopic features in soft matter and fluid mechanics. Its ability to provide high-resolution, non-invasive measurements in both spatial and temporal…