Fiber Optic Sensor Robotic Arm
Fiber optic sensors enable robotic arms to detect force, tactile feedback, and object interaction with high precision, enhancing dexterity and manipulation capabilities.
Overview of Fiber Optic Sensing in Robotics
Fiber optic sensors on robotic arms are designed to mimic human mechanoreception, allowing robots to sense force magnitude, direction, and contact location. These sensors are often embedded in modular robotic skin or at the robotic gripper tip, providing real-time tactile feedback for complex manipulation tasks . The sensors work by detecting strain or light power loss in optical fibers caused by external forces, which can then be converted into quantitative force measurements.
Types and Design Principles
- Modular Robotic Skin with Fiber Optic Strain Sensors
- Uses a triangular beam structure beneath a flexible skin cover.
- Force applied to the skin bends the beam, which is detected by fiber optic strain sensors.
- Capable of measuring force magnitude and contact location in three degrees of freedom.
- Achieves resolutions of 1.45 N for force and 1.85–1.91 mm for contact localization .
- Can be integrated on commercial robotic arms for remote or autonomous control.
- Polymer-Based Soft Optical Fiber Tactile Sensors
- Employs a two-layered weaved polymer optical fiber structure embedded in soft elastomer.
- Decouples normal and shear forces and measures object size simultaneously.
- Uses light power loss in the fiber core to infer contact forces.
- Provides high accuracy: 0.15 N for normal forces, 0.17–0.18 N for shear forces, and 0.4 mm for object size within a 0–2 N sensing range .
- Calibration algorithms allow precise reconstruction of the force vector at the robotic arm tip.
Advantages of Fiber Optic Sensors
- High sensitivity and resolution for both force and tactile feedback.
- Electromagnetic immunity, making them suitable for harsh industrial environments.
- Compact and flexible, allowing integration into robotic skins or grippers without affecting mobility.
- Simultaneous measurement of multiple force components and object characteristics.
Applications
- Dexterous manipulation in industrial, medical, or hazardous environments.
- Remote robotic control, where tactile feedback is critical for precision tasks.
- Human-robot interaction, enabling safer and more responsive robotic systems.
- Research in robotic perception, providing data for machine learning and control algorithms. Fiber optic sensors are increasingly used to enhance robotic arm intelligence, enabling robots to perform tasks that require fine force control and tactile perception, closely mimicking human touch and manipulation capabilities .
Information Single-ended robotic arm pose sensor based on a multimode fiber
We propose and demonstrate a single-ended multimode fiber (MMF)-based shape sensor for robotic arm pose estimation. Swept
Information A fiber positioner robotic arm with sensor based on 4mm motor
An optical fiber is hold with X-unit and introduced to spectroscope, thus the optical fiber can be moved anywhere
Information Dynamic Rotational Sensor Using Polymer Optical Fiber
A complex signal processing technique is usually required to process the data in most
Information Fiber-Optic Force Sensing of Modular Robotic Skin for Remote and
A force applied to the skin cover causes the bending of the beam, which is detected by fiber optic strain sensors. The
Information Macrobend optical sensing for pose measurement in
This loopback optical fibre system is inherently safe as no electrical current is required at the
Information (PDF) Light Intensity Based Optical Force/Torque Sensor for Robotic
This paper presents a novel three-axis force sensor based on optical photo interrupters and integrated with the robot
Information Soft and Highly-Integrated Optical Fiber Bending Sensors for
Soft and Highly-Integrated Optical Fiber Bending Sensors for Proprioception in Multi-Material 3D Printed Fingers Ellis Capp1∗, Marco
Information Fiber-Optic Sensors of Angular Position for Robotics
The sensitive element of FOS-AP is a piece of optical fiber with a diameter of 0.25 mm. Keywords-anthropomorphic robot gripper;
Information On the integration of FBG sensing technology into robotic grippers
This work proposes an optical fiber-based technology, namely fiber Bragg grating (FBG) optical fiber, as a tactile
Information Sub-millimeter fiberscopic robot with integrated maneuvering, imaging
This study introduces an optical fiber-based continuum robot integrated imaging, high-precision motion, and
Information Review Advancements in fiber optic tactile sensors: A comprehensive
The interrogators used for fiber-optic tactile sensors are often bulky, expensive, and unsuitable for robotic applications.
Information Shape Detection and Reconstruction of Soft Robotic Arm Based on Fiber
The simultaneous measurement of curvature and temperature of fiber-optic sensors is an essential application in
Information Fibertouch: A novel fiber-optic tactile sensor with deep learning
Kim et al. introduced a novel force and tactile sensing system for robotic end-effectors using fiber optic sensors in
Information Low-Cost Angle Sensor for Robotics Applications Using Plastic Optical
Therefore, we have developed an angle sensor based on step-index profile plastic optical fiber (SI-POF), which is
Information Fiber Optic Shape Sensing for Soft Robotics
Fiber optic shape sensor In this pilot study, we use a research grade FOSS from Luna Innovations, Inc. (Blacksburg,
Information Fiber optic sensor embedded in robotic systems for 3-D orientation
Overall, a three-dimensional rotational sensor based on polymer optical fiber is a useful tool for measuring the
Information (PDF) Fiber Optic Shape Sensing for Soft Robotics
This work explores the potential of a nearly commercial fiber optic shape sensor (FOSS) and presents the first
Information Color-Coded Fiber-Optic Tactile Sensor for an Elastomeric Robot Skin
Abstract—The sense of touch is essential for reliable mapping between the environment and a robot which interacts physically with
Information Collision Localization for a Robotic Arm Based on Fiber-Optic Sensing
Collision Localization for a Robotic Arm Based on Fiber-Optic Sensing and Machine Learning
Information Stress Monitoring and Adaptive Grasping for Robotic Grippers Using
Reliable and adaptive grasping in robotic systems remains challenging due to the lack of real-time structural feedback
Information Fiber-Optic Force Sensing of Modular Robotic Skin for Remote and
Force sensing in the proposed skin is enabled by a custom-designed triangular beam structure underneath the skin cover. A force
Information On the integration of FBG sensing technology into robotic grippers
FBG optical fiber can also be potentially small in size, easy to fabricate, and demonstrate longer lifetimes. Finally,
Information Fiber-optic-based force and shape sensing in surgical robots: a review
With the increasing development of the surgical robots, the opto-mechatronic technologies are more potential in the
Information A fiber positioner robotic arm with sensor based on 4mm motor
The fiber positioner robot is the most crucial actuator in the focal positioning system of a Multi-Object Spectrographs. The double
Information Research on Characteristics of Fiber Optic Sensors for
Abstract Structure, operating principle, theoretical provisions, experimental characteristics of fiber optic sensors for
Information (PDF) A Bioinspired Robotic Finger for Multimodal Tactile Sensing
Inspired by various organisms, a novel multimodal tactile‐sensing soft robotic finger is proposed. This finger, based on
Information Fiber Optic Shape Sensing for Soft Robotics
Although the experimental data presented in this study focus primarily on planar, open loop shape sensing of a fiber
Information The Future of Optical Sensors in Robotic Hands
This article discusses the future of optical sensors in robotic hands and the need for the
Information Collision Localization for a Robotic Arm Based on Fiber-Optic Sensing
To ensure regular operation and prevent severe damage, a reliable collision detection system is an indispensable
Information zhen-cuhk/Optical-Shape-Sensor-for-Soft-Robotics
This repository presents a fiber optic sensor-based approach for monitoring deformations in flexible structures, with a focus on soft
Information Collision Localization for a Robotic Arm Based on Fiber-Optic Sensing
This article introduces a collision monitoring system for a robotic arm based on fiber-optic sensing. The system
Information Fibertouch: A novel fiber-optic tactile sensor with deep learning
This article presents a novel soft tactile force sensor based on seven FBGs, introducing an innovative force sensing
Information Fiber-Optic Force Sensing of Modular Robotic Skin for Remote and
Robots have taken the place of human operators in hazardous and challenging jobs requiring high dexterity in manipulation, and
Information Optical Fibre Based Angle Measurement for Robotic Joints
Abstract: A multiplexed array of optical fibre based angle sensors for deployment on multiple joints of a robotic arm is demonstrated.
Information Collision Localization for a Robotic Arm Based on Fiber-Optic Sensing
A collision monitoring system for a robotic arm based on fiber-optic sensing that employs distributed fiber Bragg grating
Information Illuminating Robotics and the Role of Optical Sensors in Continuum Robots
A recent review published in Sensors explores the dynamic field of continuum robotics, with a particular focus on the
Information [2407.16085] Miniature Fibre-Optic based Shape Sensing for Robotic
continuum-robots, prosthetic devices and wearable body-shape sensors. A miniaturised one-degree-of-freedom joint
Information Force Sensitive Robotic End-Effector Using Embedded Fiber Optics
This letter proposes the design of a new force and tactile sensing mechanism for a robotic end-effector suitable for deployment in
Information (PDF) Integration of Fiber-Optic Sensor Arrays into a Multi-Modal
This publication is focused on the development of a compact sensor interface for a fiber-optic sensor array, as optic
Information Collision Localization for a Robotic Arm Based on Fiber-Optic Sensing
In recent years, robotic arms have become universal tools across various industries. To ensure regular operation and prevent severe
Information Flexible Optical Fiber Sensing: Materials,
Flexible optical fiber sensors benefit from both technology-merits of optical fiber sensing and flexible
Information Optical Force and Torque Sensor for Flexible Robotic Manipulators
This fibre-optic arrangement is 7.5 mm in diameter and is comprised of a two-segment flexible and stretchable Steiner