Editor’s Choice
electrodes, conductive silicone, insulating silicone and plastic layers, ensuring stable signal transmission and mechanical durability. T e sensor matrix, consisting of fi ve interconnected dome units, allows multi-point tactile detection, signifi cantly improving a robot’s ability to grasp, manipulate and interact with objects more eff ectively. Its compact design enables seamless integration into robotic fi ngers, enhancing tactile perception in various grasping and operational tasks.
Advanced tactile sensing for robotic precision T is sensor features a three-layer structure for 3D force detection and mutual capacitance sensing, enabling robots to interact more intelligently with their environment. T e fl exible contact layer ensures even force distribution for stable grasping, while the dielectric layer deforms under pressure, altering capacitance to measure force intensity. T e electrode layer detects these changes and transmits real-time data, allowing robots to capture both force direction and magnitude for precise grip adjustments. Additionally, proximity sensing enables robots to detect objects before contact, refi ning grasp strategies in advance. Its compact design ensures seamless integration into robotic fi ngers, enhancing dexterity across various tasks and materials.
The importance of real-time communication in robotics Real-time communication is critical for robotic tactile sensing, ensuring immediate response to changes in force and object interaction. A delay in processing force data could lead to unstable grasping, slippage, or excessive pressure, potentially damaging delicate objects. T is system, developed in collaboration with Beijing Tashan
Technology Co., Ltd., employs an I2C-based communication framework, allowing multiple sensors to operate simultaneously
without interference. By continuously monitoring capacitance changes, it provides instant force feedback, enabling robots to dynamically adjust their grip strength and positioning. T is real-time adaptability is essential for handling fragile materials, improving precision in industrial automation, and enhancing the effi ciency of robotic systems in unpredictable environments.
Seamless integration with robotic systems Because seamless integration is crucial for practical robotic applications, the capacitive tactile sensor is designed with a modular mounting system that allows quick installation onto industrial grippers without modifying their core structure. Compatible with dual-fi nger grippers, it replaces standard gripping surfaces and is secured using simple fasteners. Successfully deployed on a UR5 robot with a DH-Robotics adaptive gripper, the sensor enables plug-and-play compatibility for tasks requiring precise object manipulation, force-based control, and material recognition. By providing instant tactile feedback, it allows the robot to dynamically adjust its grip strength based on force and material properties, signifi cantly improving grasping effi ciency and interaction safety. With this level of adaptability,
robots are becoming more than just rigid machines – they’re learning to 'feel' their way through the world. As tactile sensing technology advances, the gap between human dexterity and robotic precision continues to shrink, making the future of automation smarter, safer, and more intuitive than ever.
www.electronicsworld.co.uk May 2025 11
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