Flexible Tactile Sensors In article number 2105334, Jongbaeg Kim and co-workers present a flexible tactile sensor based on the carbon nanotube-wrinkled structure. The strategies to improve sensing performance are provided. this cover image, components of sensor, which is hierarchical structure with aggregated nanotube bundles, expressed.

The present paper presents a finite element model and analysis for the interaction between a piezoresistive tactile sensor and biological tissues. The tactile sensor is proposed for use in minimally invasive surgery to deliver tactile information of biological tissues to surgeons. The proposed sensor measures the relative hardness of soft contact objects as well as the contact force. Silicone r...

In recent years, many tactile sensors have been developed with the advancement in robotics. For example, there are sensors that measure the distribution of the contact state or the force distribution. Among the several tactile sensors in use currently, none can evaluate the sense of gentle touch. We have developed a fibratus tactile sensor that uses the property of reflection. Using this sensor...

We developed a compact tactile sensor in order to guide the clinician or the self-user for non-invasive detection of lumps. The new design has an advantage over the existing discrete tactile sensors and detection methods by efficiently sensing force distribution over an area without any side effects. The sensor consists of 10×10 infrared emitter-detector pairs, a silicon-rubber elastic pad, and...

Modern sensor arrays providing tactile feedback with high spatial and temporal resolution allow for new control strategies to exploit this valuable sensory channel for grasping and manipulation tasks. We present our recent efforts to transfer a control approach specifically developed to exploit tactile information for inhand manipulation of objects [3] from simulation to the real world. Aiming ...

A decoupling method based on radical basis function neural network (RBFNN) for a novel threedimensional force flexible tactile sensor is presented in this paper. A numerical model of the tactile sensor is built through finite element analysis, which simulates the mapping between three-dimensional force applied on top surface of the sensor and deformation of the sensor. Furthermore, the RBFNN is...

Tactile sensing is an important perception mode for robots, but the existing tactile technologies have multiple limitations. What kind of tactile information robots need, and how to use the information, remain open questions. We believe a soft sensor surface and high-resolution sensing of geometry should be important components of a competent tactile sensor. In this paper, we discuss the develo...

An augmented-reality approach to real-time visualization of tactile data with projection on a human organ is presented. A target procedure is breast cancer examination with a tactile sensor. The special tactile sensor is used to measure tissue stiffness values at discrete points of the examined organ. We developed an augmented reality system which integrates the tactile sensor, a head-mounted d...