AIMC Topic: Feedback

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Pneumatically driven surgical instrument capable of estimating translational force and grasping force.

The international journal of medical robotics + computer assisted surgery : MRCAS
BACKGROUND: In robot-assisted minimally invasive surgery, feedback as well as sensing of translational and grasping forces allows surgeons to manipulate the robots using an appropriate force. However, there have been limited reports on single instrum...

Contrastive Hebbian learning with random feedback weights.

Neural networks : the official journal of the International Neural Network Society
Neural networks are commonly trained to make predictions through learning algorithms. Contrastive Hebbian learning, which is a powerful rule inspired by gradient backpropagation, is based on Hebb's rule and the contrastive divergence algorithm. It op...

Finite-Time Convergence Adaptive Neural Network Control for Nonlinear Servo Systems.

IEEE transactions on cybernetics
Although adaptive control design with function approximators, for example, neural networks (NNs) and fuzzy logic systems, has been studied for various nonlinear systems, the classical adaptive laws derived based on the gradient descent algorithm with...

Disturbance and uncertainty rejection performance for fractional-order complex dynamical networks.

Neural networks : the official journal of the International Neural Network Society
This paper investigates the synchronization issue for a family of time-delayed fractional-order complex dynamical networks (FCDNs) with time delay, unknown bounded uncertainty and disturbance. A novel fractional uncertainty and disturbance estimator ...

Robotic hand illusion with tactile feedback: Unravelling the relative contribution of visuotactile and visuomotor input to the representation of body parts in space.

PloS one
The rubber hand illusion describes a phenomenon in which participants experience a rubber hand as being part of their body by the synchronous application of visuotactile stimulation to the real and the artificial limb. In the recently introduced robo...

Shape memory alloy reinforced 5 mm ultra-thin rigid link surgical instrument with force-feedback.

Journal of medical engineering & technology
We report the development of a rigid link surgical instrument for surgical robotics. The device is only 5 mm in diameter and equipped with a shape memory alloy for better gripping, which avoids the use of mechanical gears. This ultra-thin instrument ...

A wearable vibrotactile system for distributed guidance in teleoperation and virtual environments.

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine
A novel wearable vibrotactile system is proposed in this article to enhance the performance of teleoperation robot systems. Using a wearable vibrotactile glove, the proposed system guides the operator in the master-slave control through a vibrotactil...

Maneuvering and stabilization control of a bipedal robot with a universal-spatial robotic tail.

Bioinspiration & biomimetics
This paper analyzes control methodologies to implement maneuvering and stabilization behaviors in a bipedal robot using a bioinspired robotic tail. Looking to nature, numerous animals augment their legs' functionality using a tail nature, numerous an...

DrKnow: A Diagnostic Learning Tool with Feedback from Automated Clinical Decision Support.

AMIA ... Annual Symposium proceedings. AMIA Symposium
Providing medical trainees with effective feedback is critical to the successful development of their diagnostic reasoning skills. We present the design of DrKnow, a web-based learning application that utilises a clinical decision support system (CDS...

Fixed-time synchronization of inertial memristor-based neural networks with discrete delay.

Neural networks : the official journal of the International Neural Network Society
This paper is concerned with the fixed-time synchronization control of inertial memristor-based neural networks with discrete delay. We design four different kinds of feedback controllers, under which the considered inertial memristor-based neural ne...