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Current-induced spin polarization (CISP) is rederived in ballistic spin-orbit-coupled electron systems, based on equilibrium statistical mechanics. A simple and useful picture is correspondingly proposed to help understand the CISP and…

Mesoscale and Nanoscale Physics · Physics 2008-10-24 Ming-Hao Liu , Son-Hsien Chen , Ching-Ray Chang

Predicting cardiac indices has long been a focal point in the medical imaging community. While various deep learning models have demonstrated success in quantifying cardiac indices, they remain susceptible to mild input perturbations, e.g.,…

Image and Video Processing · Electrical Eng. & Systems 2024-07-03 Xiangyang Zhu , Kede Ma , Wufeng Xue

Reliable control in motor imagery brain-computer interfaces (MI-BCIs) requires the precise decoding of user-specific neural rhythms, which vary significantly across individuals. The Common Spatial Pattern (CSP) algorithm is a cornerstone of…

Neurons and Cognition · Quantitative Biology 2026-05-04 Natália Araújo do Carmo , Aarthy Nagarajan

Balancing is a fundamental need for legged robots due to their unstable floating-base nature. Balance control has been thoroughly studied for simple models such as the linear inverted pendulum thanks to the concept of the instantaneous…

Robotics · Computer Science 2021-07-07 Junwei Liu , Hua Chen , Patrick M. Wensing , Wei Zhang

Left ventricular assist devices (LVADs) can provide mechanical support for a failing heart as bridge to transplant and destination therapy. Physiological control systems for LVADs should be designed to respond to changes in hemodynamic…

Systems and Control · Electrical Eng. & Systems 2020-02-14 Masoud Fetanat , Michael Stevens , Christopher Hayward , Nigel Hamilton Lovell

The interaction between excitation and inhibition is crucial for brain computation. To understand synaptic mechanisms underlying brain function, it is important to separate excitatory and inhibitory inputs to a target neuron. In the…

Neurons and Cognition · Quantitative Biology 2017-10-17 Songting Li , Xiaohui Zhang , Douglas Zhou , David Cai

Experiments show that spike-triggered stimulation performed with Bidirectional Brain-Computer-Interfaces (BBCI) can artificially strengthen connections between separate neural sites in motor cortex (MC). What are the neuronal mechanisms…

Neurons and Cognition · Quantitative Biology 2017-04-12 Guillaume Lajoie , Nedialko I. Krouchev , John F. Kalaska , Adrienne L. Fairhall , Eberhard E. Fetz

Visible Light Positioning (VLP) has emerged as a promising technology capable of delivering indoor localization with high accuracy. In VLP systems that use Photodiodes (PDs) as light receivers, the Received Signal Strength (RSS) is affected…

Robotics · Computer Science 2024-04-30 Xiao Sun , Yuan Zhuang , Xiansheng Yang , Jianzhu Huai , Tianming Huang , Daquan Feng

In this work we address the issue of validating the monodomain equation used in combination with the Bueno-Orovio ionic model for the prediction of the activation times in cardiac electro-physiology of the left ventricle. To this aim, we…

Rather than traditional position control, impedance control is preferred to ensure the safe operation of industrial robots programmed from demonstrations. However, variable stiffness learning studies have focused on task performance rather…

Robotics · Computer Science 2023-07-31 Masashi Okada , Mayumi Komatsu , Ryo Okumura , Tadahiro Taniguchi

Brain-computer interface systems and the recording of brain activity has garnered significant attention across a diverse spectrum of applications. EEG signals have emerged as a modality for recording neural electrical activity. Among the…

Signal Processing · Electrical Eng. & Systems 2024-05-03 M. Moein Esfahani , Hossein Sadati , Vince D Calhoun

Robust and energy-efficient bipedal locomotion in robotics is still a challenging topic. In order to address issues in this field, we can take inspiration from nature, by studying human locomotion. The Spring-Loaded Inverted Pendulum (SLIP)…

Robotics · Computer Science 2017-06-02 Ludo C. Visser , Stefano Stramigioli , Raffaella Carloni

The non-stationary characteristics of EEG signal and the individual differences of brain-computer interfaces (BCIs) lead to poor performance in the control process of the brain-controlled vehicles (BCVs). In this paper, by combining…

Neurons and Cognition · Quantitative Biology 2024-03-12 Hongguang Pan , Xinyu Yu , Yong Yang

Many real-world data sets, especially in biology, are produced by complex nonlinear dynamical systems. In this paper, we focus on brain calcium imaging (CaI) of different organisms (zebrafish and rat), aiming to build a model of joint…

We formulate a spin-polarized van Leeuwen and Baerends (vLB) correction to the local density approximation (LDA) exchange potential [Phys. Rev. A 49, 2421 (1994)] that enforces the ionization potential (IP) theorem following Stein et al.…

Materials Science · Physics 2016-03-09 Prashant Singh , Manoj K. Harbola , M. Hemanadhan , Abhijit Mookerjee , D. D. Johnson

We present a nonlinear data-driven Model Predictive Control (MPC) algorithm for deep brain stimulation (DBS) for the treatment of Parkinson's disease (PD). Although DBS is typically implemented in open-loop, closed-loop DBS (CLDBS) uses the…

Optimization and Control · Mathematics 2025-09-09 Sebastian Steffen , Mark Cannon

Rapid acceleration and burst maneuvers in underwater robots depend less on maintaining precise resonance and more on force--velocity phase alignment during thrust generation. In this work, we investigate constrained-layer damping (CLD) as a…

Robotics · Computer Science 2026-03-05 Qimin Feng , Orion A. Roberts , Qiang Zhong

We perform a joint analysis of the power spectrum and the bispectrum of the CMB temperature and polarization anisotropies to improve the constraints on isocurvature modes. We construct joint likelihoods, both for the existing Planck data,…

Cosmology and Nongalactic Astrophysics · Physics 2021-01-19 Thomas Montandon , Guillaume Patanchon , Bartjan van Tent

Tip-growing eversion robots are renowned for their ability to access remote spaces through narrow passages. However, achieving reliable navigation remains a significant challenge. Existing solutions often rely on artificial muscles…

Spring Loaded Inverted Pendulum (SLIP) model has a long history in describing running behavior in animals and humans as well as has been used as a design basis for robots capable of dynamic locomotion. Anchoring the SLIP for lossy physical…

Robotics · Computer Science 2015-06-08 H. Eftun Orhon , Caner Odabas , Ismail Uyanik , Omer Morgul , Uluc Saranli
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