369 research outputs found
Analog circuit fault diagnosis via FOA-LSSVM
At present, the research on fault detection and diagnosis technology is very significant to improve the reliability of the equipment, which can greatly improve the safety and efficiency of the equipment. This paper proposes a new fault detection and diagnosis means based on the FOA-LSSVM algorithm. Experimental results demonstrate that the algorithm is effective for the detection and diagnosis of analog circuit faults. In addition, the model also demonstrate good generalization ability
Perturbation Theory of Single Particle Spectrum of Antiferromagnetic Mott Insulating States in the Hubbard Models
In this work, we present an analytical framework for studying
antiferromagnetic (AFM) Mott insulating states in the Hubbard model. We first
derive an analytical solution for the single-particle Green's functions in the
atomic limit. Within a second-order perturbation approach, we compute the
ground state energy and show that the ground state is antiferromagnetically
ordered. Then we derive an analytical solution for single-particle Green's
functions when effects of the hopping term are considered in the N\'{e}el
state. With the analytical solution, we compute and explain various properties
of antiferromagnetic Mott insulators observed both experimentally and
numerically: i) magnetic blueshift of the Mott gap; ii) spectral functions with
features comparable to observations by angle-resolved photoemission
spectroscopy on parental compounds of cuprate high superconductors. This
work comprehends the electronic properties of antiferromagnetic Mott states
analytically and provides a foundation for future investigations of doped
antiferromagnetic Mott insulators, aiming for the mechanism of cuprates
high- superconductivity.Comment: 4.5 pages, 2 figure
Tetraaquabis[4-(4H-1,2,4-triazol-4-yl)benzoato-κN 1]copper(II) dihydrate
In the title compound, [Cu(C9H6N3O2)2(H2O)4]·2H2O, the CuII atom lies on an inversion center and is six-coordinated by two N atoms from two 4-(1,2,4-triazol-4-yl)benzoate ligands and four water molecules in a distorted octahedral geometry. In the crystal, intermolecular O—H⋯O hydrogen bonds lead to a three-dimensional supramolecular network. Intramolecular O—H⋯N hydrogen bonds and π–π interactions between the benzene rings and between the benzene and triazole rings [centroid–centroid distances = 3.657 (1) and 3.752 (1) Å] are observed
Neural correlates of audio-visual modal interference inhibition investigated in children by ERP
TacIPC: Intersection- and Inversion-free FEM-based Elastomer Simulation For Optical Tactile Sensors
Tactile perception stands as a critical sensory modality for human
interaction with the environment. Among various tactile sensor techniques,
optical sensor-based approaches have gained traction, notably for producing
high-resolution tactile images. This work explores gel elastomer deformation
simulation through a physics-based approach. While previous works in this
direction usually adopt the explicit material point method (MPM), which has
certain limitations in force simulation and rendering, we adopt the finite
element method (FEM) and address the challenges in penetration and mesh
distortion with incremental potential contact (IPC) method. As a result, we
present a simulator named TacIPC, which can ensure numerically stable
simulations while accommodating direct rendering and friction modeling. To
evaluate TacIPC, we conduct three tasks: pseudo-image quality assessment,
deformed geometry estimation, and marker displacement prediction. These tasks
show its superior efficacy in reducing the sim-to-real gap. Our method can also
seamlessly integrate with existing simulators. More experiments and videos can
be found in the supplementary materials and on the website:
https://sites.google.com/view/tac-ipc
日本人家族性高コレステロール血症の分子遺伝学的研究 : LDLレセプター遺伝子変異の多様性および地域差
取得学位 : 博士(医学), 学位授与番号 : 医博甲第1559号, 学位授与年月日 : 平成15年3月25日, 学位授与大学 : 金沢大
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