A5049670343- Laser-Matter Interactions and Applications
- Energy Harvesting in Wireless Networks
- Wireless Power Transfer Systems
- Laser Design and Applications
- Quantum optics and atomic interactions
- Natural Language Processing Techniques
- Advanced Battery Technologies Research
- Topic Modeling
- Spectroscopy and Quantum Chemical Studies
- Advanced Image and Video Retrieval Techniques
- Innovative Energy Harvesting Technologies
- Advanced battery technologies research
- Quantum Computing Algorithms and Architecture
- Quantum Information and Cryptography
- Spectroscopy and Laser Applications
- Multimodal Machine Learning Applications
- Advanced Neural Network Applications
- Human Pose and Action Recognition
- Advanced Fiber Laser Technologies
- Speech Recognition and Synthesis
- Video Surveillance and Tracking Methods
- Quantum and electron transport phenomena
- Electrocatalysts for Energy Conversion
- 3D Shape Modeling and Analysis
- Thermal Expansion and Ionic Conductivity
Fujian University of Technology
2023-2024
East China Normal University
2022-2024
University of Electronic Science and Technology of China
2024
Apple (United States)
2024
Apple (United Kingdom)
2024
McGill University
2020-2023
Lanzhou Jiaotong University
2023
The University of Tokyo
2019-2022
Southwest Jiaotong University
2017-2018
To explore the possibilities of a near-term intermediate-scale quantum algorithm and long-term fault-tolerant computing, fast versatile circuit simulator is needed. Here, we introduce Qulacs, for circuits intended research purpose. We show main concepts explain how to use its features via examples, describe numerical techniques speed-up simulation, demonstrate performance with benchmarks.
It is more convenient and safer to employ inductive power transfer (IPT) systems charge the battery pack of electric bicycles (EBs) than conventional plug-in systems. An IPT charging method suitable for massive EBs proposed achieve constant current (CC) voltage (CV) output without feedback control strategies or communication link between transmitter side receiver side. Two ac switches (ACSs) an auxiliary capacitor utilized at are employed be operated once change modes from CC mode CV mode....
To improve misalignment tolerance for an inductive power transfer (IPT) system, a third-coil is employed to reversely connect with the primary coil of loosely coupled transformer (LCT) in series. The LCT (LCT-TC) not only can performance x- and y-directions, but also does affect inherent output characteristics (such as constant current or voltage output) original compensation topologies. In addition, proposed approach keep IPT system operating relatively high efficiency against misalignment....
Wireless power transfer chargers for electric bicycles (EBs) have many advantages over transitional plug-in systems. However, to meet the charge requirements, traditional charger needs a dedicated inverter achieve constant current (CC) output or voltage (CV) output. A hybrid topology-based EB charging strategy is proposed using single high-frequency (HFI) massive EBs, and one stand can be shared EBs with various specifications of batteries. Configurable CC CV outputs realized by turning...
Electric bicycles (EBs) are becoming increasingly popular in some regions such as China and Europe. However, wireless power transfer (WPT) for charging massive EBs poses a challenge related to the cost of WPT system (WPTS), especially China, where application is so sensitive product price. This paper presents an optimization method passive components S-LCC topology decrease overall system. With novel method, number can be optimized minimum still with constant current voltage outputs. A...
This paper proposed a component voltage stress optimization method for high-power capacitive power transfer (CPT) charging system. A double CLC compensation topology is utilized at both primary and Secondary sides distribute the in CPT Detail analysis of characteristic done based on fundamental harmonic approximation method. not only can realize effective transfer, but also achieves unity factor high-frequency source. The are presented detail, system be distributed according to desired...
The population transfer dynamics in a strongly driven two-level system is studied. It shown that inversion can be efficiently achieved when laser pulse whose photon energy about half of the separation two levels turned on suddenly. This situation realized neutral atom or molecule ionized at peak field, followed by laser-driven among states an atomic molecular ion. mechanism efficient for ion effectively exposed to field with sudden turn-on examined numerical calculations based...
Recent advances in deep learning and automatic speech recognition have improved the accuracy of end-to-end systems, but personal content such as contact names remains a challenge. In this work, we describe our personalization solution for an system based on connectionist temporal classification. Building previous present novel method generating additional subword tokenizations entities from their pronunciations. We show that using technique combination with two established techniques,...
The detuning of an inductive power transfer (IPT) system caused by the component tolerance and aging inductors capacitors can decrease efficiency, accordingly. To tune receiver circuit IPT dynamically, inductor is parallelly connected with a diode full-bridge rectifier cascaded buck converter serving as tuning in this paper. By changing duty cycle converter, impedance be adjusted to compensate reactance detuning. range proposed method analyzed detail. A corresponding control method, which...
Abstract We simulate the time-dependent dynamics of a three-site spin chain described by Heisenberg XXX Hamiltonian. The quantum circuit representing wave function is constructed using Suzuki-Trotter approximation, and executed on computer ibm _ kawasaki . At each time step, density matrix three-qubit state reconstructed tomography. By applying four different mitigation methods, Clifford data regression, Pauli twirling, purification, orthogonalization, we demonstrate that accurate...
We investigate the role of rotational excitation in coherent and unidirectional $B{\phantom{\rule{0.16em}{0ex}}}^{2}{\mathrm{\ensuremath{\Sigma}}}_{u}^{+}\text{--}X{\phantom{\rule{0.16em}{0ex}}}^{2}{\mathrm{\ensuremath{\Sigma}}}_{g}^{+}$ emission ${{\mathrm{N}}_{2}}^{+}$ at 391 nm called air lasing generated when ${\mathrm{N}}_{2}$ is irradiated with intense femtosecond near-infrared laser pulses 800 nm. simulate time-dependent population transfer process ${{\mathrm{N}}_{2}}^{+}$, which...
For a traditional 2-coil system outputting constant voltage (CV), the transfer efficiency decreases drastically as distance increases. To solve this problem, essay proposes 3-coil which could achieve CV output and Zero Phase Angle (ZPA) conditions with specific parameter values. This partly relief fall at long distance, without any complicated controls. In order to ZPA condition, devises values based on decoupling model, prototype is designed accordingly verify these characteristics. With 10...
The lasing of ${\mathrm{N}}_{2}{}^{+}$ at 391 nm, originating from the population inversion between $X{\phantom{\rule{0.16em}{0ex}}}^{2}{\mathrm{\ensuremath{\Sigma}}}_{g}{}^{+}(v=0)$ and $B{\phantom{\rule{0.16em}{0ex}}}^{2}{\mathrm{\ensuremath{\Sigma}}}_{u}{}^{+}(v=0)$ achieved by irradiation a pair few-cycle intense near-IR laser pulses in pump-probe scheme, is investigated both experimentally theoretically. characteristic periodic intensity modulations recorded $P$- $R$-branch emission...
It is of great significance to implement inductive power transfer (IPT) technology massive Electric bicycles (EBs) charging as it more convenient and safer than the plug-in systems. However, cost IPT systems too expensive employ when hundreds inverters are needed for a parking lot. A novel method realize constant current (CC) voltage (CV) output EBs applications based on series-series (SS) system with only one inverter proposed in this paper. An additional capacitor an ac switch adopted at...
The industrial crane is an important tool and equipment for modern production lifting transportation to realize the automation of process as well mechanization, however, it vulnerable environmental disturbances such transporting heavy objects, which would cause running operation unstable swaying. In order improve stability traveling crane, this paper needles on basis traditional PID control algorithm proposes fuzzy BP-PID two improved intelligent algorithms. By comparing analyzing simulation...
Static three-chamber ZnI 2 redox batteries are designed and analyzed electrochemically. The reversibility of the zinc plating/stripping process is evaluated by monitoring cathodic/anodic peaks in cyclic voltammograms. electrochemical iodide on cathode based impedance spectra. related to I adsorption improving performance battery could be attributed isolation ions. multi-electrolyte limits influence delivers better including high discharging voltage power density.
Diffusion models have demonstrated remarkable capabilities in text-to-image and text-to-video generation, opening up possibilities for video editing based on textual input. However, the computational cost associated with sequential sampling diffusion poses challenges efficient editing. Existing approaches relying image generation suffer from time-consuming one-shot fine-tuning, additional condition extraction, or DDIM inversion, making real-time applications impractical. In this work, we...
Offline model-based optimization (MBO) aims to maximize a black-box objective function using only an offline dataset of designs and scores. A prevalent approach involves training conditional generative model on existing their associated scores, followed by the generation new conditioned higher target However, these newly generated often underperform due lack high-scoring data. To address this challenge, we introduce novel method, Design Editing for Model-based Optimization (DEMO), which...
Abstract On-device virtual assistants (VAs) powered by automatic speech recognition (ASR) require effective knowledge integration for the challenging entity-rich query recognition. In this paper, we conduct an empirical study of modeling strategies server-side rescoring spoken information domain queries using various categories language models (LMs) ( N -gram word LMs, sub-word neural LMs). We investigate combination on-device and signals, demonstrate significant error rate improvements...
In this paper, we consider the conditional generation problem by guiding off-the-shelf unconditional diffusion models with differentiable loss functions in a plug-and-play fashion. While previous research has primarily focused on balancing model and guided through tuned weight hyperparameter, propose novel framework that distinctly decouples these two components. Specifically, introduce variables ${x}$ ${z}$, to represent generated samples governed guidance function, respectively. This...