Frank Z. Wang

ORCID: 0000-0003-4378-2172
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About
Contact & Profiles
Research Areas
  • Advanced Memory and Neural Computing
  • Distributed and Parallel Computing Systems
  • Advanced Data Storage Technologies
  • Neural dynamics and brain function
  • Neuroscience and Neural Engineering
  • Ferroelectric and Negative Capacitance Devices
  • Caching and Content Delivery
  • Photoreceptor and optogenetics research
  • Magnetic properties of thin films
  • Parallel Computing and Optimization Techniques
  • Quantum and electron transport phenomena
  • Quantum Computing Algorithms and Architecture
  • Peer-to-Peer Network Technologies
  • Cloud Computing and Resource Management
  • Opportunistic and Delay-Tolerant Networks
  • Complex Network Analysis Techniques
  • stochastic dynamics and bifurcation
  • Neural Networks and Applications
  • IoT and Edge/Fog Computing
  • Quantum Information and Cryptography
  • Machine Learning and ELM
  • Distributed systems and fault tolerance
  • Network Traffic and Congestion Control
  • Algorithms and Data Compression
  • Theoretical and Computational Physics

University of Kent
2014-2024

Tsinghua University
2017-2021

Beijing Computing Center
2019-2021

University of California, Berkeley
2019

Cranfield University
2004-2011

London Metropolitan University
2000-2001

University of Plymouth
2000

It was found that the switching in a memristor takes place with time delay (this peculiar feature is named "the delayed switching"). This has been verified by circuit-based experiment. The physical interpretation of this phenomenon an electron element possesses certain inertia, i.e., charge <formula formulatype="inline" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><tex Notation="TeX"> $q$</tex></formula> or flux...

10.1109/led.2010.2049560 article EN IEEE Electron Device Letters 2010-06-14

10.1016/j.simpat.2009.02.005 article EN Simulation Modelling Practice and Theory 2009-02-28

Magnetic flux and electric charge are linked in a memristor. We reported recently that memristor has peculiar effect which the switching takes place with time delay because possesses certain inertia. This was named “delayed effect.” In this work, we elaborate on importance of delayed brain-like computer using neural networks. The is used to control synapse between two neurons fire together (the Hebbian rule). A theoretical formula found, design verified by simulation. have also built an...

10.1063/1.3672409 article EN Journal of Applied Physics 2012-02-24

In this work, we invented the Φ memristor to exhibit direct flux-charge interaction, in which a wire carrying controlled amount of current is strung through magnetic core, and, simultaneously, sensing possibly induced voltage by switched flux. This work confirms existence ideal postulated almost 50 years ago. order study and its positive/negative integer-/fraction-order counterparties, relationship (and approximations), complete differential conformal transformation, triangular periodic...

10.1063/1.5042281 article EN Journal of Applied Physics 2019-02-07

Chua proposed an Elementary Circuit Element Quadrangle including the three classic elements (resistor, inductor, and capacitor) his formulated, named memristor as fourth element. Based on observation that this quadrangle may not be symmetric, I Triangle, in which well mem-capacitor mem-inductor lead basic element classes, respectively. An intrinsic mathematical relationship is found to support new classification. It believed triangle concise, mathematically sound aesthetically beautiful,...

10.1109/tcsi.2012.2209734 article EN IEEE Transactions on Circuits and Systems I Regular Papers 2013-02-13

Based on the differential conformal transformation in fractional order, we defined memristor contrast to traditional (integer-order) memristor. As an example, a typical spin-transfer torque (STT) (with asymmetric resistance hysteresis) was proved be 0.8 In conclusion, many memristors should not treated as ideal ones due interaction between flux and charge. Indeed, unless non-ideal is properly modelled memristor, no deep physical understanding would possible develop reliable commercial product.

10.1063/1.5000919 article EN Applied Physics Letters 2017-12-11

This paper describes the grid-oriented storage (GOS) architecture and its implementations. A GOS-specific file system (GOS-FS), single-purpose intent of a GOS OS, secure interfaces via grid security infrastructure (GSI) motivate enable this new architecture. As an FTP server, with slimmed total volume around 150 MB, outperforms standard GridFTP by 20-40 percent. GOS-FS acts as network/grid interface, enabling user to perform searches access resources without downloading them locally. In...

10.1109/tc.2007.1005 article EN IEEE Transactions on Computers 2007-03-14

Resistors with memory (memristors), inductors (meminductors) and capacitors (memcapacitors) play different roles in novel computing architectures. We found that a coil magnetic core is an inductor (meminductor) terms of its inductance L(q) being function charge q. The history the current passing through remembered by magnetization inside core. Such meminductor can unique role (that cannot be played memristor) neuromorphic computing, deep learning brain-inspired computers since time constant...

10.3390/mi14020486 article EN cc-by Micromachines 2023-02-19

An ad-hoc network of unmanned aerial vehicles (UAVs) is modeled as a swarm birds. Flock formation observed among birds in nature inspires the control these UAVs, which perform search and destroy task involving multiple, moving targets. The proposed model decentralized, adaptive self-organizing to deal with dynamic distributed problem relies only on local sensing minimal communications account for potential limitations terms global lack information related task. tested its self-organization...

10.1109/is.2008.4670440 article EN 2008-09-01

In heterogeneous cloud, the provision of quality service (QoS) guarantees for on-line parallel analysis jobs is much more challenging than off-line ones, mainly due to many involved parameters, unstable resource performance, various job pattern and dynamic query workload. this paper we propose an entropy-based scheduling strategy running as a reliable efficient, implement proposed idea in Spark. Entropy, measure degree disorder system, indicator system's tendency progress out order into...

10.1109/lcnw.2015.7365918 article EN 2015-10-01

The memristor is postulated by Chua (IEEE Trans Circuit Theory, 18(5):507–519, 1971) as the fourth fundamental passive circuit element and experimentally validated HP labs in 2008. It an emerging device nano technology that provides low power consumption well high density. In this paper, staircase model discussed investigated with model. By connecting models series or parallel, a could be constructed demonstrate behavior. comparing to general model, distinctions between them are demonstrated...

10.1007/s10470-016-0715-3 article EN cc-by Analog Integrated Circuits and Signal Processing 2016-03-31

Memristors are labelled as a significant candidate of building better storage structure, higher capacity and more efficient performance. Research shows that the density memristor array could be 100 times compared to dynamic random-access memory, hence it is possible build structure with high density. Tracing back year 1971, Prof. Chua firstly proposed fourth circuit element defined memory-resistor, new emerged passive device two terminals have ability respond history or past memory current...

10.1109/uksim.2015.32 article EN 2015-03-01

A diode-free magnetic random access memory comprises two sets of conductive lines, an array tunnel junctions at each intersection, and a peripheral circuitry. Such simplified architecture described in this letter overcomes the diode-area constraint prior art achieves significant breakthrough storage density.

10.1063/1.1313345 article EN Applied Physics Letters 2000-09-25

Synaptic plasticity has been widely assumed to be the mechanism behind memory and learning, in which, synapse a critical role. As newer biologic update rule hebbian spiking-time dependent (STDP) concerns on temporal order of presynaptic spike postsynaptic which will change strength of, connection site neurons, synapse. In this paper different way is shown utilise novel element memristors implement supervised STDP. Because resistance memristor depends its past states, researchers are...

10.1109/cinti.2013.6705238 article EN 2013-11-01

This study is the first experimental verification of Landauer's bound on a single spin, which smallest information carrier in size. We used four experiments (single spin experiment, giant nanomagnet experiment and Stern-Gerlach experiment) to demonstrate that was much more energy-efficient than other carriers due its small size weak coupling with surroundings. conclude quantum spintronics, spins as qubits, an computing paradigm requires amount energy (1.2 × 10 <sup...

10.1109/tqe.2023.3269039 article EN cc-by IEEE Transactions on Quantum Engineering 2023-01-01

In cloud service resource management system, complexity limits the system's ability to better satisfy application's quality of requirements, e.g., cost budget, average response time, and reliability. Numerousness, diversity, variety, uncertainty, etc., are some factors that lead variation between expected plan actual running performance applications. this paper, after defining clearly, we identify origin in system through study "Local Activity Principle." order manage complexity, an...

10.1109/tetci.2017.2755691 article EN IEEE Transactions on Emerging Topics in Computational Intelligence 2018-01-19

Content addressable memory is a novel storage device that can save data in its cells, which could be read, written and searched on the basis of their contents. This paper presents Memristor content (M-CAM) structures are formed M-CAM compare stored then give cell output signal to kept comparator. After comparison each cell, reading enabled at row all comparators. The current measured, if some comparators high resistance (0) row, lower than from another where low (1), means corresponding...

10.1109/nanoarch.2014.6880476 article EN 2014-07-01

Content addressable memory is a novel storage device that can save data in its cells, which could be read, written and searched on the basis of their contents. This paper presents Memristor Addressable Memory (M-CAM) structures are formed M-CAM compare stored then give cell output signal to kept comparator. After comparison each cell, reading enabled at row all comparators. The current measured, if some comparators high resistance (0) row, lower than from another where low (1), means...

10.1145/2770287.2770308 article EN 2014-07-08

Much importance is attached to the weights on edges in a network, but actual fact what makes up network both nodes and linking network. It therefore pertinent investigate effects of attributed unto as well links such networks they play important roles determining prominence or popularity actors within any particular Principles centrality measures were employed supply chain management show that weighted-ness edges/nodes together with clique structure emanates from it can be pointer otherwise...

10.1109/sai.2014.6918178 article EN Science and Information Conference 2014-08-01
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