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Related Concept Videos

Bus Impedance Matrix01:24

Bus Impedance Matrix

Calculating subtransient fault currents for three-phase faults in an N-bus power system involves using the positive-sequence network. When a three-phase short circuit occurs at a specific bus, the analysis uses the superposition method to evaluate two separate circuits.
In the first circuit, all machine voltage sources are short-circuited, leaving only the prefault voltage source at the fault location. The positive-sequence bus impedance matrix can be determined by solving the nodal equations,...
Design Example: Capacitance Multiplier Circuit01:20

Design Example: Capacitance Multiplier Circuit

In integrated circuit technology, a capacitance multiplier is often utilized to produce a larger capacitance value when a small physical capacitance falls short. This is achieved by a circuit that multiplies capacitance values by a factor of up to 1000, such that a 10-pF capacitor can replicate the performance of a 100-nF capacitor.
The circuit illustrated in Figure 1 below incorporates two op-amps, with the first operating as a voltage follower and the second acting as an inverting amplifier.
Woodward–Hoffmann Selection Rules and Microscopic Reversibility01:34

Woodward–Hoffmann Selection Rules and Microscopic Reversibility

Electrocyclic reactions, cycloadditions, and sigmatropic rearrangements are concerted pericyclic reactions that proceed via a cyclic transition state. These reactions are stereospecific and regioselective. The stereochemistry of the products depends on the symmetry characteristics of the interacting orbitals and the reaction conditions. Accordingly, pericyclic reactions are classified as either symmetry-allowed or symmetry-forbidden. Woodward and Hoffmann presented the selection criteria for...
Block Diagram Reduction01:22

Block Diagram Reduction

The process of deriving the transfer function of a control system often involves reducing its block diagram to a single block. This simplification can be achieved through a series of strategic operations, including relocating branch points and comparators. These operations preserve the overall function of the system while allowing for easier manipulation and combination of blocks.
The first step in this process is the identification and relocation of a branch point. A branch point, where a...
Transmission Line Design Considerations01:23

Transmission Line Design Considerations

Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...

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High Throughput Microfluidic Rapid and Low Cost Prototyping Packaging Methods
07:51

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Published on: December 23, 2013

Design of an optical reconfigurable shared-bus-hypercube interconnect.

T M Pinkston, J W Goodman

    Applied Optics
    |September 24, 2010
    PubMed
    Summary

    We introduce a novel free-space optics interconnect to significantly reduce network latency in multiprocessor systems. This innovative design supports high-throughput links and adaptable memory referencing for enhanced performance.

    Area of Science:

    • Computer Engineering
    • Optical Engineering
    • Network Architecture

    Background:

    • Multiprocessor systems face challenges with network latency, hindering overall performance.
    • Existing interconnects struggle to balance high throughput with efficient memory access patterns.

    Purpose of the Study:

    • To propose and assess the feasibility of a free-space optics interconnect for multiprocessor systems.
    • To investigate the potential of optical interconnects in reducing network latency and improving data throughput.

    Main Methods:

    • Conceptual design and feasibility analysis of a free-space optics multiprocessor interconnect.
    • Evaluation of the interconnect's capability to support high-throughput links and exploit memory reference locality through reconfiguration.

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    Last Updated: Jun 8, 2026

    High Throughput Microfluidic Rapid and Low Cost Prototyping Packaging Methods
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    Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
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    Quasi-light Storage for Optical Data Packets
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    Published on: February 6, 2014

    Main Results:

    • The proposed free-space optics interconnect demonstrates the potential for reduced network latency.
    • Analysis indicates support for hundreds of nodes in static configurations and tens of nodes in dynamic configurations.

    Conclusions:

    • Free-space optics present a viable technology for developing advanced multiprocessor interconnects.
    • The proposed design offers a promising solution for high-performance computing by addressing network latency and enabling scalable node support.