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Related Concept Videos

Potential Energy00:52

Potential Energy

37.4K
The energy stored by a structure and location of matter in space is called potential energy. For instance, raising a kettlebell changes its spatial location and increases its potential energy. Similarly, a stretched rubber band contains potential energy which, under certain conditions, can be converted into other forms of energy, such as kinetic energy.
Chemical bonds that form attractive forces between atoms also contain potential energy, called chemical energy. When a chemical reaction...
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Potential Energy01:09

Potential Energy

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A conservative force, such as a gravitational or elastic force, gives the body the capacity to do work. This capacity, measured as the potential energy, depends on the body's location or “position” relative to a fixed reference position or datum. The gravitational potential energy is considered zero at the reference point. Suppose a body is located at some vertical distance above a fixed horizontal reference or datum. In that case, the weight of the body has positive gravitational potential...
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Determining Electric Field From Electric Potential01:12

Determining Electric Field From Electric Potential

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The electric field and electric potential are related to each other. If the electric field at various points in the region of interest is known, it can be used to calculate the electric potential difference between any two points. Similarly, if the electric potential is known for various points, then it is possible to calculate the electric field.
In general, regardless of whether the electric field is uniform, it points in the direction of decreasing potential because the force on a positive...
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Finding Electric Potential From Electric Field01:13

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For a system of charges, it is easy to calculate the system's potential because potential is a scalar quantity. However, in some instances where calculating the electric field is more straightforward than finding the potential, the electric field is used to calculate the system's potential. For a positive charge, the electric field is radially outward, and the potential is positive at any finite distance from the positive charge. In such an electric field, the motion away from the...
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Energy Associated With a Charge Distribution01:21

Energy Associated With a Charge Distribution

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The work done to bring a charge through a distance r is given by the potential difference between the initial and the final position. To assemble a collection of point charges, the total work done can be expressed in terms of the product of each pair of charges divided by their separation distance, defined with respect to a suitable origin. Solving this expression gives the energy stored in a point charge distribution.
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Energy and Power Signals01:17

Energy and Power Signals

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In an electrical system with a resistor, voltage and current signals facilitate the measurement of power and energy across the resistor. For a continuous-time signal, the total energy over a time interval is defined as the integral of the square of the signal's magnitude over that interval. Mathematically, this is expressed as:
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Related Experiment Video

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Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
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A clustering protocol for wireless sensor networks based on energy potential field.

Zuo Chen1, Yao Xiao, Xiaodong Li

  • 1College of Information Science and Technology, Hunan University, Changsha, Hunan 410082, China.

Thescientificworldjournal
|November 30, 2013
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Summary

This study introduces LEACH-PF, a novel clustering protocol for wireless sensor networks. LEACH-PF effectively reduces energy consumption and prolongs network lifetime by utilizing an energy potential field for routing.

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Area of Science:

  • Computer Science
  • Electrical Engineering
  • Network Engineering

Background:

  • Wireless sensor networks (WSNs) face significant challenges in prolonging operational lifetime due to energy constraints.
  • Efficient energy management is crucial for the sustained functionality of WSNs.

Purpose of the Study:

  • To introduce and evaluate LEACH-PF, a novel multihop routing clustering protocol for WSNs.
  • To demonstrate the effectiveness of LEACH-PF in enhancing network longevity and reducing energy consumption.

Main Methods:

  • The proposed LEACH-PF protocol divides the network into subnetworks, each with a designated cluster head.
  • An energy potential field is utilized to construct an intercluster routing tree based on equipotential differences.
  • Member nodes communicate directly with their cluster heads for regional coverage.

Main Results:

  • Simulation results indicate that LEACH-PF significantly reduces overall network energy consumption.
  • The LEACH-PF protocol effectively extends the operational lifetime of wireless sensor networks.

Conclusions:

  • LEACH-PF offers an efficient solution for energy management in WSNs.
  • The protocol's clustering and routing strategy contributes to prolonged network lifetime.