Triboelectric Generator Waveform Synthesis for Direct Component Drive
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Solution Overview
Problem
State-of-the-art triboelectric generators produce high voltage outputs at frequencies unsuitable for direct driving of common components, requiring additional waveform modifying circuits that increase complexity, cost, and power consumption.
Innovation Solution
A device that combines multiple generator arrangements with different frequencies to produce a resultant output waveform with a desired frequency, eliminating the need for dedicated waveform generators by superposing output waveforms from multiple generator arrangements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If state-of-the-art triboelectric generators are used to generate electrical power, then high voltage output is achieved, but the output frequency is unsuitable for direct driving of common components
Solution Approach 1:
The generator is divided into multiple independent generator arrangements (first, second, third arrangements), each producing output currents at different frequencies. This segmentation allows each arrangement to be optimized for specific frequency requirements while collectively providing a versatile output that can directly drive various components without frequency conversion circuits.
2Adaptability or versatility
If waveform modifying circuits are added to adapt the output frequency, then frequency suitability is improved, but device complexity and cost increase
Solution Approach 1:
The generator arrangements are designed to inherently produce output currents at different frequencies through their structural configurations (different numbers of electrodes, different electrode patterns, different mechanical dimensions). This self-service approach eliminates the need for external waveform modifying circuits, as the frequency adaptation is built into the generator structure itself.
3Adaptability or versatility
If waveform modifying circuits are added to adapt the output frequency, then frequency suitability is improved, but power consumption increases
Solution Approach 1:
The generator arrangements inherently produce output currents at different frequencies through their structural configurations, eliminating the need for external waveform modifying circuits that would consume additional power. The frequency adaptation is achieved through the generator's own design rather than through additional active components.
4Adaptability or versatility
If multiple generator arrangements with different frequencies are combined, then output waveform adaptability is improved, but device complexity increases
Solution Approach 1:
The generator arrangements share common structural elements (electrodes, dielectric layers, mechanical support structures) that are configured in different patterns and numbers to produce different frequencies. This multi-functionality approach allows a single generator device to provide multiple frequency outputs for different applications, reducing overall system complexity compared to using separate dedicated generators for each frequency.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables the generation of electrical output currents with specific waveforms suitable for direct driving of components like electroactive polymer devices without the need for additional waveform modifying circuits, reducing complexity and cost while improving efficiency.
Implementation Method 1
The triboelectric effect (also known as triboelectric charging) is a contact-induced electrification in which a material becomes electrically charged after it is contacted with a different material through friction. Triboelectric generation is based on converting mechanical energy into electrical energy through methods which couple the triboelectric effect with electrostatic induction.
Implementation Method 2
If electrodes are disposed on to the two material surfaces and an electrical load connected between them, any further displacement of the sheets, either laterally or perpendicularly, will induce in response a current flow between the two electrodes. This is simply an example of electrostatic induction.
Data Source
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AI summary
The invention provides a device for generating electrical currents of a particular desired waveform through the combining of a plurality of different frequency output currents generated by plurality of power generating arrangements. The power generating arrangements each comprise at least first and second sets of generating elements, configured to hold a relative charge and to be moveable with respect to one another in order to generate an electrical output current of a particular frequency.