ADAPTIVE POWER CONTROL FOR ENERGY HARVESTING
First Claim
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1. A method for controlling power in an energy harvesting system comprising the steps of:
- monitoring at least one power parameter at a power source;
monitoring at least one corresponding power parameter at a load operably coupled to the power source;
responsive to a lower monitored power source parameter threshold, increasing power source output; and
responsive to an upper monitored power source parameter threshold, decreasing power source output.
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Abstract
Advances in the arts are disclosed with novel methods and circuit systems for controlling power in an energy harvesting system. Techniques and related systems for controlling power output of an energy harvesting device provide for monitoring at least one power parameter at a power source and monitoring at least one power parameter at a load such as a storage medium. The power source output is adjusted in order to optimize energy harvesting and/or storage based on real-time performance parameters.
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Citations
22 Claims
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1. A method for controlling power in an energy harvesting system comprising the steps of:
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monitoring at least one power parameter at a power source; monitoring at least one corresponding power parameter at a load operably coupled to the power source; responsive to a lower monitored power source parameter threshold, increasing power source output; and responsive to an upper monitored power source parameter threshold, decreasing power source output. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for controlling power in an energy harvesting system comprising the steps of:
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monitoring at least one power parameter at a variable power source; monitoring at least one corresponding power parameter at a storage medium operably coupled to the variable power source; responsive to a lower monitored power source parameter threshold, increasing variable power source output current; responsive to an upper monitored power source parameter threshold, decreasing variable power source output current; and thereby maintaining maximum power point tracking in the energy harvesting system.
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10. An energy harvesting system comprising:
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at least one power source; at least one power source monitor for monitoring a power parameter at a power source; at least one load operably coupled to the power source; a load monitor for monitoring a power parameter at a load; and a control module for using the monitored parameters to control power supplied to the load by the power source. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A control circuit for maximizing power delivered to a load, comprising:
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a power source for producing a current and a voltage; a load for receiving current and voltage from the power source; monitoring circuitry for monitoring the relative power levels of the source and the load; controlling circuitry for adjusting the power source current and voltage in response to the monitored power levels of the source and the load such that the power output of the source is maintained at an optimum level. - View Dependent Claims (17, 18, 19, 20, 21, 22)
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Specification