Power management system for wireless autonomous transducer solutions
First Claim
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1. An autonomous transducer system comprising:
- an energy scavenging module;
an energy storage module;
a load circuit comprising at least one functional block providing a given functionality; and
a power management module configured to provide power supplied by the energy scavenging module to the load circuit or to exchange power with the energy storage module, wherein the power management module comprises a tuning module configured to tune the at least one functional block of the load circuit according to a given configuration scheme and based on information stored internally in the load circuit wherein the power management module further comprises circuitry for measuring a temporal voltage behavior of the energy storage module, and wherein the temporal voltage behavior is taken into account in the given configuration scheme.
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Abstract
An autonomous transducer system is disclosed. In one aspect, the system includes an energy scavenging module, energy storage module, a load circuit having at least one functional block providing a given functionality, and a power management module arranged for providing power supplied by the energy scavenging module to the load circuit or for exchanging power with the energy storage module. The power management module may further include a tuning module configured to tune the at least one functional block of the load circuit according to a given configuration scheme.
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Citations
17 Claims
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1. An autonomous transducer system comprising:
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an energy scavenging module; an energy storage module; a load circuit comprising at least one functional block providing a given functionality; and a power management module configured to provide power supplied by the energy scavenging module to the load circuit or to exchange power with the energy storage module, wherein the power management module comprises a tuning module configured to tune the at least one functional block of the load circuit according to a given configuration scheme and based on information stored internally in the load circuit wherein the power management module further comprises circuitry for measuring a temporal voltage behavior of the energy storage module, and wherein the temporal voltage behavior is taken into account in the given configuration scheme. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of managing the power budget of an autonomous transducer system, the method comprises:
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determining a power budget based on information of power supplied by an energy scavenging module and of power consumed by at least one functional block of a load circuit of the transducer system; tuning the given functionality of the at least one function block according to a given configuration and based on information stored internally in the load circuit such that the power budget is positive; and measuring a temporal voltage behavior of an energy storage module, wherein the given configuration scheme is at least partly selected based on the temporal voltage behavior. - View Dependent Claims (11, 12, 13, 14, 15)
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16. An autonomous transducer system comprising:
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means for scavenging energy; means for storing energy; means for providing at least one functional block; means for providing power supplied by the energy scavenging means to the functional block providing means or for exchanging power with the energy storage means, wherein the power providing or exchanging means comprises means for tuning the at least one functional block of the functional block providing means according to a given configuration scheme and based on information stored internally in the functional block providing means; and means for measuring a temporal voltage behavior of the energy storing means, wherein the given configuration scheme is at least partly selected based on the temporal voltage behavior. - View Dependent Claims (17)
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Specification