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US 10,853,549 B2Granted
Method and apparatus for simulating the generated charge profile of piezoelectric elements due to arbitrary shock loading
AssigneeOmnitek Partners LLC
InventorZiyuan Feng
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Abstract
A piezoelectric open-circuit output voltage profile simulator including a capacitor; at least first, second and third switches; and a controller for controlling the first, second and third switches.
Claims14
An open-circuit output voltage profile simulator comprising:
- a piezoelectric power source configured to provide an open-circuit output voltage;
- a first capacitor;
- at least first, second and third switches;
- a controller for controlling the first, second and third switches,
- a second capacitor couplable in parallel to the first capacitor under control of the second switch;
- a first resistor coupled in series between the first and second switches;
- and
- a second resistor coupled in series between the second and third switches;
- wherein the first capacitor is coupled to the power source through the first switch to control a charge profile of the simulator, and
- wherein the second and third switch are coupled to the first capacitor to control a discharge profile of the simulator.
7 more elements
An open-circuit output voltage profile simulator comprising:
- a piezoelectric power source configured to provide an open-circuit output voltage;
- a first capacitor;
- at least first, second and third switches;
- a controller for controlling the first, second and third switches, and
- a resistive discharge path couplable to the first capacitor under control of the second and third switches to provide the discharge profile of the simulator;
- wherein the first capacitor is coupled to the power source through the first switch to control a charge profile of the simulator,
- wherein the second and third switch are coupled to the first capacitor to control a discharge profile of the simulator, and
- wherein the resistive discharge path comprises a resistor coupled in series between the first and second switches.
5 more elements
An open-circuit output voltage profile simulator comprising:
- a piezoelectric power source configured to provide an open-circuit output voltage;
- a first capacitor;
- at least first, second and third switches;
- a controller for controlling the first, second and third switches, and
- a resistive discharge path couplable to the first capacitor under control of the second and third switches to provide the discharge profile of the simulator;
- wherein the first capacitor is coupled to the power source through the first switch to control a charge profile of the simulator,
- wherein the second and third switch are coupled to the first capacitor to control a discharge profile of the simulator, and
- wherein the resistive discharge path comprises a resistor coupled in series between the second and third switches.
5 more elements
Dependencies are inferred from the claim text.