Hybrid modulation controller IP for resonant DC-AC inverters
This technology improves how DC-to-AC power converters (inverters) control their internal switches by dividing each half-cycle of the output waveform into distinct zones, each governed by a different switching strategy. Rather than applying a single modulation technique across the entire cycle, the controller dynamically switches methods at a precisely calculated boundary angle, optimizing performance across different operating conditions. The result is a resonant converter that can deliver cleaner AC power with better efficiency — reducing losses and heat — compared to single-method approaches. This kind of control logic is implemented in software running on a dedicated controller chip.
What you could build
A firmware or controller IP block for resonant inverter designs used in solar microinverters, EV onboard chargers, or data center power supplies — sold or licensed to power electronics OEMs and chipmakers who embed it into their next-generation converter hardware.
Who in Virginia should care
Defense contractors and data center operators with large Virginia footprints (Dominion Energy suppliers, AWS/data center power infrastructure vendors) would have direct interest in efficient high-density power conversion.
Readiness: Prototype likely
Concept — described but not yet demonstrated. Lab validated — supported by experimental results in the patent. Prototype likely — the text describes a built, working embodiment.
Readiness is inferred from the patent text, not from a lab visit.
The record
- Inventors
- Jih-Sheng Lai, Chih-Shen Yeh
- Granted
- July 9, 2024
- Status
- Granted patent
- Patent number
- 12034376
Ready to talk?
Virginia Tech Intellectual Properties handles licensing for this technology. Email us for an introduction prosim@harbor.capital.
Prosim summaries are generated from public patent text and are not legal advice.