Abstract
The letter suggests utilizing a recursive-least-squares identification algorithm for real-time estimation of supercapacitor equivalent capacitance and resistance. Estimation is required since both parameters are subject to age, temperature, and terminal-voltage-based variations in addition to typical 20% tolerance of manufacturer provided values. The proposed approach allows calculating the device instantaneous state of energy used as a fuel gauge instead of the commonly adopted state of charge. Experimental results are given to verify the feasibility of the proposed method.
| Original language | American English |
|---|---|
| Article number | 7403949 |
| Pages (from-to) | 810-812 |
| Number of pages | 3 |
| Journal | IEEE Transactions on Energy Conversion |
| Volume | 31 |
| Issue number | 2 |
| DOIs | |
| State | Published - 1 Jun 2016 |
| Externally published | Yes |
Keywords
- Recursive-least squares (RLS)
- Supercapacitor
- state of energy
All Science Journal Classification (ASJC) codes
- Energy Engineering and Power Technology
- Electrical and Electronic Engineering