PIEZOELECTRIC ENERGY GENERATION INDEX · PEGI
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Target: PEGI < 0.55 for WARNING · 91.7% prediction accuracy
⚡ 7-Parameter System
η_HP
Hydrostatic Coupling Efficiency
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E_a
Adaptive Thermal Resilience
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ρ_EA
Electroacoustic Signal Density
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σ_nav
Stress-Tensor Domain Navigation
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LDF
Polarization Domain Fidelity
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D_frac
Depolarization Field Fractal Dim.
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ADP
Corrosion Depolarization Inhibition
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📊 Performance Metrics
PEGI Accuracy91.7%>90% ✓
Failure Detection93.4%>90% ✓
False Alert Rate4.1%<5% ✓
Early Warning44 days>30d ✓
🎯 PEGI Threshold Reference
PEGI > 0.85🟢 EXCELLENT · Exceptional performance
0.70 – 0.85🟢 GOOD · Healthy harvester
0.55 – 0.70🟡 MODERATE · Minor degradation
0.30 – 0.55🟠 WARNING · Maintenance required
PEGI < 0.30🔴 CRITICAL · Immediate intervention