Table 1 Comparative analysis of representative approaches.
From: Empowering smart homes by IoT-driven hybrid renewable energy integration for enhanced efficiency
Study (representative) | System type | Method | Evaluation and Metrics | Strengths | Limitations | Contribution |
|---|---|---|---|---|---|---|
Model Predictive Control -based works50 | PV ± storage | Model Predictive Control57 | Simulation; metrics: tracking error, constraint satisfaction | Excellent stability and constraint handling34 | Requires an accurate model; limited multi-objective optimization32,33 | Combine machine learning forecasting with a hybrid optimiser to maintain constraint satisfaction and improve multi-objective trade-offs. |
Genetic Algorithm (GA)/PSO/Differential Evolution (DE) optimizers51,52,53 | PV + battery/PV + wind | Metaheuristics (Genetic Algorithm, PSO, Differential Evolution)58 | Simulation: cost, emissions, efficiency | Good global search, multi-objective optimization35 | Premature convergence, parameter sensitivity, and high runtime36,37 | Hybrid global + local search, adaptive parameters, and parallelism reduce convergence and runtime issues. |
Reinforcement Learning -based energy management system54 | PV + battery + demand response | Reinforcement Learning59 | Simulation; reward, cost | Learns model-free policies38 | Use machine learning forecasting and constrained optimisation for safety and deterministic guarantees; Reinforcement Learning is reserved for future extension. | |
Forecasting + rule-based energy management system55 | PV + wind | Statistical forecasting with heuristics58 | Simulation/pilot; cost savings | Suboptimal, inflexible to changes43 | Replace heuristics with adaptive optimization informed by IoT real-time data. | |
Pilot IoT deployment56 | PV + storage | Commercial energy management system with vendor rules59 | Small-scale pilots; uptime, user acceptance | The proposed framework proposes a scalable, open architecture with security and communication considerations. | ||
Proposed System | PV + wind + battery + demand response (IoT integrated) | Machine learning forecasting + hybrid optimization (global heuristics + local refinement) | Smart-home simulation: system efficiency, energy cost, CO₂ emissions | Holistic IoT integration, multi-objective optimization, real-time adaptability48 | Requires pilot validation for scalability49 | Explicit IoT-driven framework, adaptive optimizer, quantified economic & environmental benefits. |