4 papers · 1 filter
Ranking-Augmented On-Policy Optimization with Adaptive Advantage-Normalization for Constrained Control
Md Ragib Rownak, Sidra Ghayour Bhatti, Qadeer Ahmed
This paper analyzes the boundedness and feasibility properties of Advantage-Ranked Group Relative Policy Optimization (A-GRPO), a ranking-augmented, critic-free policy gradient met…
Model-Free Budgeted Attack Scheduling for Cyber-Physical Systems
Qazi Mairaj ud din, Sidra Ghayour Bhatti, Qadeer Ahmed
This letter studies the budgeted scheduling of stealthy false data-injection (FDI) attacks against state estimators in cyber-physical systems. Existing event-based attack scheduler…
Sequence Aware SAC Control for Engine Fuel Consumption Optimization in Electrified Powertrain
Wafeeq Jaleel, Md Ragib Rownak, Athar Hanif +2
As hybrid electric vehicles (HEVs) gain traction in heavy-duty trucks, adaptive and efficient energy management is critical for reducing fuel consumption while maintaining battery…
Improving Q-Learning for Real-World Control: A Case Study in Series Hybrid Agricultural Tractors
Hend Abououf, Sidra Ghayour Bhatti, Qadeer Ahmed
The variable and unpredictable load demands in hybrid agricultural tractors make it difficult to design optimal rule-based energy management strategies, motivating the use of adapt…