AI-Enabled Real-Time Digital Twin System for Health Monitoring, Fault Prediction and Mission Reliability Enhancement of Aero Piston Engines used in MALE UAVs.
“We are building an AI-powered digital copy of a drone's engine that runs on the ground to track its health in real-time. This system analyzes engine sensors to predict failures before they happen, estimates remaining engine life, and simulates harsh flight conditions.”
Deconstructed Problem Blueprint
WHAT TO BUILD?
A modular, scalable Digital Twin and Predictive Health Monitoring software platform featuring a real-time data ingestion pipeline, Physics-Informed AI/ML diagnostic engine, and an operator dashboard/HMI.
WHO IS IT FOR?
UAV operators, propulsion engineers, and maintenance technicians within DRDO, IDEX, and defence ground control stations (GCS).
WHY DOES IT EXIST?
Current drone engine monitoring is purely reactive and threshold-based, meaning it only alerts operators after a failure or anomaly has already occurred, risking multimillion-dollar assets and mission aborts.
INPUT → PROCESS → OUTPUT ARCHITECTURE PIPELINE
SocketCAN/CAN bus telemetry streams, ECU/FADEC logs, historical flight data, environmental parameters (altitude, temperature), and engine specification files.
Data synchronization, thermodynamic physics-based modelling combined with deep learning/ML (LSTM, Autoencoders, Physics-Informed Neural Networks) for anomaly detection, RUL estimation, and simulation modeling.
Real-time health status dashboard, predictive fault alerts, remaining useful life (RUL) metrics, maintenance advisories, and post-flight mission replay logs.
CONSTRAINTS
- Must handle asynchronous, high-frequency telemetry streams without lag
- Needs robust offline-first architecture for secure field/GCS deployment
- Must accurately blend physical thermodynamic rules with data-driven AI to avoid hallucinated predictions
JURY METRICS
- Anomaly detection precision and recall rates
- Remaining Useful Life (RUL) estimation error margin
- Telemetry ingestion latency (sub-millisecond processing)
- UI responsiveness and clarity for high-stress operators
CORE BOTTLENECK
Successfully fusing real-time thermodynamic physics-based equations with machine learning models (PINNs) to accurately predict engine degradation without requiring impossible amounts of real flight failure data.
Why You Should Choose This PS (Pros)
- Extremely high strategic and national defence value under the IDEX/DRDO umbrella
- Clear, highly structured technical deliverables spanning simulation, AI, and visualization
- Incredible 'wow factor' through real-time telemetry graphs, 3D/2D engine schematics, and failure predictions
Challenges & Risks to Watch (Cons)
- Lack of real proprietary MALE UAV engine datasets requiring teams to generate realistic synthetic telemetry
- Complex multidisciplinary domain requiring a baseline understanding of internal combustion (IC) engine thermodynamics
- High expectations around architectural security and modular scalability
Recommended Tech Stack & Grand Finale Features
Killer Features to Impress the SIH Jury
View Official SIH 2026 Portal Raw Text▼
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Medium Altitude Long Endurance (MALE) UAV are increasingly being deployed for Long-duration intelligence, surveillance, reconnaissance (ISR).
Communication relay maritime surveillance and strategic defence missions Reliability and availability of propulsion systems are critical for mission success because piston-engine failures during flight may lead to mission abort, asset loss, or unsafe recovery conditions.
Conventional engine monitoring systems used in UAVs are primarily thresholdbased and reactive in nature. These systems generally indicate failures only after abnormality has already occurred. Present approaches also have limited capability to estimate remaining useful life (RUL) predict degradation trends, or simulate mission-wise engine behavior under varying environmental and operating conditions.
A Digital Twin (DT) framework for aero piston engines can significantly improve predictive maintenance, operational reliability, mission planning, and life cycle management by creating a continuously synchronized virtual representation of the physical engine using real-time sensor data physics-based models and AI/ML techniques.
The proposed problem aims to develop an indigenous Digital Twin framework suitable for deployment in MALE UAV ground control and health monitoring architecture. The solution should support real-time engine state estimation, anomaly detection degradation tracking, faultprediction, and mission replay capability.
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Develop a scalable and modular digital Twin System for an aero piston engine used in MALE UAV applications. The system shall create a real-time virtual representation of the engine by integrating.
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The digital twin core framework shall act as the central intelligence layer that continuously mirrors the real aero-piston engine operating onboard the MALE UAV. The framework should establish a dynamic and continuously synchronized virtual representation of the engine using live telemetry, physicsbased models, operational history and AI-Driven analytics. The framework should be designed considering future deployment in defence grade Ground Control Station (GCS), engine test rigs, and fleet-level health monitoring infrastructures. The expected solution should include:

