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⚡ PRISM

Predictive Reliability & Intelligence for Smart Manufacturing

Track A — Predictive Modelling Specialization | National AI/ML Hackathon by AVEVA

Python XGBoost TensorFlow FastAPI Next.js

Predict Every Batch. Prevent Every Failure.

Team Knights — Aditya Rana · Aryan Pratap Singh · Sandeep Kumar


"One system. Four modules. Seven predictions. Zero guesswork."


📑 Table of Contents


🔍 Overview

Modern manufacturing plants generate massive amounts of process data every batch — yet most of it goes unanalyzed. Energy spikes, quality drops, and equipment failures continue to surprise operators, costing time, money, and carbon.

PRISM is an AI-driven manufacturing intelligence system built for pharmaceutical tablet manufacturing that predicts batch quality, yield, and energy consumption before production completes — while continuously monitoring equipment health through power and vibration patterns to catch failures before they happen.

Given process parameters (compression force, machine speed, drying temperature, etc.), PRISM:

  • Predicts all quality, yield, and performance targets before the batch completes
  • Monitors energy consumption patterns phase-by-phase to detect anomalies during the batch
  • Explains every prediction using SHAP values so operators know why, not just what
  • Tracks carbon footprint with adaptive targets aligned to regulatory requirements

Domain: Pharmaceutical tablet manufacturing
Dataset: 60 production batches (T001–T060) + 1 minute-by-minute sensor log
Target Accuracy: R² ≥ 0.90 across all primary quality targets (achieved: ≥ 0.95 on XGBoost) Hackathon: National AI/ML Hackathon by AVEVA — Team Knights


✨ Key Features

Feature Description
🎯 Multi-Target Prediction Simultaneously predicts Hardness, Friability, Dissolution Rate, Content Uniformity, Disintegration Time, Tablet Weight, and Energy (kWh)
Energy Pattern Analysis Phase-wise power + vibration monitoring with Isolation Forest & LSTM Autoencoder anomaly detection
🔍 SHAP Explainability Per-prediction and global feature importance — operators understand why, not just what
🌍 Carbon Footprint Tracker CO₂e per batch using India CEA grid factor (0.716 kg/kWh) with adaptive target setting
🎛️ What-If Optimizer Real-time slider-based parameter explorer — predictions update in < 100ms
📊 Batch Fingerprinting Radar chart comparison of any two batches against the all-time best
📉 CUSUM Drift Detection Detects gradual quality/energy degradation across batches over time
🧪 Composite Quality Score Single 0–100 score blending all quality targets into one actionable metric
📈 Benchmark Dashboard Full model performance report (R², MAE, RMSE, MAPE) with anomaly detector metrics

📁 Project Structure

manufacturing-intelligence/
│
├── 📄 README.md
├── 📄 SETUP.md                           ← Step-by-step environment setup guide
├── 📄 PIPELINE.md                        ← Plain-English pipeline explanation
├── 📄 BENCHMARK.md                       ← Model benchmark report with metrics
│
├── 📂 data/
│   ├── raw/
│   │   ├── _h_batch_process_data.xlsx    ← Sensor log (T001, 211 min × 11 cols)
│   │   └── _h_batch_production_data.xlsx ← Batch records (60 batches × 15 cols)
│   ├── processed/
│   │   ├── merged_dataset.csv            ← Final ML input (60 × ~22 features)
│   │   ├── phase_features.csv            ← Phase-aggregated sensor features
│   │   ├── batch_outcomes.csv            ← Cleaned outcomes + derived targets
│   │   └── carbon_history.csv            ← Per-batch CO₂e with adaptive targets
│   └── simulated/
│       └── simulated_sensors.csv         ← Physics-based sensor data T001–T060
│
├── 📂 notebooks/                         ← Core analysis (run in order)
│   ├── 01_EDA.ipynb                      ← Exploratory data analysis
│   ├── 02_feature_engineering.ipynb      ← Simulation + feature extraction
│   ├── 03_multitarget_models.ipynb       ← Model training + evaluation
│   ├── 04_anomaly_detection.ipynb        ← Isolation Forest + LSTM Autoencoder
│   └── 05_explainability.ipynb           ← SHAP analysis + plots
│
├── 📂 analysis/                          ← Deep-dive analysis notebooks
│   ├── 01_data_profiling.ipynb           ← Full stats, missing values, outliers
│   ├── 02_correlation_deep_dive.ipynb    ← Pearson/Spearman/VIF analysis
│   ├── 03_phase_energy_analysis.ipynb    ← Phase energy breakdown, CUSUM drift
│   ├── 04_model_comparison.ipynb         ← CV scores, residuals, timing benchmarks
│   └── 05_business_impact.ipynb          ← ROI, carbon savings, grid scenarios
│
├── 📂 src/
│   ├── config.py                         ← Constants, paths, thresholds
│   ├── preprocessing.py                  ← Load, validate, normalize
│   ├── simulate_sensors.py               ← Physics-based T002–T060 simulation
│   ├── feature_engineering.py            ← Phase aggregation, FFT, derived features
│   ├── multi_target_model.py             ← XGBoost + RF + MLP + stacking ensemble
│   ├── anomaly_detector.py               ← Isolation Forest + LSTM Autoencoder
│   ├── shap_explainer.py                 ← SHAP value computation + plots
│   ├── carbon_calculator.py              ← CO₂e calculation + adaptive targets
│   ├── run_pipeline.py                   ← Master training script
│   └── utils.py                          ← Shared helpers
│
├── 📂 models/                            ← Serialized trained models (after pipeline run)
│   ├── xgb_multitarget.pkl
│   ├── rf_multitarget.pkl
│   ├── mlp_model.keras
│   ├── stacking_meta.pkl
│   ├── isolation_forest.pkl
│   ├── lstm_autoencoder.keras
│   ├── scaler.pkl
│   ├── shap_values.pkl
│   ├── lstm_threshold.json
│   ├── lstm_norm_params.json
│   ├── evaluation_results.json           ← Per-target R², MAE, RMSE, MAPE
│   └── pipeline_summary.json             ← Full run summary
│
├── 📂 api/
│   ├── main.py                           ← FastAPI app + all route handlers
│   └── schemas.py                        ← Pydantic request/response models
│
├── 📂 dashboard/                         ← Next.js web dashboard (React + TypeScript)
│   ├── package.json
│   ├── next.config.ts
│   ├── tsconfig.json
│   └── src/
│       ├── app/
│       │   ├── layout.tsx                ← Root layout + navigation
│       │   ├── page.tsx                  ← Home redirect
│       │   ├── ClientLayout.tsx          ← Tab-based navigation shell
│       │   └── globals.css
│       ├── components/
│       │   ├── MetricCard.tsx            ← Reusable metric display card
│       │   ├── Slider.tsx                ← Parameter input slider
│       │   └── tabs/
│       │       ├── PredictionsTab.tsx    ← Tab 1: Quality & energy predictions
│       │       ├── EnergyTab.tsx         ← Tab 2: Phase charts + anomaly alerts
│       │       ├── ComparisonTab.tsx     ← Tab 3: Radar chart batch comparison
│       │       ├── CarbonTab.tsx         ← Tab 4: CO₂e trends + targets
│       │       ├── WhatIfTab.tsx         ← Tab 5: Real-time parameter explorer
│       │       └── BenchmarkTab.tsx      ← Tab 6: Full model benchmark report
│       └── lib/
│
├── 📂 tests/
│   ├── test_preprocessing.py
│   ├── test_models.py
│   └── test_api.py
│
├── 📂 docs/
│   ├── ARCHITECTURE.md                   ← System design + diagrams
│   ├── IMPLEMENTATION_PLAN.md            ← Build guide + code skeletons + timeline
│   └── PROJECT_DOCUMENTATION.md         ← Strategy, research rationale, business impact
│
└── 📄 requirements.txt

🛠️ Tech Stack

Layer Technology Purpose
Data Processing pandas, numpy, openpyxl Tabular data manipulation, Excel reading
ML — Gradient Boosting xgboost 2.0 Primary multi-output prediction model
ML — Ensemble scikit-learn Random Forest, Ridge meta-learner, Isolation Forest, scalers
Deep Learning tensorflow 2.15 / keras LSTM Autoencoder for sequential anomaly detection, MLP regression
Hyperparameter Tuning optuna Bayesian search over XGBoost hyperparameters (50 trials)
Explainability shap TreeExplainer for XGBoost; beeswarm, waterfall, bar plots
API Backend fastapi, uvicorn, pydantic REST endpoints; auto Swagger docs; < 100ms inference
Web Dashboard Next.js 16, React 19, TypeScript 6-tab interactive dashboard consuming the FastAPI backend
Charts recharts, plotly Time-series, radar, and bar charts
Serialization joblib Model persistence across sessions
Signal Processing scipy FFT analysis of vibration signals for motor health

📊 Dataset

_h_batch_process_data.xlsx — Minute-by-Minute Sensor Log

  • 211 rows × 11 columns, 1 batch (T001), no missing values
  • Captures: Temperature, Pressure, Humidity, Motor Speed, Compression Force, Flow Rate, Power Consumption (kW), Vibration (mm/s)
  • Covers 8 sequential manufacturing phases over 211 minutes
Phase Energy Used Key Signal
Compression 38.69 kWh (50.4%) 🔴 Highest energy — #1 optimization target
Milling 9.00 kWh (11.7%) Highest vibration (9.79 mm/s) ⚠️ — bearing wear indicator
Drying 10.09 kWh (13.1%) Temperature + time sensitive
Others 18.96 kWh (24.7%) Lower priority

_h_batch_production_data.xlsx — Batch Summary Records

  • 60 rows × 15 columns (T001–T060), no missing values
  • 8 input features: Granulation Time, Binder Amount, Drying Temp, Drying Time, Compression Force, Machine Speed, Lubricant Concentration, Moisture Content
  • 6 output targets: Hardness, Friability, Dissolution Rate, Content Uniformity, Disintegration Time, Tablet Weight

Note: Feature-target correlations of 0.96–0.99 across most pairs — this dataset is highly structured and models reliably exceed R² = 0.93 on primary targets.


🧩 Modules

Module 1 — Multi-Target Prediction

Ensemble of XGBoost + Random Forest → Ridge stacking meta-learner. Predicts 7 targets simultaneously from 8 process parameters + phase features. Uses 5-fold cross-validation and Optuna hyperparameter search. MLP is trained but excluded from the stacking ensemble due to overfitting on the 60-sample dataset.

Module 2 — Energy Pattern Analyser

Two-layer anomaly detection:

  • Isolation Forest — fast batch-level screening (~5ms)
  • LSTM Autoencoder — deep sequential pattern analysis (~50ms)

Trained on physics-simulated sensor data for all 60 batches. Root cause attribution via domain-knowledge rule engine (bearing wear, motor overload, process drift).

Module 3 — SHAP Explainability

shap.TreeExplainer on XGBoost models provides exact Shapley values per feature per prediction. Beeswarm plots for global insights; waterfall plots for per-batch explanations.

Module 4 — Carbon Footprint Tracker

Converts predicted Energy_kWh to Carbon_kgCO2e using India CEA grid factor (0.716 kg/kWh). Adaptive target setting: dynamically adjusts goals based on best 10th-percentile operational performance vs regulatory floor. Supports India / EU / US / Renewable grid scenarios.


🚀 Quick Start

Full guide: See SETUP.md for step-by-step instructions.

1. Clone and Set Up Environment

git clone https://github.com/your-team/manufacturing-intelligence.git
cd manufacturing-intelligence

python -m venv venv
venv\Scripts\Activate.ps1      # Windows PowerShell
# source venv/bin/activate     # macOS / Linux

pip install -r requirements.txt

2. Add Data Files

data/raw/
├── _h_batch_process_data.xlsx
└── _h_batch_production_data.xlsx

3. Run the Full Training Pipeline

# Quick run (~2 min, no tuning):
python src/run_pipeline.py

# With Optuna XGBoost tuning (~7 min):
python src/run_pipeline.py --tune

4. Start the API

uvicorn api.main:app --host 0.0.0.0 --port 8000 --reload

API docs available at: http://localhost:8000/docs

5. Launch the Web Dashboard

cd dashboard
npm install       # first time only
npm run dev

Dashboard available at: http://localhost:3000

6. Run Tests

pytest tests/ -v

⚙️ Running the Pipeline

All-in-One

python src/run_pipeline.py

Step-by-Step (Manual)

# Step 1: Load & validate raw data
python -c "from src.preprocessing import load_data, validate_data; load_data()"

# Step 2: Sensor simulation for T002–T060
python src/simulate_sensors.py

# Step 3: Feature engineering
python src/feature_engineering.py

# Step 4: Train multi-target prediction models
python src/multi_target_model.py

# Step 5: Train anomaly detection models
python src/anomaly_detector.py

# Step 6: Compute SHAP values + generate plots
python src/shap_explainer.py

# Step 7: Build carbon footprint history
python src/carbon_calculator.py

Pipeline Output Files

File Description
models/xgb_multitarget.pkl XGBoost multi-output model
models/rf_multitarget.pkl Random Forest model
models/mlp_model.keras MLP neural network (Keras format)
models/stacking_meta.pkl Stacking ensemble bundle
models/isolation_forest.pkl Isolation Forest anomaly detector
models/lstm_autoencoder.keras LSTM Autoencoder (Keras format)
models/scaler.pkl StandardScaler for feature normalization
models/shap_values.pkl Pre-computed SHAP values
models/lstm_threshold.json LSTM anomaly reconstruction threshold
models/evaluation_results.json Per-target R², MAE, RMSE, MAPE
models/pipeline_summary.json Full run summary

🔌 API Reference

Base URL: http://localhost:8000
Interactive docs: http://localhost:8000/docs

Method Endpoint Description
GET /api/health Model load status
POST /api/predict Predict all quality targets + energy
POST /api/anomaly Detect energy anomalies for a batch
GET /api/explain/{batch_id} SHAP feature contributions
GET /api/carbon/{batch_id} CO₂e + adaptive target for a batch
GET /api/batches List all available batch IDs
GET /api/carbon_history Full carbon history (all batches)
GET /api/model_metrics Full benchmark: R², MAE, anomaly metrics

POST /api/predict

curl -X POST "http://localhost:8000/api/predict" \
  -H "Content-Type: application/json" \
  -d '{
    "granulation_time": 16,
    "binder_amount": 9.0,
    "drying_temp": 60,
    "drying_time": 29,
    "compression_force": 12.0,
    "machine_speed": 170,
    "lubricant_conc": 1.2,
    "moisture_content": 2.0
  }'

Response:

{
  "hardness": 89.4,
  "friability": 0.81,
  "dissolution_rate": 90.7,
  "content_uniformity": 98.2,
  "disintegration_time": 8.3,
  "tablet_weight": 202.1,
  "energy_kwh": 72.4,
  "carbon_kg_co2e": 51.8,
  "composite_quality_score": 82.3
}

POST /api/anomaly

curl -X POST "http://localhost:8000/api/anomaly" \
  -H "Content-Type: application/json" \
  -d '{ "batch_id": "T045" }'

GET /api/explain/{batch_id}

curl "http://localhost:8000/api/explain/T023?target=Dissolution_Rate"

GET /api/carbon/{batch_id}

curl "http://localhost:8000/api/carbon/T045?grid=India"

GET /api/model_metrics

curl "http://localhost:8000/api/model_metrics"

Returns full benchmark data (regression R²/MAE/RMSE/MAPE per model & target, anomaly metrics).


📱 Dashboard

The Next.js web dashboard (http://localhost:3000) has 6 tabs, all consuming the FastAPI backend:

Tab Description
🔮 Predictions Enter 8 process parameters → get all quality predictions + Composite Quality Score
Energy Monitor Select any batch → view phase-wise power/vibration chart + anomaly score + root cause alerts
📊 Batch Comparison Compare any two batches side-by-side via normalized radar charts + delta table
🌍 Carbon Footprint Trend chart of CO₂e across all batches + adaptive target line + grid selector (India/EU/US/Renewable)
🎛️ What-If Optimizer Move sliders for any parameter → predictions update live in < 100ms
📈 Benchmark Full model performance report — R², MAE, RMSE, MAPE per model & target; anomaly detector metrics

Start the Dashboard

cd dashboard
npm install    # first time only
npm run dev    # http://localhost:3000

📈 Results

Multi-Target Prediction (R² on held-out test set, 12 batches)

Target XGBoost R² RF R² Stacking R²
Hardness 0.9895 0.9826 0.9896
Friability 0.9810 0.9530 0.9722
Dissolution Rate 0.9902 0.9727 0.9832
Content Uniformity 0.9926 0.9765 0.9919
Disintegration Time 0.9869 0.9733 0.9876
Tablet Weight 0.9327 0.9000 0.9571
Energy kWh 0.8094 0.8479 0.7799
Overall Mean R² 0.9546 0.9437 0.9516

Production model: Stacking Ensemble (XGBoost + RandomForest + per-target Ridge meta-learner, 5-fold OOF). MLP excluded — severely overfits on n=60 dataset (overall R² = –10.15).

Anomaly Detection

Model Precision Recall F1 AUC-ROC
Isolation Forest 16.67% 16.67% 0.167 0.682
LSTM Autoencoder 10.00% 100% 0.182 0.324

Low precision is expected — severe class imbalance (6/60 anomalous). LSTM recall of 100% means zero missed anomalies. See BENCHMARK.md for full analysis.

Business Impact (500 batches/year)

Metric Saving
Energy reduction (8–10% per batch) ~4,350 kWh/year
Carbon reduction ~3,100 kg CO₂e/year
Batch rejection prevention (est. 30 fewer/year) ~₹15 lakh/year
Early anomaly detection Prevents catastrophic equipment failure

📚 Documentation

File Contents
SETUP.md Environment setup, data placement, running all services
PIPELINE.md Plain-English explanation of every pipeline step
BENCHMARK.md Full model performance benchmark with metric definitions
docs/ARCHITECTURE.md System architecture diagrams, layer breakdowns, API schemas
docs/IMPLEMENTATION_PLAN.md Dataset analysis, code skeletons, training strategy, timeline
docs/PROJECT_DOCUMENTATION.md Problem statement, tech stack rationale, business impact, references

🔮 Future Work

  • Federated Learning — train across multiple factories without sharing raw batch data
  • Digital Twin — couple predictive models with physics-based tablet press simulation
  • Reinforcement Learning — RL agent learns optimal parameter settings through reward signals
  • Edge Deployment — quantize LSTM Autoencoder to ONNX for IIoT edge node deployment
  • Real-Time IIoT Pipeline — Apache Kafka → stream processor → live inference → Grafana
  • Real-Time Carbon API — integrate Electricity Maps API for marginal (not average) emission factors

⚠️ Known Limitations

  • Sensor time-series data exists for T001 only; T002–T060 are physics-based simulations
  • MLP overfit severely on n=60 dataset (R² = –10.15) and is excluded from production ensemble
  • Energy_kWh is physics-derived (not directly measured); lower R² (0.78–0.85) is expected
  • Anomaly precision/recall appear low due to extreme class imbalance (10% anomaly rate)
  • Carbon calculation uses annual-average grid emission factor, not real-time marginal
  • n=60 batches is small; production system requires 500+ batches for robust generalization

Built by Team Knights for the National AI/ML Hackathon by AVEVA
PRISM — Predictive Reliability & Intelligence for Smart Manufacturing

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PRISM — AI-driven batch-level predictive modelling & energy pattern intelligence for pharmaceutical manufacturing. Built for the National AI/ML Hackathon by AVEVA.

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