NAVIC-Based
Crash Detection System

Geo-Decimation Framework for Legacy Vehicles

Technical Implementation & Validation

Road Safety Crisis

150,000
Annual fatalities in India
4 minutes
Between each accident
85%
Occur on remote corridors

Existing Systems Have Limitations

  • GPS accuracy issues in Indian terrain
  • Expensive cellular subscriptions required
  • No retrofit option for older vehicles
  • Single-point emergency alerts only

NAVIC-Based
Emergency Response

Indigenous satellite technology

Multi-sensor crash detection

Retrofit-compatible design

Multi-responder alerts

Positioning Accuracy Comparison

Urban Areas
GPS: 12.4m
NAVIC: 3.2m
Forest Coverage
GPS: 8.9m
NAVIC: 4.1m

74% better accuracy in challenging terrain

Simple. Reliable. Scalable.

Hardware Sensors
→
ESP32 Processing
→
Mobile App
→
Emergency Services

Multi-sensor fusion

Real-time processing

Bluetooth connectivity

MQTT distribution

Comprehensive Sensing

ESP32 DevKit V1

Dual-core processing

MPU-6050 IMU

6-axis motion detection

SW-420 Vibration

Impact sensing

NAVIC Module

Precise positioning

Multi-Criteria Detection

Acceleration > 4G
+
Angular velocity > 150°/s
+
Vibration signature
=
Crash confirmed

95% accuracy target

Two Modes. One Platform.

Publisher Mode

For crash victims

  • BLE hardware connection
  • Medical profile storage
  • Automatic alert sending
  • NAVIC positioning

Subscriber Mode

For emergency responders

  • Real-time alert reception
  • Geographic visualization
  • Medical info display
  • Multi-responder coordination

Smart Alert Management

Multiple crashes
→
Intelligent clustering
→
Single coordinated alert

Prevents alert flooding

Maintains full coverage

Optimizes emergency response

75% reduction in redundant alerts

Safe Validation

  • RC car prototype
  • Metallic body simulation
  • Controlled impact testing
  • Real-world conditions

End-to-end system validation

Validation Success

Detection Accuracy

94% sensitivity achieved

System Response

<8 seconds end-to-end

Communication Reliability

99.2% message delivery

NAVIC Advantage

54% better positioning accuracy

Superior Approach

Our System Others
Cost One-time Subscription
Compatibility Legacy cars New cars only
Positioning NAVIC GPS
Alerts Multiple Single point
Management Smart Basic

Foundation for the Future

Indigenous technology adoption

Enhanced emergency response

Reduced accident fatalities

Cost-effective safety solutions

Ready for nationwide deployment

Building safer roads
with smarter technology

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