SMART INVENTORS VII B Blind and Old Age people face the problem. People are afraid to climb the escalator.
Make a type of model which helps such people.
Awarpur, Chandrapur Maharashtra
Solution
| Component | Description |
|---|---|
| Technical Components | ### **Comprehensive Analysis: Tunnel Car for Differently Abled People** #### **1. Technical Components Needed** To meet the required behaviors and avoid prohibited ones, the following components are essential: **Core Components:** - **Arduino Board (or Raspberry Pi)** – For control logic and sensor interfacing. - **Vibration Sensor (Seismic Sensor)** – For earthquake detection. - **Power Source** – Lithium-ion battery with solar charging backup. - **Autonomous Car Mechanism** – Electric motor, wheels, and track guidance system. - **Seats & Safety Harnesses** – Ergonomically designed for differently abled users. - **Track & Tunnel Infrastructure** – Reinforced materials (steel/concrete) for durability. - **Emergency Power Backup** – Supercapacitors or secondary battery. **Additional Sensors:** - **Ultrasonic/IR Obstacle Detection** – Prevents collisions. - **Weight Sensors** – Ensures capacity limits (4-5 people). - **GPS & Wireless Communication Module (GSM/LoRaWAN)** – For real-time tracking and alerts. - **Air Quality & Temperature Sensors** – Ensures passenger comfort. - **Fuel/Power Level Monitor** – Alerts authorities if resources are low. **Safety & Redundancy Features:** - **Fail-Safe Braking System** – Prevents mid-tunnel stops. - **Emergency Lighting & Ventilation** – For power failures. - **Redundant Control Systems** – Backup microcontroller in case of failure. --- #### **2. Recommended Tech Stack** | **Category** | **Recommended Tech** | **Purpose** | |--------------------|----------------------|-------------| | **Microcontroller** | Arduino Mega / ESP32 | Sensor processing, motor control | | **Communication** | GSM (SIM800C) / LoRaWAN | Real-time alerts to authorities | | **Power Supply** | Li-ion Battery + Solar Panel | Sustainable energy | | **Motor Control** | L298N Motor Driver | Smooth movement | | **Sensors** | ADXL345 (Seismic), HC-SR04 (Ultrasonic) | Earthquake & obstacle detection | | **Tracking** | Neo-6M GPS Module | Location monitoring | | **Cloud/Server** | Firebase / AWS IoT Core | Data logging & alerts | --- #### **3. Detailed Implementation Steps** **Phase 1: Prototyping & Testing** 1. **Assemble Core Electronics:** - Connect Arduino with vibration sensor, motor driver, and ultrasonic sensors. - Test earthquake detection (simulate vibrations, ensure alerts work). 2. **Build Car Chassis:** - Use lightweight aluminum frame with reinforced seating. - Install fail-safe brakes (electromagnetic locking if power fails). 3. **Develop Track Guidance System:** - Use RFID or magnetic strips for autonomous navigation. **Phase 2: Safety & Redundancy** 4. **Implement Backup Power:** - Secondary battery with auto-switching. 5. **Emergency Communication:** - Integrate GSM module to send SMS alerts to authorities. 6. **Load Testing:** - Verify weight sensors (ensure car stops if overloaded). **Phase 3: Deployment** 7. **Install in Tunnel:** - Reinforce tunnel walls with sensors for structural health monitoring. - Deploy multiple cars to reduce traffic congestion. 8. **Final Testing:** - Simulate power failure, earthquake, and obstacle scenarios. --- #### **4. Required Technical Learning** - **Electronics:** Arduino programming, sensor interfacing, motor control. - **Mechanical Engineering:** Chassis design, weight distribution. - **IoT & Cloud:** Firebase/AWS for remote monitoring. - **Civil Engineering (Optional):** Tunnel reinforcement techniques. --- #### **5. Budget Calculation** | **Category** | **Item** | **Cost (USD)** | **Quantity** | **Total** | |-----------------------|-----------------------------|---------------|-------------|-----------| | **Hardware** | Arduino Mega | $25 | 1 | $25 | | | Vibration Sensor (ADXL345) | $15 | 1 | $15 | | | GSM Module (SIM800C) | $30 | 1 | $30 | | | Li-ion Battery | $50 | 1 | $50 | | | Motor + Wheels | $80 | 1 | $80 | | | Ultrasonic Sensors | $5 | 4 | $20 | | **Infrastructure** | Track Material (per meter) | $100 | 50m | $5000 | | **Software** | Firebase Subscription | $25/month | 12 | $300 | | **Maintenance** | Annual Sensor Replacements | $200 | 1 | $200 | | **Total Estimated Budget** | | | | **$5,720** | *(Note: Tunnel construction costs are excluded; this is for prototype + small-scale deployment.)* --- ### **Final Recommendations** - **Prioritize Redundancy:** Backup power, dual microcontrollers. - **Use LoRaWAN for Long-Range Alerts** (if GSM is unreliable). - **Partner with Civil Engineers** for tunnel reinforcement. This solution ensures safety, accessibility, and earthquake resilience while minimizing mid-journey failures. 🚀 |
| Key Features | No key features specified |
| Implementation Steps | we will need a arduino board , vibration senser , power source , seates , track , tunnel, automatic car , and some other sensers . |