# WIA-OCEAN-002: Underwater Drone Standard
## PHASE 1: Foundation Specifications

### Document Control
- **Version**: 1.0.0
- **Status**: Active
- **Last Updated**: 2025-01-15
- **Classification**: Public Standard

### Philosophy
**弘益人間 (홍익인간)** - Benefit All Humanity

---

## 1. Introduction

### 1.1 Purpose
This specification establishes the foundational requirements for deep sea exploration technologies, enabling safe and effective ocean research at depths exceeding 1,000 meters.

### 1.2 Scope
- Submersible vehicle design and construction
- Deep sea sensor systems
- Underwater communication protocols
- Safety and emergency systems
- Data collection and storage

### 1.3 Target Applications
- Scientific oceanographic research
- Marine resource exploration
- Underwater infrastructure inspection
- Archaeological documentation

---

## 2. System Architecture

### 2.1 Core Components

#### 2.1.1 Pressure Hull
```
Material: Titanium Alloy Ti-6Al-4V
- Yield Strength: ≥ 880 MPa
- Density: 4.43 g/cm³
- Corrosion Resistance: Excellent in seawater
- Operating Depth: 0-11,000m
- Safety Factor: 1.5x maximum depth pressure
```

#### 2.1.2 Propulsion System
```
Type: Electric Thrusters
- Power: 4x 15 kW motors
- Configuration: Vectored thrust
- Max Speed: 3 knots (5.6 km/h)
- Maneuverability: 6 degrees of freedom
- Redundancy: Dual independent systems
```

#### 2.1.3 Power System
```
Primary: Lithium-Ion Battery Pack
- Capacity: 100 kWh
- Voltage: 400V DC
- Operating Time: 72 hours nominal
- Charging Time: 8 hours (fast charge)
- Temperature Range: 0-45°C (internal)
```

### 2.2 Sensor Suite

#### 2.2.1 Environmental Sensors
```yaml
CTD (Conductivity-Temperature-Depth):
  Temperature: -2°C to 40°C (±0.002°C)
  Conductivity: 0-70 mS/cm (±0.0003 mS/cm)
  Depth: 0-11,000m (±0.1% FS)
  Sampling Rate: 16 Hz

pH Sensor:
  Range: 0-14 pH
  Accuracy: ±0.01 pH
  Resolution: 0.002 pH
  Response Time: <1 second

Dissolved Oxygen:
  Range: 0-20 mg/L
  Accuracy: ±0.1 mg/L
  Resolution: 0.01 mg/L

Turbidity:
  Range: 0-4000 NTU
  Accuracy: ±2% or 0.3 NTU
```

#### 2.2.2 Navigation Sensors
```yaml
Inertial Navigation System (INS):
  Position Accuracy: 0.1% of distance traveled
  Heading Accuracy: 0.01°
  Update Rate: 100 Hz

Doppler Velocity Log (DVL):
  Velocity Range: ±10 m/s
  Accuracy: ±0.2% ± 0.2 cm/s
  Max Altitude: 500m
  Frequency: 300 kHz

Ultra-Short Baseline (USBL):
  Range: 5,000m
  Accuracy: <0.25% slant range
  Update Rate: 1 Hz
```

---

## 3. Communication Systems

### 3.1 Acoustic Communication
```
Frequency Range: 10-30 kHz
Data Rate: 2.4 kbps (low frequency)
           9.6 kbps (high frequency)
Range: 5,000m horizontal
Protocol: Custom WIA-OCEAN-COMM-01
Error Correction: Reed-Solomon FEC
Modulation: OFDM (Orthogonal Frequency Division Multiplexing)
```

### 3.2 Data Protocol
```typescript
interface CommunicationPacket {
  header: {
    version: string;
    timestamp: number;
    vehicleId: string;
    packetType: 'telemetry' | 'command' | 'data';
  };
  payload: {
    depth: number;
    position: [number, number];
    status: VehicleStatus;
    sensorData?: SensorReadings;
  };
  checksum: string;
}
```

---

## 4. Imaging Systems

### 4.1 Main Camera System
```
Resolution: 4K UHD (3840 x 2160)
Frame Rate: 30 fps
Color Depth: 10-bit
Lens: Wide angle (120° FOV)
Housing: Titanium, pressure rated to 11,000m
Output: H.265/HEVC encoding
Storage: Internal 10TB SSD
```

### 4.2 Lighting System
```
Type: LED Array
Power: 4x 50W LED units
Color Temperature: 5600K (daylight)
Beam Pattern: Adjustable (spot to flood)
Intensity: 20,000 lumens total
Control: Automatic intensity adjustment
```

### 4.3 Sonar System
```
Multi-beam Sonar:
  Frequency: 400 kHz
  Swath Width: 140°
  Range: 200m
  Resolution: 1cm @ 50m
  Update Rate: 20 Hz
```

---

## 5. Data Management

### 5.1 Storage Architecture
```
Primary Storage: 10TB NVMe SSD
- RAID Configuration: RAID 1 (mirrored)
- Write Speed: 3,500 MB/s
- Read Speed: 3,800 MB/s
- Temperature Rating: -40°C to 85°C
- Shock Rating: 1500G

Data Organization:
/mission/[DATE]/
  ├── video/
  ├── sensors/
  ├── navigation/
  └── metadata/
```

### 5.2 Data Format Standards
```json
{
  "mission": {
    "id": "MISSION-20250115-002",
    "vehicle": "DSV-002",
    "timestamp": "2025-01-15T10:30:00Z",
    "duration": 28800,
    "maxDepth": 4500,
    "dataStreams": {
      "video": "h265",
      "sensors": "wia-ocean-data-v1",
      "navigation": "nmea-0183"
    }
  }
}
```

---

## 6. Safety Requirements

### 6.1 Emergency Systems
```
Ballast Drop System:
  Type: Electromagnetic release
  Weight: 200 kg lead ballast
  Activation: Automatic or manual
  Backup: Galvanic corrosion release (72h)

Emergency Ascent:
  Ascent Rate: 30 m/min (controlled)
  Emergency Rate: 60 m/min (maximum)
  Surface Indication: Strobe, radio beacon, flag
```

### 6.2 Life Support (Manned Vehicles)
```
Oxygen Supply: 96 hours for 3 persons
CO2 Scrubber: Lithium hydroxide or regenerable
Pressure: 1 atmosphere (14.7 psi)
Temperature: 18-24°C maintained
Humidity: 40-60% RH
```

### 6.3 Structural Safety
```
Testing Requirements:
  - Hydrostatic pressure test to 1.5x max depth
  - Cyclic loading test (10,000 cycles)
  - Non-destructive testing (ultrasonic, X-ray)
  - Annual recertification required

Inspection Intervals:
  - Pre-dive: Visual inspection
  - Monthly: Detailed inspection
  - Annual: Complete overhaul and testing
```

---

## 7. Operational Requirements

### 7.1 Pre-Dive Checklist
- [ ] Hull integrity inspection
- [ ] Thruster functionality test
- [ ] Communication system check
- [ ] Sensor calibration verification
- [ ] Battery charge level > 95%
- [ ] Emergency systems test
- [ ] Navigation system alignment
- [ ] Camera and lighting test

### 7.2 Mission Planning
```
Required Documentation:
  - Mission plan with route and objectives
  - Weather and sea state forecast
  - Emergency response procedures
  - Contact information and schedules
  - Dive authorization approval
```

### 7.3 Operator Qualifications
```
Pilot Requirements:
  - Minimum 200 hours submersible experience
  - WIA-OCEAN-002 certification
  - Current first aid and CPR certification
  - Emergency procedures training

Technical Crew:
  - Electronics and systems training
  - Hydraulics and mechanical systems
  - Emergency response procedures
```

---

## 8. Environmental Compliance

### 8.1 Zero Discharge Policy
- No waste discharge at any depth
- All materials retained onboard
- Biodegradable hydraulic fluids required
- Minimal ecosystem disturbance protocols

### 8.2 Sample Collection Ethics
```
Guidelines:
  - Minimum necessary sampling
  - Document all samples collected
  - Repository for scientific specimens
  - Permit requirements compliance
  - Protected species avoidance
```

---

## 9. Quality Assurance

### 9.1 Manufacturing Standards
```
ISO Certifications Required:
  - ISO 9002: Quality Management
  - ISO 14002: Environmental Management
  - ISO 23274-1: Underwater Vehicles

Material Certifications:
  - ASTM B265: Titanium alloy specifications
  - MIL-STD-810G: Environmental testing
```

### 9.2 Testing & Validation
```
Acceptance Testing:
  1. Factory Acceptance Test (FAT)
  2. Sea Acceptance Test (SAT)
  3. Shallow water trials (0-100m)
  4. Intermediate depth trials (100-1000m)
  5. Full depth certification dive
```

---

## 10. Compliance Matrix

| Requirement | Standard | Status |
|-------------|----------|--------|
| Pressure Hull | ASTM B265 | ✓ |
| Communication | IEEE 802.11u | ✓ |
| Video Format | ITU-R BT.2020 | ✓ |
| Sensors | ISO 10523 | ✓ |
| Navigation | IEC 61162 | ✓ |
| Battery Safety | UN 38.3 | ✓ |
| Data Storage | MIL-STD-810G | ✓ |
| Quality Mgmt | ISO 9002 | ✓ |

---

## Appendix A: Terminology

**CTD**: Conductivity-Temperature-Depth sensor
**DVL**: Doppler Velocity Log
**INS**: Inertial Navigation System
**ROV**: Remotely Operated Vehicle
**USBL**: Ultra-Short Baseline positioning system
**FEC**: Forward Error Correction
**OFDM**: Orthogonal Frequency Division Multiplexing

---

**Document End**

© 2025 WIA (World Certification Industry Association)
弘益人間 (홍익인간) · Benefit All Humanity