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README.md
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README.md

VDA 5050 Integration Guide / Hướng dẫn Tích hợp VDA 5050

📋 Overview / Tổng quan

VDA 5050 là tiêu chuẩn quốc tế cho giao tiếp giữa Fleet Management System và AGV/AMR. Tài liệu này mô tả cách RobotNet10 triển khai tiêu chuẩn này.

🎯 Why VDA 5050? / Tại sao VDA 5050?

Lợi ích / Benefits

  1. Interoperability - Khả năng tương tác

    • Robot của RobotNet10 có thể hoạt động với Fleet Manager của hãng khác
    • FleetManager của RobotNet10 có thể quản lý robot của hãng khác

  2. Standardization - Chuẩn hóa

    • Định nghĩa rõ ràng message formats
    • Behavior được mô tả chi tiết
    • Giảm thiểu hiểu lầm trong implementation

  3. Industry Adoption - Được công nghiệp chấp nhận

    • Nhiều nhà sản xuất robot hỗ trợ
    • Nhiều Fleet Management System hỗ trợ
    • Community support và tài liệu phong phú

🆕 What's New in VDA 5050 2.1.0 / Tính năng Mới trong 2.1.0

Key Features / Tính năng Chính

  1. Corridors (Hành lang di chuyển)

    • Cho phép robot di chuyển trong các hành lang xác định
    • Tăng tính linh hoạt trong navigation
    • Tránh chướng ngại vật một cách tự động
    • Đặc biệt hữu ích cho các robot có mức độ tự động hóa cao

  2. Map Distribution & Management (Phân phối và Quản lý Bản đồ)

    • Chuẩn hóa quy trình cập nhật và quản lý bản đồ
    • Tải, kích hoạt và quản lý bản đồ điều hướng trên robot
    • Hỗ trợ map versioning và updates

  3. Improved Documentation (Tài liệu Cải thiện)

    • Hình minh họa được cập nhật, dễ hiểu hơn
    • Loại bỏ các điểm không rõ ràng
    • Phát hành hoàn toàn bằng tiếng Anh (Single Point of Truth)

  4. Backward Compatibility (Tương thích Ngược)

    • Tương thích với version 2.0.0
    • Các hệ thống hiện có có thể nâng cấp mà không gặp vấn đề

Implementation Notes / Ghi chú Triển khai

For RobotNet10:

  • RobotNet10 sẽ implement VDA 5050 2.1.0 với đầy đủ tính năng mới
  • Corridors sẽ được tích hợp vào TrafficControl module để tăng tính linh hoạt navigation
  • Map Distribution & Management sẽ được tích hợp với MapEditor module
  • Tương thích ngược đảm bảo có thể làm việc với robot/hệ thống v2.0.0

Note: Chi tiết implementation của Corridors và Map Distribution sẽ được cập nhật trong các module documentation khi triển khai.

📚 VDA 5050 Standard Overview / Tổng quan Tiêu chuẩn

Version Information

  • Current Implementation: VDA 5050 Version 2.1.0
  • Release Date: January 2025
  • Standard Body: VDA (Verband der Automobilindustrie)
  • Backward Compatibility: Compatible with version 2.0.0
  • Language: English (first fully English release)

Key Concepts

AGV (Automated Guided Vehicle) / AMR (Autonomous Mobile Robot)

  • Robot di động tự động
  • Nhận lệnh từ Master Control (Fleet Manager)
  • Báo cáo trạng thái về Master Control

Master Control (Fleet Manager)

  • Hệ thống điều phối robot
  • Gửi orders đến robot
  • Nhận state từ robot

Order

  • Nhiệm vụ được gửi đến robot
  • Bao gồm nodes (điểm đến) và edges (đường đi)
  • Có thể chứa actions (hành động tại các node)

State

  • Trạng thái hiện tại của robot
  • Được gửi định kỳ và khi có thay đổi
  • Bao gồm vị trí, battery, errors, etc.

🔄 Message Types / Các Loại Message

1. Order (Master Control → AGV)

Purpose: Gửi nhiệm vụ đến robot

Direction: FleetManager → RobotApp

Topic: uagv/v2/{manufacturer}/{serialNumber}/order

Structure:

{
  "headerId": 0,
  "timestamp": "2025-11-12T10:30:00Z",
  "version": "2.1.0",
  "manufacturer": "RobotNet10",
  "serialNumber": "ROBOT001",
  "orderId": "ORDER-12345",
  "orderUpdateId": 0,
  "nodes": [
    {
      "nodeId": "node1",
      "sequenceId": 0,
      "released": true,
      "nodeDescription": "Pick location",
      "nodePosition": {
        "x": 10.5,
        "y": 20.3,
        "theta": 0.0,
        "allowedDeviationXY": 0.5,
        "allowedDeviationTheta": 0.1,
        "mapId": "factory_floor_1",
        "mapDescription": "Factory Floor 1"
      },
      "actions": [
        {
          "actionType": "pick",
          "actionId": "action1",
          "actionDescription": "Pick pallet",
          "blockingType": "HARD",
          "actionParameters": [
            {
              "key": "stationType",
              "value": "floor"
            }
          ]
        }
      ]
    },
    {
      "nodeId": "node2",
      "sequenceId": 2,
      "released": true,
      "nodePosition": {
        "x": 50.0,
        "y": 30.0,
        "theta": 1.57,
        "mapId": "factory_floor_1"
      },
      "actions": [
        {
          "actionType": "drop",
          "actionId": "action2",
          "blockingType": "HARD"
        }
      ]
    }
  ],
  "edges": [
    {
      "edgeId": "edge1",
      "sequenceId": 1,
      "released": true,
      "startNodeId": "node1",
      "endNodeId": "node2",
      "maxSpeed": 1.5,
      "maxHeight": 2.0,
      "minHeight": 0.0,
      "orientation": 0.0,
      "direction": "forward",
      "rotationAllowed": true,
      "maxRotationSpeed": 0.5,
      "trajectory": {
        "degree": 1,
        "knotVector": [0, 1],
        "controlPoints": [
          {"x": 10.5, "y": 20.3, "weight": 1.0},
          {"x": 50.0, "y": 30.0, "weight": 1.0}
        ]
      },
      "actions": []
    }
  ]
}

Key Fields:

  • orderId: Unique order identifier
  • orderUpdateId: Increments when order is updated
  • nodes: Array of waypoints
  • edges: Array of paths between nodes
  • sequenceId: Determines execution order (even for nodes, odd for edges)

2. InstantActions (Master Control → AGV)

Purpose: Gửi lệnh ngay lập tức (stop, pause, etc.)

Direction: FleetManager → RobotApp

Topic: uagv/v2/{manufacturer}/{serialNumber}/instantActions

Structure:

{
  "headerId": 1,
  "timestamp": "2025-11-12T10:31:00Z",
  "version": "2.1.0",
  "manufacturer": "RobotNet10",
  "serialNumber": "ROBOT001",
  "instantActions": [
    {
      "actionType": "stopPause",
      "actionId": "instant1",
      "actionDescription": "Emergency pause",
      "blockingType": "HARD"
    }
  ]
}

Common InstantAction Types:

  • stopPause: Pause robot immediately
  • cancelOrder: Cancel current order
  • initPosition: Set initial position
  • stateRequest: Request state update

3. State (AGV → Master Control)

Purpose: Báo cáo trạng thái robot

Direction: RobotApp → FleetManager

Topic: uagv/v2/{manufacturer}/{serialNumber}/state

Structure:

{
  "headerId": 100,
  "timestamp": "2025-11-12T10:30:05Z",
  "version": "2.1.0",
  "manufacturer": "RobotNet10",
  "serialNumber": "ROBOT001",
  "orderId": "ORDER-12345",
  "orderUpdateId": 0,
  "zoneSetId": "zone1",
  "lastNodeId": "node1",
  "lastNodeSequenceId": 0,
  "driving": true,
  "paused": false,
  "newBaseRequest": false,
  "distanceSinceLastNode": 2.5,
  "operatingMode": "AUTOMATIC",
  "nodeStates": [
    {
      "nodeId": "node1",
      "sequenceId": 0,
      "released": true,
      "nodePosition": {
        "x": 10.5,
        "y": 20.3,
        "theta": 0.0,
        "mapId": "factory_floor_1"
      }
    }
  ],
  "edgeStates": [
    {
      "edgeId": "edge1",
      "sequenceId": 1,
      "released": true,
      "trajectory": {}
    }
  ],
  "actionStates": [
    {
      "actionId": "action1",
      "actionType": "pick",
      "actionStatus": "FINISHED",
      "resultDescription": "Successfully picked pallet"
    }
  ],
  "agvPosition": {
    "x": 15.2,
    "y": 22.1,
    "theta": 0.15,
    "mapId": "factory_floor_1",
    "positionInitialized": true,
    "localizationScore": 0.95,
    "deviationRange": 0.1
  },
  "velocity": {
    "vx": 1.0,
    "vy": 0.0,
    "omega": 0.05
  },
  "loads": [
    {
      "loadId": "pallet123",
      "loadType": "EPAL",
      "loadPosition": "front",
      "boundingBoxReference": {
        "x": 0.0,
        "y": 0.0,
        "z": 0.0,
        "theta": 0.0
      },
      "loadDimensions": {
        "length": 1.2,
        "width": 0.8,
        "height": 1.5
      },
      "weight": 500.0
    }
  ],
  "batteryState": {
    "batteryCharge": 75.5,
    "batteryVoltage": 48.2,
    "batteryHealth": 95.0,
    "charging": false,
    "reach": 5400
  },
  "errors": [
    {
      "errorType": "warning",
      "errorLevel": "WARNING",
      "errorDescription": "Battery below 80%",
      "errorReferences": [
        {
          "referenceKey": "batteryLevel",
          "referenceValue": "75.5"
        }
      ]
    }
  ],
  "information": [
    {
      "infoType": "info",
      "infoLevel": "INFO",
      "infoDescription": "Mission in progress",
      "infoReferences": []
    }
  ],
  "safetyState": {
    "eStop": "NONE",
    "fieldViolation": false
  }
}

Key State Information:

  • Position: Current robot position and velocity
  • Order Progress: Which node/edge is active
  • Battery: Charge level and charging status
  • Actions: Status of actions (WAITING, RUNNING, FINISHED, FAILED)
  • Errors: Any errors or warnings
  • Safety: E-stop and safety field status

4. Visualization (AGV → Master Control)

Purpose: Gửi dữ liệu để hiển thị trên bản đồ

Direction: RobotApp → FleetManager

Topic: uagv/v2/{manufacturer}/{serialNumber}/visualization

Structure:

{
  "headerId": 200,
  "timestamp": "2025-11-12T10:30:05Z",
  "version": "2.1.0",
  "manufacturer": "RobotNet10",
  "serialNumber": "ROBOT001",
  "agvPosition": {
    "x": 15.2,
    "y": 22.1,
    "theta": 0.15,
    "mapId": "factory_floor_1",
    "positionInitialized": true
  },
  "velocity": {
    "vx": 1.0,
    "vy": 0.0,
    "omega": 0.05
  }
}

5. Connection (Bidirectional)

Purpose: Heartbeat và connection status

Direction: Bidirectional

Topics:

  • uagv/v2/{manufacturer}/{serialNumber}/connection

Structure:

{
  "headerId": 300,
  "timestamp": "2025-11-12T10:30:00Z",
  "version": "2.1.0",
  "manufacturer": "RobotNet10",
  "serialNumber": "ROBOT001",
  "connectionState": "ONLINE"
}

Connection States:

  • ONLINE: Connected and operational
  • OFFLINE: Disconnected
  • CONNECTIONBROKEN: Connection lost unexpectedly

🔌 MQTT Configuration / Cấu hình MQTT

QoS Levels

Message Type QoS Reason
Order 1 At least once delivery
InstantActions 1 At least once delivery
State 0 High frequency, latest value matters
Visualization 0 High frequency, latest value matters
Connection 1 Reliable delivery needed

Retain Flag

Message Type Retain Reason
Order false Order-specific
InstantActions false Time-sensitive
State true Latest state available for new subscribers
Visualization false Real-time only
Connection true Connection status for new subscribers

Topic Wildcards

FleetManager subscribes to all robots:

uagv/v2/RobotNet10/+/state
uagv/v2/RobotNet10/+/visualization
uagv/v2/RobotNet10/+/connection

RobotApp subscribes to its own topics:

uagv/v2/RobotNet10/ROBOT001/order
uagv/v2/RobotNet10/ROBOT001/instantActions

🏗️ Architecture & Design / Kiến trúc & Thiết kế

Message Flow Architecture

graph TB
    subgraph "FleetManager"
        OrderGen[Order Generator<br/>Create VDA 5050 Orders]
        StateProc[State Processor<br/>Process Robot States]
        ActionGen[Action Generator<br/>Generate Instant Actions]
    end
    
    subgraph "MQTT Broker"
        OrderTopic[Order Topics<br/>uagv/v2/{mfr}/{serial}/order]
        StateTopic[State Topics<br/>uagv/v2/{mfr}/{serial}/state]
        InstantTopic[Instant Action Topics<br/>uagv/v2/{mfr}/{serial}/instantActions]
    end
    
    subgraph "RobotApp"
        OrderHandler[Order Handler<br/>Process Orders]
        StatePub[State Publisher<br/>Publish States]
        InstantHandler[Instant Action Handler<br/>Process Immediate Commands]
    end
    
    OrderGen --> OrderTopic
    OrderTopic --> OrderHandler
    
    StatePub --> StateTopic
    StateTopic --> StateProc
    
    ActionGen --> InstantTopic
    InstantTopic --> InstantHandler
    
    style OrderGen fill:#e6f3ff
    style StateProc fill:#fff0e6
    style OrderHandler fill:#e6ffe6
    style StatePub fill:#e6ffe6

Message Processing Flow

Order Processing:

sequenceDiagram
    participant FM as FleetManager
    participant MQTT as MQTT Broker
    participant RA as RobotApp
    participant Validator as Message Validator
    participant Executor as Order Executor
    
    FM->>MQTT: Publish Order (QoS 1)
    MQTT->>RA: Forward Order
    RA->>Validator: Validate Order Structure
    Validator->>Validator: Check Sequence IDs<br/>Check Node/Edge Relations<br/>Check Released Flags
    
    alt Valid Order
        Validator->>Executor: Execute Order
        Executor->>RA: Update State
        RA->>MQTT: Publish State (QoS 0)
        MQTT->>FM: Forward State
    else Invalid Order
        Validator->>RA: Reject Order
        RA->>MQTT: Publish Error State
        MQTT->>FM: Forward Error
    end

State Publishing:

flowchart TD
    Start[State Update Trigger] --> Collect[Collect State Data<br/>Position, Battery, Order Progress]
    Collect --> Validate{Validate State<br/>Required Fields Present?}
    
    Validate -->|Valid| Build[Build VDA 5050 State Message]
    Validate -->|Invalid| LogError[Log Error<br/>Skip Update]
    
    Build --> Serialize[Serialize to JSON<br/>camelCase naming]
    Serialize --> Publish[Publish to MQTT<br/>QoS 0, Retain: true]
    Publish --> FleetMgr[FleetManager Receives]
    
    FleetMgr --> UpdateDB[Update Database]
    FleetMgr --> UpdateUI[Update Dashboard]
    
    style Start fill:#e6ffe6
    style Publish fill:#e6f3ff
    style FleetMgr fill:#fff0e6

Message Validation Architecture

graph TB
    subgraph "Validation Layers"
        SchemaVal[JSON Schema Validation<br/>Structure & Types]
        BusinessVal[Business Logic Validation<br/>Sequence IDs, Relations]
        StateVal[State Validation<br/>Consistency Checks]
    end
    
    IncomingMsg[Incoming Message] --> SchemaVal
    SchemaVal -->|Valid| BusinessVal
    SchemaVal -->|Invalid| Reject[Reject Message<br/>Log Error]
    
    BusinessVal -->|Valid| StateVal
    BusinessVal -->|Invalid| Reject
    
    StateVal -->|Valid| Accept[Accept Message<br/>Process]
    StateVal -->|Invalid| Reject
    
    style SchemaVal fill:#e6f3ff
    style BusinessVal fill:#fff0e6
    style StateVal fill:#e6ffe6
    style Accept fill:#e6ffe6
    style Reject fill:#ffe6e6

✅ Validation & Testing / Kiểm tra & Test

Message Validation Strategy

Validation Layers:

graph LR
    subgraph "Validation Pipeline"
        Schema[JSON Schema<br/>Structure & Types]
        Business[Business Logic<br/>Sequence IDs, Relations]
        State[State Consistency<br/>Order Progress]
    end
    
    Message[Incoming Message] --> Schema
    Schema --> Business
    Business --> State
    State --> Process[Process Message]
    
    Schema -->|Invalid| Error[Error Handling]
    Business -->|Invalid| Error
    State -->|Invalid| Error
    
    style Schema fill:#e6f3ff
    style Business fill:#fff0e6
    style State fill:#e6ffe6
    style Process fill:#e6ffe6
    style Error fill:#ffe6e6

Validation Checks:

  1. JSON Schema Validation:

    • Use official VDA 5050 JSON schemas
    • Validate structure and data types
    • Check required fields

  2. Business Logic Validation:

    • Sequence IDs: Nodes (even), Edges (odd), sequential
    • Node/Edge relationships: Edges connect nodes properly
    • Released flags: Valid release sequence
    • Order updates: orderUpdateId increments correctly

  3. State Consistency Validation:

    • Order progress matches current order
    • Position matches mapId
    • Action states match order actions

Testing Strategy

Testing Approach:

graph TB
    subgraph "Test Levels"
        Unit[Unit Tests<br/>Message Parsing<br/>Validation Logic]
        Integration[Integration Tests<br/>MQTT Communication<br/>End-to-end Flow]
        Interop[Interoperability Tests<br/>Third-party Systems<br/>VDA 5050 Compliance]
    end
    
    subgraph "Test Scenarios"
        Valid[Valid Messages<br/>Normal Operation]
        Invalid[Invalid Messages<br/>Error Handling]
        EdgeCases[Edge Cases<br/>Order Updates<br/>Disconnections]
    end
    
    Unit --> Valid
    Unit --> Invalid
    Integration --> Valid
    Integration --> EdgeCases
    Interop --> Valid
    
    style Unit fill:#e6f3ff
    style Integration fill:#fff0e6
    style Interop fill:#e6ffe6

Key Test Scenarios:

  1. Order Handling:

    • Valid order acceptance
    • Invalid order rejection
    • Order update handling (same orderId, higher orderUpdateId)
    • Order replacement (new orderId)
    • Sequence ID ordering
    • Released vs unreleased nodes/edges

  2. State Reporting:

    • Publishing frequency (1-10 Hz)
    • Required fields present
    • Position accuracy
    • Battery state correctness
    • Action state updates
    • Error reporting

  3. Instant Actions:

    • stopPause immediate response (< 50ms)
    • cancelOrder order cancellation
    • Resume after pause

  4. Connection Management:

    • MQTT disconnection handling
    • Auto-reconnection
    • Missed message handling
    • Connection state reporting

  5. Interoperability:

    • Third-party Fleet Manager compatibility
    • Third-party robot compatibility
    • VDA 5050 conformance validation

📊 Monitoring & Debugging / Giám sát & Debug

Monitoring Architecture

graph TB
    subgraph "Monitoring Tools"
        MQTTTools[MQTT Monitoring Tools<br/>MQTT Explorer<br/>mosquitto_sub]
        Logging[Structured Logging<br/>Message Events<br/>Error Tracking]
        Metrics[Metrics Collection<br/>Message Rates<br/>Latency Tracking]
    end
    
    subgraph "Monitoring Points"
        OrderFlow[Order Flow<br/>Publish/Receive<br/>Processing Time]
        StateFlow[State Flow<br/>Publish Frequency<br/>Update Latency]
        ErrorTracking[Error Tracking<br/>Validation Failures<br/>Connection Issues]
    end
    
    MQTTTools --> OrderFlow
    MQTTTools --> StateFlow
    Logging --> ErrorTracking
    Metrics --> OrderFlow
    Metrics --> StateFlow
    
    style MQTTTools fill:#e6f3ff
    style Logging fill:#fff0e6
    style Metrics fill:#e6ffe6

Monitoring Strategy

MQTT Monitoring:

  • Use MQTT Explorer GUI tool để view topics
  • Monitor message flow với mosquitto_sub
  • Track message rates và latency

Logging Approach:

  • Structured logging với parameters
  • Log message events (receive, publish)
  • Track validation failures
  • Monitor connection status

Key Metrics:

  • Message processing time
  • State update frequency
  • Error rates
  • Connection stability

🔄 Common Scenarios / Các Tình huống Thường gặp

Scenario 1: Simple Transport Mission

FleetManager sends:

{
  "orderId": "TRANSPORT-001",
  "orderUpdateId": 0,
  "nodes": [
    {"nodeId": "A", "sequenceId": 0, "released": true, "nodePosition": {...}},
    {"nodeId": "B", "sequenceId": 2, "released": true, "nodePosition": {...}}
  ],
  "edges": [
    {"edgeId": "A-B", "sequenceId": 1, "released": true,
     "startNodeId": "A", "endNodeId": "B"}
  ]
}

RobotApp executes:

  1. Receives order
  2. Moves to node A (sequenceId 0)
  3. Reaches node A, updates state (lastNodeId = "A", lastNodeSequenceId = 0)
  4. Follows edge A-B (sequenceId 1)
  5. Reaches node B (sequenceId 2)
  6. Updates state (lastNodeId = "B", lastNodeSequenceId = 2, driving = false)

Scenario 2: Pick and Place with Actions

FleetManager sends:

{
  "orderId": "PICK-PLACE-001",
  "orderUpdateId": 0,
  "nodes": [
    {
      "nodeId": "PICK",
      "sequenceId": 0,
      "released": true,
      "actions": [
        {"actionId": "pick1", "actionType": "pick", "blockingType": "HARD"}
      ]
    },
    {
      "nodeId": "DROP",
      "sequenceId": 2,
      "released": true,
      "actions": [
        {"actionId": "drop1", "actionType": "drop", "blockingType": "HARD"}
      ]
    }
  ],
  "edges": [...]
}

RobotApp executes:

  1. Moves to PICK node
  2. Executes pick action (actionStates: RUNNING → FINISHED)
  3. Moves to DROP node
  4. Executes drop action
  5. Reports completion

Scenario 3: Order Update (Add Waypoint)

Initial order:

{"orderId": "ORD-001", "orderUpdateId": 0, "nodes": ["A", "B"]}

Updated order (add node C):

{"orderId": "ORD-001", "orderUpdateId": 1, "nodes": ["A", "B", "C"]}

RobotApp behavior:

  • Recognize same orderId with higher orderUpdateId
  • Continue current node/edge
  • Append new nodes to plan
  • Update state with new orderUpdateId

Scenario 4: Emergency Stop

FleetManager sends InstantAction:

{
  "instantActions": [
    {"actionId": "stop1", "actionType": "stopPause", "blockingType": "HARD"}
  ]
}

RobotApp behavior:

  1. Immediately stop motion
  2. Set paused = true in state
  3. Continue publishing state
  4. Wait for resume command

📚 References / Tài liệu Tham khảo

Official VDA 5050 Resources

  • Specification: VDA 5050 v2.1.0 (English - first fully English release)
  • JSON Schemas: Official schemas for validation
  • GitHub: https://github.com/VDA5050/VDA5050
  • Release Notes: Check GitHub releases for 2.1.0 changes

Recommended Reading

  1. VDA 5050 Specification Document (Main reference)
  2. VDA 5050 FAQ and Best Practices
  3. MQTT Protocol Specification v3.1.1 / v5.0
  4. JSON Schema Specification

Community & Support

  • VDA 5050 Working Group
  • Industrial automation forums
  • GitHub discussions

📖 Related Documents / Tài liệu Liên quan

VDA 5050 Version: 2.1.0 Implementation Status: Design Phase Last Updated: 2025-11-13 Release Date: January 2025

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