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[
  {
    "machine_id": 0,
    "machine_model": "UR3e",
    "manufacturer": "Universal Robots",
    "series": "E-series",
    "machine_type": "Collaborative robot (cobot)",
    "weight_kg": 11,
    "payload_kg": 3,
    "degrees_of_freedom": 6,
    "joint_rotation": {
      "wrist_joints": "360_degree_rotation",
      "end_joint": "infinite_rotation"
    },
    "typical_applications": [
      "light assembly tasks",
      "automated workbench scenarios"
    ],
    "control_interfaces": [
      "UR PolyScope (teach pendant)",
      "UrScript",
      "TCP/IP socket connection",
      "RTDE (Real-Time Data Exchange)"
    ],
    "joint_speed_limits": [
      3.14,
      3.14,
      3.14,
      6.28,
      6.28,
      6.28
    ],
    "rated_current_per_joint": [
      2.0,
      2.0,
      2.0,
      1.2,
      1.2,
      1.2
    ],
    "minimum_polyscope_version_for_screwdriver": "5.4",
    "used_in_paper_for": "Automated screwdriving anomaly detection dataset collection (AURSAD)",
    "safety_modes": {
      "variable": "safety_mode",
      "description": "Safety state of the Universal Robots controller as reported via RTDE.",
      "enum": [
        {
          "name": "NORMAL",
          "value": 1,
          "description": "Robot is operating normally within configured safety limits."
        },
        {
          "name": "REDUCED",
          "value": 2,
          "description": "Robot is operating in reduced mode with limited speed and/or force due to safety configuration or zone activation."
        },
        {
          "name": "PROTECTIVE_STOP",
          "value": 3,
          "description": "Protective stop triggered due to collision detection, excessive force, or safety threshold violation. Requires operator reset."
        },
        {
          "name": "RECOVERY",
          "value": 4,
          "description": "Robot is in recovery mode following a safety event and requires manual intervention."
        },
        {
          "name": "SAFEGUARD_STOP",
          "value": 5,
          "description": "External safeguard device (e.g., light curtain, safety door, interlock) has triggered a stop."
        },
        {
          "name": "SYSTEM_EMERGENCY_STOP",
          "value": 6,
          "description": "Emergency stop activated from the robot control box."
        },
        {
          "name": "ROBOT_EMERGENCY_STOP",
          "value": 7,
          "description": "Emergency stop activated from the teach pendant or robot-mounted E-stop button."
        },
        {
          "name": "VIOLATION",
          "value": 8,
          "description": "Configured safety limits (speed, position, joint limits, etc.) have been violated."
        },
        {
          "name": "FAULT",
          "value": 9,
          "description": "Internal safety system fault detected. System requires troubleshooting before operation can resume."
        },
        {
          "name": "AUTOMATIC_MODE_SAFEGUARD_STOP",
          "value": 12,
          "description": "Safeguard stop triggered while the robot is operating in automatic mode."
        },
        {
          "name": "SYSTEM_THREE_POSITION_ENABLING_STOP",
          "value": 13,
          "description": "Stop triggered due to incorrect activation of the system three-position enabling device."
        },
        {
          "name": "TP_THREE_POSITION_ENABLING_STOP",
          "value": 14,
          "description": "Stop triggered due to incorrect activation of the teach pendant three-position enabling device."
        },
        {
          "name": "IMMI_EMERGENCY_STOP",
          "value": 15,
          "description": "Emergency stop triggered through an IMMI (external machinery interface) safety connection."
        },
        {
          "name": "IMMI_SAFEGUARD_STOP",
          "value": 16,
          "description": "Safeguard stop triggered through an IMMI (external machinery interface) safety connection."
        },
        {
          "name": "PROFISAFE_WAITING_FOR_PARAMETERS",
          "value": 17,
          "description": "Robot is waiting for safety parameters via PROFIsafe communication before operation can proceed."
        },
        {
          "name": "PROFISAFE_AUTOMATIC_MODE_SAFEGUARD_STOP",
          "value": 18,
          "description": "Safeguard stop triggered via PROFIsafe while in automatic mode."
        },
        {
          "name": "PROFISAFE_SAFEGUARD_STOP",
          "value": 19,
          "description": "Safeguard stop triggered through PROFIsafe safety communication."
        },
        {
          "name": "PROFISAFE_EMERGENCY_STOP",
          "value": 20,
          "description": "Emergency stop triggered through PROFIsafe safety communication."
        },
        {
          "name": "SAFETY_API_SAFEGUARD_STOP",
          "value": 22,
          "description": "Safeguard stop triggered via the Safety API interface."
        }
      ]
    },
    "joint_modes": {
      "variable": "joint_mode",
      "description": "Per-joint servo control state of each UR robot joint as reported via RTDE. One value is provided for each joint (0–5 on UR3e).",
      "enum": [
        {
          "name": "RESET",
          "value": 235,
          "description": "Joint is in reset state following a fault or shutdown event."
        },
        {
          "name": "SHUTTING_DOWN",
          "value": 236,
          "description": "Joint controller is in the process of shutting down."
        },
        {
          "name": "BACKDRIVE",
          "value": 238,
          "description": "Backdrive mode active; joint can be manually moved with reduced resistance."
        },
        {
          "name": "POWER_OFF",
          "value": 239,
          "description": "Joint motor power is disabled."
        },
        {
          "name": "READY_FOR_POWER_OFF",
          "value": 240,
          "description": "Joint is prepared for power-off but not yet fully powered down."
        },
        {
          "name": "NOT_RESPONDING",
          "value": 245,
          "description": "Joint controller is not responding; communication failure or internal issue."
        },
        {
          "name": "MOTOR_INITIALISATION",
          "value": 246,
          "description": "Joint motor is undergoing initialization sequence."
        },
        {
          "name": "BOOTING",
          "value": 247,
          "description": "Joint controller is booting."
        },
        {
          "name": "BOOTLOADER",
          "value": 249,
          "description": "Joint is in bootloader mode (firmware loading state)."
        },
        {
          "name": "VIOLATION",
          "value": 251,
          "description": "Joint safety or operational limits have been violated."
        },
        {
          "name": "FAULT",
          "value": 252,
          "description": "Joint has encountered a fault condition and requires intervention."
        },
        {
          "name": "RUNNING",
          "value": 253,
          "description": "Joint is operating normally under active control."
        },
        {
          "name": "IDLE",
          "value": 255,
          "description": "Joint is powered and ready but not actively moving."
        }
      ]
    },
    "robot_modes": {
      "variable": "robot_mode",
      "description": "Overall operational state of the Universal Robots controller as reported via RTDE. This reflects the high-level lifecycle state of the robot arm and safety control system.",
      "enum": [
        {
          "name": "DISCONNECTED",
          "value": 0,
          "description": "Connection with the safety control board is not established."
        },
        {
          "name": "CONFIRM_SAFETY",
          "value": 1,
          "description": "Robot is validating and updating safety settings before enabling operation."
        },
        {
          "name": "BOOTING",
          "value": 2,
          "description": "Safety control board is booting and communication with other components is being verified."
        },
        {
          "name": "POWER_OFF",
          "value": 3,
          "description": "Robot is powered but joints are not energized. Ready to boot up the joints."
        },
        {
          "name": "POWER_ON",
          "value": 4,
          "description": "Robot joints are in the process of booting up and being energized."
        },
        {
          "name": "IDLE",
          "value": 5,
          "description": "Robot joints are powered and ready, but not executing motion. Can transition to RUNNING or BACKDRIVE."
        },
        {
          "name": "BACKDRIVE",
          "value": 6,
          "description": "Robot is in backdrive mode. Brakes are selectively released to allow restricted manual movement."
        },
        {
          "name": "RUNNING",
          "value": 7,
          "description": "Brakes are fully released and robot is ready to execute or currently executing a program. Safety mode is active and displayed in PolyScope."
        },
        {
          "name": "UPDATING",
          "value": 8,
          "description": "Controller firmware is being updated."
        },
        {
          "name": "POWERING_OFF",
          "value": 9,
          "description": "Robot arm is in the process of powering down."
        },
        {
          "name": "ARM_BOOTING",
          "value": 10,
          "description": "Robot arm hardware is booting up."
        },
        {
          "name": "ARM_UPDATING",
          "value": 11,
          "description": "Robot arm firmware is being updated."
        }
      ]
    },

    "runtime_states": {
      "variable": "runtime_state",
      "enum": [
        {
          "name": "STOPPING",
          "value": 0
        },
        {
          "name": "STOPPED",
          "value": 1
        },
        {
          "name": "PLAYING",
          "value": 2
        },
        {
          "name": "PAUSING",
          "value": 3
        },
        {
          "name": "PAUSED",
          "value": 4
        },
        {
          "name": "RESUMING",
          "value": 5
        }
      ]
    }
  },
  {
    "machine_id": 1,
    "machine_type": "CNC milling machine",
    "manufacturer": null,
    "model": null,
    "origin": "University of Michigan Smart Lab experiments",
    "machine_category": "Computer Numerical Control (CNC) milling machine",
    "axes": [
      {
        "name": "X-axis",
        "sensor_data": "position, velocity, acceleration"
      },
      {
        "name": "Y-axis",
        "sensor_data": "position, velocity, acceleration"
      },
      {
        "name": "Z-axis",
        "sensor_data": "position, velocity, acceleration"
      }
    ],
    "spindle": {
      "sensor_data": "motor readings"
    },
    "workpiece_material": "wax",
    "experiment_count": 18,
    "purpose": "Tool wear detection data collection for machine learning",
    "data_source": "Kaggle dataset (tool-wear-detection-in-cnc-mill)",
    "notes": "Exact CNC machine make/model not specified in dataset documentation",
    "safety_modes": {},
    "joint_modes": {},
    "robot_modes": {},
    "runtime_states": {}
  },
  {
    "machine_id": 2,
    "machine_model": "UR5",
    "manufacturer": "Universal Robots",
    "series": "CB-series",
    "machine_type": "Collaborative robot (cobot)",
    "weight_kg": 18.4,
    "payload_kg": 5,
    "degrees_of_freedom": 6,
    "joint_rotation": {
      "wrist_joints": "360_degree_rotation",
      "end_joint": "infinite_rotation"
    },
    "typical_applications": [
      "machine tending",
      "assembly operations",
      "pick-and-place tasks",
      "quality inspection"
    ],
    "control_interfaces": [
      "UR PolyScope (teach pendant)",
      "UrScript",
      "TCP/IP socket connection",
      "RTDE (Real-Time Data Exchange)"
    ],
    "joint_speed_limits": [
      3.14,
      3.14,
      3.14,
      3.14,
      3.14,
      3.14
    ],
    "rated_current_per_joint": [
      2.5,
      2.5,
      2.5,
      1.5,
      1.5,
      1.5
    ],
    "minimum_polyscope_version_for_screwdriver": "3.x",
    "used_in_paper_for": "Multivariate time-series anomaly detection dataset collection (voraus-AD)",
    "safety_modes": {
      "variable": "safety_mode",
      "description": "Safety state of the Universal Robots controller as reported via RTDE.",
      "enum": [
        {
          "name": "NORMAL",
          "value": 1,
          "description": "Robot is operating normally within configured safety limits."
        },
        {
          "name": "REDUCED",
          "value": 2,
          "description": "Robot is operating in reduced mode with limited speed and/or force due to safety configuration or zone activation."
        },
        {
          "name": "PROTECTIVE_STOP",
          "value": 3,
          "description": "Protective stop triggered due to collision detection, excessive force, or safety threshold violation. Requires operator reset."
        },
        {
          "name": "RECOVERY",
          "value": 4,
          "description": "Robot is in recovery mode following a safety event and requires manual intervention."
        },
        {
          "name": "SAFEGUARD_STOP",
          "value": 5,
          "description": "External safeguard device (e.g., light curtain, safety door, interlock) has triggered a stop."
        },
        {
          "name": "SYSTEM_EMERGENCY_STOP",
          "value": 6,
          "description": "Emergency stop activated from the robot control box."
        },
        {
          "name": "ROBOT_EMERGENCY_STOP",
          "value": 7,
          "description": "Emergency stop activated from the teach pendant or robot-mounted E-stop button."
        },
        {
          "name": "VIOLATION",
          "value": 8,
          "description": "Configured safety limits (speed, position, joint limits, etc.) have been violated."
        },
        {
          "name": "FAULT",
          "value": 9,
          "description": "Internal safety system fault detected. System requires troubleshooting before operation can resume."
        },
        {
          "name": "AUTOMATIC_MODE_SAFEGUARD_STOP",
          "value": 12,
          "description": "Safeguard stop triggered while the robot is operating in automatic mode."
        },
        {
          "name": "SYSTEM_THREE_POSITION_ENABLING_STOP",
          "value": 13,
          "description": "Stop triggered due to incorrect activation of the system three-position enabling device."
        },
        {
          "name": "TP_THREE_POSITION_ENABLING_STOP",
          "value": 14,
          "description": "Stop triggered due to incorrect activation of the teach pendant three-position enabling device."
        },
        {
          "name": "IMMI_EMERGENCY_STOP",
          "value": 15,
          "description": "Emergency stop triggered through an IMMI (external machinery interface) safety connection."
        },
        {
          "name": "IMMI_SAFEGUARD_STOP",
          "value": 16,
          "description": "Safeguard stop triggered through an IMMI (external machinery interface) safety connection."
        },
        {
          "name": "PROFISAFE_WAITING_FOR_PARAMETERS",
          "value": 17,
          "description": "Robot is waiting for safety parameters via PROFIsafe communication before operation can proceed."
        },
        {
          "name": "PROFISAFE_AUTOMATIC_MODE_SAFEGUARD_STOP",
          "value": 18,
          "description": "Safeguard stop triggered via PROFIsafe while in automatic mode."
        },
        {
          "name": "PROFISAFE_SAFEGUARD_STOP",
          "value": 19,
          "description": "Safeguard stop triggered through PROFIsafe safety communication."
        },
        {
          "name": "PROFISAFE_EMERGENCY_STOP",
          "value": 20,
          "description": "Emergency stop triggered through PROFIsafe safety communication."
        },
        {
          "name": "SAFETY_API_SAFEGUARD_STOP",
          "value": 22,
          "description": "Safeguard stop triggered via the Safety API interface."
        }
      ]
    },
    "joint_modes": {
      "variable": "joint_mode",
      "description": "Per-joint servo control state of each UR robot joint as reported via RTDE. One value is provided for each joint (0–5 on UR3e).",
      "enum": [
        {
          "name": "RESET",
          "value": 235,
          "description": "Joint is in reset state following a fault or shutdown event."
        },
        {
          "name": "SHUTTING_DOWN",
          "value": 236,
          "description": "Joint controller is in the process of shutting down."
        },
        {
          "name": "BACKDRIVE",
          "value": 238,
          "description": "Backdrive mode active; joint can be manually moved with reduced resistance."
        },
        {
          "name": "POWER_OFF",
          "value": 239,
          "description": "Joint motor power is disabled."
        },
        {
          "name": "READY_FOR_POWER_OFF",
          "value": 240,
          "description": "Joint is prepared for power-off but not yet fully powered down."
        },
        {
          "name": "NOT_RESPONDING",
          "value": 245,
          "description": "Joint controller is not responding; communication failure or internal issue."
        },
        {
          "name": "MOTOR_INITIALISATION",
          "value": 246,
          "description": "Joint motor is undergoing initialization sequence."
        },
        {
          "name": "BOOTING",
          "value": 247,
          "description": "Joint controller is booting."
        },
        {
          "name": "BOOTLOADER",
          "value": 249,
          "description": "Joint is in bootloader mode (firmware loading state)."
        },
        {
          "name": "VIOLATION",
          "value": 251,
          "description": "Joint safety or operational limits have been violated."
        },
        {
          "name": "FAULT",
          "value": 252,
          "description": "Joint has encountered a fault condition and requires intervention."
        },
        {
          "name": "RUNNING",
          "value": 253,
          "description": "Joint is operating normally under active control."
        },
        {
          "name": "IDLE",
          "value": 255,
          "description": "Joint is powered and ready but not actively moving."
        }
      ]
    },
    "robot_modes": {
      "variable": "robot_mode",
      "description": "Overall operational state of the Universal Robots controller as reported via RTDE. This reflects the high-level lifecycle state of the robot arm and safety control system.",
      "enum": [
        {
          "name": "DISCONNECTED",
          "value": 0,
          "description": "Connection with the safety control board is not established."
        },
        {
          "name": "CONFIRM_SAFETY",
          "value": 1,
          "description": "Robot is validating and updating safety settings before enabling operation."
        },
        {
          "name": "BOOTING",
          "value": 2,
          "description": "Safety control board is booting and communication with other components is being verified."
        },
        {
          "name": "POWER_OFF",
          "value": 3,
          "description": "Robot is powered but joints are not energized. Ready to boot up the joints."
        },
        {
          "name": "POWER_ON",
          "value": 4,
          "description": "Robot joints are in the process of booting up and being energized."
        },
        {
          "name": "IDLE",
          "value": 5,
          "description": "Robot joints are powered and ready, but not executing motion. Can transition to RUNNING or BACKDRIVE."
        },
        {
          "name": "BACKDRIVE",
          "value": 6,
          "description": "Robot is in backdrive mode. Brakes are selectively released to allow restricted manual movement."
        },
        {
          "name": "RUNNING",
          "value": 7,
          "description": "Brakes are fully released and robot is ready to execute or currently executing a program. Safety mode is active and displayed in PolyScope."
        },
        {
          "name": "UPDATING",
          "value": 8,
          "description": "Controller firmware is being updated."
        },
        {
          "name": "POWERING_OFF",
          "value": 9,
          "description": "Robot arm is in the process of powering down."
        },
        {
          "name": "ARM_BOOTING",
          "value": 10,
          "description": "Robot arm hardware is booting up."
        },
        {
          "name": "ARM_UPDATING",
          "value": 11,
          "description": "Robot arm firmware is being updated."
        }
      ]
    }
  }
]