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Instructor Guide - Hardware Setup

This section provides comprehensive guidance for setting up and maintaining the hardware infrastructure required for the Physical AI & Humanoid Robotics course. Proper hardware setup is essential for both instructor demonstrations and student lab experiences.

Lab Station Requirements​

Minimum Specifications per Student Station​

  • Computer: Intel i7-10700K or AMD Ryzen 7 3700X
  • RAM: 32GB DDR4-3200 MHz
  • GPU: NVIDIA RTX 3070 (8GB VRAM) or better
  • Storage: 500GB NVMe SSD
  • Network: Gigabit Ethernet with WiFi 6 capability
  • OS: Ubuntu 22.04 LTS preinstalled
  • Computer: Intel i9-12900K or AMD Ryzen 9 5900X
  • RAM: 64GB DDR4-3200 MHz
  • GPU: NVIDIA RTX 4080/4090 (16GB+ VRAM) or RTX A5000/A6000 for professional use
  • Storage: 1TB NVMe SSD + 2TB HDD for additional data
  • Network: Gigabit Ethernet with WiFi 6 capability
  • OS: Ubuntu 22.04 LTS with ROS 2 Humble preinstalled

Robot Platform Setup​

Universal Robot (UR3/UR5) Setup​

  1. Initial Setup:

    • Install URScript development environment
    • Configure network connection between workstation and robot
    • Set up safety configuration with appropriate safety zones

  2. Software Integration:

    • Install ROS 2 UR driver packages
    • Configure MoveIt! planning for the specific robot model
    • Test ROS 2 communication with the physical robot

  3. Safety Protocols:

    • Install physical safety barriers around robot workspace
    • Configure e-stop buttons accessible to all students
    • Install safety laser scanners if not already integrated

Franka Emika Panda Setup​

  1. Initial Setup:

    • Calibrate the robot in its physical location
    • Install FCI (Franka Control Interface) with appropriate control modes
    • Configure collision detection parameters

  2. Software Integration:

    • Install franka_ros2 packages
    • Calibrate camera-to-robot hand-eye coordination
    • Test impedance control modes for safe human-robot interaction

  3. Maintenance:

    • Regular backup of robot calibration parameters
    • Check cable wear and replace as needed
    • Update robot firmware periodically following manufacturer guidelines

Vision System Setup​

Intel RealSense D435/D435i​

  1. Hardware Installation:

    • Mount camera with appropriate field of view for workspace
    • Secure mounting to prevent vibrations that affect calibration
    • Connect to USB 3.0+ port with adequate power delivery

  2. Software Configuration:

    • Install RealSense ROS 2 wrapper
    • Calibrate camera intrinsic and extrinsic parameters
    • Configure streaming parameters (resolution, FPS) based on application needs

  3. Troubleshooting:

    • Check USB bandwidth saturation when using multiple cameras
    • Address IR interference in multi-camera setups
    • Handle temperature drift affecting calibration accuracy

Alternative Vision Systems​

Consider other options based on specific needs:

  • ZED Stereo Camera: Better depth accuracy but higher computational requirements
  • Azure Kinect: Good RGB and depth quality with additional IMU integration
  • Custom RGB-D: For specialized applications requiring specific capabilities

Network and Infrastructure​

Local Network Configuration​

  1. Robot Communication:

    • Dedicated subnet for robot communication to avoid network congestion
    • Static IP configuration for robot controllers
    • Quality of Service (QoS) configuration to prioritize robot communication

  2. Student Access:

    • VLAN separation if needed for security and performance
    • Wireless access points with adequate coverage and bandwidth
    • Network isolation to prevent interference with other labs

Cloud Integration (Optional)​

For courses incorporating cloud robotics:

  • VPN setup for secure cloud connectivity
  • Cloud credentials management for student access
  • Bandwidth planning for data-intensive operations

Safety Equipment​

Mandatory Safety Items​

  • Safety Goggles: Appropriate for robotics lab environment
  • First Aid Kit: Easily accessible and regularly checked
  • Fire Extinguisher: Appropriate class for electrical equipment
  • Emergency Contacts: Posted with local emergency services and robot manufacturer
  • Safety Barriers: Adjustable barriers for different robot workspace configurations
  • Signage: Clear safety instructions and warnings
  • Personal Protective Equipment: Lab coats, safety shoes if required by local regulations

Maintenance Schedule​

Daily Checks (Before Each Lab Session)​

  • Verify robot homing and basic functionality
  • Check network connectivity to all devices
  • Ensure safety systems are operational
  • Verify software licenses are available

Weekly Maintenance​

  • Update software packages and security patches
  • Check robot calibration and re-calibrate if necessary
  • Clean vision system lenses and check mounting
  • Back up important data and configurations

Monthly Maintenance​

  • Comprehensive backup of all system configurations
  • Check and replace worn components
  • Review and update safety procedures
  • Assess hardware performance for optimization opportunities

Budget Considerations​

Cost-Saving Alternatives​

  • Simulation-Only Option: Begin with simulation before adding physical robots
  • Shared Resources: Multiple courses sharing high-cost equipment
  • Gradual Rollout: Phase in equipment over multiple semesters
  • Used Equipment: Consider certified refurbished robots to reduce costs

Cost Breakdown for Typical Lab (12 Stations)​

  • Workstations (12): $15,000 - $36,000
  • Robots (6 shared units): $72,000 - $180,000
  • Vision Systems (12): $6,000 - $12,000
  • Networking Infrastructure: $2,000 - $5,000
  • Safety Equipment: $2,000 - $4,000
  • Total Initial Investment: $97,000 - $237,000

Troubleshooting Common Issues​

Network Connectivity Problems​

  • Symptom: Robot not responding to commands
  • Solution: Check IP configuration, firewall settings, and cable connections
  • Prevention: Document network configuration and create quick-diagnostic tools

Vision System Calibration Drift​

  • Symptom: Decreasing accuracy in object detection or positioning
  • Solution: Re-calibrate cameras and verify mounting stability
  • Prevention: Regular calibration checks and vibration-dampening mounts

Software Dependency Conflicts​

  • Symptom: ROS packages not building or running correctly
  • Solution: Use Docker containers or virtual machines for isolated environments
  • Prevention: Maintain documented, tested system images

Student Preparation and Safety Training​

Pre-Lab Requirements​

  • Completion of safety training module
  • Demonstration of basic Linux and programming skills
  • Understanding of basic electrical safety

Safety Protocols​

  1. Robot Operation:

    • Everyone maintains safe distance during robot motion
    • Immediate e-stop activation for any unsafe situation
    • Proper startup and shutdown procedures

  2. Equipment Handling:

    • Proper lifting techniques for equipment
    • Safe cable management to prevent tripping
    • Appropriate attire for lab environment

Setting Up Student Accounts​

ROS 2 Environment​

  • Pre-configure ROS 2 workspace with required packages
  • Set up necessary environment variables
  • Verify all required dependencies are installed and accessible

Version Control and Collaboration​

  • Set up GitLab/GitHub classroom for assignment submission
  • Configure access permissions and repository templates
  • Implement backup strategies for student work

Technical Support Resources​

Internal Support​

  • Designated technical support staff familiar with all systems
  • Student assistant program with advanced students
  • Regular maintenance schedule with documented procedures

External Support​

  • Robot manufacturer support agreements
  • Vision system technical support
  • ROS community resources and forums

Accessibility Accommodations​

For Students with Physical Disabilities​

  • Adjustable-height workstations
  • Alternative input methods for computer interaction
  • Clear pathways around robot workspaces
  • Alternative assessment methods when appropriate

For Students with Visual Impairments​

  • Audio feedback systems for robot status
  • High-contrast displays and interfaces
  • Alternative formats for visual materials
  • Screen reader compatibility for all software

Next Steps​

After completing the hardware setup:

  1. Test All Systems: Run comprehensive tests of all integrated systems
  2. Create Documentation: Develop student reference guides for equipment use
  3. Safety Training: Conduct safety training for all students and staff
  4. Backup Procedures: Implement regular backup and recovery procedures

Continue to Weekly Lesson Plans or return to Instructor Guide Home.

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