LifeTrac v25: Difference between revisions

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(Created page with "AI Generated LifeTrac 2025 LifeTrac_v25/AI_Prompts")
 
(Added comprehensive information from GitHub: Machine Design overview, Key Design Features, Technical and Performance Specifications, Features list, Control Scheme details, and GitHub repository link)
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[[LifeTrac_v25/AI_Prompts]]
[[LifeTrac_v25/AI_Prompts]]
== Machine Design ==
LifeTrac v25 is a remotely-operated compact utility loader designed as an open-source alternative sized between a Toro Dingo and a Bobcat. Built using parametric OpenSCAD design, it features modular construction following Open Source Ecology principles.
=== Key Design Features ===
* '''Modular Construction:''' Plate steel, square tubing, and angle iron components for easy fabrication and repair
* '''Remote Operation:''' No operator seat required, optional standing deck for manual operation
* '''Hydraulic Power:''' 4 independent wheel motors for all-wheel drive, 2 cylinders for arm lift, 2 for bucket tilt
* '''Open Source CAD:''' Complete OpenSCAD parametric design files for customization and manufacturing
=== Technical Specifications ===
{| class="wikitable"
|-
! Specification !! Value (mm) !! Value (inches) !! Value (meters)
|-
| '''Overall Width''' || 1,200 mm || 47.2" || 1.20 m
|-
| '''Overall Length''' || 1,800 mm || 70.9" || 1.80 m
|-
| '''Height to Frame Top''' || 1,000 mm || 39.4" || 1.00 m
|-
| '''Ground Clearance''' || 150 mm || 5.9" || 0.15 m
|-
| '''Wheel Diameter''' || 500 mm || 19.7" || 0.50 m
|}
=== Performance Specifications ===
{| class="wikitable"
|-
! Specification !! Value
|-
| '''Hydraulic System Pressure''' || 3,000 PSI
|-
| '''Estimated Lift Capacity''' || ~1,200 kg (~2,646 lbs)
|-
| '''Drive Configuration''' || All-wheel drive (4 hydraulic motors)
|-
| '''Cylinder Bore (Lift)''' || 63.5 mm (2.5")
|}
=== Weight Estimate ===
Machine weight is estimated at '''800-1,000 kg (1,760-2,200 lbs)''' based on steel construction with:
* 1/4" (6.35mm) plate steel for most components
* 1/2" (12.7mm) plate steel for high-stress areas
* 4"×4"×1/4" square tubing for main frame
* 3"×3"×1/4" square tubing for loader arms
== Features ==
* '''Multiple Control Modes:''' Switch for MQTT/OFF/BLE mode selection (BLE default)
* '''BLE Direct Control:''' Direct Bluetooth connection to DroidPad app (no WiFi/broker needed)
* '''Remote Joystick Control:''' Dual joystick setup for tank steering and hydraulic functions
* '''DroidPad Compatible:''' Native support for DroidPad via BLE or MQTT
* '''WiFi Communication:''' Reliable wireless control with MQTT protocol
* '''ROS2 Integration:''' Control LifeTrac from BeagleBone or any ROS2-enabled device
* '''Configurable Flow Control:''' Choose between single or dual proportional flow valves via jumper
* '''Proportional Flow Control:''' Speed regulation based on joystick input intensity
* '''Safety Features:''' Emergency stop, communication timeout, and fail-safe operation
* '''Status Monitoring:''' Real-time system status and diagnostics
== Control Scheme ==
=== Tank Steering ===
* '''Left Joystick Y-axis:''' Forward/backward movement for both tracks
* '''Left Joystick X-axis:''' Differential steering (left/right turns)
=== Hydraulic Functions ===
* '''Right Joystick Y-axis:''' Arms up/down control
* '''Right Joystick X-axis:''' Bucket up/down control
=== Speed Control ===
* '''Proportional Flow Valve:''' Automatically adjusts system speed based on maximum joystick input
* '''Deadzone:''' 10% deadzone prevents unwanted movements from joystick drift
== GitHub Repository ==
For complete documentation, source code, and detailed specifications, visit the [https://github.com/OpenSourceEcology/LifeTrac/tree/main/LifeTrac-v25 LifeTrac v25 GitHub Repository].
The repository includes:
* Mechanical design files (OpenSCAD)
* Arduino controller code
* Remote control software
* Web controller interface
* ROS2 integration packages
* Complete wiring and installation guides

Revision as of 04:28, 11 December 2025

AI Generated LifeTrac 2025

LifeTrac_v25/AI_Prompts

Machine Design

LifeTrac v25 is a remotely-operated compact utility loader designed as an open-source alternative sized between a Toro Dingo and a Bobcat. Built using parametric OpenSCAD design, it features modular construction following Open Source Ecology principles.

Key Design Features

  • Modular Construction: Plate steel, square tubing, and angle iron components for easy fabrication and repair
  • Remote Operation: No operator seat required, optional standing deck for manual operation
  • Hydraulic Power: 4 independent wheel motors for all-wheel drive, 2 cylinders for arm lift, 2 for bucket tilt
  • Open Source CAD: Complete OpenSCAD parametric design files for customization and manufacturing

Technical Specifications

Specification Value (mm) Value (inches) Value (meters)
Overall Width 1,200 mm 47.2" 1.20 m
Overall Length 1,800 mm 70.9" 1.80 m
Height to Frame Top 1,000 mm 39.4" 1.00 m
Ground Clearance 150 mm 5.9" 0.15 m
Wheel Diameter 500 mm 19.7" 0.50 m

Performance Specifications

Specification Value
Hydraulic System Pressure 3,000 PSI
Estimated Lift Capacity ~1,200 kg (~2,646 lbs)
Drive Configuration All-wheel drive (4 hydraulic motors)
Cylinder Bore (Lift) 63.5 mm (2.5")

Weight Estimate

Machine weight is estimated at 800-1,000 kg (1,760-2,200 lbs) based on steel construction with:

  • 1/4" (6.35mm) plate steel for most components
  • 1/2" (12.7mm) plate steel for high-stress areas
  • 4"×4"×1/4" square tubing for main frame
  • 3"×3"×1/4" square tubing for loader arms

Features

  • Multiple Control Modes: Switch for MQTT/OFF/BLE mode selection (BLE default)
  • BLE Direct Control: Direct Bluetooth connection to DroidPad app (no WiFi/broker needed)
  • Remote Joystick Control: Dual joystick setup for tank steering and hydraulic functions
  • DroidPad Compatible: Native support for DroidPad via BLE or MQTT
  • WiFi Communication: Reliable wireless control with MQTT protocol
  • ROS2 Integration: Control LifeTrac from BeagleBone or any ROS2-enabled device
  • Configurable Flow Control: Choose between single or dual proportional flow valves via jumper
  • Proportional Flow Control: Speed regulation based on joystick input intensity
  • Safety Features: Emergency stop, communication timeout, and fail-safe operation
  • Status Monitoring: Real-time system status and diagnostics

Control Scheme

Tank Steering

  • Left Joystick Y-axis: Forward/backward movement for both tracks
  • Left Joystick X-axis: Differential steering (left/right turns)

Hydraulic Functions

  • Right Joystick Y-axis: Arms up/down control
  • Right Joystick X-axis: Bucket up/down control

Speed Control

  • Proportional Flow Valve: Automatically adjusts system speed based on maximum joystick input
  • Deadzone: 10% deadzone prevents unwanted movements from joystick drift

GitHub Repository

For complete documentation, source code, and detailed specifications, visit the LifeTrac v25 GitHub Repository.

The repository includes:

  • Mechanical design files (OpenSCAD)
  • Arduino controller code
  • Remote control software
  • Web controller interface
  • ROS2 integration packages
  • Complete wiring and installation guides
Retrieved from "https://wiki.opensourceecology.org/index.php?title=LifeTrac_v25&oldid=315713"