Implementation:ARISE Initiative Robosuite TuneJoints
| Knowledge Sources | |
|---|---|
| Domains | Robotics, Robot Configuration, Interactive Tools |
| Last Updated | 2026-02-15 07:00 GMT |
Overview
The tune_joints script provides an interactive tool for tuning robot joint positions in a MuJoCo environment using keyboard controls, allowing users to visually inspect and adjust joint configurations.
Description
This script creates a robosuite environment with a specified robot and provides a keyboard-driven interface for manipulating individual joint angles in real time. The KeyboardHandler class listens for keyboard events via the pynput library and translates them into joint position updates. Users can select which joint to tune (keys 1-9), increment or decrement the active joint angle (up/down arrows), adjust the delta step size (left/right arrows), toggle between robot arms for bimanual or multi-robot setups (key 't'), and reset all joints to zero (key 'r').
The handler supports both single-arm and bimanual robot configurations. For single-arm robots, the 't' key cycles through multiple robots in the environment. For bimanual robots, it toggles between the right and left arms. Joint position updates are applied directly to the simulation's qpos array and the current joint values are printed to the console after each change.
The script is designed as a development and debugging utility. It renders the environment in real time while accepting keyboard input, providing immediate visual feedback of joint configuration changes.
Usage
Use this script during robot model development to find appropriate initial joint configurations, debug joint limits, or visually verify joint axis definitions. Run it from the command line specifying the environment and robot type.
Code Reference
Source Location
- Repository: ARISE_Initiative_Robosuite
- File: robosuite/scripts/tune_joints.py
Signature
class KeyboardHandler:
def __init__(self, env, delta=0.05)
def print_command(char, info)
Import
# This is a standalone script, typically run from the command line:
# python robosuite/scripts/tune_joints.py --env Lift --robots Panda
I/O Contract
Inputs
| Name | Type | Required | Description |
|---|---|---|---|
| --env | str | No | Robosuite environment name (default: "Lift") |
| --robots | str (list) | No | Robot type(s) to use in the environment (default: "Panda") |
| --init_qpos | float (list) | No | Initial joint positions; 0 defaults to all zeros |
Outputs
| Name | Type | Description |
|---|---|---|
| Console output | str | Current joint positions printed after each adjustment |
| Visual display | Rendered scene | Real-time rendered MuJoCo viewer showing robot configuration |
Usage Examples
# Tune joints for a Panda robot in the Lift environment
# python robosuite/scripts/tune_joints.py --env Lift --robots Panda
# Tune joints for a Baxter robot with initial positions
# python robosuite/scripts/tune_joints.py --env Lift --robots Baxter --init_qpos 0.4 -0.6 0.1
# Key controls during execution:
# 1-9: Select active joint
# Up/Down arrows: Increment/decrement joint angle
# Left/Right arrows: Decrease/increase delta step size
# t: Toggle between arms (bimanual) or robots (multi-robot)
# r: Reset all joints to zero