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Basic demo ​

1. Project introduction ​

This project, via the RealMan Python development package, completes the robotic arm connection, robotic arm version acquisition, API version acquisition, movej motion, moveL motion, moveC motion, and disconnection.

2. Code structure ​

RMDemo_SimpleProcess/
│
├── README.md        <- Core project document
├── requirements.txt    <- List of project dependencies
├── setup.py        <- Project installation script
│
├── src/          <- Project source code
│  ├── main.py       <- Main procedure entry
│  └── core/        <- Core function or business logic code
│    └── demo_simple_process.py      <- Demo that completes robotic arm connection, robotic arm version acquisition, API version acquisition, movej motion, moveL motion, moveC motion, and disconnection.
└── Robotic_Arm/      <- RealMan robotic arm secondary development package

3. Project download ​

Download RM_API2 locally via the link: development package download. Then, navigate to the RM_API2\Demo\RMDemo_Python directory, where you will find RMDemo_SimpleProcess.

4. Environment configuration ​

Required environment and dependencies for running in Windows and Linux environments:

ItemLinuxWindows
System architecturex86 architecture-
python3.9 or higher3.9 or higher
Specific dependency--

Linux configuration ​

  1. Refer to the python official website - linux to download and install python3.9.

  2. After entering the project directory, open the terminal and run the following command to install dependencies:

bash
pip install -r requirements.txt

Windows configuration ​

  1. Refer to the python official website - Windows to download and install python3.9.

  2. After entering the project directory, open the terminal and run the following command to install dependencies:

bash
pip install -r requirements.txt

5. Notes ​

This demo uses the RM65-B robotic arm as an example. Please modify the data in the code according to your actual situation.

6. User guide ​

1. Quick run ​

Follow these steps to quickly run the code:

  1. Configuration of the IP address of the robotic arm: open the demo_simple_process.py file and modify the initialization parameters of the RobotArmController class in the main function to the current IP address of the robotic arm. The default IP address is "192.168.1.18".

    python
    # Create a robot arm controller instance and connect to the robot arm
robot_controller = RobotArmController("192.168.1.18", 8080, 3)

  2. Running via command line: navigate to the RMDemo_SimpleProcess directory in the terminal and enter the following command to run the Python script:

    bash
    python ./src/main.py

  3. Running result: The running state of the robotic arm will be displayed in the terminal.

After running the script, the output result is as follows:

current api version:  0.2.9

Successfully connected to the robot arm: 1

API Version:  0.2.9 

================== Arm Software Information ==================
Arm Model:  RM65-6FI
Algorithm Library Version:  V1.3.9
Control Layer Software Version:  V1.5.3
Dynamics Version:  2
Planning Layer Software Version:  V1.5.3
==============================================================

movej motion succeeded

movej_p motion succeeded

movel motion succeeded

movej_p motion succeeded

movec motion succeeded

Successfully disconnected from the robot arm

2. Code description ​

The following are the main functions of the demo_simple_process.py file:

  • Define a parameter dictionary of different models of robotic arms

    python
    arm_models_to_points = {  
    "RM_65": [  
        [0, 20, 70, 0, 90, 0],
        [0.3, 0, 0.3, 3.14, 0, 0],
        [0.2, 0, 0.3, 3.14, 0, 0],
        [0.3, 0, 0.3, 3.14, 0, 0],
        [0.2, 0.05, 0.3, 3.14, 0, 0],
        [0.2, -0.05, 0.3, 3.14, 0, 0] ,
    ],  
    "RM_75": [  
        [0, 20, 0, 70, 0, 90, 0],
        [0.297557, 0, 0.337061, 3.142, 0, 3.142],
        [0.097557, 0, 0.337061, 3.142, 0, 3.142],
        [0.297557, 0, 0.337061, 3.142, 0, 3.142],
        [0.257557, -0.08, 0.337061, 3.142, 0, 3.142],
        [0.257557, 0.08, 0.337061, 3.142, 0, 3.142],
    ], 
    "RML_63": [  
        [0, 20, 70, 0, 90, 0],
        [0.448968, 0, 0.345083, 3.142, 0, 3.142],
        [0.248968, 0, 0.345083, 3.142, 0, 3.142],
        [0.448968, 0, 0.345083, 3.142, 0, 3.142],
        [0.408968, -0.1, 0.345083, 3.142, 0, 3.142],
        [0.408968, 0.1, 0.345083, 3.142, 0, 3.142]  ,
    ], 
    "ECO_65": [  
        [0, 20, 70, 0, -90, 0],
        [0.352925, -0.058880, 0.327320, 3.141, 0, -1.57],
        [0.152925, -0.058880, 0.327320, 3.141, 0, -1.57],
        [0.352925, -0.058880, 0.327320, 3.141, 0, -1.57],
        [0.302925, -0.158880, 0.327320, 3.141, 0, -1.57],
        [0.302925, 0.058880, 0.327320, 3.141, 0, -1.57],
    ],
    "GEN_72": [  
        [0, 0, 0, -90, 0, 0, 0],
        [0.1, 0, 0.4, 3.14, 0, 0],
        [0.3, 0, 0.4, 3.14, 0, 0],
        [0.3595, 0, 0.4265, 3.142, 0, 0],
        [0.3595, 0.03, 0.4265, 3.142, 0, 0],
        [0.3595, 0.03, 0.4665, 3.142, 0, 0],
    ],
    "ECO_63": [  
        [0, 20, 70, 0, -90, 0],
        [0.544228, -0.058900, 0.468274, 3.142, 0, -1.571],
        [0.344228, -0.058900, 0.468274, 3.142, 0, -1.571],
        [0.544228, -0.058900, 0.468274, 3.142, 0, -1.571],
        [0.504228, -0.108900, 0.468274, 3.142, 0, -1.571],
        [0.504228, -0.008900, 0.468274, 3.142, 0, -1.571],
    ],
}

  • Connect the robotic arm

    python
    robot_controller = RobotArmController("192.168.1.18", 8080, 3)

    Connect the robotic arm to the specified IP address and port.

  • Get the API version

    python
    print("\nAPI Version: ", rm_api_version(), "\n")

    Get and display the API version.

  • Get the software information of the robotic arm

    python
    robot_controller.get_arm_software_info()

    Get and display the basic information of the robotic arm, including product version, algorithm library version, control layer software version, dynamics version, and planning layer software version.

  • Execute the movej motion

    python
    robot_controller.movej(joint_6dof)

  • Execute the movej_p motion

    python
    robot_controller.movej_p(points[1])

  • Execute the movel motion

    python
    robot_controller.movel(points[2])

  • Execute the movec motion

    python
    robot_controller.movec(points[4], points[5], loop=2)

  • Disconnect from the robotic arm

    python
    robot_controller.disconnect()

7. License information ​

  • This project is subject to the MIT license.