How to control a brushless motor using a joystic on Matlab?

Question

elevepsi lamartin 2023-5-16

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https://ww2.mathworks.cn/matlabcentral/answers/1965004-how-to-control-a-brushless-motor-using-a-joystic-on-matlab

回答： Satwik 2023-6-14

Good morning. Currently in graduate school, I have a project: to operate an RC hydrofoil with matlab.

I am currently stuck in my project.

I would like to control my brushless motor with a controller but I can't.

I have already tried to use the "Joystic Input" but I cannot connect it to the motor to control it.

To understand better the screenshhot : I tried to separate the values of the axis, then, I did some operations (because the brushless motor works only with one flottant between 0 and 180).

Then, It shows me this error mesage:

Thank you

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Answer 1

Satwik 2023-6-14

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https://ww2.mathworks.cn/matlabcentral/answers/1965004-how-to-control-a-brushless-motor-using-a-joystic-on-matlab#answer_1255784

To control a brushless motor with a controller, you need to have a few key components:

1. Brushless motor: This is the motor that you want to control. It should be rated for the appropriate voltage and current for your application.

2. Brushless motor controller: This is the electronic device that regulates the voltage and current delivered to the motor to control its speed and acceleration. There are many different types of brushless motor controllers available, ranging from simple hobby-oriented controllers to complex industrial controllers.

3. Joystick or other input device: This is the interface that allows you to control the speed and direction of the motor. Joysticks are a popular choice for controlling brushless motors, but other input devices such as potentiometers, switches, or knobs can also be used.

Once you have these components, you can connect them together to create a complete motor control system. Here are the basic steps:

1. Connect the joystick or other input device to an input channel on the brushless motor controller. This may involve wiring the input device to the controller's input terminals or connecting it via a digital or analog interface.

2. Connect the brushless motor to the output of the brushless motor controller. This usually involves wiring the motor's three phase wires to corresponding outputs on the controller.

3. Connect a power source to the brushless motor controller. This may be a battery or other power supply that provides the required voltage and amperage for your motor and controller.

4. Program the brushless motor controller to respond to input signals from the joystick or other input device. This may involve configuring the controller's settings, setting up a control loop or other feedback mechanism, or programming the controller to respond to specific input signals or setpoints.

5. Test and debug the motor control system to ensure that it is working as intended. This may involve testing the motor's response to varying input signals, adjusting the controller's settings, or troubleshooting wiring or other issues.