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Mechatronics and Renewable Energy Lab

Platform 1: H obby E lectric R emote C ontrol C ar

Input

Processing

Output

Feedback Loop

Software (Dynamic)

Machine Vision

GPUCV

System Modeling

PID controller

Software (Static)

OS Selection

High Level

Remote Communication

Computer Platform Selection

Remote Communication

On-Vehicle Interface

On-Vehicle Interface

Low Level

Remote Control

Embedded Platform Selection

Motor Driver Interface

Hardware (Dynamic)

Sensors

Hardware (Static)

Add-on Frame

Physical (Dynamic)

EMI/EMC

Physical (Static)

Add-on Frame

Project 4a: Motor Drive Interface

As both vehicles have a PWM interface between the receiver and each of the channels (throttle, direction and maybe transmission), the students may measure, evaluate and determine the various signals and reproduce them. They may determine the following:

· PWM Amplitude, frequency and duty cycle;

· Duty cycles for maximum, minimum and neutral values;

· Translated values for the emitter (i.e., in milliseconds).

Goals:

· Assess, measure and Identify the signals;

· Reproduce them in a usable and controllable manner;

· Demonstrate precision in range and controllability, especially at near-zero speeds.