Method for reading sensors and controlling actuators using audio interfaces of mobile devices

Area of Science:

• Mechatronics
• Embedded Systems
• Mobile Computing

Background:

• Traditional control systems often require dedicated communication hardware.
• Integrating diverse computing devices into control systems can be complex and costly.
• Leveraging existing device capabilities can offer innovative solutions for embedded control.

Purpose of the Study:

• To present a novel closed-loop control architecture utilizing audio channels for device communication.
• To demonstrate the feasibility of using common computing devices like smartphones and tablets as control system components.
• To explore the application of this architecture in low-cost robotics and sensor networks.

Main Methods:

• Developed a closed-loop control architecture based on audio interfaces.
• Utilized audio tones for data exchange between computing devices.
• Implemented the system for sensor reading and actuator control.
• Built a low-cost mobile robot as a proof-of-concept application.

Main Results:

• Successfully demonstrated a novel control architecture using audio channels for communication.
• Enabled sensor data acquisition and actuator control through device audio interfaces.
• Developed a functional low-cost mobile robot using smartphones as primary building blocks.
• Validated the system's applicability in mechatronics and sensor networks.

Conclusions:

• The proposed audio-based control architecture offers a versatile and low-cost solution for mechatronics and sensor networks.
• Smartphones and similar devices can serve as fundamental components in distributed control systems.
• This approach facilitates the creation of accessible robotic systems and interconnected sensor networks.