How were microprocessors used in factory machines and robotic devices?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

Microprocessors revolutionized industrial environments by enabling the development of compact, programmable control systems that replaced bulky, specialized hardware. By integrating the central processing unit's functions onto a single chip, these devices allowed engineers to automate complex tasks with high precision and flexibility.123

Applications in Factory Machines

In manufacturing, microprocessors are used to control a wide array of equipment, including numerically controlled lathes and automated assembly systems. Unlike conventional control systems that required physical hardware replacements to change functions, microprocessor-based systems can be easily reprogrammed to handle new tasks. They provide:12
* Feedback Control: Systems monitor variables like tool wear and cutting rates, making real-time adjustments to ensure product accuracy and prevent machine damage.2
* Supervisory Control: Computers can optimize plant operations by adjusting set points for devices like thermostats to lower costs or increase production.2
* Process Automation: They manage the movement and positioning of objects on production lines, facilitating the transition from manual intervention to unattended, automated processes.2

Applications in Robotic Devices

Microprocessors serve as the "brain" of industrial robots, enabling them to perform repetitive or dangerous tasks such as spot welding, painting, assembly, and inspection. Key functions include:14
* Motion Control: Robots are programmed to move their manipulators to precise positions in space.5
* Input/Output Management: Microprocessors process signals from sensors and other devices in the work cell, allowing the robot to interact with its environment and initiate control signals to other equipment.5
* Intelligent Sensing: Advanced robots use microprocessors to interpret data from tactile or visual sensors, allowing them to detect the proximity of objects and adapt their movements accordingly.4