Sensor

A device that detects and responds to some type of input from the physical environment. The specific input can be light, heat, motion, moisture, pressure, or any of a great number of other environmental phenomena. The sensor then provides an output, usually a signal converted into data readable by an instrument or observer. These devices play a crucial role in automation, robotics, and various monitoring systems, enabling machines to 'perceive' and interact with the world around them.

Sensor meaning with examples

• The car's sensor array detected an imminent collision, automatically engaging the emergency braking system. The array comprised of radar, lidar, and camera **sensors** worked in tandem to provide comprehensive environmental awareness, ensuring passenger safety. This sophisticated system highlights the increasing reliance on **sensors** in modern vehicles, enhancing both performance and security.
• The greenhouse uses light **sensors** to regulate artificial lighting, optimizing plant growth. These **sensors** continuously measure light intensity, triggering supplementary lamps when levels drop below a threshold. This automated system ensures a consistent environment, maximizing crop yields and minimizing energy consumption, demonstrating the practical application of environmental **sensors**.
• A network of pressure **sensors** monitors the structural integrity of the bridge, alerting engineers to any potential weaknesses. The network gathers data about stress points and potential overload. This continuous monitoring allows for proactive maintenance and prevents catastrophic failures. This is a good example of using **sensors** to monitor the wellbeing of infrastructure.
• The robot uses a touch sensor to navigate its environment and pick up objects. The sensor provides tactile feedback, allowing the robot to determine object shapes and sizes. Sophisticated algorithms interpret the data, enabling the robot to manipulate objects with precision and efficiency, demonstrating the capability of robotic **sensors**.