Sensors and their ability to collect real-world data, as well as the vast number of sensors that can be found in everyday objects.
The data generated by sensors can be used immediately, stored for short-term analysis, or combined into large data sets.
Smart systems use this data to make decisions and act on the environment using various types of actuators.
Actuators are devices that convert energy into motion, such
as electric motors or solenoids. In the context of smart systems, any device
that can respond as part of the system is generally considered an actuator.
The system needs to understand the context of the situation to effectively change the environment.
Smart systems can be used in various settings such as homes for the elderly, green systems, and smart classrooms. There is also a discussion of security and privacy concerns associated with these systems.
Example Scenrios in which sensors are used
A smart house for the elderly is equipped with various sensors such as PIR and accelerometer that track the use of rooms, cupboards, chairs, and bed, as well as potential falls. The system also has voice output reminders to take medication and switches that act as panic buttons to call for help. The data collected is networked and accessible to caregivers.
- The Smart Factories use TCP/IP for remote monitoring of production lines, RFID tags for tracking goods, quality control monitoring for products, and reconfigurable production lines. Schaeffer AG's front panel designer tool may be worth exploring.
- The Green System is a system that utilizes solar panels to power household appliances, such as washing machines, and optimizes heating based on occupancy patterns. The system also identifies potential energy savings for the user and allows them to modify settings from their phone. Overall, the Green System aims to increase energy efficiency and promote sustainability in household energy consumption.
References
What is Sensor and types of sensor (envirementalb.com)Acessed on 20th March 2023
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