Data logging and control Flashcards
sensor examples
temperature, weight, sound, pressure, movement, light
what does a control programme do
analyses data input from sensors and sends signals to actuators that control a motor or switch etc.
what is a feedback system
a control system where the output actions affect the input data, which affects the output action which affects the input system etc.
advantages of computer control systems
changing circumstances are monitored more frequently than humans can, can not have human errors,
disadvantages of computer control systems
only does what it is programmed to do, cannot adapt to changes easily
advantages of computer data logging systems
more accurate than those taken by human, taken in dangerous environments, can read 24/7
disadvantages of computer data logging systems
cannot easily respond to changing circumstances, will only log what they are programmed to log.
