18-06-2012, 04:06 PM
Modeling of Analog Circuits-Sensors
[attachment=24744]
Sensor
Sensor (e.g., thermometer)
a device that detects/measures a signal or stimulus
acquires information from the “real world”
Transducer
a device that converts a primary form of energy into a corresponding signal with a different energy form
Primary Energy Forms: mechanical, thermal, electromagnetic, optical, chemical, etc.
take form of a sensor or an actuator
Actuator (e.g., heater)
a device that generates a signal or stimulus
Specifications of Sensor
Accuracy: error between the result of a measurement and the true value being measured.
Resolution: the smallest increment of measure that a device can make.
Sensitivity: the ratio between the change in the output signal to a small change in input physical signal. Slope of the input-output fit line.
Repeatability/Precision: the ability of the sensor to output the same value for the same input over a number of trials
Sensors in Automobile
MAP Sensor
IAT sensor
EOL sensor
Speed Sensor
Proximity Sensor
Night vision Sensor
Systems in Automotive Infotronics
Collision Avoidance System
Lane Departure Warning System
Pedestrian Detection
Night Vision System
Airbag System
Adaptive Cruise Control
Conventional Sensors
[attachment=24744]
Sensor
Sensor (e.g., thermometer)
a device that detects/measures a signal or stimulus
acquires information from the “real world”
Transducer
a device that converts a primary form of energy into a corresponding signal with a different energy form
Primary Energy Forms: mechanical, thermal, electromagnetic, optical, chemical, etc.
take form of a sensor or an actuator
Actuator (e.g., heater)
a device that generates a signal or stimulus
Specifications of Sensor
Accuracy: error between the result of a measurement and the true value being measured.
Resolution: the smallest increment of measure that a device can make.
Sensitivity: the ratio between the change in the output signal to a small change in input physical signal. Slope of the input-output fit line.
Repeatability/Precision: the ability of the sensor to output the same value for the same input over a number of trials
Sensors in Automobile
MAP Sensor
IAT sensor
EOL sensor
Speed Sensor
Proximity Sensor
Night vision Sensor
Systems in Automotive Infotronics
Collision Avoidance System
Lane Departure Warning System
Pedestrian Detection
Night Vision System
Airbag System
Adaptive Cruise Control
Conventional Sensors