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Mar 6, 2023 · Speed Sensor: Sensor used for detecting the speed of any object or vehicle which is in motion is known as speed sensor .For example – Wind Speed Sensors, Speedometer ,UDAR ,Ground Speed Radar . Temperature Sensor:
Revision notes on Sensors for the CIE IGCSE Computer Science syllabus, written by the Computer Science experts at Save My Exams.
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Jun 5, 2024 · Which sensor is used to detect the speed of the particular object at any instant? Speed detecting sensors which is also called Motion sensors are used to sense the physical movement in physical space. What are the classification of sensors? Sensor can classified as: 1. Active sensor and Passive sensor. 2. Analog and Digital sensor. 3.
- Properties of A Good Sensor
- Examples of Sensors
- Sensor Selection Criteria
- Sensor Classification
- Sensor Group Classification
It is sensitive to the measured property.It is sensitive to any other property likely to be encountered in its application.It does not influence the measured property.The input is the temperature in a mercury-based glass thermometer. The liquid contained expands and compresses in response, making the level higher or lower on the marked gauge, which is human-readable. An oxygen sensor in a car’s emission control systemsenses the gasoline/oxygen ratio, usually through a chemical reaction that produces a voltage. A...
Accuracy – measurements are expected to be accurateCalibration – readings changes with time, so it should be regularly calibrated accordinglyCost – should be within budgetEnvironmental condition – should comply with temperature or humidity limitsPrimary input quantityTransduction principles – fundamental criteria followed for an efficient approachMaterial and Technology – usually chosen by a development engineering groupPropertyAccelerometers – based on Micro Electro Mechanical sensor technology. They are utilised for patient monitoring purposes (like pacemakers) as well as for vehicle dynamic systems.Biosensors – based on electrochemical technology. They are utilised for food testing, medical care devices, water testing, and biological warfare agent detection.Image Sensors – based on CMOS technology. They are utilised in consumer electronics, biometrics, traffic and security surveillance, and PC imaging.Motion Detectors – based on Infra-Red, Ultrasonic, and Microwave / Radar Technology. They are utilised in video games and simulations, light activation, and security detection.Dec 15, 2020 · A sensor is any device that measures an event or change in an environment and transforms it into an electronic signal that can be read and computed. For instance, a sensor can take in physical...
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Jan 1, 1996 · The role of computational sensors is to transduce the physical world and generate signals. It also transforms the data to eliminate redundant information and to extract simple features. This is usually done in parallel and in real time before the data goes into the processor.
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A sensor is a device that converts a physical or chemical change into an electrical signal. Sensors are used to measure various types of physical and environmental parameters and provide this information to a system or device for monitoring, control, or other purposes.
