The basic requirements of a sensor are Accuracy: It is the level of exactness between the measured value and the true value. Hysteresis: It is the difference in the output of the sensor for a given input x when x reaches this value in upscale direction and downscale direction. Linearity: It is specified in terms […]
Requirements of a Sensor Read More »
General characteristics of sensors are two, namely Static characteristics Dynamic Characteristics Static Characteristics of Sensors Static characteristics of sensors describe the performance of a transducer with very slow changes in the measurand. Static characteristics include accuracy, linearity, precision, sensitivity…etc Error Accuracy of a sensor is usually specified by error. it tells you how closely the
Characteristics of Sensors Read More »
Several criteria are adopted for the classification of sensors. Some of these include Based on the principle of operation (transduction principle) Based on energy requirements Based on material and technology used Application-based classification Property-based classification Based on transduction principles The transduction principle is the basic criteria that should be followed for a systematic approach to
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Definition of Sensors A sensor or transducer is a device that gives a usable output (preferably, an electrical quantity) in response to a specified measurand (physical quantity such as light, sound, temperature…etc) Daily life examples of sensors include microphones, thermometer, accelerometers, infrared sensors, speakers…etc Sensor produces a usable output in response to a specified quantity.
Introduction to Sensors and Transducers. Definition and Principle of Transduction Read More »
Requirements analysis leads to the specification of software’s operating characteristics, the identification of software’s interface with other system elements, and the establishment of constraints that software must meet. Requirements analysis helps you elaborate on basic requirements generated through inception, elicitation, and negotiation requirements engineering tasks. The action of requirements modelling produces one or more of
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Negotiating requiremnts The inception, elicitation, and elaboration tasks in an ideal requirements engineering setting determine customer requirements in sufficient depth to proceed to later software engineering activities. You might have to negotiate with one or more stakeholders. Most of the time, stakeholders are expected to balance functionality, performance, and other product or system attributes against cost
Negotiating and Validating Requirements Read More »
The analysis model’s goal is to provide a description of the informational, functional, and behavioural domains required for a computer-based system. The model evolves dynamically as you learn more about the system to be developed and other stakeholders gain a better understanding of what they actually require. As a result, the analysis model represents a
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A use case, in essence, presents a stylized storey about how an end user interacts with the system under certain conditions. The narrative text, an outline of activities or interactions, a template-based description, or a diagrammatic representation can all be used to tell the storey. A use case, in whatever shape it takes, portrays the
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Requirements Elicitation includes problem solving, elaboration, negotiation, and specification. Collaborative Requirements Gathering There have been numerous techniques of collaborative requirements collecting proposed. Meetings are held and attended by software engineers as well as other stakeholders. Preparation and participation rules are created. An agenda is proposed that is formal enough to cover all critical topics while
Eliciting Requirements Read More »
In an ideal world, stakeholders and software engineers would collaborate on the same team. In such cases, requirements engineering is simply a matter of having meaningful conversations with team members who are well-known. We go over the steps that must be taken to lay the groundwork for an understanding of software requirements—to get the project
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