Applications of Embedded Systems
Embedded systems are hugely applicable in several areas, such as communication, space, robotic systems, transportation, home appliances, etc. Grounded on the performance needs, you can categorize these systems into 4 chief kinds, like networked, stand-alone, real-time and mobile embedded systems. Our writers also do explain the complicated concepts so that students’ understanding becomes clear regarding a topic.
The Components of an Embedded System
There are chiefly three components of an embedded system and they are as follows:
- An embedded system has hardware
- It possesses application software
- An embedded system has got RTOS (Real Time Operating System) which does the work of supervising the application software besides proposing a mechanism for allowing the processor to run processes according to the scheduling. RTOS defines the method in which the system works and it also sets the rules at the time of executing the application program. However, a small-scale embedded system doesn’t comprise RTOS.
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Features of an Embedded System
Single-functioned – Commonly, an embedded system performs a particular operation and does this thing repeatedly. For instance, a pager does function as a pager only.
Reactive – Numerous embedded systems should continue to react to alterations in the environment of the system and should compute some outcomes in real-time minus making a delay. You can consider the instance of a car cruise controller which monitors and responds to brake sensors and speed continually. Additionally, it should compute de-acceleration and acceleration repeatedly within a certain limit as a delayed computation can give rise to the failure in controlling the car.
Strictly constrained – Every computing system has constrains on the design metrics, though those that are on an embedded system do turn out to be particularly tight. Design metrics happen to be a measure of the features of implementation, like its size, power, cost, and performance.
Based on microprocessors – An embedded system should be microcontroller or microprocessor-based.
Memory – An embedded system should possess a memory because its software commonly gets embedded in ROM. Additionally, it doesn’t require any secondary memories.
HW-SW systems – The use of software makes things more flexible and adds many features and hardware is useful for security and performance.
Connected – An embedded system should have linked peripherals for connecting output and input devices.
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