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Специализация
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Часов на завершение

Прибл. 22 часа на выполнение

Предполагаемая нагрузка: 5 weeks of study, 2-3 hours/week...
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Английский

Субтитры: Английский...

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FreertosReal-Time Operating System (RTOS)Scheduling AlgorithmsScheduling (Computing)
Специализация
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Прибл. 22 часа на выполнение

Предполагаемая нагрузка: 5 weeks of study, 2-3 hours/week...
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Английский

Субтитры: Английский...

Программа курса: что вы изучите

Неделя
1
Часов на завершение
3 ч. на завершение

Introduction to Real-Time Systems

Here is where it all starts! We will make a brave attempt to start your future career in real-time systems! This week starts by learning the basic building stones in real-time systems and the system parameters required to successfully construct a real-time system. We introduce you to the corner stone of real-time systems, namely the scheduler – and its task in real-time schedules. You learn also what kind of real-time guarantees are needed in which systems. Concretely, you will learn (1) What is needed to create a real-time system (2) Where real-time requirements are needed. (3) The task and job structure and the parameters needed to schedule a task. (4) Difference between pre-emptive and non-pre-emptive tasks. This course is also part of a Blended Master Programme in Embedded Systems. ...
Reading
6 видео (всего 42 мин.), 1 материал для самостоятельного изучения, 3 тестов
Video6 видео
The Concepts of Real-Time Systems6мин
The Concept of Real-TimeTasks10мин
The Principles of Scheduling7мин
Real-Time Pre-emption10мин
FreeRTOS "Hello World" Tutorial4мин
Reading1 материал для самостоятельного изучения
FreeRTOS API10мин
Quiz1 практическое упражнение
Quiz 116мин
Неделя
2
Часов на завершение
3 ч. на завершение

Static Scheduling

In this week we start to actually do some scheduling. We firstly have a look at the simplest type of scheduler – the clock driven scheduler. After this we deepen our learning with the fixed priority scheduler and the monotonic schedulers. We learn how the priorities are determined using these schedulers and we learn when/when not to use these schedulers. Secondly we learn how to determine if a system is overloaded in order to validate schedules without complete system simulation.Concretely, after attending this week you will be able to: (1) Schedule a set of tasks with the clock driven scheduler, with the fixed priority scheduler, with the monotonic schedulers. (2) Determine if a system is overloaded using the total-utilization method and the Urm method. (3) Program FreeRTOS to schedule a set of tasks using the fixed priority scheduler ...
Reading
7 видео (всего 44 мин.), 2 тестов
Video7 видео
Clock Driven Scheduling - Implementation4мин
Cyclic Structured Scheduling - The Concept6мин
Cyclic Structured Scheduling - Example5мин
Fixed Priority Scheduling7мин
Monotonic Scheduling - The Concept7мин
Monotonic Scheduling - Example6мин
Quiz1 практическое упражнение
Quiz 216мин
Неделя
3
Часов на завершение
3 ч. на завершение

Dynamic Scheduling

In the previous week we learned the limitations of the total-utilization method and the Urm method. We start this week off by extending these tests to tasks with short response times. The new method is also, as usual, used in practice! We then focus on improving the optimality of real-time schedules. This is done by learning the principles behind dynamic scheduling methods. Two new schedulers using the dynamic scheduling principle is learned and used in practice with a few examples; the LST scheduler and the EDF scheduler.Concretely, you will learn: (1) How to determine feasibility of a set of tasks using the time demand analysis method. (2) How to schedule a set of tasks using LST and EDF. (3) To determine when a dynamic scheduler is appropriate and when it is not appropriate....
Reading
5 видео (всего 35 мин.), 2 тестов
Video5 видео
Tasks with Short Response Time - Example8мин
Dynamic Priority Scheduling7мин
Earliest Deadline First Theory5мин
Earliest Deadline First Example7мин
Quiz1 практическое упражнение
Quiz 316мин
Неделя
4
Часов на завершение
3 ч. на завершение

Non-Periodic Jobs

All things are easy and nice when not caring about non-periodic jobs. When including non-periodic jobs, the schedulers must take these into account to make a feasible schedule, which we learn this week. The problem is that a non-periodic job can arrive at any time, even if a periodic job is already scheduled. We learn both how to optimize a schedule for non-periodic jobs and how to validate a schedule when non-periodic jobs arrive to the schedule. Concretely, we will learn: (1) How to use the slack stealing method to optimize a schedule with non-periodic jobs (2) How to use the LRT scheduler to optimize a schedule with non-periodic jobs (3) How to use the deferrable server to optimize a schedule with non-periodic jobs (4) Formally verify a schedule with non-periodic jobs ...
Reading
6 видео (всего 40 мин.), 2 тестов
Video6 видео
Aperiodic Jobs - Example4мин
Sporadic Jobs - The Concept7мин
Sporadic Jobs - Example7мин
The Deferrable Server Theory5мин
The Deferrable Server Example8мин
Quiz1 практическое упражнение
Quiz 412мин
4.5
Формирование карьерного пути

50%

начал новую карьеру, пройдя эти курсы
Карьерные преимущества

83%

получил значимые преимущества в карьере благодаря этому курсу

Лучшие рецензии

автор: LPJul 12th 2017

Real-Time systems are very demanded nowadays. Excellent course to review some aspects in this field or to learn everything from the beginning.

автор: GTApr 23rd 2018

I feel having in depth analysis on various scheduling algorithms would be helpful. I have learnt many things from this course.

Преподаватель

Avatar

Simon Holmbacka

Dr
Åbo Akademi University, Faculty of Science and Engineering

О EIT Digital

EIT Digital is a pan-European education and research-based open innovation organization founded on excellence. Its mission is to foster digital technology innovation and entrepreneurial talent for economic growth and quality of life. By linking education, research and business, EIT Digital empowers digital top talents for the future. EIT Digital provides online "blended" Innovation and Entrepreneurship education to raise quality, increase diversity and availability of the top-level content provided by 20 reputable universities of technology around Europe. The universities all together deliver a unique blend of the best of technical excellence and entrepreneurial skills and mindset to digital engineers and entrepreneurs at all stages of their careers. The academic partners support Coursera’s bold vision to enable anyone, anywhere, to transform their lives by accessing the world’s best learning experience. This means that EIT Digital gradually shares parts of its entrepreneurial and academic education programmes to demonstrate its excellence and make it accessible to a much wider audience. EIT Digital’s online education portfolio can be used as part of blended education settings, in both Master and Doctorate programmes, and for professionals as a way to update their knowledge. EIT Digital offers an online programme in 'Internet of Things through Embedded Systems'. Achieving all certificates of the online courses and the specialization provides an opportunity to enroll in the on campus program and get a double degree. These are the courses in the online programme: ...

О специализации ''Development of Secure Embedded Systems'

Three people died after the crash landing of an Asiana Airlines aircraft from Seoul, Korea, at San Fransisco International Airport (SFO) on July 6, 2013. The American National Transportation Safety Board (NTSB) established that the crash most probably was caused by the flight crew's (in)actions. Three teenage girls lost their lives; two in the airplane and another was accidentally run over by a firetruck. The human factor is often cause for accidents. NTSB and others report that more than 50 percent of plane crashes is caused by pilot error (and for road accidents it is even 90 perc.) Correctly designed safety and security critical systems can prevent these errors. After following this course successfully, you are able to develop secure embedded systems that are at the core of these safety and security critical systems. You are even challenged to program your own landing guiding system in our capstone project. If you are interested in building secure embedded systems for the benefit of humanity, this specialization is for you! EIT Digital has chosen 3 MOOC topics of industrial interest, namely: 1) Embedded design and hardware, 2) Security in embedded connectivity and 3) Real-Time systems. These MOOCs show what it takes to program Internet-of-Things systems. We focus on tools used in the modern IoT industry, and we push for a practical learn-by-programming approach in which you are exposed to the actual development in an early stage. We hope to see you soon!...
Development of Secure Embedded Systems

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  • We like to keep the exercise a bit more like in the industrial life: there is no "correct" answer but your task is to make the customer (peer reviewer) satisfied. Therefore we have other student review your solution and if that "customer" finds it acceptable, you will get a good score. Like in many engineering projects, there is no "correct solution" but there are many correct ways of implementing your solution.

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