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Digital control, SSY160, HT2007

Status: Avslutad
Öppen för svar: 2007-12-13 - 2008-01-11
Antal svar: 49
Procent av deltagarna som svarat: 44%
Kontaktperson: Madeleine Persson»

Your own effort

1. How many hours per week did you spend on this course?

We mean total time, that is, it comprises the time you spent in class and the time you spent on your own work. Try to estimate the average time over the entire study period.

48 svarande

At most 15 hours/week»13 27%
Around 20 hours/week»19 39%
Around 25 hours/week»9 18%
Around 30 hours/week»4 8%
At least 35 hours/week»3 6%

Genomsnitt: 2.27

- Unfortunately, the other course (Applied Signal Processing) that was recommended by the S2 department for us Control students, was too time consuming with too many fruitless irrelevant projects and unfortunately it wasn"t relevant to our field of study, while it was supposed to be something useful! I think it was totally related to communication engineering and was irrelevant to our program. So we really didn"t have enough time to spend on one of our most important courses (Digital Control). » (At most 15 hours/week)
- Very diffus course, the extra excresis and book didn´,t seem to have a connection» (Around 20 hours/week)
- The hard part of the course was in the end.» (Around 20 hours/week)
- that is 25 hours of useless information with a quite bad teacher who didnt knew his subject.» (Around 25 hours/week)
- Another course took to much of my time!» (Around 25 hours/week)

2. How large part of the teaching offered did you attend?

48 svarande

0%»0 0%
25%»3 6%
50%»4 8%
75%»12 25%
100%»29 60%

Genomsnitt: 4.39

- Värdelösa» (50%)
- amazing teacher» (50%)
- missed some due to my part-time job..» (75%)
- away due to sickness» (75%)
- I missed the first week, then we had some obligatory moments in the other classes I took, otherwise I was attending everything» (75%)
- Almost» (100%)

Goals and goal fulfilment

The course syllabus states the course goals in terms of learning outcomes, i.e., knowledge, skills and attitudes to be acquired by the student during the course.

3. How understandable are the course goals?

48 svarande

I have not seen/read the goals»10 20%
The goals are difficult to understand»7 14%
The goals give some guidance, but could be clearer»22 45%
The goals clearly describe what I am supposed to learn»9 18%

Genomsnitt: 2.62

- It was a lot tó learn but didnt know what the focus of the course was.» (I have not seen/read the goals)
- I think the course goals should describe the learning outcome, which is not the case in this course.» (The goals give some guidance, but could be clearer)
- Alot of the goals in this course belongs to the old basic course in the same subject! Therefore its very unclear on what to learn or what to discard. Because the book used says different and so does the teacher at class.» (The goals give some guidance, but could be clearer)

4. Are the goals reasonable considering your background and the number of credits?

Answer this this question and the succeeding one, only if you do know the course goals.

40 svarande

No, the goals are set too low»1 2%
Yes, the goals seem reasonable»33 82%
No, the goals are set too high»6 15%

Genomsnitt: 2.12

- Yes the goals seems reasonable if we have been thought the right things at class and from the book!» (Yes, the goals seem reasonable)
- Jag har läst kemiteknik här på Chalmers och jag känner inte att jag haft tillräckliga förkunskaper för denna kurs. Vi har bara läst en grundläggande kurs i reglerteknik och har t.ex aldrig hört talas om fouriertransformer tidigare, vilket innebär att myckat av den tid jag lagt på kursen har gått åt till att försöka förstå de grundläggande sakerna» (No, the goals are set too high)
- to much to learn» (No, the goals are set too high)

5. Did the examination assess whether you have reached the goals?

42 svarande

No, not at all»8 19%
To some extent»16 38%
Yes, definitely»5 11%
I don"t know/have not been examined yet»13 30%

Genomsnitt: 2.54

- Have not taken the exam yet.» (?)
- How can you make an exam where every exercise is harder than any exercice have been during the course including both the tutorials and the lectures?» (No, not at all)
- The exam was made by another teacher which has nothing to do with the exam at all. 10 % of the exam was rekognizeable from class and the book. The exam also contained of moments that was not telled by the goals.» (No, not at all)
- Too diifucult, we didn"t get enough training i.e distubarnces.» (No, not at all)
- To hard» (No, not at all)
- The second exam did not reflect the course goals at all!» (No, not at all)
- Harder than excersises and the test examination. Should have had an option to the fluid system (mechanic or electric for example) since not everyone is used to working with these systems.» (To some extent)
- The exam was crazy to but it blunt. Very hard, and some parts weren"t even mentioned in the book or the slides (coupling, worth 3p!) The pointsystem with low points and zero points when you do womething wrong makes it extra hard.» (To some extent)
- The hard part of the examination where really similiar to the hard parts in the Model & simulation course. That is, it did not test my understanding of control i.e. how to use LQ, LQG and to tune different kinds of controllers.» (To some extent)
- Svårt att veta innan jag fått resultatet.» (I don"t know/have not been examined yet)

Teaching and course administration

6. To what extent has the teaching been of help for your learning?

47 svarande

Small extent»2 4%
Some extent»28 59%
Large extent»15 31%
Great extent»2 4%

Genomsnitt: 2.36

- I did not attend so many classes.» (Small extent)
- Messy lectures with a lot of interruptions all the time. The tutorials have been ok.» (Small extent)
- The teacher has missled us with wrong information according to the exam.» (Some extent)
- good teacher» (Large extent)
- The classes helped a lot on some occations, but often you had your hands full taking notes. More illustrations of how things work instead of algebrahic expressions, plz.» (Large extent)
- I really liked Martins tutorials.» (Large extent)

7. To what extent has the the course literature and other material been of help for your learning?

47 svarande

Small extent»7 14%
Some extent»26 55%
Large extent»12 25%
Great extent»2 4%

Genomsnitt: 2.19

- Den är alldeles för dyr. Jag har inte haft råd att köpa någon bok.» (Small extent)
- Hard to understand the textbook...» (Small extent)
- The course book takes up different things than the teacher talks about. The course book is hard to read because of lack of structure and examples. The assignments in the book is impossible to identify with the exam assignments.» (Small extent)
- The course literature could be chosen among the other very famous world wide texts. This book was to a large extent vague in some parts as the student cannot understand what"s going on in that part, namely, the author has said something out of the blue without saying anything about its origin or its proof. Furtheremore, this course should be more mathematical based specially in stability issues. I have to say that this text is not very useful to be used as a course text.» (Some extent)
- Hard to read the course book. Could be a better one. » (Some extent)
- It wasn"t easy navigating the book, but after a while you got a grip of the structure.» (Some extent)
- Alldeles för dyr bok dock. Det känns inte så kul att lägga 700 kronor på en bok man inte har någon nytta av i någon annan kurs...» (Some extent)
- Book was Ok, but the extra exercises were too difficult» (Some extent)
- I like that Åström tries to give a mathematical approch to control. But if you have not studied Complex analysis and Stocastic processes it does only make the course more confusing.» (Some extent)

8. How well did the course administration, web page, handouts etc work?

48 svarande

Very badly»0 0%
Rather badly»7 14%
Rather well»31 64%
Very well»10 20%

Genomsnitt: 3.06

- in time and understandable. the pre-lab project was very bad as an pre project for the lab. good lab though lack of time. » (Rather badly)
- Ganska rörigt om vilka som skulle göra tentan och när.» (Rather badly)
- Det är bra om PP-slides kommer ut före föreläsningar så de går att skriva i dom på föreläsningen.» (Rather well)
- Try to put the slides on the web page before the lecture. Then it will be possible to print them and make notes.» (Rather well)

Study climate

9. How were the opportunities for asking questions and getting help?

48 svarande

Very poor»1 2%
Rather poor»9 18%
Rather good»23 47%
Very good»14 29%
I did not seek help»1 2%

Genomsnitt: 3.1

- Räknaövningar vore bra!» (Very poor)
- Try to move the consultation time. I needed my lunch break on wednesdays before four hours of digital control.» (Rather poor)
- Better with "calculation"-session instead of demonstration-sesssions» (Rather poor)
- Att bara ha hjälptid på onsdag lunch, precis innan vi har fyra timmars lektion, känns inte som särskillt välplanerat. Med tanke på arbetsbördan i den här kursen hade det varit till stor hjälp att ha räknestugor eller någonting liknande då man kunde få sitta i en sal och räkna med tillgång till en lärare som kunde svara på frågor. På så sätt skulle man slippa sitta overksam i korridoren och vänta på sin tur, samtidigt som jag tror att väldigt många fler skulle söka lärarhjälp och på så sätt lära sig kursen bättre.» (Rather poor)
- Could only ask at exercise session and they couldn"t answer the questrions good enough» (Rather poor)
- You could always ask at the different occasions, but there were no hours for consultation.» (Rather good)
- the co-teachers was very helpful.» (Rather good)
- There where to few opportunities to ask questions in the course. The teachers involved where really helpfull but they where to few.» (Rather good)
- The teacher was really experienced in practical issues and could answer all practical questions with a high quality response.» (Very good)

10. How well has cooperation between you and your fellow students worked?

48 svarande

Very poorly»0 0%
Rather poorly»3 6%
Rather well»20 41%
Very well»25 52%
I did not seek cooperation»0 0%

Genomsnitt: 3.45

- Good that the studyportals "group-choosing-function" was used.» (Rather well)

11. How was the course workload?

47 svarande

Too low»0 0%
Low»2 4%
Adequate»20 42%
High»21 44%
Too high»4 8%

Genomsnitt: 3.57

- The tasks were difficult, especially in the booklet.» (High)
- There was a lot of stuff and a lot of hard-to-grasp things. You understand how it works, but can"t use the different methods together.» (High)
- kan dock bero på att jag inte hade de rätta förkunskaperna. Hade varit bra att gå ut med dem lite tydligare, för på pappret har jag de rätta förkunskaperna trots att de flesta andra verkar ha läst flera viktiga kurser vi inte haft i vår grundutbildning.» (Too high)
- too much to learn and difficult» (Too high)

12. How was the total workload this study period?

47 svarande

Too low»0 0%
Low»2 4%
Adequate»14 29%
High»18 38%
Too high»13 27%

Genomsnitt: 3.89

- SOPS had a bit lower workload with easier-to-grasp info, so it wen"t ok.» (Adequate)
- I also had a lot of other things to do, so in total it was a very high workload. That didn´,t depend on the courses though.» (High)
- All time consuming parts of the courses was concentrated to studyweek 4 - 8!» (High)
- As I said before, I put a lot of time on the other course that wasn"t useful at all.» (Too high)
- extreamly high» (Too high)
- Very high!!!» (Too high)
- had a project course» (Too high)

Summarizing questions

13. What is your general impression of the course?

48 svarande

Poor»3 6%
Fair»7 14%
Adequate»21 43%
Good»17 35%
Excellent»0 0%

Genomsnitt: 3.08

- As mentioned above: messy lectures and an exam that you wonder if the lecturer really have done it himself. And why give out an testexam that is 10 times easier than the real one?» (Poor)
- This course was badly planned, administrated and had a katastrofical exam. » (Poor)
- Really didn"t understand what it was all about.» (Fair)
- As a student it was really hard to understand the focuses in the course until after the exam.» (Fair)
- The lectures are not giving that much.» (Adequate)
- OK course, good admin, tough exam.» (Adequate)
- det är en intressant kurs, men det vore bra att verklighetsanknyta den lite mer. Det känns som jag missat en hel del om vad det har för användningsområden ute i industrin.» (Good)

14. What should definitely be preserved to next year?

- Teacher, book, and lab.»
- Dr. Torsten Wik.»
- The good mood of the lecturer»
- the teacher»
- The tutorials were ok.»
- co-teachers»
- Torsten»
- exercises»
- The robot lab»
- Make clearer goals, »
- Give more example related with all student backgrounds....»
- Torsten Wik»
- the teacher »
- Many solved examples on the tutorials and in the lecture. A relaxed atmosphere in the lectures. I really like the "acting" by the blackboard.»
- The laboration & the happiness of the lecturer»
- The Laboration»
- The handin wasm"t wery good. We had to know things that we were to learn weeks later when we did it.»
- hm..the course sheet...maybe can be earlier to put in the student portal»

15. What should definitely be changed to next year?

- Laborationen är helt oförståelig för kemister.»
- Possibly one extra lab.»
- The course literature.»
- Get another course book! The lectures were hard, and you can only fall back on the coursebook, which in this case wasn"t easy since it was really bad.»
- The preperation to the lab!»
- More focus on understanding the theory during exercises, instead of solving as many problem as possible. »
- Better structure on the lectures!»
- The lab was hard when it was early, as you hadn"t learned all the things yet. The exam shouldn"t be as tough, coupling shouldn"t be on the exam, or it should had been in the slides! If you weren"t on that specific lecture, you couldn"t stand a chance. »
- more labbs, on exame»
- almost Everything, Switch teacher, switch course book, make and understandable and fair exam. Switch the pre lab project.»
- Lärarledda räkneövningar behövs. Laborationen kändes inte särskillt givande och inlämningsuppgiften inför labben var katastrofalt dålig. Vi la över en veckas arbete, varenda kväll, på att försöka få den färdig, vilket innebar att vi kom väldigt långt efter med resten. Dessutom gicks den inte igenom ordentligt på labbtillfället.»
- The laboratory should be about a topic for which we all have the same background. »
- One more lab»
- The course literature! »
- ---better exercises and know rhat to study on»
- the home assignment.. very bad english and it was difficult to understand what we should do»
- Labb session, should be shorter»
- the course book, exam and the course memo»
- Better organization! Try to present the same information about the exam etc. not only on the lectures but aswell on the homepage.»
- Corrected notes, so that Torsten writes the correct things at once, otherwise it is too difficult to follow. (Since it was first time it is forgiven)»
- The handin wasm"t wery good. We had to know things that we were to learn weeks later when we did it.»
- the course material...don"t always use electrical languages..because its hard for the other background to understand»

16. Additional comments

- Very expensive course litterature. It was also of very poor quality. Finding new course literature should be a priority.»
- It should be strictly forbidden that the examinator doesnt make the exam. Introducing a new teacher who does the exam without informating the students is outrageous. Switch teacher for next year. The teacher didnt know his subject or the course plan and calculated assignments wrongly every lesson.»
- i would suggest that the lecturer prepare the classes with more advance so he can be sure the information presented does not have any error»
- the course really difficult for non-electrical background»

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