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Introduction to discrete event systems, SSY165, HT2008

Status: Avslutad
Öppen för svar: 2008-10-13 - 2008-10-27
Antal svar: 32
Procent av deltagarna som svarat: 46%
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.

32 svarande

At most 15 hours/week»14 43%
Around 20 hours/week»11 34%
Around 25 hours/week»3 9%
Around 30 hours/week»2 6%
At least 35 hours/week»2 6%

Genomsnitt: 1.96

- I had 3 courses this period» (At most 15 hours/week)
- This course did not require much studying.» (At most 15 hours/week)
- Because of the god lectures i didnt have to study that much at home. In the course ESS101 it wasent even worth the time to go to the lectures which ment i hade to read everything from the book which took a loot of my time.» (Around 20 hours/week)

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

32 svarande

0%»1 3%
25%»0 0%
50%»0 0%
75%»7 21%
100%»24 75%

Genomsnitt: 4.65

- Good lectures» (100%)
- exelent teacher» (100%)
- exept a few exercises that collided with exercises in an other course that I had to go to.» (100%)
- Very good lectures, the problem solving coult be better with more examples.» (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?

32 svarande

I have not seen/read the goals»6 18%
The goals are difficult to understand»0 0%
The goals give some guidance, but could be clearer»4 12%
The goals clearly describe what I am supposed to learn»22 68%

Genomsnitt: 3.31

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.

29 svarande

No, the goals are set too low»5 17%
Yes, the goals seem reasonable»24 82%
No, the goals are set too high»0 0%

Genomsnitt: 1.82

- The last year exam was supposedly considered too easy. I do not believe that was a problem with the exam, but the course being too easy (scarce).» (No, the goals are set too low)

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

29 svarande

No, not at all»0 0%
To some extent»4 13%
Yes, definitely»17 58%
I don"t know/have not been examined yet»8 27%

Genomsnitt: 3.13

- A litle to much of "proof" excercises.» (To some extent)

Teaching and course administration

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

32 svarande

Small extent»0 0%
Some extent»2 6%
Large extent»8 25%
Great extent»22 68%

Genomsnitt: 3.62

- Very good lectures!» (Great extent)
- educational and very open minded, Always takes time to answer questions and has a way of making hard things easy to learn.» (Great extent)
- Very good teacher!! very clear, enthusiastic, perceptive, good "blackboard skills", writing down a summary of all the important things he says.» (Great extent)
- If you go to all the lectures, there"s no problem passing the course. The lectures where very easy to understand. Maybe they where too clear sometimes, on the verge to booring. I don"t think the lecturer should have to spend so much time repeating previous lectures. That"s our responsibility.» (Great extent)

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

32 svarande

Small extent»1 3%
Some extent»6 18%
Large extent»17 53%
Great extent»8 25%

Genomsnitt: 3

- It would have been good to have the material before the lectures in order to bo able to prepare, but it is understandable as there is not yet a ready course book.» (Some extent)
- It was great to have pre-written lecture notes. That way you did not have to choose between listening or taking notes at the lectures. The notes where like a (short) book, but written specifically for this course. However, it did not provide anything additional, nor hints to additional litterature.» (Some extent)
- Because of the good lectures i didnt read all of the literature but the most of it and i found it was good.» (Large extent)
- Sometimes the excercises were confusing even after reading the litterature and reading the solution to the problem was required in order to understand.» (Large extent)

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

32 svarande

Very badly»0 0%
Rather badly»0 0%
Rather well»17 53%
Very well»15 46%

Genomsnitt: 3.46

- Solutions to last years exam was never posted (even tough it wasn"t really needed)» (Rather well)
- It would have been better if the paper for every session had been available before the session.» (Rather well)
- Even though handouts were given during lectures it would have been nice if they had been uploaded on the web page continuously as well. Not just in the last week. » (Rather well)
- It would"ve been even better if we"d gotten the lecture notes before the lectures. Otherwise they loose some of their purpose.» (Rather well)
- No solutions to the old exam was available.» (Rather well)
- Good that the examinator could be flexible with the hand-in dealines.» (Very well)
- no problems.» (Very well)
- I missed the solutions to last year exam» (Very well)

Study climate

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

32 svarande

Very poor»0 0%
Rather poor»1 3%
Rather good»6 18%
Very good»20 62%
I did not seek help»5 15%

Genomsnitt: 3.9

- Few problem solving sessions, compared to the other course I followed (modelling and simulation)» (Rather good)
- The teacher was open minded and answeard all questions, even if they were "stupid" or easy.» (Very good)
- There wheren"t many exercise sessions, but they where enough for the amount of contents in the course.» (Very good)

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

32 svarande

Very poorly»1 3%
Rather poorly»1 3%
Rather well»3 9%
Very well»25 78%
I did not seek cooperation»2 6%

Genomsnitt: 3.81

11. How was the course workload?

32 svarande

Too low»1 3%
Low»10 31%
Adequate»20 62%
High»1 3%
Too high»0 0%

Genomsnitt: 2.65

- You could have gone through more during this course» (Low)
- The contents of the course could be extended.» (Low)

12. How was the total workload this study period?

32 svarande

Too low»0 0%
Low»2 6%
Adequate»19 59%
High»8 25%
Too high»3 9%

Genomsnitt: 3.37

- The other course (Modelling and Simulation) required A LOT of work.» (High)
- But I took 3 courses» (Too high)

Summarizing questions

13. What is your general impression of the course?

32 svarande

Poor»0 0%
Fair»0 0%
Adequate»3 9%
Good»18 56%
Excellent»11 34%

Genomsnitt: 4.25

- Since the goals were set very low it sometimes became boring, specially when it seemed like Bengt always went through the same thing over and over again (even if he just wanted to make sure that everyone understood)» (Adequate)
- Very good course. More topics could have been included.» (Good)
- Very interesting subject, tempo could have been higher.» (Good)
- maybe somewhat to simple course» (Good)
- How used is automatas outside chalmers?!» (Good)
- Interesting topic. Clearly presented. Abstract: I"m still unsure about how to use the methods in practice. Enthusiastic lecturer. It was one of those courses where you feel like you"re playing. Maybe that was because we got to draw the cute automata pictures.» (Good)
- great teacher» (Excellent)
- One of the best courses!» (Excellent)
- Thanks to the teachers enthusiasm and the good structure of the cource.» (Excellent)

14. What should definitely be preserved to next year?

- ALL»
- teacher :)»
- The two hand in assignments»
- The very good hand-ins»
- The teacher »
- Everything»
- Bengt, Tord and Alexey =)»
- The lab is great.»
- The teacher!!! I think you should not change any thing to next year. I say preserve everything. This is a good course.»
- The reading material, the lab (maby some more lab sessions), the exersices.»
- The lab is good, but exactly the same as in a previouse course at chalmers, with is bad! Extend/change the lab»
- The lecture notes where great.»

15. What should definitely be changed to next year?

- extend the course.»
- nothing I belive»
- Hand out the lecture notes earlier so that they can be studied before the lecture »
- There should be a short session to introduce Supremica»
- A course book would be nice»
- More labs»
- Even if it"s an introduction course i wish it could go deeper. The workload is very low so I suggest that you extend this course next year.»
- Maybe speed things up so theres time to cover time-optimization, unobservable states and such to a greater extent»
- don"t spend too much time on repeating everything. Teach more knew things instead!!!»
- Nothing special»
- Hard to say. Maybe extra home assignment were algorithms (Reachability, SafeStateSynthesis etc) are implemented and applied on large systems (were it is hard to do it visually) using e.g Matlab. »
- I cant actualy think of anything to change.»
- Connect more real, simple examples to the automaton insted of only using p1,p2,p3... and a,b,c,... More easy to understad things like uncontrolled transision...»
- The solutions to the exercises have a lot of errors.»
- nothing»
- I don"t really see why the logics has to be treated so rigoriously. The connection between theory and practice ought to be made clearer, unless that is considered in another course. The lab was exactly the same as the earlier course Industrial Automation (Z). We tried to prepare the lab using the new theory from this course, by modelling the process with automata and generating a suitable controller with automata, before writing the SFC-code. But we found that task overwhelming and concluded that we where probably not meant to do this. We did however learn a lot when trying. I suggest that the lab is further developed to make use of the theory from this course to a greater extent.»

16. Additional comments

- may be some more info on the PLC programing in advance, but its maybe that I just never did this before»
- Nice to have a teacher that seems to both like teaching AND what he teaches»
- Its nice to get a course which is interesting and with a exelent teacher and good literature.»
- Maby some more practical work, implementing what we learn in some more lab sessions or use some type of simulator to test and visualize the behavior of a system that we have implemented a supervisor in.»
- Bent Lenartsson is a very good teacher! One of few at chalmers! great!»
- The whole course was great (including the teaching assistants, the laboratory and especially Bengt Lennartson as the teacher)»
- I think there should"ve been a little more on implementation: how you model with automata, make specifications, make a controller/supervisor, and finally implement them. The connection between these steps could be made clearer. All the examples in the course were very simple. But how do you handle real, big, complex problems? We where overwhelmed just by trying to model the the lab process and create a controller for this with automata. At least some hints would"ve been interesting.»

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