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Electric Drives II, ENM075, MPEPO, VT2008, ENM075

Status: Avslutad
Öppen för svar: 2008-03-10 - 2008-04-06
Antal svar: 23
Procent av deltagarna som svarat: 58%
Kontaktperson: Jörgen Blennow»
Utbildningsprogram som genomför enkäten: Chalmers
Utbildningsprogram studenten tillhör: Elektroteknik 300 hp

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.

22 svarande

At most 15 hours/week»0 0%
Around 20 hours/week»0 0%
Around 25 hours/week»8 36%
Around 30 hours/week»4 18%
At least 35 hours/week»10 45%

Genomsnitt: 4.09

- We had to spend too much time with the project» (At least 35 hours/week)
- This course demand the whole time from Lectures, projects and tutorials. I will advice students to register it alone for the quater» (At least 35 hours/week)
- even much more» (At least 35 hours/week)
- The project took a lot of time - much more than expected!» (At least 35 hours/week)
- more than 35» (At least 35 hours/week)

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

22 svarande

0%»0 0%
25%»0 0%
50%»3 13%
75%»1 4%
100%»18 81%

Genomsnitt: 4.68

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?

22 svarande

I have not seen/read the goals»4 18%
The goals are difficult to understand»1 4%
The goals give some guidance, but could be clearer»7 31%
The goals clearly describe what I am supposed to learn»10 45%

Genomsnitt: 3.04

- Don"t remember.» (I have not seen/read the goals)
- good» (The goals clearly describe what I am supposed to learn)

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.

18 svarande

No, the goals are set too low»0 0%
Yes, the goals seem reasonable»16 88%
No, the goals are set too high»2 11%

Genomsnitt: 2.11

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

19 svarande

No, not at all»0 0%
To some extent»4 21%
Yes, definitely»11 57%
I don"t know/have not been examined yet»4 21%

Genomsnitt: 3

- Good exam » (To some extent)

Teaching and course administration

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

22 svarande

Small extent»0 0%
Some extent»0 0%
Large extent»12 54%
Great extent»10 45%

Genomsnitt: 3.45

- I stayed in the course because I appreciate the style of the lecturer. Stefan handles everything well and made us to dedicate most of our time to the course» (Great extent)
- best teacher I ever had!» (Great extent)

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

22 svarande

Small extent»2 9%
Some extent»10 45%
Large extent»7 31%
Great extent»3 13%

Genomsnitt: 2.5

- The compendium is to difficult to read but in other hand the hand outs of lectures was a good thing.» (Small extent)
- Unfortunately the course compendium is not fulfilling my need for backgroud material on this subject.» (Some extent)
- really there is a lack of reference there is one compandium which very difficult to understand so we were dependent on lecture slides only.» (Some extent)
- The recommended compendium is quite to difficult to be understood and is not good..» (Large extent)

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

22 svarande

Very badly»0 0%
Rather badly»1 4%
Rather well»9 40%
Very well»12 54%

Genomsnitt: 3.5

- there are frequently error in handouts» (Rather badly)
- The lecurer didn"t keep his promise of handing out material on the webpage in the promised time-frame at some times.» (Rather well)

9. Was it a good approach to have a mix of lectures, tutorials, lab and projects?

21 svarande

Yes, but I want less lectures and tutorials and more project»0 0%
Yes, the mix is good as it is»15 71%
No, more lectures & tutorials and less projects»6 28%

Genomsnitt: 2.28

- The simulink work took too much time. I think the course covered a too large area. I didn"t have time to learn as much as I would"ve wanted. The lectures the first week was too advanced. The majority af the students were far behind during the entire course.» (?)
- Yes it is a great way of imparting knowledge» (Yes, the mix is good as it is)
- but the main problem is that people kill much time trying to troubleshoot Matlab errors rather than understanding the subject itself..» (Yes, the mix is good as it is)
- But to hand out an assignment the last week is not good. If you feel the need to have 7 assignments then they should be well prepered and handed out to the students earlyer then the last week!» (Yes, the mix is good as it is)
- The project is good, it helps us understand well but it takes too much time, so that there should be some part of grade for it!» (No, more lectures & tutorials and less projects)
- The amount of lectures and tutorials was good. But it feels like the information on the lecture was heavy. The project work took way too much time. Just programming each assignment and make it work could take one to a few days. Very frustrating. » (No, more lectures & tutorials and less projects)
- The projects was very demanding!!!» (No, more lectures & tutorials and less projects)
- In my opinion it would be better to have a theoretical lead before starting the project and then in a way check/prove this theoretical knowledge. Interestingly, I just have the feeling that after completing the course and studying for the exam I am now at a point to understand what we were doing and that I am now ready to start a (even more difficult) project about IM drives. But now the course is finished...» (No, more lectures & tutorials and less projects)
- It was quite heavy to have seven such projects in eight weeks, but they were very interesting!» (No, more lectures & tutorials and less projects)

10. Were the first week with lectures, tutorial, lab and project too tough causing you to fall behind

22 svarande

Yes, it was too much to do»10 45%
Yes, it was, but most time was spent on learning Matlab»6 27%
No, it was tough but still OK»6 27%
No»0 0%

Genomsnitt: 1.81

- the first assignment was large» (Yes, it was too much to do)
- We (swedish students) have never had a course in Matlab. Not even an introductory.. So it"s always difficult in the beginning each time we are to use the program.» (Yes, it was too much to do)
- I think it is a bad idee to put a laboration the day after we started after holiday since there was homeassignment to do.» (No, it was tough but still OK)
- The provided theory is needed to manage the work that is going to be done later in the course» (No, it was tough but still OK)
- I think it was good to get started immediately, but maybe the first project could be a little bit smaller so that the students do not fall behind that far. And some more help for the home assignments for the first project.» (No, it was tough but still OK)

11. If the work load from the lab and project is reduced for the first week, I would have more time for the other project tasks

21 svarande

Yes, I could not spend so much time on the other projects»3 14%
Yes, but I was in phase in the end»9 42%
Yes, then the work load would be more even»6 28%
No»3 14%

Genomsnitt: 2.42

- It is correct that the first week"s lectures was too advanced and quick and the first project assignment took too much time. Help the students to get through the first project assignment and lab assignment in class (after the lab).» (?)
- I was in phase in the end but then I spent too much time on this course compared to the credits, especially in the start of the course.» (Yes, but I was in phase in the end)
- And also better instructions of the assignments so the programming becomes easier. Perhaps more prepared code in the end, like in assign 7. » (Yes, then the work load would be more even)
- I think that it was very good as it was now with the lab and assignments. » ( No)
- it is okay as it was » ( No)

12. Should more of the projects be prepared as project 7, please comment.

21 svarande

Yes all, I didn"t learn anything of Simul./Matl. implement.»0 0%
Yes, but only some of the last projects»13 61%
No»8 38%

Genomsnitt: 2.38

- Maybe something like it but in the same time it was good learning to work with the coding. But it was too big, it was difficult to get an overview..» (?)
- It is good to let us do everything but we also need time to study other courses» (Yes, but only some of the last projects)
- Maybe we can do 3-4 projects ourselves over longer time than a week, and then just look at graphs or something of other assignments. Then there should not be any assignments in study week 7.» (Yes, but only some of the last projects)
- it is good to learn how to inplement things in simulink, but when you have done it three four projects you get a pretty good grip of it, so the last two three projects can be more prepared. A common scenario was to spend lot´,s and lot´,s of hours searching for errors, which most often was that you have typed something wrong or forgot something and that was frustrating and very time consuming.» (Yes, but only some of the last projects)
- I think it was very good to use Simulink and Matlab, I also think it helped in understanding and learning the different parts of the drive system. But maybe the last two or three projects could be prepared as in project 7. » (Yes, but only some of the last projects)
- As the work-load was too heavy maybe this is a good idea. Though it"s a good way of learning the way we did on the first project-tasks.» (Yes, but only some of the last projects)
- I think it was very good as it was now that project 7 was prepared but that we had to implement the first 6 projects.» (No)
- cause with this project, i can study intensive about Matlab and electric drive operation more clearly» (No)
- The other assignments was enough so peronally I think assignment 7 was unnessecery!!!!!!!!!!! So much to do anyway» (No)
- This approach gives a good understanding. But assignment 7 is needed to be prepared otherwise its not possible to finish the project in time» (No)
- i completely disagree if so we dont learn that was the only time we really digest simulink as the load is high it was good to have project 7 ready but still others we do ourselves. that is great. leave us to do it » (No)
- I appreciate having to do almost everything on our own but maybe there should me more guidance at least in the beginning because not everybody was familiar enough with Matlab.» (No)

13. Is it some project/s that you think is not relevant/so important for this course and should be removed/changed, please give comments?

23 svarande

(på denna fråga var det möjligt att välja flera svarsalternativ)

Project 1, Induction machine»0 0%
Project 2, Current controller»0 0%
Project 3, Current model flux estimator and speed controller»0 0%
Project 4, PMSM»5 21%
Project 5, Voltage model flux estimator»0 0%
Project 6, Field weakening»2 8%
Project 7, Digital control»4 17%

- they are all intresting, but they should not be this time consuming. Now I didn"t practice enough for the exam on the turorials and stuff like that, which are the only thing that will decide my grade on the course by the exam. So... If the projects are to take this much time, they should be a part of the grade somehow. Right now it feels like I wasted my time on them.» ()
- They are very relevant because i dont know it before the course» ()
- I think the content is ok» ()
- all are very much related to the course. the course was done in an interesting way.(lecture, tutorial, then lab) it was all fine » ()
- no» ()
- Maybe this project could be removed in order to give more time to the other projects. » (Project 7, Digital control)
- I think that all of the tasks where good in their own way, it"s hard to leave one out.» ()
- It was confusing to use another machine all of sudden and the later go back to the first machine again» (Project 4, PMSM)
- Not sure about 6 and seven, the may be interesting if you have gone through the rest but in total it"s too much.» (Project 4, PMSM, Project 6, Field weakening, Project 7, Digital control)

14. Is it some project task that is missing?

- I don"t know.»
- None»
- maybe you can add project about position controller»
- Maybe it would be fine if there were a task involving a real converter, to improve understanding»
- as to the lecture, the projects completely represent what should be done on the project. well done. i dont think there is anything missing»
- IMHO a task about 3phase inverters would be interesting, too, but I guess that would blow the schedule completely...»
- no»

Study climate

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

22 svarande

Very poor»0 0%
Rather poor»0 0%
Rather good»2 9%
Very good»20 90%
I did not seek help»0 0%

Genomsnitt: 3.9

- Stefan had always answers to our questions but Johan and Julia could prepare themselves better.» (Rather good)
- Stefan really knows this subject and he is good at explaining and seam to have good patiance with us.» (Very good)
- Stefan and Johan were very helpful. But in the end I found out that it was better to ask Stefan since he was more careful and really checked what you had done in the different projects, so it was more likely that he would found something that we had done wrong or misunderstood than Johan. He took more time checking and asking questions to us. » (Very good)
- Stefan and Johan was very helpful and in particular Stefan was very patient and good at explaining.» (Very good)

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

22 svarande

Very poorly»0 0%
Rather poorly»2 9%
Rather well»2 9%
Very well»18 81%
I did not seek cooperation»0 0%

Genomsnitt: 3.72

- I tended to do much of the work myself. But on the other hand I want to be apart of the whole process so... I can"t blame anybody else.» (Rather poorly)
- We had to help eachother to get through all problems in simulink.» (Very well)

17. How was the course workload?

22 svarande

Too low»0 0%
Low»0 0%
Adequate»2 9%
High»10 45%
Too high»10 45%

Genomsnitt: 4.36

- due to the programming of the projects. Also the analysis took a long time.» (High)
- The number of assignments is too much compared with limited time of the quarter» (Too high)
- The project tasks did take too much time and took time from the other course. I must also say that the work-load is too heavy compared to the number of credits.» (Too high)

18. How was the total workload this study period?

22 svarande

Too low»0 0%
Low»0 0%
Adequate»4 18%
High»11 50%
Too high»7 31%

Genomsnitt: 4.13

- Fortunately, there was less to do for PSO than EDII so we could put all our time and effort into this project.» (High)
- I didn"t spend that much time on the Power System Operation since Drives II took so much time.» (High)
- Too much time is spent in the project work» (Too high)
- Mostly because of this course.» (Too high)
- I took this course and a course from the third year. This one was the one with too high workload.» (Too high)

Summarizing questions

19. What is your general impression of the course?

22 svarande

Poor»0 0%
Fair»0 0%
Adequate»1 4%
Good»14 63%
Excellent»7 31%

Genomsnitt: 4.27

- Very good course but too high workload» (Good)
- It would have been excellent if the work load had been a little bit lower.» (Good)
- But too time consuming and (omfattande). » (Good)
- We need to review some of the published journals in this field to make the course more like a postgraduate course» (Excellent)
- I have never learned so much during a course as this one» (Excellent)

20. What should definitely be preserved to next year?

- Projects»
- Less projects our selves»
- Everything»
- everything»
- Stefan»
- Stefan as a lecturer and tutor. A very good teacher.»
- project assigments»
- Computer labs, maybe in some shortened extent.»
- Stefan»

21. What should definitely be changed to next year?

- Reduce project workload»
- Both tutors of the assignments should be good at the subject.»
- nothing»
- No assignment the last week before exam (v.7)»
- Please correct misprints and "copy/paste" errors to preserve a good reputation»
- The compendium should be changed...I suggest to have Chalmers-produced compendium written by the lecturer. It is very important to discuss the switched relutance machine drive (either in Drive I or II) in more details because it is a hot research issue nowdays. Finally I do suggest also to offer the course of Drive I after taking the Power Electronics Converters..This gives good chance to understand the switched reluctance and dc machine drives properly.»
- nothing»
- Less typing (copy&paste) errors and a consistent notation please!»
- maybe a slower start and some more preparations of the last two three projects»
- handouts should be corrected and more clearer»
- The workload for the labs, if the course still shall have the same credits.»
- Less work with each project. And less projects.»
- The lectures in the first week and the first Proj ass.»

22. Additional comments

- In my openion this course should not be optional. It is good intoduction for more serious academic work in the subject area»
- Interesting course»
- Instead of having every thing as simulation I do suggest to have some calculative parts.»
- course literature, the one we have is not easy to read and understand. something if there is a solution. »

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