gateway to space asen / astr 2500

Gateway To SpaceASEN / ASTR 2500

3

PID Control LawPID Control Law

• Proportional, Integral, Derivative (PID)– Used to control single axis

• One PID controller for each axis

Kd

Kp

err

err

cmd

Kiierr

err = rate error

err = attitude error

ierr = integrated attitude error

Limiter Att Gain Integrator Limiter Int Att Gain

Rate Gain ++

+

4

-1

-0.75

-0.5

-0.25

0

0.25

0.5

0.75

1

0 10 20 30 40 50 60

Time (sec)

Att

itude

Err

or (D

eg)

No Damping Lightly Damped Heavily Damped

PID Control Law Response TimesPID Control Law Response Times

Zero Rate Gain = No Damping

Small Rate Gain = Light Damping

Large Rate Gain = Heavy Damping

5

DATADATA

6

Colorado Space Grant ConsortiumColorado Space Grant Consortium

Gateway To SpaceASEN / ASTR 2500

Class #1

Gateway To SpaceASEN / ASTR 2500

Class #1

TodayToday

- Introductions- Introductions

-- What to expect from this courseWhat to expect from this course

- Format for this course- Format for this course

- ““How to get an A”How to get an A”

- Pictures- Pictures

Class Size

Who’s out there?

What this class

takes…

How was the first day?

Space?

Space Clip

Introductions

Who is this Guy?Who is this Guy?

Who is this Guy?Who is this Guy?

Who is this Guy?Who is this Guy?

What Experience Do You Have?What Experience Do You Have?

Intern at BallIntern at Ballsummer of 1991summer of 1991

Worked with Worked with Bob PoleyBob Poley

Worked on Worked on RADARSATRADARSAT

Graduated from CU in Graduated from CU in December 1992 with B.S. December 1992 with B.S. in Aerospace Engineeringin Aerospace Engineering

Graduated from CU in Graduated from CU in December 1994 with M.S. December 1994 with M.S. in Mechanical in Mechanical EngineeringEngineering

Who is this Guy?Who is this Guy?

What Did You Do After College?What Did You Do After College?

Worked at Lockeed Martin from Worked at Lockeed Martin from March 1995 until May 2000March 1995 until May 2000

What Did You Do At Martin?What Did You Do At Martin?

- Classified satellite- Classified satellite- 1,000 people on program- 1,000 people on program- Youngest - Youngest - Reaction Control System - Reaction Control System Mechanical Design LeadMechanical Design Lead- Design done in IDEAS - Design done in IDEAS - Released over 100 - Released over 100 engineering drawingsengineering drawings

- Supervised manufacture, assembly, integration and - Supervised manufacture, assembly, integration and test for 5 satellite buildstest for 5 satellite builds- Last two years, Mechanical Design Lead for the - Last two years, Mechanical Design Lead for the Antenna systemsAntenna systems

- Also worked on Stardust and Genesis - Also worked on Stardust and Genesis

- Worked with many different disciplines and people- Worked with many different disciplines and people

What Did You Do At Martin?What Did You Do At Martin?

Why Did You Leave?Why Did You Leave?

- Many reasons- Many reasons

1. Coming back here was a great opportunity1. Coming back here was a great opportunity

2. Pictures on the wall2. Pictures on the wall

3. Mentor3. Mentor

4. Change4. Change

Students Statewide:Students Statewide:

Pueblo Community CollegePueblo Community CollegePuebloPueblo

Trinidad State Junior CollegeTrinidad State Junior CollegeTrinidadTrinidad

Community College of DenverCommunity College of DenverDenverDenver

Community College of AuroraCommunity College of AuroraAuroraAurora

Vision:Vision:

Providing a diverse group of Colorado students with experiences in space to prepare them for our Nation’s future space programs

Providing a diverse group of Colorado students with experiences in space to prepare them for our Nation’s future space programs

COSGC = Workforce Development

Start Here…Start Here…

Student Training and ManagementStudent Training and Management

Weaknesses:Weaknesses:

- a

s:

- a

s:

Kit Concept:Kit Concept:

Kit Concept:Kit Concept:

RocketSat IV:

- Highest greenhouse gas measurement- The tubing is vacated at apogee- Air is forced into the tube, compresses, and remains in

the order that it was sampled- Sample is analyzed using laser analyzer after the flight

Air

- a

s:

- a

s:

Kit Concept:Kit Concept:

Kit Concept:Kit Concept:

Kit Concept:Kit Concept:

Who is this Guy?Who is this Guy?

Who is this Guy?Who is this Guy?

Who is this Guy?Who is this Guy?

Who is this Guy?Who is this Guy?

I love to laughI love to laugh

Who is this Guy?Who is this Guy?

I love to readI love to read

Who is this Guy?Who is this Guy?

I love to writeI love to write

Who is this Guy?Who is this Guy?

I love to play video gamesI love to play video games

Who is this Guy?Who is this Guy?

I love to make videosI love to make videos

Who is this Guy?Who is this Guy?

I love to play guitarI love to play guitar

Who is this Guy?Who is this Guy?

I love spaceI love space

- 10 large satellites- 10 large satellites- 5 small satellites- 5 small satellites- 57 rocket payloads- 57 rocket payloads- 986 BalloonSats- 986 BalloonSats

Who is this Guy?Who is this Guy?

3926642607171315220551

Who is this Guy?Who is this Guy?

39 My age26 The age I feel6 Hours I get to sleep a night42 Hours I get to sleep a week60 Average number hours I work a week7 Hours per week I am paid to teach this course17 Average hours per week I actually spend on class13 Times I have taught this course152 Emails I get each day20 Emails I respond to each day55 You1 Me

I live in Arvada, 2 miles east of HWY 93I live in Arvada, 2 miles east of HWY 93

Who is this Guy?Who is this Guy?

- 13- 13thth time teaching this course time teaching this course

Who is this Guy?Who is this Guy?

- I have a unique teaching style- I have a unique teaching style- I teach like I wish I had been taught- I teach like I wish I had been taught- Sense of humor- Sense of humor

So Why Are So Why Are You Here?You Here?

Why You Are HereWhy You Are Here::

- You like Space (Star Trek, Star Wars, etc.)You like Space (Star Trek, Star Wars, etc.)

- You want to get a good job after collegeYou want to get a good job after college

- Good SchoolGood School- Good GradesGood Grades- Good ExperienceGood Experience

- This course and Space Grant gets you all threeThis course and Space Grant gets you all three

- Unique point in your life!Unique point in your life!

- 142,500 Coloradoans

- Expected to double in in the next few years

- “Graying of the workforce”

Space in Colorado:

What To What To ExpectExpect

The ClassThe Class::

Learn the basics of atmospheric and space sciences, space exploration, spacecraft design, rocketry, and orbits.

Hear about the current research in space through lectures from Lockheed Martin, Ball Aerospace, LASP, NOAA, NCAR, and CASA.

The ClassThe Class::

Launch a mini-satellite on a high altitude balloon that is designed and built by you and a team of students.

The ClassThe Class::

The ClassThe Class::

The ClassThe Class::

- Interactive

- Interesting

- Applicable

- Fun

What to expect from this classWhat to expect from this class::

- If you are not here because you want to be here, If you are not here because you want to be here, then leave…then leave…

- If you are here because you think this will be easier If you are here because you think this will be easier than GEEN 1400, then leave…than GEEN 1400, then leave…

- If you are here because you think this will be easier If you are here because you think this will be easier than Physics III, then leave…than Physics III, then leave…

- If you are a slacker, then leave…If you are a slacker, then leave…

- But if you want to work hard and achieve something But if you want to work hard and achieve something great, then stay…great, then stay…

What to expect from this classWhat to expect from this class::

- Plan on being here for the full class (75 minutes)Plan on being here for the full class (75 minutes)

- Be ON-TIMEBe ON-TIME

- 1 Minute Reports Each Class1 Minute Reports Each Class

- AttendanceAttendance

- Homework (Only 6) Homework (Only 6)

- A lot of workA lot of work

- No cell phones or laptopsNo cell phones or laptops

Survey Survey HighlightsHighlights

Class SurveyClass Survey::

- Do you feel you learned anything in this class that Do you feel you learned anything in this class that will help you in future classes?will help you in future classes?

- Definitely, teamwork and knowing how to meet Definitely, teamwork and knowing how to meet deadlinesdeadlines

- How to presentHow to present

- Typical design processTypical design process- Everything from RFP to launchEverything from RFP to launch

- Ability to problem solveAbility to problem solve

Class SurveyClass Survey::

- Do you feel this class required too much work for Do you feel this class required too much work for the credit hours given?the credit hours given?

- 51% - No, it’s worth the work51% - No, it’s worth the work- 49% - Yes, there could have been one more credit 49% - Yes, there could have been one more credit

hour attached to the classhour attached to the class

- Are you glad you took this class?Are you glad you took this class?- Definitely, it was by far my favorite course Definitely, it was by far my favorite course

regardless of the high amount of work regardless of the high amount of work comparativelycomparatively

Class SurveyClass Survey::

- Would you recommend this class to a friend?Would you recommend this class to a friend?- 94% - Yes94% - Yes- 4% - Already have 4% - Already have - 2%(1 person) - No 2%(1 person) - No

- Did you like the team you were on?Did you like the team you were on?- 92% - Yes92% - Yes- 8% - No 8% - No - Ultimate Goal: We worked well and were able to Ultimate Goal: We worked well and were able to

joke around and hang out outside of work. We joke around and hang out outside of work. We even went to Dark Horse the other night in even went to Dark Horse the other night in celebration.celebration.

Class SurveyClass Survey::

- Did you enjoy the recovery trip?Did you enjoy the recovery trip?

- I thought the trip was a blast.I thought the trip was a blast.

- Launch, yes. 8 hour recovery…noLaunch, yes. 8 hour recovery…no

- Made for one heck of a story and Made for one heck of a story and memorable time.memorable time.

Class SurveyClass Survey::

- Other things you would like to say…Other things you would like to say…

- Way to keep us laughing even thoughWay to keep us laughing even thoughwe were the most stressed freshman we were the most stressed freshman on campus.on campus.

- Most fun class this semesterMost fun class this semester

- I would take this class again if I could.I would take this class again if I could.

SyllabusSyllabus

Syllabus:Syllabus:

Syllabus:Syllabus:

How to get How to get an Aan A

How to get an AHow to get an A::

“Everyone starts out with an A”

You have to try really hard to get anything lower than C-

Not in the business of giving bad grades…

…But you get the grade you earn

Please, Please, Don’t Cheat

How to get an AHow to get an A::

ASEN/ASTR 2500 Grades S06,F06,F07, & F08

0

5

10

15

20

25

40 43 46 49 52 55 58 61 64 67 70 73 76 79 82 85 88 91 94 97 100

103

106

109

112

Raw Score

Fre

qu

ency

How to get an AHow to get an A::

Grades are based on a normal 100 point scale

There is no curve

Team project and participation are based on your team evaluation and instructor evaluation

Feedback will be slow

Grader – Jennifer McGraw

Helper - Kendra Kilbride

How to get an AHow to get an A::

Grade Breakdown- 30% Coursework

- Attendance (33)- 1 Minute Reports (~30)

- Homework (1-4,6) - Community service (1)

- 5% Homework 5- 10% Final Exam- 8% Team Proposal- 8% Team Presentations (3)- 10% Team Design Document (2 Revs)- 12% Team Project and Participation- 17% Final Team Report & Presentation

45% You 55% Team

- Everyone must do a community service activity- Everyone must do a community service activity

- Must be something you are not doing for any other - Must be something you are not doing for any other classclass

- Preferred if it is related to this class, your college - Preferred if it is related to this class, your college major, or your interest in spacemajor, or your interest in space

- Community service must be completed before last - Community service must be completed before last day of classday of class

- Form is on the class website and must be signed- Form is on the class website and must be signed

Community ServiceCommunity Service::

- Attendance will be taken (Signing for friends)- Attendance will be taken (Signing for friends)

- Coming in late… Coming in late…

- Communications via email and this class- Communications via email and this class

- Travel and sick- Travel and sick

MiscellaneousMiscellaneous::

- Mutual Respect “Shut up and be quiet”Mutual Respect “Shut up and be quiet”

- Clap and questionsClap and questions

- Office hours 10:45-11:45 T & Th or by appointmentOffice hours 10:45-11:45 T & Th or by appointment

- Where to Find Me…Where to Find Me…

- Notes – Take themNotes – Take them

- Book(s) for courseBook(s) for course

MiscellaneousMiscellaneous::

Book(s) for courseBook(s) for course

- Typical engineering book cost- Typical engineering book cost $100, $90, $80, $70 $100, $90, $80, $70

This Book…This Book…- $13.95 - $13.95 - Rocket Boys - Rocket Boys

Homer HickamHomer Hickam

Also…Set aside $25 for batteriesAlso…Set aside $25 for batteries

MiscellaneousMiscellaneous::

Book(s) for courseBook(s) for course

This Book…This Book…- $11.66 - $11.66 - Moondust – In search of the - Moondust – In search of the

men who fell to Earth men who fell to Earth Andrew SmithAndrew Smith

Also…Set aside $25 for batteriesAlso…Set aside $25 for batteries

MiscellaneousMiscellaneous::

1 Minute 1 Minute ReportReport

1 Minute Report1 Minute Report::

HomeworkHomework

HomeworkHomework::

Submit via email

- Subject should be in this format“HW XX Lastname Firstinitial”

- Send all items to Prof.Koehler@gmail.com

- Get from Website

First Homework is…

WebsiteWebsite::

spacegrant.colorado.edu/space

Final WordFinal WordYou’ll Never…

Space GrantOpen House

August 27, 2009

5:30 PMDLC 1B70

Questions?Questions?

Picture Picture TimeTime