### Announcements W15

#### Optimization Challenge Due Feb 26

posted Feb 13, 2015, 1:25 PM by Nate Delson

 The Optimization Challenge is due Thursday Feb 26 (by mistake it was originally posted 1 week too early).

#### Midterm Logistics - MUST READ

posted Feb 10, 2015, 1:45 PM by Nate Delson

 The midterms will beheld Thursday 2/12, in the following rooms:If you are enrolled in section A00 - WLH 2205If you are enrolled in section B00 - EBU2 584Material will include all Lectures and Assignments. (note; solutions are posted under assignments)

#### Example Solution for Equivalent Inertia

posted Feb 6, 2015, 3:17 PM by Nate Delson   [ updated Feb 6, 2015, 5:12 PM ]

 Questions were raised on how equivalent inertia is calculated and how gear ratios effect this. Specifically, the question asked is why inertia is multiplied by the gear ratio squared. The answer is determined by going through the Free Body DIagrams, like we did for the mass raising a pulley problem in week 1. For guidance, I just posted a solution with 2 rotary motions, which is closer to the problem that the class is working on. The solution file is: "Rotary-Dynamics-Solution.pdf" in Assignments.I have recived some question about the HW. I welcome questions but note that the answers are in the Lectures and the reference links at the bottom of the HW.

#### Sunday Design Studio Hours: 1/25 10am-noon

posted Jan 22, 2015, 12:37 PM by Nate Delson

 Students can pick up kit parts and begin fabrication of the One Timing Belt Challenge on Sunday. The Design Studio will remain open 10am-noon and up to 1pm if students are around.

#### Machine Shop Sections Start Monday 10/19

posted Jan 22, 2015, 12:27 PM by Nate Delson   [ updated Sep 2, 2015, 1:57 PM by Thomas Chalfant ]

 Lab sections will be held in the Machine Shop, EBU2-B35 (Basement) starting on Monday 10/19. Make sure to wear closed toes shoes and clothes appropriate for the machine shop (there are protective shop coats). Long hear, earrings, and necklaces will have to be secured.

#### MATLAB workshop Fri Jan 9, 3:30pm-5:00pm EBU2 RM 239

posted Jan 8, 2015, 1:51 PM by Daniel Yang

 Matlab workshop will be a refresher to the matlab tools you will need for 156a.Topics include:Solving ODE's using matlabExplicit EulerPlottingAll of these tools will be used in your first homework assignment: Motor Simulation

#### Joint Lecture in WLH 2205 and Labs Start Week 1 in EBU2-311

posted Jan 4, 2015, 7:07 AM by Nate Delson   [ updated Jan 5, 2015, 5:03 PM ]

 The first lab will meet in EBU2-311 (opposite the Design Studio). The first lab will introduce sensors and the Arduino microprocessor which will be used in the Mechatronics project.Both Section A00 and B00 will meet together for lecture in WLH 2205

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