R12300: ME Lab Hardware Development LINDSAY WILKENS CHRISTOPHER MOREHOUSE ERIC WILCOX MATT FIGLIOTTI JOHN KNIGHT Overview Background Benchmarking Stakeholders Affinity Diagram Mission Statement Objective Tree Constraints Voice of the Customer Background RIT changing from quarters to semesters in Fall 2013 First year students currently take Physics, Problem Solving with Computers and Measurement Instrumentation and Controls ME 102 will replace these courses Lab hardware needs to be developed for five labs Three labs to be integrated into ME 102 Two in class demonstrations Statics Thermodynamics Benchmarking Empathy Exercise Examined current lab facilities in the RIT ME Department Researched existing lab experiments used by other universities Did not find any labs that addressed the needs of ME 102 Did not find any universities that had a course comparable to ME 102 Researched existing lab kits and demonstrations Pasco ENGAGE Stakeholders KGCOE Administration Dr. Edward Hensel Mechanical Engineering Professors First Year Mechanical Engineering Students ME Lab Instructors KGCOE Alumni Affinity Diagram By Stakeholder First year ME Students Problem: Direction of Most Students come in movement vs direction of with Algebra based Physics forces ME Professors Statics-Concepts: FBD, Trig Relations from 2D to 3D, Cross Products Students dont ask questions when they dont understand something KGCOE Admin ABET Critera Labs must be online by May 2012 ME Lab Instructors Easy to Assemble Perhaps experiments can Labs must be Some students come in become more open ended as Labs to provide Problem: Combined forces Thermo - Piston demo would under 75 mins for Students wont brake with calc background (AB the weeks progress to foundation of as vectors be useful setup - collect them or BC) reinforce real life experiments mechanics data - take down in industry Thermo-Entropy (not Dynamics- Concepts Students intuitive and no exposure Having Trouble With: before thermo class), vapor Relative Motion, Most students come in with Labs to involve Problem: Angular velocity dome, using data tables, open Work/Energy Integrals, no calc background data acquisition system-flowing mass, Decomposing vector from one isentropic efficiencies coordinate system to another, (turbines and pumps) v-s and a-s graphs Labs should be modular Want a set of extras incase a couple sets break Want students to understand what they are experimenting Labs increase in on, want them to have a complexity personal hands-on experience Equipment will have 3 year development cycle Want the labs to be easily stored and not take up to much space Centripetal acceleration was a common difficult concept Problem: Moment of Inertia Thermo - Demo of control volume would be useful Experiments need to be Rotational to Linear Competition usually brings Problem: What rotational simple enough not to take too motion a common difficult out the best in people, maybe motion is much class time but reinforce concept find a way to incorporate that concepts Instantaneous Velocity/accelration a difficult conept Problem: Circular Forces (torque) Forces as vectors a difficult concept Problem: Torque Most more uncomfortable with at least some aspect of Problem: Centripetal force rotational motion Most students not in Problem: Angular motion physics their first quarter "Whats that?" Obvious link to real life problems Want students to have the motivation to see how the experiments relate to physical Dynamics- Concepts That Would Benefit From A Lab: Kinematics (Motion in different reference frames), force/dashpot, visual indication of force, friction, impulse/momentum Open Source Students have physics background from high school Co-enrolled in calc ME102 #1 priority KGCOE Alumni Want RIT to have a good reputation nationwide Want this class to become a education standard nationwide Affinity Diagram First Iteration Experimental Apparatus Experimental Ideas Involves data Piston Thermo Demo Wants a set of extras Control Volume in case a couple break Demo Wants the labs to be easily stored and not take up much space Real-life Experimental Requirements Angular Motion Linear Concepts ABET Criteria Want the labs to easily be stored and not take up too much space Impulse/ Momentum In class demos fit inside professor's class schedule Students should have experience working in groups Angular motion"Whats that?" Open source MATLAB Proficiency Complexity of Experiments Decomposing vectors from one Increasing Complexity coordinate system to another Forces as vectors difficult concept Experiments more open-ended as weeks progress Statics Thermo FBD Vapor Dome Trig Relations from 2D to 3D Entropy Rotational to linear Must integrate Motion in different Most students come in motion a common demos into class reference frames with no calc difficult concept lectures Some students come in with calc background (AB or BC) Relative Motion Co-enrolled in calc More complex concept than freshman experiments Modular in terms of variables range Motivate students to see how experiments LabVIEW Proficiency Moment of Inertia relate to physical Budget for all lab equiptment cannot exceed $50,000$100,000 Labs must be online by May 2012 Microsoft Excel Proficiency Centripetal acceleration was a common difficult concept Use National Instruments DAQ hardware Minimum of 12 sets of hardware ME 102 labs take priority What rotational motion is Students have physics Relations from 2D background from high to 3D school More complex concept than freshman experiments Equipment has a 3 year development cycle Prefers implementation of COTS parts Labs must be under 75 minutes for set-up, collect data, and take down Angular velocity Some students come in with algebra based physics Quick to show concept in limited lecture time Easy to assemble Backups are necessary Personal/Hands on Robust-Students wont break them FBD Open source mass flow Work/Energy Most uncomfortable with come aspect of V-S and A-S graphs rotational motion Most students not in physics their first quarter Isentropic Efficiencies Quick to show Must integrate concept in limited demos into class lecture time lectures Affinity Diagram Second Iteration Key Engineering Concepts Implementation of Labs Lab Skills Integrals V-S and A-S Graphs Vapor Dome ABET Criteria Experiments more open-ended as the weeks progress Easy to assemble Forces as vectors difficult concept Moment of Inertia Open Source Mass Flow Open Source Mininum of 12 sets of hardware Personal/Hands On FBD Rotational to linear motion a common difficult concept Isentropic Efficiencies Relative Motion Torque Piston Thermo Demo Must integrate into class lectures Backups are necessary Quick to show concept in limited lecture time LabVIEW Proficiency Motion in different reference frames Centripetal acceleration was a common difficult concept Control Volume Demo Motivate students to see how experiments relate to physical Increasing Complexity Labs must be under 75 minutes for setup, collect data, and take down. Microsoft Excel Profieciency Budget for all lab equipement cannot exceed $50,000$100,000 Labs must be online by May 2012 ME 102 labs take priority MATLAB Proficiency Modular in terms of variable range Equipment has a 3 year development cycle Decomposing vectors from one coordinate system to another Angular velocity Direction of moment vs Relations from 2D to 3D direction of forces Work/Energy Most uncomfortable with some aspect of rotational motion Impulse/Momentum Entropy In class demos fit Want the labs to inside Professor's class easily stored and not Simple Experiment schedule take up much space Want the labs to easily Students won't break stored and not take up them much space Want a set of extras in case a couple break Robust Prefers implementation of COTS parts Involves data aquisition Use National Instruments DAQ hardware Students should have experience working in groups Technical writing Mission Statement The Mechanical Engineering Department at the Rochester Institute of Technology will be implementing a new course curriculum by Fall 2013, including lab experiments for first year students, because it will be a more effective way to introduce key engineering principles early in their education. The ME Lab Hardware family of projects will be responsible for the design, development and production of this lab hardware. The Mechanical Engineering Department at the Rochester Institute of Technology will be implementing a new course curriculum by Fall 2013, including lab experiments for first year students, because it will be a more effective way to introduce key engineering principles early in their education. The ME Lab family of projects will be responsible for design, development and production of this lab hardware. The customer needs experiments to address Newton’s Law of Gravity because it is a foundation principle of mechanics. The customer needs a series of experiments that demonstrate key engineering concepts. The customer needs experiments to address Newton’s Three Laws because they are a foundation principle of mechanics. The customer requires that the student must demonstrate knowledge of and ability to apply the Work Energy Theorem. The customer requires that the student demonstrate an ability to conduct scientific experiments, using appropriate technology to collect sensor data in order to achieve the desired outcomes. The customer needs experiments that can be effectively implemented by May 2012 to establish RIT as a national education standard. The customer needs experiments that are robust and easy to assemble so that a significant number of students can have a hands-on experience with one piece of hardware in under 75 minutes. The customer needs experiments that help students obtain and analyze data from lab hardware while developing other important technical skills. The customer needs experiments that increase in complexity because this will help ease students into more complex concepts. The customer the experiments be2012 ready by May 2012 because theto be The customer needsneeds the experiments to be ready byto May because the experiments are going implemented by the Fall ofare 2013. experiments going to be implemented by the Fall of 2013. The customer needs open source, ABET approved experiments that can be implemented by other universities because RIT would like to become a national standard in education. The customer needs students to have data acquisition, data processing and technical writing because they are critical engineering skill sets. The customer needs the experiments to utilize National Instruments DAQ hardware and commercial off-the-shelf parts to meet lab production time and resource constraints. Constraints Time Must be implemented by May 2012 Lab Times restricted to 75 minutes in length Lab Experiments must last at least three years Space Lab Space: MIC Lab is going to designated for this course Budget Total Lab Equipment cost cannot exceed budget ($50,000 $100,000) Minimum of 12 lab sets to be produced to accommodate class size Academic ABET Criteria Voice of the Customer Need # CN1 CN2 CN3 CN4 CN5 CN6 Affinity Group Name Importance Customer Objective Description 9 The student will demonstrate knowledge of and ability to apply Newton's Law of Gravity The student will demonstrate knowledge of and ability to apply Newton's first law to analyze problems of 9 static equilibrium. The student will demonstrate knowledge of and ability to apply Newton's second law to analyze the 9 dynamics of a single particle. Key Engineering Principles The student will demonstrate knowledge of and ability to apply Newton's third law to analyze the dynamics 9 of two or more objects 9 The student will demonstrate knowledge of and ability to apply the Work Energy Theorem The student will demonstrate an ability to conduct scientific experiments, using appropriate technology to 9 collect sensor data in order to achieve the desired outcomes. CN7 CN8 CN9 CN10 CN11 CN12 CN13 Implementation of Labs CN14 CN15 CN16 CN17 CN18 CN20 CN21 CN22 Student feedback and overall course GPA Student feedback and overall course GPA Student surveys Student surveys Number of other programs using RIT curriculum Complexity as defined by number of data sets acquired and analysis done to it Can be assembled/disassembled in five minutes or less Can be disassembled in a practical storage envelope (by volume) Conduct endurance testing Number of experiments performed per apparatus, minimum of three Perform a sample lab and time it Refer to textbook and prepared curriculum N/A Overall cost and time of production Number of discrete tasks required by lab 1 Create open source materials for potential nationwide adoption 9 Concepts should be performed with increasing complexity week over week 3 Should be easy to assemble 1 Should be easily stored 3 Robustly designed 3 Modular design to facilitate complexity 9 Labs can be completed in 75 minutes 3 Directly relate to classroom lecture 3 3 9 1 Contain data acquisition hardware Use Commercially available Off-The-Shelf (COTS) parts Can support 3-4 groups members performing a task Should relate to real world situations The student will demonstrate knowledge of and ability to apply the LabVIEW system to the problem of Depth of LabVIEW commands necessary conducting experiments in engineering mechanics. The student will demonstrate knowledge of and ability to apply modern engineering tools (such as Microsoft Perform a sample lab and check data for Excel, Visual Basic, and MATLAB) to the analysis of experimental data, and reporting of results. usability Peer evaluations at the end of the Provide students with experience working in a group semester The student will demonstrate ability to professionally document work in a manner that can be easily One graded report per team per followed, verified, and reproduced experiment 3 CN19 Measure of Effectiveness Student feedback and overall course GPA 3 Lab Skills 1 9 Summary Background Benchmarking Stakeholders Affinity Diagram Mission Statement Objective Tree Constraints Voice of the Customer QUESTIONS?