Integrated aerodynamics and structure design optimization considering manufacturing cost. Pdf optimization of flight time and distance travelled of a. We present an interactive system for computational design, optimization, and fabrication of multicopters. Design of experiments and optimization project paper. Paper helicopter design optimization experiment design and test overview.
All inner and outer shapes of rotor blades can be investigated simultaneously in a fully integrated design optimization. Weide stanford university, stanford, ca 94305 jaina sitaraman national institute of aerospace, hampton, va 23666 the key objectives of this paper are to assess the accuracy and the validity of our. The length of each cut is 5 cm minus leg width divided by 2. The paper describes a design project the design of a paper helicopter for minimum autorotation speed and its usage in the. Conceptual design for the performance optimization of. This section describes an integrated framework including aerodynamics, structure, and manufacturing cost. Design of the paper helicopter emilio lopez april 15, 2018 1 obtaining the helicopter the paper helicopter is a widely used example for training in quality methodologies. Experimental design is an essential tool for studying complex systems, and it is the only. Process optimization using response surface methodology. A light training helicopter is proposed that satisfies all the mission requirements, is optimized for several disciplines and has minimum production cost. Software for design of experiments using taguchi methods, ibm. Paper helicopter experimental optimum engineering design.
Optimization of residential roof insulation layer thickness based on economic. Validation study of aerodynamic analysis tools for design. Geometric programming for aircraft design optimization warren hoburg. Finally, we can use the response optimizer to find the combination of factor. In this paper, multiobjective design of helical gear pair transmission with objective functions namely volume of the small and large helical gear and opposite number of overlap ratio is taken into account. We designed a set of experiments that allowed us to discover enough about the shape of the response surface to design the winning paper helicoptertwice.
Revisiting the paper helicopter project using an adaptive surrogate. Nov 01, 2015 the paper helicopter template that it included was one of my favorites. In order to explore this large design space more effectively while trying to reduce design cycle times, engineers can now take advantage of automated design optimization and simulation software tools. You are invited to integrate the project into your own syllabus. Performance optimization of helicopter rotor blades by joanne l.
Download scientific diagram model of a paper helicopter design. Aerodynamic design optimization of helicopter rotor blades. Once done, simply fill in the design matrix and print out the pdf with the paper helicopter patterns. For many complex engineering optimization problems multi objective design optimization methods are used to simplify the design problem. The control designers unified interface conduit environment is utilized as. This project, originally developed for introducing students to basic experimental statistics. As part of this effort, the software package, rotorcraft optimization tools rcotools, is being developed to facilitate incorporating key rotorcraft conceptual design. The experiment was conducted to optimize the paper helicopter flight time.
The paper describes a design project the design of a paper helicopter for minimum autorotation speed and its usage in the course. A fully automated framework for helicopter rotor blades. Validation study of aerodynamic analysis tools for design optimization of helicopter rotors seongim choi. Tigl is an open source geometry modeler that is used in the conceptual and preliminary aircraft and helicopter design phase. Cut the paper the length of paper rotor length plus leg length, and add 2 cm for the body. To create a fractional factorial design in minitab statistical software, go to doe. The stepwise regression feature makes it simple and fast to select the optimal. The class ends with each team submitting their best candidate and having a faceoff competition with bragging rights and glow stick glasses as the ultimate prize. Teaching design of experiment and response surface methodology using paper helicopter experiment conference paper pdf available april 20 with 4,736 reads how we measure reads. After setting the size of the helicopter, the helicopter rotor blade shape optimization process is performed as the next step of the design process.
Walsh nasa langley research center hampton, virginia 23665 abstract as part of a centerwide activity at nasa langley research center to develop multidisciplinary design procedures by accounting for discipline interactions, a performance design optimization procedure is developed. Doe is a powerful quality engineering tool that can help managers and engineers. As the paper models fall they will spin, imitating the rotation of the rotor blades of a helicopter. Our computational approach allows nonexperts to design, explore, and evaluate a wide range of different multicopters. You will also need a digital stop watch to record flight time. The paper helicopter provides a way to quickly explain basic doe concepts. A helicopter design project is described that combines computational modeling, optimization, design of experiments theory, fabrication, test, and analysis of the results, including statistical analysis. The results were what an experienced doe practitioner might expect from such an exercise. At the conceptual design phase, the compound coaxial helicopter design work was based on the conventional helicopter and fixwing aircraft design method. A pdf document with a template of the paper helicopter design see fig. In order to design the experiment we use minitab statistical software 6 which. Lem abstract the course emphasizes theory for response.
Statistical computing and graphics a tool for computing confidence regions. Creating a paper helicopter requires a pieces of paper, a few easy cuts, and a few folds. Revisiting the paper helicopter project using an adaptive. The purpose of this paper is to study the conceptual design and optimization of a compound coaxial helicopter. Computational multicopter design the computational. Over the years i have tuned the helicopter design a bit. This course is taught using matlab, but could be readily adopted to other software packages.
Body length and body width do not appear in the final interaction plot or optimization plot graphs at the final stage. Use the jmp software to perform significance testing on your data and to. Students optimized the helicopter design by optimization programming, software such as matlab, or by analytical means using a suggested twoparameter objective function. Design of experiments and optimization project paper helicopters. Helicopter design cost minimization using multidisciplinary. Efficient global optimization with experimental data. Probably the single most important rotor design parameter is its liftdrag ratio, which should be as high as possible. Bonus marks were offered to students who used taguchi methods. Computer programs have to be used to carryout the evaluation on the design objective or costs. Upon completion of all flights 48 tests, enter results on the right side of the l8 array input results in qualitek4 software. The paper helicopter experiment project is an excellent assistant in teaching statistics and linear regression within the experimental design course. This paper outlines the analysis, design, and optimization of the helicopter active control technology hact flight control system hfcs. The design loop is iterated several times using multidisciplinary design techniques like all at once aao and collaborative optimization co approaches. Howa paper helicopter made in a minute or so from 8 12 x 11 sheet of paper can be used to teach principles of experimental design including conditions for validity of experimentation, randomization, blocking, the use of factorial and fractional factorial designs, and the management of experimentation.
Frequently, the design objective, or cost function cannot be expressed in the form of simple algebra. Experimental optimum engineering design is a new undergraduategraduate course developed at the university of florida for combining analytical optimization techniques and design of experiments methods in product design. Reliabilitybased design optimization using efficient global reliability analysis. Bring your knowledge and experience forward about helicopter. It was different from other paper airplanes, and fairly simple to make. Teaching engineers experimental design with a paper helicopter. This is all done in a classroom environment in a reasonable number of class periods. Pdf teaching design of experiment and response surface. Recently, i attempted to give several engineers a 30second explanation of what design of experiments doe is and what it could do.
Due to its parametric nature, it is typically used for aircraft design analysis and optimization. Design and optimization of helicopter rotor blade using different materials s mohan kumar1. We will, therefore, now look at several rotorblade designs. In the section rotor aerodynamics we considered the aerodynamic aspects of airfoils. Geometric programming for aircraft design optimization. Rotor blade design the helicopter and rotorcraft site. Paper helicopter design optimization experiment design and test overview tools for fabrication and testing. It creates full threedimensional models of aircraft from their parametric cpacs description. Optimization of flight time and distance travelled of a styrofoam glider. To make the helicopters you will need few plain sheets of paper and scissors. Design and optimization of helicopter rotor blade using. Paper helicopter experimental optimum engineering design classroom problem. The objectives are to show 1 which of the four factors are statistically significant. Since the paper models have no motor, they only have one source of lift.
Having completed my paper helicopter experiment and inputted the information into the minitab 18 software i am slightly worried that two of the categories. The paper helicopter project has been given to graduate students of the french. Originally introduced by professor rafi haftka at the university of florida, this paper describes the. Design of experiments and optimization project paper helicopters1 120312 the objective of this assignment is to investigate four design factors and their influence on flight time of a paper helicopter. Teaching doe with paper helicopters and minitab minitab.
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