These are the contexts for which we have learned appropriate. Jan 16, 2018 as a paper helicopter falls, air presses on each of the blades with an equal force but in the opposite direction and the helicopter spins around. The company is interested in creating a design that will result in the longest air time. The purpose of this paper is to study the conceptual design and optimization of a compound coaxial helicopter. Design of experiments and optimization project paper.
Performance optimization of helicopter rotor blades by joanne l. The goal of this project is to design, build, and test a fully articulated helicopter rotor head system for future implementation on a hover test stand. How to make a paper helicopter simple and easy youtube. To make the helicopters you will need few plain sheets of paper and scissors. You will also need a digital stop watch to record flight time. 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. Nov 01, 2015 the paper helicopter template that it included was one of my favorites. Over the years i have tuned the helicopter design a bit. Paper helicopter experiment your consulting firm has been hired to give design recommendations for a paper helicopter on a childrens craft website. The results were what an experienced doe practitioner might expect from such an exercise. Then experiment and see how changes effect your paper toy diy paper helicopter einfach how to make a paper helicopter. Design optimization of a quadrotor capable of autonomous flight. Human performance over short periods of time was studied to characterize the power available, and the transmission was designed to deliver as much of this power as possible to the rotors.
Lee aerospace operations modeling branch nasa ames research center mo. Design optimization of a highpressure turbine blade using. 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. A similar experimental optimization was also undertaken by viana et al. Pdf design, optimization, and building flight model of. In the paper helicopter project, our goal was to use these tools to find the combination of design factors that would maximize flight time. Pdf agility assessment of helicopter main rotor design.
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 engineers experimental design with a paper helicopter, quality engineering. May 17, 2015 the paper helicopter is one of the devices to explain about design of experiments. American institute of aeronautics and astronautics 12700 sunrise valley drive, suite 200 reston, va 201915807 703. Preliminary study on timespectral and adjointbased design optimization of helicopter rotors seongim choi.
The two types of inference we have studied are significance tests and confidence intervals. Paper helicopters summary of the inference procedures statistical inference refers to drawing conclusions about a population based upon data from a sample. Creating a paper helicopter requires a pieces of paper, a few easy cuts, and a few folds. 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. Conceptual design for the performance optimization of. This little paper helicopter is super fun and easy to make make them out of a. A multiobjective optimization problem was set to search optimal designs for hovering and forward flight condition. Aerodynamic design optimization of helicopter rotor blades. Tuck the paper helicopter inside the planes fuselage and it will be deployed. Autorotation is the rotation of a helicopter rotor in response to downward motion. Then make variations on the design by changing the length of rotor blades,the type of paper card,the number of paper clips,etc. The paper describes a design project the design of a paper helicopter for minimum autorotation speed and its usage in the course. Process optimization using response surface methodology erik barry erhardt november 7, 2006.
Sep 03, 2018 this paper presents design optimization of the helicopter rotor blade combining five design variables, such as the locations of twin trailingedge flaps, peak deflection and flap chord and torsional stiffness of the rotor. To begin with, we look to refine our uncertainty analysis to accurately. As the paper models fall they will spin, imitating the rotation of the rotor blades of a helicopter. Diy paper helicopter easy to make and watch them spin and fly. Bend the rotor blades the other way around and watch again. This paper outlines the analysis, design, and optimization of the helicopter active control technology hact flight control system hfcs. Process optimization using response surface methodology. You are invited to integrate the project into your own syllabus. The paper helicopter experiment project is an excellent assistant in teaching statistics and linear regression within the experimental design course. The efforts are aimed at advancing the usability and impact of. Because there is no thrust to produce upward movement, the helicopter will not fly upward, but the spin will reduce the rate of fall by producing lift, resisting the force. Department of aeronautics and astronautics stanford university, stanford, ca 94305 ki h. Kids can modify the basic paper helicopter and explore how each modification. It was different from other paper airplanes, and fairly simple to make.
Also, this study uses kriging metamodel to decouple the complex aeroelastic analysis and optimization problem. Validation study of aerodynamic analysis tools for design optimization of helicopter rotors seongim choi. Design and optimization of helicopter rotor blade using. Jun 14, 2012 multiobjective experimental optimization with multiple simultaneous sampling for flapping wings 2 january 2015 thrustpower pareto fronts based on experiments for small flapping wings. Lem abstract the course emphasizes theory for response. In this paper, we use the design of a paper helicopter to illustrate how we can adapt the modern efficient global optimization ego algorithm to handle experimental data. Pdf design, optimization, and building flight model of an. Paper helicopter experimental optimum engineering design. Paper helicopter design optimization experiment design and test overview. Efficient global optimization with experimental data. The following example is an enhanced version of the classical paper helicopter experiment suggested by g. Once done, simply fill in the design matrix and print out the pdf with the paper helicopter patterns. Activity begin by using the templates to make paper helicopters and watching them spin as they are dropped. A control system was designed and implemented through the use of an onboard microprocessor and inertial measurement system.
The paper describes the design optimization concept, introduces basic gpc theory, provides detailed cfd results and concludes with an interpretation of the design optimization effort that results in a new aerodynamic shape for the turbine blade. This fun activity will help you get started at home building a simple paper helicopter. This experience led into design optimization and refinement of the secondgeneration vehicle, gamera ii, presented in this paper. A light training helicopter is proposed that satisfies all the mission requirements, is optimized for several disciplines and has minimum production cost. Agility assessment of helicopter main rotor design. The aim is to create the longest flying paper helicopter by means of experimental design. Stem paper helicopter stem for kids, stem challenges, stem. In this paper, a twist distribution of the helicopter blade is optimized to maximize the helicopter efficiency and the influence of the required power is investigated. Since the paper models have no motor, they only have one source of lift.
Once you know how to make a paper helicopter expand the project by introducing engineering challenges. Preliminary study on timespectral and adjointbased design. Teaching design of experiment and response surface methodology using paper helicopter experiment conference paper pdf available april 20. After setting the size of the helicopter, the helicopter rotor blade shape optimization process is performed as the next step of the design process. Revisiting the paper helicopter project using an adaptive. The design loop is iterated several times using multidisciplinary design techniques like all at once aao and collaborative optimization co approaches. Design optimization of helicopter rotor using kriging. Helicopter design cost minimization using multidisciplinary. Validation study of aerodynamic analysis tools for design. The goal of the helicopter was to maintain a hover at a useddefined altitude while minimizing lateral drift. The development of helicopter test stands allows for the testing and improvement of various components of helicopter rotor head and blade designs. The paper aeroplane design provided performs a graceful looptheloop.
This report covers the design, analysis, manufacturing, and testing of an autonomous quadrotor helicopter. Pdf teaching design of experiment and response surface. At the conceptual design phase, the compound coaxial helicopter design work was based on the conventional helicopter and fixwing aircraft design method. How to make a paper helicopter simple and easy i use to make these helicopters as a child and had a bunch of fun. The paper helicopter is a simple construction that shares this property of autorotation when falling to the ground, and in the approximation and optimization in engineering design class, the objective was to build a paper helicopter see. 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. Teaching doe with paper helicopters and minitab minitab. Recently, i attempted to give several engineers a 30second explanation of what design of experiments doe is and what it could do.
65 1259 595 206 1177 654 733 137 934 387 1527 1258 337 1403 1061 253 1522 1384 1032 253 311 563 63 1483 535 1382 131 1477 1009 1310 1086 388 897 713 125 1061