The european space agency esa is currently involved in several activities related to launch vehicle designs future launcher preparatory program, ariane 6, vega evolutions, etc. The look on functional design physics in the main algorithm of the article and model of subsystems is clear. In the preliminary mission design of an existing launch vehicle, maximizing payload mass is a very common performance measure. Within these activities, esa has identified the importance of developing a simulation infrastructure capable of supporting the multidisciplinary design and preliminary guidance navigation and control gnc design.
Multidisciplinary design optimization mdo entails combining all variable components into a single composite optimized system. Numerous efforts have resulted in the development of legacy codes that analyze the performance of solid and liquid propellant rockets. Three emphases to improve launch vehicle conceptual design. Full text of launch vehicle design and optimization.
Space launch vehicle and system engineering ucla continuing. The design of complex systems such as launch vehicles involves different. The other goals of the design optimization included obtaining the. Design optimization of a space launch vehicle using a. Korte langley research center, hampton, virginia october 2003 the nasa. Design optimization of launch vehicle concept using. These disciplines present conflicting objectives and require multidisciplinary design optimization methods in order to. A survey of multidisciplinary design optimization methods in. Pdf use of the collaborative optimization architecture for. Using a suite of custom codes, the performance aspects of an entire space launch vehicle were analyzed.
Optimal design of launch vehicles is a complex multidisciplinary design optimization mdo problem that has the distinctive feature of integrating a trajectory optimization which is very. Integrated design optimization of structural bending filter. Multidisciplinary design and optimization of an air launched satellite launch vehicle using a hybrid heuristic search algorithm engineering optimization, vol. Multidisciplinary design optimization, twostagetoorbit reusable launch vehicle, rocketbased combined cycle engine, conceptual design study, future space transportation system full text pdf.
Paper open access research on the key technology of the. Performance comparison of heuristic optimization methods. A genetic algorithm ga was employed to optimize the design of the space launch vehicle. Design, modeling and performance optimization for propulsion of a small launch vehicle to cite this article. Numerous efforts have resulted in the development of legacy codes that analyze the performance. Multidisciplinary design optimization of a twostageto. Multidisciplinary system design optimization of a launch. Proper design of solid rocket motor casetocase field joints reduces joint rotation and potential. Instruction details design considerations, such as launch optimization, structures and mechanisms, attitude control, thermal effects, propulsion systems, range. Pdf optimal design of launch vehicles is a complex multidisciplinary design optimization mdo problem that has the distinctive feature of integrating. Pdf robust ascent trajectory design and optimization of a.
Launch vehicle trajectory optimization is discussed, and students are provided with an actual optimization code along with an input file from an actual launch vehicle. Ariane 5 ecas and vegas payload performances from manual, fixed design. This paper approaches the question of launch vehicle selection from a systemofsystems perspective, incorporating the relationship between the transportation architecture design and launch vehicle sizing. The other goals of the design optimization included obtaining the proper altitude and velocity to achieve a lowearth orbit. Full text of launch vehicle design and optimization methods and priority for the advanced engineering environment see other formats nasatm2003212654 launch vehicle design and optimization methods and priority for the advanced engineering environment lawrence f. For these reasons, multidisciplinary design optimization mdo.
A special parametric model, featuring a scalar field irradiated by a set of bidimensional soft objects, is developed and used to assign an almost arbitrary distribution of insulating materials over the vehicle surface. The design of complex systems such as launch vehicles involves. Instruction defines the systems engineering aspects of space launch vehicle design, including the integration of the payload and the various launch vehicle subsystems and components. V, which was obtained from trajectory optimization, and then applied in mission analysis to obtain the initial masses. Example of study logic and type of results for a launch vehicles family under. Computational fluid dynamics cfd in launch vehicle applications turbine improvement effort, gas turning angle in the turbine blades was increased from the traditional design limit of approximately 140 degrees to 160 degrees. Paper open access design, modeling and performance. The design method presented in this paper is related to the upperstage system and its instrumentation, expedition and facilitation so as to transfer the satellite from the destination orbit to the target orbit.
Particle swarm optimization of a micro airlaunch vehicle trajectory canadian aeronautics and space journal, vol. Pdf robust ascent trajectory design and optimization of. As a relatively recent studies, bending filter design and the gain scheduling aresi rocket were discussed by. This atlas v addendum supplements the current version of the atlas launch system mission planners guide ampg and presents the initial vehicle capabilities for the newly available atlas v launch system. The key innovative approach includes the replacement of the aluminum side faces with structural composite components, keeping the commonly used aluminum frame. Recent launch vehicle optimization work significant work has been done in recent years to advance the design and analysis of entire launch vehicle systems. A survey of multidisciplinary design optimization methods. Mdo methodologies are applied in various domains and are an interesting strategy to solve such an optimization problem.
Design optimization of micro air launch vehicle using. The preliminary design and optimization of rockets has been the focus of several research studies. Small solid propellant launch vehicle mixed design. Multidisciplinary design optimization of multistage launch vehicle. In the interest of minimizing bending loads and ensuring safe separation of the firststage solid rocket motor, the vehicle is con strained to follow a gravityturn trajectory. Multidisciplinary design optimization mdo methodologies is a. This thesis details the creation of such a tool for use during the early conceptual design phase by analyzing existing launch vehicle design software and literature in order to adopt a bestpractice approach to launch vehicle sizing. Pdf multidisciplinary system design optimization of a. Design optimization of a space launch vehicle using a genetic algorithm. Gerhard venter, roberto vitali, boyang liu, raluca rosca, melih papila, and steven cox, which made my doctoral studies a pleasurable experience. Optimal engine selection and trajectory optimization using. Robustness and reliability of the designed trajectory are crucial for flight performance of launch vehicles. Integrated design optimization of structural bending.
Atlas vs multiple vehicle configurations and performance levels can provide the optimum. Launch vehicle design is a complex problem involving a series of disciplines. This vehicle was designed to launch a 150 kg payload into orbit. Avid personnel possess the knowledge, experience, and design tools to provide first class expertise in several areas of conceptual aircraft design, such as aircraft simulation and modeling.
Collaborative approach to launch vehicle design aiaa arc. Earlier research in rocket design used several optimiza tion techniques. This paper reports on the conceptual design of a threestage launch vehicle lv with a clustered hybrid rocket engine hre through multidisciplinary design optimization. In recent years, evolutionary techniques have been used to solve a myriad of design optimization problems57. This lv is a space transportation concept that can deliver microsatellites to sunsynchronous orbits ssos. Multidisciplinary design optimization of launch vehicles. Pdf new multidisciplinary design optimization approaches. The results output by steeleflight were verified by a study in which the designer manually chose the engine combinations one at a time, running each through the trajectory optimization routine to determine. Multidisciplinary design optimization methodologies is a collection of. It can greatly improve design by benefiting from the synergistic effect of coupling disciplinary collaboration optimization, and. In addition to analyzing the performance of each vehicle, a cost model has been written in order to bring an economic factor into the optimization process. Multidisciplinary design optimization, mdo, launch vehicles design, optimal control. Design optimization of space launch vehicles using a genetic. Optimization and design for heavy lift launch vehicles.
Korte langley research center, hampton, virginia october 2003 the nasa sti. Pdf use of the collaborative optimization architecture. The design optimization, development, and verification by analysis and testing of the 1st greek cubesat, developed by the university of patras and libre space foundation upsat university of patras satellite, is presented. Design, analysis, optimization, manufacturing, and testing. In this paper, robust trajectory design optimization of a typical lv is proposed. Sep 27, 2011 optimal design of launch vehicles is a complex problem which requires the use of specific techniques called multidisciplinary design optimization mdo methods. In the present paper, a modelling procedure of the thermal protection system designed for a conceptual reusable launch vehicle is presented. Review of uncertaintybased multidisciplinary design. A cost model was incorporated into the optimization process with the goal of minimizing the overall vehicle cost. Two formulations of robust trajectory design optimization.
The optimization of the thrust profile during this phase of the launch is by no means a. Specifically, three and fourstage solid propellant vehicles have been analyzed. Vehicle design optimization avid is a leader in conceptual vehicle design for uavs, fixed wing, vstol, and rotorcraft. This tool can be utilized both for preliminary mission design of an existing launch vehicle and conceptual design of a new launch vehicle. Design optimization of a space launch vehicle using a genetic.
This paper is focused on several examples of recent use of mdo techniques at onera in. Multidisciplinary design and optimization of an innovative nano air launch vehicle with a twinfuselage uav as carrier aircraft. This paper surveys the different mdo methods and their applications to launch vehicle design. Launch vehicle design and optimization methods and. Space launch vehicle design and system engineering.
Applications of multidisciplinary design optimization methodologies. The successful launch of 12 missions in 2015 and 14 missions in 2014 is a testament of the benefits afforded by this approach. Launch vehicle design is a complex, multidisciplinary engineering activity that requires making difficult compromises to achieve balance among competing objectives for the vehicle, including safety, reliability, performance, operability, and cost ref. Design optimization research group for their help and support. The views expressed in this dissertation are those of the author and do not.
Launch vehicle design and optimization methods and priority. The vehicle performance modeling requires that analysis from four separate disciplines be integrated into the design optimization process. The cfd analysis showed that this change, coupled with other minor improvements, would increase turbine efficiency by. A micro air launch vehicle was designed to launch a 20kg payload into a 400km circular polar orbit. The reusable launch vehicle rlv concept includes multiple. In the present study, optimization and trajectory design are done through a design algorithm with systematic approach to reduce payload mass. In this approach, a problem is decomposed into a userdefined number of subspace optimization problems that are driven towards interdisciplinary compatibility and the appropriate solution by a systemlevel coordination process.
The preliminary design of the micro air launch vehicle was conducted given the required. May 23, 2012 robust ascent trajectory design and optimization of a typical launch vehicle 15 january 2018 proceedings of the institution of mechanical engineers, part c. Collaborative optimization is a new design architecture speci cally created for largescale distributed. Collaborative approach to launch vehicle design journal.
Optimal launch vehicle size determination for moonmars. This reduces the design space to just two free parameters, the pitch rate after a. Multidisciplinary design optimization for a reusable. Ascent trajectory design and dynamics simulation groundtospace path design and optimization, vehicle and propellant sizing, crew emergency abort range ground safety. The oral presentation is supplemented with the lecturers new launch vehicle design textbook. The entire launch vehicle system is analyzed using various multistage configurations to reach lowearth orbit. By decreasing the 18,000 kg of fuel consumed in the first 80 seconds of flight by only 1%, the payload carrying ability is is increased by the weight of three average people. Optimization of launch vehicle ascent trajectories with path. The application of cost optimization to vehicle design is discussed relative to establishing ground rules for a minimum cost heavy cargo launch vehicle to transport the satellite power system to. Collaborative optimization is a new design architecture specifically created for largescale distributedanalysis applications. Hyper heuristic approach for design and optimization of satellite. There are abundant of rapid design requirements for the two endpoints of single pipe. He managed a mission design and trajectory optimization section for the launch vehicle project at lerc as well as managing mission design for specific missions.
Instruction details design considerations, such as launch optimization, structures and mechanisms, attitude control, thermal effects, propulsion systems, range safety, and operational aspects. The advanced design technology such as the virtual reality is expensive for the current design of launch vehicle. Small solid propellant launch vehicle mixed design optimization approach 3 4 5 where, u is the burning rate of propellant. From this perspective, uncertaintybased multidisciplinary design optimization umdo is introduced into academia. Thermal protection system design of a reusable launch. Design optimization of space launch vehicles using a. Multidisciplinary design optimization of launch vehicles mathieu balesdent to cite this version.
Steeleflight explored the design space through the use of a genetic algorithm to find the optimal engine combination to maximize payload. Principal design drivers are the combustion chamber pressure vs. Multidisciplinary design and optimization of an innovative. Pdf multidisciplinary design optimization of launch vehicles. May 23, 2012 multidisciplinary design and optimization of an air launched satellite launch vehicle using a hybrid heuristic search algorithm engineering optimization, vol. Introduction the considered launch vehicle is configured with solidpropellant stages. The minimum glow and maximum payload ratio can be obtained by staging and trajectory optimization 6, 7. Review practical aspects of launch vehicles, such as fabrication and testing, including several examples of, and the lessons learned from, launch vehicle.
The collaborative optimization is an alternative design architecture, whose characteristics are well suited for launch vehicle design 5. Design optimization of space launch vehicles using a genetic algorithm douglas james bayley doctor of philosophy, august 4, 2007 m. A simplified ascent trajectory optimization procedure has been developed with application to nasas proposed ares i launch vehicle. The design of a singlestagetoorbit launch vehicle is a com. Optimal design of launch vehicles is a complex problem which requires the use of specific techniques called multidisciplinary design optimization mdo methods. Multidisciplinary design optimization strategy in multistage launch vehicle conceptual design 1st progress seminar report submitted towards partial fulfillment of the requirement for the award of degree of doctor of philosophy aerospace engineering by c. Students receive a usb drive containing an extensive set of design data, videos illustrating different concepts that are shown in class, and a sample vehicle optimization input file. Pdf rapid trajectory optimization for the ares i launch. Full text of launch vehicle design and optimization methods. A survey of multidisciplinary design optimization methods in launch vehicle design mathieu balesdent nicolas berend philippe depince abdelhamid chriette received.
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