Multi-Objective Multidisciplinary Design Optimization Approach for Partially Reusable Launch Vehicle Design

Multidisciplinary Design Optimization of Solid Launch Vehicle Using Hybrid Algorithm

A new approach is proposed incorporating heuristic optimization algorithm with a switch to a local search algorithm for the multidisciplinary design of solid launch vehicle at conceptual level. Heuristic optimization algorithms such as Genetic Algorithm often may locate near optimum solutions at the expense of large function evaluations. Local search algorithms including both gradient and non g...

Distributed Multi-objective Multidisciplinary Design Optimization Algorithms

This work proposes multi-agent systems setting for concurrent engineering system design optimization and gradually paves the way towards examining graph theoretic constructs in the context of multidisciplinary design optimization problem. This paper adapts a cooridination strategy based on the well-known nearest neighbor rule and corresponding distributed constrained optimization method. The fl...

Robust optimal multi-objective controller design for vehicle rollover prevention

Robust control design of vehicles addresses the effect of uncertainties on the vehicle’s performance. In present study, the robust optimal multi-objective controller design on a non-linear full vehicle dynamic model with 8-degrees of freedom having parameter with probabilistic uncertainty considering two simultaneous conflicting objective functions has been made to prevent the rollover. The obj...

Reusable Launch Vehicle Design Implications for Regeneration Time Thesis

In the last few years, the Air Force Research Laboratory (AFRL) sponsored several research projects on a Reusable Launch Vehicle (RLV) whose design, operation, and logistics requirements are intended to be much simpler than for the Space Shuttle. As part of these efforts, the previous researchers developed a discrete-event simulation model, called Maintenance, Integration, and Launch Pad Operat...

Multi-disciplinary Design Optimization Strategy in Multi-stage Launch Vehicle Conceptual Design