• No results found

launch vehicle

Dynamic Response of a Launch Vehicle to Wind Gust

Dynamic Response of a Launch Vehicle to Wind Gust

... the launch vehicle varies with the frequency, mach number and flight ...typical launch vehicles at different time instants of flight from the lift off ...of launch vehicles are generated for ...

6

Active Vibration Control of Launch Vehicle on Satellite Using Piezoelectric Stack Actuator

Active Vibration Control of Launch Vehicle on Satellite Using Piezoelectric Stack Actuator

... of launch vehicle on satellite, it is essential to propose a new device and systems which would benefit from an innovative structural ...of launch vehicle on ...

11

Similation of the Dynamic Characteristics of Launch Vehicle Stabilization During Longitudinal Oscillations

Similation of the Dynamic Characteristics of Launch Vehicle Stabilization During Longitudinal Oscillations

... the launch vehicle which are accompanied by longitudinal oscillations of liquid fuel in tanks and ...the launch vehicle, and forms a closed oscillation system, in which initial slight ...

9

A Bayesian Networks Approach to Reliability Analysis of a Launch Vehicle Liquid Propellant Engine

A Bayesian Networks Approach to Reliability Analysis of a Launch Vehicle Liquid Propellant Engine

... a Launch Vehicle LV, they are not all eciently applicable due to failure dependencies between components, computational complexity and state space explosion ...

11

PID Controller Design Using Particle Swarm Optimization for Servo Actuation System of Reusable Launch Vehicle

PID Controller Design Using Particle Swarm Optimization for Servo Actuation System of Reusable Launch Vehicle

... ABSTRACT:Reusable launch vehicle is a system which has the ability to carry a payload from the earth’s surface to the outer space more than once. The actuator forms the main loop of the control system and ...

11

Selection of Favorite Reusable Launch Vehicle Concepts by using the Method of Pairwise Comparison

Selection of Favorite Reusable Launch Vehicle Concepts by using the Method of Pairwise Comparison

... Many vehicle concepts have been assessed and a few have even been tested and built. However, the ma- jority has not reached the development stage due to numerous show-stoppers of either technical, economic or ...

12

Automatic Approach and Landing Trajectory Planner for Unpowered Reusable Launch Vehicle

Automatic Approach and Landing Trajectory Planner for Unpowered Reusable Launch Vehicle

... A new guidance scheme for the approach and landing (A & L) phase of an unpowered reusable launch vehicle (RLV) has been developed. The main ad- vantage of the new guidance is the use of glide-efficiency ...

17

Stabilization of Reusable Launch Vehicle using Backstepping and Adaptive Backstepping-A Comparative Study

Stabilization of Reusable Launch Vehicle using Backstepping and Adaptive Backstepping-A Comparative Study

... ABSTRACT: Now a days nonlinearities are considered as a rule not an exception. Backstepping is a Lyapunov based recursive control algorithm, which is a strong tool for a class of non-linear systems. But Backstepping ...

13

Modelling and Analysis of Polar Satellite Launch Vehicle C 33 with Different Cross Section of Strap on Boosters 
Mr B Nagaraju Goud & Mr B Raviteja Goud

Modelling and Analysis of Polar Satellite Launch Vehicle C 33 with Different Cross Section of Strap on Boosters Mr B Nagaraju Goud & Mr B Raviteja Goud

... expendable launch system is a launch system that uses an expendable launch vehicle (ELV) to carry a payload into ...expendable launch systems are designed to be used only once ...after ...

8

Optimum Size Selection For Spring Loaded Detachable Canister Launch Vehicle Interface For Multistage Long Range System

Optimum Size Selection For Spring Loaded Detachable Canister Launch Vehicle Interface For Multistage Long Range System

... of launch vehicle sections are tabulated in Table-1 and for canister in table ...and launch vehicle sections the ARSS value is calculated and optimum eight sets of LV and canister combinations ...

9

Model of Inertial Navigation System with Integration Schemes for a Commercial Launch Vehicle

Model of Inertial Navigation System with Integration Schemes for a Commercial Launch Vehicle

... In the above referred models of errors occurring in rate gyros and accelerometers in different parts of the flight trajectory contribution of the individual components can vary greatly [8]. So when considering the ...

7

Nonlinear Optimal Control Techniques Applied to a Launch Vehicle Autopilot

Nonlinear Optimal Control Techniques Applied to a Launch Vehicle Autopilot

... Using the SGA synthesis algorithm, a nonlinear optimal control law was computed for the pitch channel of the launch vehicle control system. Pitch angle with PD, LQ and SGA controllers is shown in Figure 1. ...

7

Particle Swarm Optimization Based PI Controller Design for Actuation System of Reusable Launch Vehicle

Particle Swarm Optimization Based PI Controller Design for Actuation System of Reusable Launch Vehicle

... reusable launch vehicle is tracked depending on the guidance, navigation and control ...reusable launch vehicle for vectoring the control surfaces about their ...reusable launch ...

9

State Vector Estimation Studies for ISRO’S New Launch Vehicle

State Vector Estimation Studies for ISRO’S New Launch Vehicle

... any launch base, Real-time tracking and trajectory estimation play critical role during a satellite launch for flight safety as well as mission ...generation launch vehicle ...satellite ...

5

Influence of boundary layer transition on the trajectory optimisation of a reusable launch vehicle

Influence of boundary layer transition on the trajectory optimisation of a reusable launch vehicle

... reusable launch vehicle to uncertainties in the nature of the transition from laminar to turbulent flow on its surface as it descends through the ...particular vehicle con- figuration to the ...

22

Robust multi-disciplinary design and optimisation of a reusable launch vehicle

Robust multi-disciplinary design and optimisation of a reusable launch vehicle

... the vehicle on 45% of missions, but that, if a design margin of, say, 110% of nominal was adopted, then the likelihood of the system not meeting its specified performance would be very small ...

28

How to launch small payloads? Evaluation of current and future small payload launch systems

How to launch small payloads? Evaluation of current and future small payload launch systems

... A thorough analysis of these market variables was conducted alongside various inputs of research and comparative work from industry experts and satellite manufacturers; which allowed a verification of the contextual ...

15

A Brazilian Space Launch System for the Small Satellite Market

A Brazilian Space Launch System for the Small Satellite Market

... expendable launch vehicle concepts to deliver small satellites to low-Earth orbit from the Alcantara Launch Center, ...combined launch vehicle performance and cost analysis to help ...

19

Agent-Based Simulation of Hardware-Intensive Design Teams Using the Function–Behavior–Structure Framework

Agent-Based Simulation of Hardware-Intensive Design Teams Using the Function–Behavior–Structure Framework

... The launch vehicle simulation was extrapolated from this methodology to simulate a highly coupled ...The launch vehicle simulation showed the usefulness of the simulation for studying the ...

23

Design and trade-offs of a pole-sitter mission

Design and trade-offs of a pole-sitter mission

... a launch phase and a transfer phase, as shown in Fig. 2. The launch phase is designed as an impulsive, two-body Soyuz or Ariane 5 upper-stage transfer from a low Earth parking orbit up to insertion into the ...

20

Show all 7190 documents...

Related subjects