Abstract
An important phase in missile systems development is flight testing and simulation in the environmental conditions dictated by the operation the system is made for. Since field testing of complex systems means a big financial burden and a time consuming process, hardware in the loop (HIL) simulations represent a very effective solution for saving both costs and time. This paper presents an implementation of a control application that integrates synchronized data generation and acquisition on the five-axis missile and target flight motion simulator owned by the HIL laboratory. The described simulation application is a result of a missile development engineer's need for a simple way to acquire information on a real missile response, when desired control signals are provided. The solution is realized in Lab VIEW software using a robust software design architecture named 'classic state machine'.
Highlights
Surface-to-air missile systems are developed to meet specified tactical and operational requirements in environmental conditions dictated by the operation itself
The laboratory is equipped with an S-450R-5 five-axis missile and target flight motion simulator, as well as measurement, data acquisition and signal processing systems (National Instruments, Data Translation)
LabVIEW has evolved from an instrument control and data acquisition tool to a general-purpose software development system that can be employed for nearly any application
Summary
Surface-to-air missile systems are developed to meet specified tactical and operational requirements in environmental conditions dictated by the operation itself. It is important to emphasize that computational modelling and simulations with a set of partial differential equations bring uncertainty and errors when switching to realistic application (Oberkampf, DeLand, Rutherford, Diegert, Alvin, 2001). This happens because it is not easy to incorporate all environmental interactions into a mathematical model. There is more pressure nowadays to get products to market faster and to reduce design cycle time This has led to a need for dynamic testing, where components are tested while in use with the entire system, either real or simulated, with real-time hardware and software. The simulation application described in detail in this paper is a result of a need of missile development engineers for a simple way to acquire information on a real missile response when desired control signals are provided
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