Abstract
The quartz lamp radiation aerodynamic heating simulation experiment system plays an important role on the structure strength heat experiment. In order to reduce its price and enhance flexibility on control law design of experiment system, a design method for low-cost quartz lamp radiation aerodynamic heating simulation experiment system with control law flexible adjustment feature is proposed. The hardware part is constructed by taking Digital Signal Processor (DSP) as an implementing agency controller. The feedback temperature after processed is computed by DSP. But the experiment process control value is computed by computer. The feed- back temperature and experiment process control value data are transferred by serial communication model be- tween DSP and computer. The experiment process relation data is saved by computer with EXCEL file, includ- ing the given target spectrum, the feedback temperature and the control value. The results of experiments on system identification, PID spectrum tracking, different zone control and the open loop control show the effec- tiveness of the proposed method.
Highlights
Aerodynamic heating problem can bring many disadvantages to aircraft, such as structure stiffness reduction, intensity weaken, thermal stress, thermal strain and material ablation, especially for hypersonic flight condition
The first kind of method is based on Programmable Logic Controller (PLC) [7, 8]
Aiming to the low-cost quartz lamp radiation aerodynamic heating simulation experiment system design and enhance the data storage ability, this paper proposed an experiment system design method based on Digital Signal Processor (DSP) and computer
Summary
Aerodynamic heating problem can bring many disadvantages to aircraft, such as structure stiffness reduction, intensity weaken, thermal stress, thermal strain and material ablation, especially for hypersonic flight condition. As the radiation heating source, quartz lamp has following advantages such as the easier operation, lower expense, easier control for different zones, and the copy shape heater designed with test specimen. Some design methods for quartz lamp radiation aerodynamic heating simulation experiment system have been proposed. The design of low-cost quartz lamp radiation aerodynamic heating simulation experiment has good demand.
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