Control of Wind Tunnel Test Temperature Using a Mathematical Model

机译：使用数学模型控制风洞测试温度

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An example of mathematical-model based control is presented, in which a mathematical model for the behavior of a low-speed wind tunnel is used to determine the control inputs necessary to control the test-section temperature during rapid changes in test windspeed. Development of the mathematical model from basic fluid-mechanic equations is shown, as well as the experimental measurements that were performed to determine the values of various model parameters that produce a high-fidelity simulation of the behavior of the actual wind tunnel. The results show that the mathematical model, when properly benchmarked against the actual wind-tunnel performance, can be used for accurate feedforward control of the wind-tunnel temperature, even without a complementing PID loop to reduce residual error.

机译：给出了一个基于数学模型的控制示例，其中使用了低速风洞行为的数学模型来确定在测试风速快速变化期间控制测试区温度所需的控制输入。显示了从基本流体力学方程式建立数学模型的过程，以及确定各种模型参数值的实验测量结果，这些参数可对实际风洞的行为进行高逼真度模拟。结果表明，该数学模型在正确地针对实际风洞性能进行基准测试时，即使没有互补的PID回路来减少残留误差，也可以用于风洞温度的精确前馈控制。

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《AIAA ground testing conference 2013》|2013年|61-72|共12页
会议地点 San Diego CA(US)
作者
Peter Sutcliffe; Alexander Vorobiev; R. Mark Rennie; Alan B. Cain;
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University of Notre Dame, Notre Dame, Indiana, 46545;

University of Notre Dame, Notre Dame, Indiana, 46545;

University of Notre Dame, Notre Dame, Indiana, 46545;

Innovative Technology Applications Co., Chesterfield, MO, 63006;

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Control of Wind Tunnel Test Temperature Using a Mathematical Model

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