A method for establishing a heat transfer mathematical model of a radiometer temperature control system
A mathematical model, temperature control system technology, applied in general control systems, control/regulation systems, simulators, etc., can solve the problem of inability to describe the heat transfer model of the radiometer temperature control system, the influence of the receiver on the temperature control system cannot be ignored, handling issues
Active Publication Date: 2017-10-20
THE 22ND RES INST OF CHINA ELECTRONICS TECH GROUP CORP
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Problems solved by technology
Since the constant heat generated by the receiver is relatively large, and its calorific value is not affected by the temperature control system, when establishing the heat transfer model of the radiometer, the receiver and the heating body cannot be treated as a heat source, and the receiver has no effect on the temperature. The impact of the control system cannot be ignored, and the commonly used temperature control model cannot describe the heat transfer model of the radiometer temperature control system
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Embodiment 1
[0022] According to an embodiment of the present invention, a method for modeling a radiometer temperature control system is provided, figure 1 It is a flow chart of the embodiment of the present invention, and the above technical solution of the embodiment of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0023] Step A, analyze the heat transfer mathematical model of the radiometer temperature control system.
[0024] Step A specifically includes the following processing:
[0025] set up
[0026] Q R ——The heat generated by the receiver of the temperature control system
[0027] Q T ——The heat generated by the heating body of the temperature control system
[0028] T 内 ——The internal temperature of the temperature control system
[0029] C——Specific heat inside the temperature control system
[0030] H——heat transfer coefficient of temperature control system
[0031] T 外 ——The external temperature of the temp...
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The invention discloses a method for establishing a heat transfer model of a radiometer temperature control system. It includes the following steps: step A: analyze the heat transfer mathematical model of the radiometer temperature control system; step B: obtain the data required for modeling; step C: establish the temperature transfer model of the receiver from the data; step D: establish the receiver from the data A temperature transfer model for co-heating with a heating body. This modeling method can obtain the mathematical model of the separate heat transfer function of the receiver and the heating body, provide an effective model basis for the PID tuning of the modulation system, system simulation, etc., and prevent system oscillation caused by inappropriate PID parameters. The stability of the precision temperature control system provides the necessary basis.
Description
technical field [0001] The invention relates to technical fields such as data fitting, heat transfer modeling of a temperature control system, automatic control, etc., and in particular relates to a method for establishing a mathematical model of heat transfer of a radiometer temperature control system. Background technique [0002] The radiometer receiver is a key component of the radiometer system, and its characteristics determine the main performance indicators of the radiometer. The sensitivity of the radiometer is mainly determined by the gain change of the receiver, and the stability of the receiver gain is mainly affected by the temperature of the environment where the receiver is located. In order to obtain higher sensitivity and other indicators, ensure the stability of the receiver gain and keep the receiver A constant temperature is necessary for the machine to work. [0003] The constant temperature temperature control technology for a single heating source is ...
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IPC IPC(8): G05B17/02
Inventor 岳增祥毛云志黄传禄孙世杰于永杰张志国晁坤
Owner THE 22ND RES INST OF CHINA ELECTRONICS TECH GROUP CORP