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A small-amplitude rapid temperature control device and method

A temperature control device and rapid control technology, applied in the direction of temperature control using electric methods, electric controllers, controllers with specific characteristics, etc., can solve problems such as long transition process and large temperature overshoot, and achieve reduction Effect of temperature overshoot

Active Publication Date: 2021-07-30
上海亚泰仪表有限公司
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  • Abstract
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  • Claims
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Problems solved by technology

[0009] In order to solve the technical problem that the transition process of the existing temperature control method is too long and the temperature overshoot is too large, the present invention provides a small-amplitude fast temperature control device and a small-amplitude fast temperature control method

Method used

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  • A small-amplitude rapid temperature control device and method
  • A small-amplitude rapid temperature control device and method
  • A small-amplitude rapid temperature control device and method

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Embodiment Construction

[0094] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Although the description of the invention will be presented in conjunction with a preferred embodiment, it is not intended that the features of the invention be limited to that embodiment only. On the contrary, the purpose of introducing the invention in conjunction with the embodiments is to cover other options or modifications that may be extended based on the claims of the present invention. The following description contains numerous specific details in order to provide a thorough understanding of the present invention. The invention may also be practiced without these details. Also, some specific details will be omitted from the description in order to avoid obscuring or obscuring the gist of the present inventio...

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Abstract

The invention belongs to the field of automatic control, and specifically discloses a small-amplitude rapid temperature control device and method. The method includes: obtaining the real-time temperature of the controlled object, and recording the initial temperature of the controlled object; responding to the fact that the initial temperature is lower than the set temperature relative to the target temperature, heating the controlled object; recording the minimum temperature during the heating process; and responding When the real-time temperature is greater than the sum of the minimum temperature and the floating value, stop heating the controlled object. The invention can make the temperature of the controlled object approach the target temperature quickly, and effectively reduce the temperature overshoot in the control process.

Description

technical field [0001] The invention belongs to the field of automatic control, and in particular relates to a small-amplitude fast temperature control device and a small-amplitude fast temperature control method. Background technique [0002] In the field of automatic control, PID closed-loop control is usually used to control the temperature of the controlled object. In the temperature control system, the mathematical model of the control object (temperature) can generally be approximated as a first-order inertia link with pure hysteresis, which can be expressed by the following formula: [0003] [0004] In the formula: Kw is the gain of the object; L is the pure lag time of the object; T is the time constant of the object; S is the complex variable of Laplace transform. [0005] Most of the existing PID tuning methods adopt the bit type (On-Off) oscillation method, and the tuning process is as follows: figure 1 As shown, the temperature of the controlled object fluc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D23/19G05B11/42
CPCG05B11/42G05D23/19
Inventor 刘德国王健安杨先斌詹丽萍
Owner 上海亚泰仪表有限公司
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