WO2006061892A1 - 温度制御方法、及び温度制御装置 - Google Patents
温度制御方法、及び温度制御装置 Download PDFInfo
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- WO2006061892A1 WO2006061892A1 PCT/JP2004/018297 JP2004018297W WO2006061892A1 WO 2006061892 A1 WO2006061892 A1 WO 2006061892A1 JP 2004018297 W JP2004018297 W JP 2004018297W WO 2006061892 A1 WO2006061892 A1 WO 2006061892A1
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- Prior art keywords
- temperature
- temperature control
- control
- constant
- algorithm
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
Definitions
- the present invention relates to a temperature control method and a temperature control device.
- PID Proportional, integral, derivative
- FIG. 1 is a flowchart showing an example of a conventional temperature control algorithm based on PID control.
- the manipulated variable is always proportional to the deviation between the target value (target temperature) and the current value (current temperature), depending on the integral and derivative factors. Since it is determined by performing calculations, it takes a long time for the calculation speed, which requires a large amount of calculation each time. Therefore, it was not possible to realize a sufficiently high-speed response.
- control factor was determined by empirical intuition or cut and try. From this point of view, the team was unable to realize an accurate and high-speed response.
- JP 2000-163101 A calculates a deviation between a current value detected from a control target and a target set value, and performs a PID control calculation according to the calculated deviation. After that, it is determined whether or not the current operation amount of the control target device is within the predetermined range, and when it is within the predetermined range, and the sign of the deviation is reversed, it is within the predetermined range.
- the PID control calculation value is multiplied by a preset output ratio according to the amount of movement of the signal, and a control action signal is output to the device to be controlled.
- a PID control method is disclosed in which a control operation signal is output to a control target device by multiplying a PID control calculation value by a preset output ratio according to the above.
- Patent Document 1 JP 2001-92501 A
- Patent Document 2 JP 2000-163101 A
- the present invention provides a novel temperature control algorithm having an accurate and fast response.
- the purpose of this is to accurately and quickly control the temperature of a given object using this temperature control algorithm.
- the present invention relates to a temperature control method characterized by using a temperature control algorithm of a thermostatic plant and performing temperature control of a predetermined object by feedback control using this algorithm.
- the present invention also provides:
- Temperature control means for performing temperature control of the object by performing feedback control using a temperature control algorithm of a thermostatic plant on the heating means;
- the present inventors have intensively studied to achieve the above object, and have searched for a temperature control algorithm having an accurate and high-speed response in place of the conventional PID control.
- a temperature control algorithm having an accurate and high-speed response in place of the conventional PID control.
- the use of the thermostatic characteristics of thermostatic plants for the reason that they are easy to collect and have sufficient thermostatic characteristics even at extremely low temperatures. I came up with.
- a plant called Samplsocarpus foetidus which grows naturally in cold regions such as Iwate Prefecture, can maintain its body temperature at about 20 ° C, despite fluctuations in the outside air temperature below the freezing point.
- the present inventors have found that the thermostatic plant has a temperature control algorithm having excellent accurate and high-speed responsiveness by analyzing the temperature control mechanism of such a thermostatic plant. By using this temperature control algorithm, we came up with the idea of controlling the temperature of the target object.
- the temperature control includes a first temperature control step in which a constant value is set as an operation amount until the temperature of the object reaches a target temperature, and the temperature of the object is equal to the target temperature. And a second temperature control step of determining an operation amount so that a change amount of the temperature of the object per control cycle becomes zero after reaching the temperature.
- FIG. 1 is a flowchart showing a conventional PID control algorithm.
- FIG. 2 is a configuration diagram showing an example of a temperature control device of the present invention.
- FIG. 3 is a flowchart showing an example of an algorithm in the temperature control method of the present invention.
- FIG. 4 is a graph showing an example of constant temperature control based on the temperature control method and temperature control device of the present invention.
- FIG. 5 is a graph showing an example of temperature rise temperature control based on the temperature control method and temperature control device of the present invention.
- FIG. 2 is a configuration diagram showing an example of the temperature control device of the present invention
- FIG. 3 is a flowchart showing an example of a temperature control algorithm in the control unit of the temperature control device of FIG.
- an object 12 for temperature control is placed on a heating means 11 composed of a Peltier element or the like. Further, a control unit 13 is provided. The control unit 13 monitors temperature information from the object 12 one by one and, based on the temperature control algorithm shown in FIG. To control the temperature of the object 12.
- the temperature control algorithm shown in FIG. 3 is based on the thermostatic temperature control mechanism of the thermostatic plant according to the present invention, and includes a first temperature control step shown in FIG. 3 (a) and FIG. 3 (b).
- the second temperature control process shown in FIG. In the first temperature control step, a constant value is set as the manipulated variable until the temperature of the object 11 reaches the target temperature. In the second temperature control step, after the temperature of the object 11 reaches the target temperature, the operation amount is determined so that the amount of change in the temperature of the object per control cycle becomes zero.
- the operation amount for reaching the target temperature in the first temperature control step described above and the operation amount for maintaining the target temperature in the second temperature control step described above. Can be calculated independently, so that the time required for the calculation can be shortened. Accordingly, sufficient high-speed response can be realized in the temperature control of the object 11.
- the control coefficient in Fig. 3 is obtained by extracting the actual constant temperature plant power, it is easy to theoretically derive the control coefficient. Accordingly, an accurate and high-speed response can be realized, and the object 11 can reach the aforementioned target temperature in a short time and can be accurately and stably maintained.
- the algorithm shown in Fig. 3 does not have an integral element, and thus does not generate vibration as in the conventional case. Therefore, the object 11 can reach the target temperature mentioned above for a short time and can be accurately and stably maintained.
- the second term (C Q) and the third term (C (T -T) are the first temperature described above.
- the temperature control of the object 11, particularly the constant temperature control can be performed accurately and at high speed.
- temperature control can be performed with a control error of 0.5 ° C— + 0.5 ° C with respect to the target temperature. Also, almost no overshoot or undershoot occurs during temperature rise control and temperature drop control.
- the type of the thermostat plant used in the present invention is not particularly limited as long as it has excellent thermostat characteristics, and preferably can extract an algorithm represented by the formula (1). Shi Preferably, use Zazen Sou.
- FIG. 4 shows a temperature change of the object 11 with respect to a change in the outside air temperature when the temperature control device 10 shown in FIG. 2 is used.
- the temperature control shown in Fig. 4 was implemented based on the algorithm shown in Equation (1), which was also extracted by Zazen Soka. As can be seen from the figure, the temperature of the object 11 remains almost constant even though the outside air temperature changes by about 10 ° C in the predetermined time interval. .
- FIG. 5 shows a temperature increase control process when the temperature control device 10 shown in FIG. 2 is used.
- the temperature control shown in Fig. 5 is also implemented based on the algorithm shown in equation (1) extracted from Zazenso. As is clear from the figure, overshoot and undershoot are not observed even in the temperature raising operation over several tens of degrees, and it is understood that the temperature raising control is performed with extremely accurate and high-speed response. .
Abstract
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006546584A JP4590569B2 (ja) | 2004-12-08 | 2004-12-08 | 温度制御方法、及び温度制御装置 |
EP04822565A EP1852765B1 (en) | 2004-12-08 | 2004-12-08 | Temperature control method and temperature controller |
US11/721,066 US8150558B2 (en) | 2004-12-08 | 2004-12-08 | Temperature control method and temperature controller |
PCT/JP2004/018297 WO2006061892A1 (ja) | 2004-12-08 | 2004-12-08 | 温度制御方法、及び温度制御装置 |
Applications Claiming Priority (1)
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PCT/JP2004/018297 WO2006061892A1 (ja) | 2004-12-08 | 2004-12-08 | 温度制御方法、及び温度制御装置 |
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WO2006061892A1 true WO2006061892A1 (ja) | 2006-06-15 |
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PCT/JP2004/018297 WO2006061892A1 (ja) | 2004-12-08 | 2004-12-08 | 温度制御方法、及び温度制御装置 |
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US (1) | US8150558B2 (ja) |
EP (1) | EP1852765B1 (ja) |
JP (1) | JP4590569B2 (ja) |
WO (1) | WO2006061892A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008234152A (ja) * | 2007-03-19 | 2008-10-02 | Iwate Univ | 温度制御装置、温度制御方法及び温度制御プログラム |
JP2012016089A (ja) * | 2010-06-29 | 2012-01-19 | Fujikura Ltd | 電力制御システム及び電力制御方法 |
Families Citing this family (2)
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US9737353B2 (en) | 2010-12-16 | 2017-08-22 | Biosense Webster (Israel) Ltd. | System for controlling tissue ablation using temperature sensors |
US8478434B2 (en) * | 2011-01-25 | 2013-07-02 | Young Hyun Moon | Output feedback frequency control device for rotating machine speed control |
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- 2004-12-08 WO PCT/JP2004/018297 patent/WO2006061892A1/ja active Application Filing
- 2004-12-08 EP EP04822565A patent/EP1852765B1/en active Active
- 2004-12-08 JP JP2006546584A patent/JP4590569B2/ja active Active
- 2004-12-08 US US11/721,066 patent/US8150558B2/en active Active
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JP2012016089A (ja) * | 2010-06-29 | 2012-01-19 | Fujikura Ltd | 電力制御システム及び電力制御方法 |
Also Published As
Publication number | Publication date |
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JP4590569B2 (ja) | 2010-12-01 |
EP1852765A1 (en) | 2007-11-07 |
US8150558B2 (en) | 2012-04-03 |
US20080215188A1 (en) | 2008-09-04 |
EP1852765A4 (en) | 2011-04-06 |
JPWO2006061892A1 (ja) | 2008-06-05 |
EP1852765B1 (en) | 2012-08-15 |
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