Drying control method for clothes drying equipment
By acquiring the drying time, ambient temperature, and drying level of the drying equipment, the preset temperature is determined and the temperature inside the drum is judged, solving the problem that existing drying equipment cannot accurately determine when the drying is over, thus improving the user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- QINGDAO HAIER WASHING ELECTRIC APPLIANCES CO LTD
- Filing Date
- 2021-07-16
- Publication Date
- 2026-07-17
AI Technical Summary
Existing clothes drying equipment struggles to accurately determine the optimal time to end the drying process, resulting in a poor user experience.
By acquiring the drying time, ambient temperature, and drying level of the dryer, the preset temperature is determined, and the timing for ending the drying program is judged based on the temperature inside the drum. The drying level coefficient is then adjusted based on user feedback.
It improves the accuracy of the drying program's end time, enhancing the user experience.
Smart Images
Figure CN115613333B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of drying technology, and specifically provides a drying control method for drying equipment. Background Technology
[0002] Clothes dryers, as a type of home appliance for drying clothes, have seen a rapid increase in popularity in China in recent years, indicating a huge market potential. However, existing clothes dryers typically consume a lot of electricity, and the drying effect of some models is unsatisfactory to users. Specifically, although existing clothes dryers use slightly different methods to determine when the drying program is finished, most rely on calculating the temperature difference between the inside and outside of the drum to determine if the clothes are dry enough. If the temperature difference meets a preset condition, the drying program stops and enters the cooling phase. Furthermore, due to variations in drum load and the desired dryness level for the clothes, this method of calculating the temperature difference based on a fixed preset temperature is difficult to accurately determine. This leads to the problem that existing clothes dryers struggle to accurately determine the optimal time to end the drying program, negatively impacting the user experience. Summary of the Invention
[0003] The present invention aims to solve the above-mentioned technical problem, namely, to solve the problem that existing drying equipment has difficulty in accurately determining the optimal time to end the drying process.
[0004] In a first aspect, the present invention provides a drying control method for a clothes drying device, the drying control method comprising:
[0005] The drying time of the drying equipment, the ambient temperature of the drying equipment, and the drying level of the drying equipment are obtained.
[0006] The preset temperature is determined based on the drying time of the drying equipment, the ambient temperature of the drying equipment, and the drying level of the drying equipment.
[0007] Obtain the temperature inside the drum of the clothes drying device;
[0008] The timing for the drying process to end is determined based on the preset temperature and the temperature inside the drying drum of the drying equipment.
[0009] In the preferred embodiment of the above drying control method, the step of "determining the timing for the drying equipment to end the drying process based on the preset temperature and the drum temperature of the drying equipment" specifically includes:
[0010] Compare the preset temperature with the temperature inside the dryer drum;
[0011] Based on the comparison between the preset temperature and the temperature inside the drying drum of the clothes drying equipment, the timing for the clothes drying equipment to end the drying process is determined.
[0012] In the preferred embodiment of the above drying control method, the step of "determining the timing for the drying equipment to end the drying process based on the comparison between the preset temperature and the drum temperature of the drying equipment" specifically includes:
[0013] If the temperature inside the drying drum of the drying equipment is greater than the preset temperature, the drying equipment will be controlled to end the drying process.
[0014] In the preferred embodiment of the above drying control method, the step of "determining the preset temperature based on the drying time of the drying equipment, the ambient temperature of the drying equipment, and the drying level of the drying equipment" specifically includes:
[0015] First, determine the temperature correction value based on the ambient temperature of the drying equipment and the drying level of the drying equipment;
[0016] The preset temperature is then determined using the following formula:
[0017] T = k1t + z
[0018] Where T is the preset temperature, k1 is the first correction coefficient, t is the drying time of the clothes drying equipment, and z is the temperature correction value.
[0019] In the preferred embodiment of the above drying control method, the step of "first determining the temperature correction value based on the ambient temperature of the drying equipment and the drying level of the drying equipment" specifically includes determining the temperature correction value using the following formula:
[0020] z = k2T0 + k3z0
[0021] Where z is the temperature correction value, k2 is the second correction coefficient, T0 is the ambient temperature of the drying equipment, k3 is the third correction coefficient, and z0 is the coefficient corresponding to the drying level of the drying equipment.
[0022] In a preferred embodiment of the above-mentioned drying control method, the drying control method further includes:
[0023] After the drying process is completed, obtain the satisfaction level of the drying results;
[0024] Based on the satisfaction level of the drying results obtained, the coefficients corresponding to the drying level used in the next drying process are selectively corrected.
[0025] In the preferred embodiment of the above drying control method, the step of "selectively correcting the coefficient corresponding to the drying grade used in the next drying process based on the satisfaction level of the obtained drying result" specifically includes:
[0026] If the obtained drying result is too dry or too wet, the coefficient corresponding to the drying grade used in the next drying process will be corrected.
[0027] In the preferred embodiment of the above drying control method, the step of "correcting the coefficient corresponding to the drying grade used in the next drying process" specifically includes:
[0028] First, determine the coefficient correction value based on the satisfaction level of the obtained drying results;
[0029] Then correct it using the following formula:
[0030] C = z0 + Kc
[0031] Wherein, C is the corrected coefficient, z0 is the coefficient corresponding to the drying level of the drying equipment, and Kc is the correction value of the coefficient.
[0032] In the preferred embodiment of the above drying control method, the step of "determining the coefficient correction value based on the satisfaction level of the obtained drying result" includes:
[0033] If the obtained drying result is over-drying, then the coefficient correction value Kc is determined to be negative;
[0034] If the obtained drying result is too wet, then the coefficient correction value Kc is determined to be positive.
[0035] In the preferred embodiment of the above drying control method, the step of "determining the coefficient correction value based on the satisfaction level of the obtained drying result" further includes:
[0036] The lower the satisfaction level of the obtained drying result, the larger the value of the determined coefficient correction value.
[0037] By adopting the above technical solution, the present invention can determine the preset temperature based on the drying time of the drying equipment, the ambient temperature of the drying equipment, and the drying level of the drying equipment, so that the preset temperature can always match the current working conditions. Then, based on the preset temperature and the temperature inside the drum of the drying equipment, the timing of the drying equipment ending the drying process is determined, thereby effectively improving the accuracy of the judgment result and enhancing the user experience. Attached Figure Description
[0038] The preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:
[0039] Figure 1 This is a flowchart of the main steps of the drying control method of the present invention;
[0040] Figure 2 This is a flowchart illustrating the specific steps of a preferred embodiment of the drying control method of the present invention;
[0041] Figure 3 This is a graph showing the relationship between drying time and temperature inside the drum. Detailed Implementation
[0042] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the invention and are not intended to limit the scope of protection of the invention. Those skilled in the art can make adjustments as needed to adapt to specific applications. For example, the drying equipment described in this invention can be either a dryer or a washer-dryer combo; these are not limiting. Those skilled in the art can define the application of the drying control method of the present invention according to actual usage requirements. Such changes in the application do not deviate from the basic principles of the present invention and fall within the scope of protection of the present invention.
[0043] It should be noted that in the description of this preferred embodiment, terms such as "inner" and "outer," indicating directional or positional relationships, are based on the directional or positional relationships shown in the accompanying drawings. This is merely for ease of description and does not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation; therefore, it should not be construed as a limitation of the present invention. Furthermore, in the description of the present invention, unless otherwise explicitly specified and limited, the term "connected" should be interpreted broadly. For example, it can refer to an electrical connection or a mechanical connection; it can refer to a direct connection or an indirect connection through an intermediate medium; it can also refer to the internal connection of two elements. Those skilled in the art can understand the specific meaning of the above terms in the present invention according to the specific circumstances.
[0044] Furthermore, it should be noted that although the various steps of the control method of the present invention are described in a specific order in the description of the present invention, these orders are not restrictive. Without departing from the basic principles of the present invention, those skilled in the art can perform the steps in different orders.
[0045] Specifically, taking a heat pump dryer as an example, the dryer of this invention includes a housing and a drying drum and a drying channel disposed within the housing. The drying drum and the drying channel are connected, and a heat pump circulation system is provided in the drying channel. The heat pump circulation system includes a refrigerant circulation loop and an evaporator, a compressor, and a condenser disposed on the refrigerant circulation loop. During air circulation, humid air that has absorbed moisture from the drying drum is sent into the drying channel and dehumidified by the evaporator. The dehumidified air then flows through the condenser for heating, and the heated air is sent back to the drying drum, thereby achieving circulating drying and dehumidification, and thus achieving the effect of drying clothes. It should be noted that this invention does not impose any restrictions on the specific type of dryer; those skilled in the art can set it according to actual usage needs, as long as the dryer can dry clothes.
[0046] Furthermore, the drying device of the present invention also includes an internal temperature sensor, an ambient temperature sensor, and a controller. The internal temperature sensor detects the temperature inside the drying drum, the ambient temperature sensor detects the ambient temperature of the drying device, and the controller acquires the detection data from the internal and ambient temperature sensors and controls the operating state of the drying device, such as controlling when the drying process ends. Those skilled in the art will understand that the present invention does not impose any limitations on the specific structure and model of the controller, and the controller can be either the original controller of the drying device or a controller specifically designed to execute the drying control method of the present invention. Technicians can customize the structure and model of the controller according to actual usage requirements.
[0047] First refer to Figure 1 This figure is a flowchart of the main steps of the drying control method of the present invention. Figure 1 As shown, based on the drying equipment described in the above embodiments, the drying control method of the present invention mainly includes the following steps:
[0048] S1: Obtain the drying time of the drying equipment, the ambient temperature of the drying equipment, and the drying level of the drying equipment;
[0049] S2: Determine the preset temperature based on the drying time of the drying equipment, the ambient temperature of the drying equipment, and the drying level of the drying equipment;
[0050] S3: Obtain the temperature inside the dryer drum;
[0051] S4: Determine when the drying process ends based on the preset temperature and the temperature inside the drying drum.
[0052] Further, in step S1, the controller can acquire the drying time of the drying equipment, the ambient temperature of the drying equipment, and the drying level of the drying equipment. The drying time is the cumulative duration of operation of the drying equipment since the start of the current drying program. The ambient temperature of the drying equipment can be measured by the ambient temperature sensor. The drying level of the drying equipment can be set by the user through the control panel of the drying equipment, or it can be set by the drying equipment through other control logic. It should be noted that the above acquisition methods are not restrictive, and technicians can also set them according to actual usage needs, as long as the drying time, ambient temperature, and drying level of the drying equipment can be obtained.
[0053] Next, in step S2, the controller determines the preset temperature based on the drying time of the drying equipment, the ambient temperature of the drying equipment, and the drying level of the drying equipment obtained in step S1. It should be noted that this invention does not impose any restrictions on the specific determination method; those skilled in the art can set it according to actual usage needs. For example, it can be determined through a table or by calculation; these are not limiting factors.
[0054] Furthermore, in step S3, the controller can obtain the temperature inside the drying drum of the drying equipment through the drum temperature sensor. Of course, this invention does not impose any restrictions on the specific location or number of the drum temperature sensor; those skilled in the art can set it according to actual usage needs. For example, it can be located at the bottom of the drying drum or at the junction of the drying drum and the drying channel. In addition, it should be noted that this invention does not impose any restrictions on the specific timing of step S3; those skilled in the art can set it according to actual usage needs. For example, step S3 can be executed simultaneously with step S1, or even before step S1; this is not restrictive.
[0055] Next, in step S4, the controller can determine when the drying process ends based on the preset temperature and the temperature inside the drum of the drying equipment. It should be noted that this invention does not impose any restrictions on the specific determination method; those skilled in the art can set it according to actual usage needs. As long as the timing of ending the drying process is determined based on the preset temperature and the temperature inside the drum of the drying equipment, it falls within the scope of protection of this invention. For example, the timing of ending the drying process can be determined by directly comparing the magnitude of the preset temperature and the temperature inside the drum of the drying equipment, or the difference or ratio between the preset temperature and the temperature inside the drum of the drying equipment can be calculated first, and then the timing of ending the drying process can be determined based on the calculation result.
[0056] See next Figure 2 This figure is a flowchart illustrating the specific steps of a preferred embodiment of the drying control method of the present invention. Figure 2 As shown, based on the drying equipment described in the above preferred embodiments, a preferred embodiment of the drying control method of the present invention specifically includes the following steps:
[0057] S101: Obtain the drying time of the drying equipment, the ambient temperature of the drying equipment, and the drying level of the drying equipment;
[0058] S102: Determine the temperature correction value based on the ambient temperature of the drying equipment and the drying level of the drying equipment;
[0059] S103: Determine the preset temperature based on the drying time and temperature correction value of the clothes drying equipment;
[0060] S104: Obtain the temperature inside the dryer drum;
[0061] S105: Compare the preset temperature with the temperature inside the dryer drum;
[0062] S106: If the temperature inside the drum of the drying equipment is higher than the preset temperature, control the drying equipment to end the drying program.
[0063] S107: After the drying process is completed, obtain the satisfaction level of the drying results;
[0064] S108: If the drying result obtained this time is too dry or too wet, then the coefficient corresponding to the drying grade used in the next drying program shall be corrected.
[0065] Firstly, as an example, in this preferred embodiment, the drying device is equipped with three drying levels: a first drying level, a second drying level, and a third drying level. The first drying level represents a lower degree of drying, where the dried clothes still retain some moisture, suitable for clothes that require ironing after drying. The second drying level represents a medium degree of drying, where the dried clothes are dry but still contain a small amount of moisture, suitable for clothes that will be worn again in a short time. The third drying level represents a higher degree of drying, where the dried clothes are very dry, suitable for clothes that need to be stored for a long time.
[0066] It should be noted that although the drying equipment described in this preferred embodiment has three drying levels, this is obviously not limiting. Technicians can also set it according to actual usage needs, as long as the clothes treated by different drying levels can have different degrees of dryness.
[0067] Extensive experiments have shown that different weights ( Figure 3 The diagram shows the relationship between drying time and drum temperature when clothes weighing 0.5kg, 1.5kg, and 2kg are subjected to drying tests. Figure 3 The three curves shown represent the relationship curves used in existing clothes drying equipment control methods. Specifically, as the drying time changes, the temperature inside the drying drum first rises rapidly, then stabilizes, and then rises again as the clothes are nearly dry. Based on the control method of this invention, the drying time and drum temperature can be fitted into a straight line related to the drying level (e.g., ...). Figure 3 The three parallel straight lines shown in the figure enable the control method of the present invention to accurately determine the timing of the end of the drying process based on the straight lines at different drying levels.
[0068] Specifically, in step S101, the controller can acquire the drying time of the drying equipment, the ambient temperature of the drying equipment, and the drying level of the drying equipment. The drying time is the cumulative duration of operation of the drying equipment since the start of the current drying program. The ambient temperature of the drying equipment can be measured by the ambient temperature sensor. The drying level of the drying equipment can be set by the user through the control panel of the drying equipment, or it can be set by the drying equipment through other control logic. It should be noted that the above acquisition methods are not restrictive, and technicians can also set them according to actual usage needs, as long as the drying time, ambient temperature, and drying level of the drying equipment can be obtained.
[0069] Next, in step S102, the controller can first determine a temperature correction value based on the ambient temperature of the drying equipment and the drying level of the drying equipment. Of course, the present invention does not impose any restrictions on the specific determination method. Technicians can set it themselves according to actual usage needs. As long as the temperature correction value is determined based on the ambient temperature of the drying equipment and the drying level of the drying equipment, it falls within the protection scope of the present invention.
[0070] As a preferred method of determination, the temperature correction value is determined by the following formula:
[0071] z = k2T0 + k3z0
[0072] Where z is the temperature correction value, k2 is the second correction coefficient, T0 is the ambient temperature of the drying equipment, k3 is the third correction coefficient, and z0 is the coefficient corresponding to the drying level of the drying equipment.
[0073] It should be noted that the present invention does not impose any restrictions on the specific values of the second correction coefficient k2 and the third correction coefficient k3, which can be set by the technicians according to the specific type of the drying equipment; furthermore, the present invention does not impose any restrictions on the specific value of the coefficient z0 corresponding to the drying level of the drying equipment, which can be set by the technicians according to the different drying levels of the drying equipment.
[0074] Furthermore, in step S103, the controller can determine the preset temperature based on the drying time of the clothes drying equipment and the temperature correction value determined in step S102. It should be noted that the present invention does not impose any restrictions on the specific determination method. Technicians can set it themselves according to actual usage needs. As long as the preset temperature is determined based on the drying time of the clothes drying equipment and the temperature correction value, it falls within the protection scope of the present invention.
[0075] As a preferred method of determination, the preset temperature is determined by the following formula:
[0076] T = k1t + z
[0077] Where T is the preset temperature, k1 is the first correction coefficient, t is the drying time of the clothes drying equipment, and z is the temperature correction value.
[0078] It should be noted that the present invention does not impose any restrictions on the specific value of the first correction coefficient k1, and those skilled in the art can set it according to the specific type of the drying equipment.
[0079] Through numerous experiments, it was found that... Figure 3The slopes of the three straight lines shown are minimally affected by the drying level of the drying equipment and the ambient temperature of the drying equipment, and can be almost ignored. However, the drying level of the drying equipment and the ambient temperature of the drying equipment have a significant impact on the intersection of the straight lines and the vertical axis. Therefore, it is necessary to first determine the temperature correction value based on the ambient temperature of the drying equipment and the drying level of the drying equipment, and then determine the preset temperature based on the temperature correction value, so as to effectively ensure the accuracy of the judgment result.
[0080] Combining the above two formulas, the step of determining the preset temperature based on the drying time of the drying equipment, the ambient temperature of the drying equipment, and the drying level of the drying equipment can be directly determined using the following formula:
[0081] T = k1t + k2T0 + k3z0
[0082] Wherein, T is the preset temperature, k1 is the first correction coefficient, t is the drying time of the drying equipment, k2 is the second correction coefficient, T0 is the ambient temperature of the drying equipment, k3 is the third correction coefficient, and z0 is the coefficient corresponding to the drying level of the drying equipment.
[0083] Next, in step S104, the controller can obtain the temperature inside the drying device through the internal temperature sensor. It should be noted that the present invention does not impose any restrictions on the specific timing of step S104; those skilled in the art can set it according to actual usage needs. For example, step S104 can be executed simultaneously with step S101, or between step S101 and step S103; these are not limiting factors.
[0084] Further, in step S105, the controller can compare the preset temperature with the drum temperature of the drying equipment to determine when the drying equipment should end the drying process based on the comparison result. Specifically, if the drum temperature of the drying equipment is greater than the preset temperature, the controller controls the drying equipment to end the drying process; if the drum temperature of the drying equipment is not greater than the preset temperature, the drying process continues.
[0085] Furthermore, in step S107, after the drying process ends, the controller can also obtain the satisfaction level of the drying result. The user can provide feedback through the control terminal of the drying equipment or through a mobile terminal; neither is limiting. As a preferred method, if the user is dissatisfied with the drying result, the controller can further obtain whether the user's feedback is that the drying is too dry or too wet, and can also further obtain the degree of dissatisfaction.
[0086] Based on the results obtained in step S107, if the drying result obtained by the controller is too dry or too wet, the coefficient corresponding to the drying level used in the next drying program will be corrected to effectively meet the needs of different users and further improve the user's drying experience. It should be noted that this invention does not impose any restrictions on the specific correction method; technicians can set it according to actual usage needs, as long as it effectively meets the user's drying requirements.
[0087] As a preferred correction method, the controller can first determine the coefficient correction value based on the satisfaction level of the current drying result; specifically, if the current drying result is over-dry, the coefficient correction value Kc is determined to be negative; if the current drying result is over-wet, the coefficient correction value Kc is determined to be positive; the lower the satisfaction level of the current drying result, the larger the value corresponding to the determined coefficient correction value.
[0088] Then correct it using the following formula:
[0089] C = z0 + Kc
[0090] Wherein, C is the corrected coefficient, z0 is the coefficient corresponding to the drying level of the drying equipment, and Kc is the correction value of the coefficient.
[0091] Based on the above correction method, users can make corresponding corrections to the coefficients corresponding to different drying levels. Of course, this correction method is not restrictive, and technicians can set it themselves according to actual usage needs. For example, users can also directly input the coefficient correction value.
[0092] As one implementation method, technicians can make corresponding settings by setting a drying effect intensity adjustment knob on the drying equipment or by setting a drying effect intensity adjustment bar on a mobile terminal APP. For example, if the coefficient corresponding to the first drying level is 1, the coefficient corresponding to the second drying level is 2, and the coefficient corresponding to the third drying level is 3, and the adjustment range of the drying effect intensity adjustment bar is -100 to +100, denoted as x. When the user corrects the coefficient corresponding to the first drying level, the user can input the specific value of x according to the usage requirements. The coefficient correction value Kc can be determined by the following formula:
[0093] Kc=(x / 100)*(z 02 -z 01 )
[0094] Among them, z 02 z is the coefficient corresponding to the second drying level of the dryer. 01This is the coefficient corresponding to the first drying level of the drying equipment.
[0095] The technical solution of the present invention has been described above with reference to the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after such changes or substitutions will all fall within the scope of protection of the present invention.
Claims
1. A drying control method for a clothes drying equipment, characterized in that, The drying control method includes: The drying time of the drying equipment, the ambient temperature of the drying equipment, and the drying level of the drying equipment are obtained. The preset temperature is determined based on the drying time of the drying equipment, the ambient temperature of the drying equipment, and the drying level of the drying equipment. The steps include: first, determining a temperature correction value based on the ambient temperature of the drying equipment and the drying level of the drying equipment. The temperature correction value is determined by the following formula: Where z is the temperature correction value. This is the second correction factor. The ambient temperature at which the clothes drying equipment is located. This is the third correction factor. The coefficient corresponding to the drying level of the dryer. The preset temperature is then determined using the following formula: Where T is the preset temperature. is the first correction coefficient, t is the drying time of the clothes drying equipment, and z is the temperature correction value; Obtain the temperature inside the drum of the clothes drying device; The timing for the drying process to end is determined based on the preset temperature and the temperature inside the drying drum of the drying equipment.
2. The drying control method according to claim 1, characterized in that, The step of "determining when to end the drying process of the clothes drying equipment based on the preset temperature and the temperature inside the drum of the clothes drying equipment" specifically includes: Compare the preset temperature with the temperature inside the dryer drum; Based on the comparison between the preset temperature and the temperature inside the drying drum of the drying equipment, the timing for the drying equipment to end the drying process is determined.
3. The drying control method according to claim 2, characterized in that, The step of "determining when to end the drying process of the clothes drying equipment based on the comparison between the preset temperature and the temperature inside the drum of the clothes drying equipment" specifically includes: If the temperature inside the drying drum of the drying equipment is greater than the preset temperature, the drying equipment will be controlled to end the drying process.
4. The drying control method according to claim 1, characterized in that, The drying control method further includes: After the drying process is completed, obtain the satisfaction level of the drying results; Based on the satisfaction level of the drying results obtained, the coefficients corresponding to the drying level used in the next drying process are selectively corrected.
5. The drying control method according to claim 4, characterized in that, The step of "selectively correcting the coefficient corresponding to the drying grade used in the next drying process based on the satisfaction level of the obtained drying results" specifically includes: If the obtained drying result is too dry or too wet, the coefficient corresponding to the drying grade used in the next drying process will be corrected.
6. The drying control method according to claim 5, characterized in that, The step of "correcting the coefficient corresponding to the drying grade used in the next drying process" specifically includes: First, determine the coefficient correction value based on the satisfaction level of the obtained drying results; Then correct it using the following formula: in, These are the corrected coefficients. This is a coefficient corresponding to the drying level of the drying equipment. This is the correction value for the coefficient.
7. The drying control method according to claim 6, characterized in that, The step of "first determining the coefficient correction value based on the satisfaction level of the obtained drying results" includes: If the obtained drying result is over-drying, then the coefficient correction value is determined. It is a negative value; If the obtained drying result is too wet, then the coefficient correction value is determined. It is a positive value.
8. The drying control method according to claim 6, characterized in that, The step of "first determining the coefficient correction value based on the satisfaction level of the obtained drying results" also includes: The lower the satisfaction level of the obtained drying result, the larger the value of the determined coefficient correction value.