IP Library › Granted Patent US 11,079,131

Granted Patent B2

US 11,079,131 · App. 16/595,554 · Granted Aug 3, 2021

Control method, control apparatus, and non-transitory computer-readable storage medium for storing program performed by computer

Inventor: Takeshi Konno (Kawasaki, JP)

Assignee: FUJITSU LIMITED

F24F11/30 F24F11/56 F24F11/61 F24F11/64 F24F11/65 G05B19/042 F24F2110/10 F24F2110/12 G05B2219/2614

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Quick Facts

Patent No.: US 11,079,131
App. No.: 16/595,554
Granted: Aug 3, 2021
Kind: B2

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Abstract

A control method includes: executing a generation process of generating criterion information based on history information regarding an operation of an air-conditioning apparatus, the criterion information being information used for switching a mode of the air-conditioning apparatus between a first mode and a second mode, the first mode being configured not to take an influence of an outdoor temperature into consideration, the second mode being configured to take the influence of the outdoor temperature into consideration, the air-conditioning apparatus being configured to perform air-conditioning control in a space based on the outdoor temperature and a room temperature of the space; and executing a control process when the air-conditioning apparatus performs air-conditioning in the space, the control process including performing control for switching the mode of the air-conditioning apparatus to the first mode or the second mode based on the outdoor temperature, the room temperature, and the criterion information.

Claims (61)

1. A control method performed by a computer, the method comprising:

storing history information regarding an operation of an air-conditioning apparatus, the air-conditioning apparatus being configured to perform air-conditioning control of an air flow provided to a space isolated at least in part from an outside space by a wall, the history information indicating one or more of temperatures measured in the space in morning time of days by the air-conditioning apparatus;

executing a generation process that includes generating criterion information by using the one or more of temperatures measured in the morning time of days indicated in the history information, the criterion information indicating threshold to be used for switching an operation mode of the air-conditioning apparatus between a first operation mode and a second operation mode, the first operation mode being a mode causing the air-conditioning apparatus to operate by a control scheme configured to determine an operation timing of the air-conditioning apparatus without taking an influence of an outdoor temperature into consideration, the second operation mode being a mode causing the air-conditioning apparatus to operate by a control scheme configured to determine an operation timing of the air-conditioning apparatus with taking the influence of the outdoor temperature into consideration; and

executing a control process in response to the generated criterion information, the control process including:

causing the air-conditioning apparatus to measure a temperature in the space;

comparing the temperature measured in the space with the threshold indicated in the criterion information;

in response to a comparison result indicating that the temperature measured in the space is equal to or less than the threshold, cause the air-conditioning apparatus to operate in the first operation mode, wherein a first operation start time when the air-conditioning apparatus in the first operation mode is required to start performing the air-conditioning control in order to adjust the temperature of the space to a specified temperature by a specified time is calculated without taking an influence of the outdoor temperature into consideration; and

in response to a comparison result indicating that the temperature measured in the space is greater than the threshold, cause the air-conditioning apparatus to operate in the second operation mode, wherein a second operation start time when the air-conditioning apparatus in the second operation mode is required to start performing the air-conditioning control in order to adjust the temperature of the space to the specified temperature by the specified time is calculated with taking an influence of the outdoor temperature into consideration, thereby the second operation start time is determined such that a time period from the second operation start time to the specified time is longer than a time period from the first operation start time to the specified time.

2. The control method according to claim 1 ,

wherein the generation process is configured to

compare a first median value with a first room temperature, the first median value being a median value of room temperatures obtained in the morning in the past, the first room temperature being a room temperature at time when the air-conditioning control is started,

select the first operation mode when the first room temperature is lower than the first median value, and

select the second operation mode when the first room temperature is higher than the first median value.

3. The control method according to claim 2 ,

wherein the generation process is configured to, when the second operation mode is selected, select a first air-conditioning control mode or a second air-conditioning control mode based a relationship between the first room temperature and the outdoor temperature, and

wherein an air-conditioning control period in the first air-conditioning control mode is different from an air-conditioning control period in the second air-conditioning control mode.

4. The control method according to claim 1 ,

wherein the criterion information is so configured that

when cooling is performed in the space, a cooling period in the first operation mode is shorter than a cooling period in the second operation mode, and

when heating is performed in the space, a heating period in the first operation mode is longer than a heating period in the second operation mode.

5. A control apparatus comprising:

a memory configured to store history information regarding an operation of an air-conditioning apparatus, the air-conditioning apparatus being configured to perform air-conditioning control of an air flow provided to a space isolated at least in part from an outside space by a wall, the history information indicating one or more of temperatures measured in the space in morning time of days by the air-conditioning apparatus; and

a processor coupled to the memory, the processor being configured to:

execute a generation process that includes generating criterion information by using the one or more of temperatures measured in the morning time of days indicated in the history information, the criterion information indicating threshold to be used for switching an operation mode of the air-conditioning apparatus between a first operation mode and a second operation mode, the first operation mode being a mode causing the air-conditioning apparatus to operate by a control scheme configured to determine an operation timing of the air-conditioning apparatus without taking an influence of an outdoor temperature into consideration, the second operation mode being a mode causing the air-conditioning apparatus to operate by a control scheme configured to determine an operation timing of the air-conditioning apparatus with taking the influence of the outdoor temperature into consideration; and,

execute a control process in response to the generated criterion information, the control process including:

causing the air-conditioning apparatus to measure a temperature in the space;

comparing the temperature measured in the space with the threshold indicated in the criterion information;

6. The control apparatus according to claim 5 ,

wherein the generation process is configured to

select the first operation mode when the first room temperature is lower than the first median value, and

select the second operation mode when the first room temperature is higher than the first median value.

7. The control apparatus according to claim 6 ,

wherein an air-conditioning control period in the first air-conditioning control mode is different from an air-conditioning control period in the second air-conditioning control mode.

8. The control apparatus according to claim 6 ,

wherein the criterion information is so configured that

when cooling is performed in the space, a cooling period in the first operation mode is shorter than a cooling period in the second operation mode, and

when heating is performed in the space, a heating period in the first operation mode is longer than a heating period in the second operation mode.

9. A non-transitory computer-readable storage medium for storing a program which causes a processor to perform processing, the processing comprising:

executing a control process in response to the generated criterion information, the control process including:

causing the air-conditioning apparatus to measure a temperature in the space;

comparing the temperature measured in the space with the threshold indicated in the criterion information;

10. The non-transitory computer-readable storage medium according to claim 9 ,

wherein the generation process is configured to

select the first operation mode when the first room temperature is lower than the first median value, and

select the second operation mode when the first room temperature is higher than the first median value.

11. The non-transitory computer-readable storage medium according to claim 10 ,

wherein an air-conditioning control period in the first air-conditioning control mode is different from an air-conditioning control period in the second air-conditioning control mode.

12. The non-transitory computer-readable storage medium according to claim 9 ,

wherein the criterion information is so configured that

when cooling is performed in the space, a cooling period in the first operation mode is shorter than a cooling period in the second operation mode, and

when heating is performed in the space, a heating period in the first operation mode is longer than a heating period in the second operation mode.

Assignments (1)

ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 8, 2019

From: KONNO, TAKESHI

To: FUJITSU LIMITED

Reel/Frame 050671/0325 →

Priority Claims (1)

JP JP2018-199239 · Oct 23, 2018 · national

Continuity (1)

Related Publication 20200124304A1 · Apr 23, 2020

Cited By (1)

US 12,241,646