IP Library Granted Patent US 12,474,075
Granted Patent B2
US 12,474,075 · App. 18/267,107 · Granted Nov 18, 2025

Air-conditioning apparatus control device

Inventors: Ryuta Tanaka (Tokyo, JP); Mio Motodani (Tokyo, JP)
Assignee: MITSUBISHI ELECTRIC CORPORATION
F24F11/63F24F2110/10F24F2120/12
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Quick Facts
Patent No.
US 12,474,075
App. No.
18/267,107
Granted
Nov 18, 2025
Kind
B2
Abstract

An air-conditioning apparatus control device that controls an air-conditioning apparatus and includes an airflow side model construction unit configured to construct an airflow side model, an equipment side model construction unit configured to construct an equipment side model, a coupled optimization execution unit having an objective function calculation unit that calculates a value of an objective function for the air-conditioned space and a sensitivity derivation unit that derives sensitivity, which is change in the objective function when a control variable is changed, and configured to calculate an optimum solution by optimizing the objective function based on the airflow side model and the objective function based on the equipment side model, and a control target value determination unit configured to determine a control target value for the air-conditioning apparatus from the optimum solution.

Claims (35)

1 . An air-conditioning apparatus control device configured to control an air-conditioning apparatus performing air conditioning in an air-conditioned space, comprising:

airflow side model construction circuitry configured to construct an airflow side model for simulating a heating energy environment in the air-conditioned space;

equipment side model construction circuitry configured to construct an equipment side model for simulating a restriction of behavior of a device that the air-conditioning apparatus has and for simulating a capacity of the device;

coupled optimization execution circuitry having objective function calculation circuitry that is configured to calculate a value of an objective function for the air-conditioned space and configured to determine a coefficient that weights the objecting function based on the equipment side model for the objective function based on the airflow side model, and sensitivity derivation circuitry that derives sensitivity, which is change in the objective function when a control variable is changed, the coupled optimization execution circuitry being configured to calculate an optimum solution by optimizing the objective function based on the airflow side model and the objective function based on the equipment side model by using an inverse analysis method;

control target value determination circuitry configured to determine a control target value for the air-conditioning apparatus from the optimum solution; and

an air-conditioning control command circuitry configured to cause an actual temperature in the air-conditioned space to follow the control target value.

2 . The air-conditioning apparatus control device of claim 1 , further comprising:

target region specification circuitry configured to specify an air-conditioned region in which air conditioning is performed within the air-conditioned space; and

temperature sensor extraction circuitry configured to extract, from a plurality of temperature sensors installed in the air-conditioned space, a temperature sensor detecting a temperature in which the heating energy environment of the air-conditioned region is reflected,

wherein the objective function calculation circuitry is configured to calculate a value of the objective function for the air-conditioned region in the air-conditioned space.

3 . The air-conditioning apparatus control device of claim 2 , further comprising:

figure determination circuitry configured to detect a position of a human figure in the air-conditioned space,

wherein the target region specification circuitry specifies the position of the human figure detected by the figure determination circuitry as the air-conditioned region.

4 . The air-conditioning apparatus control device of claim 2 , further comprising:

terminal information acquisition circuitry configured to detect a position of a terminal device located in the air-conditioned space,

wherein the target region specification circuitry specifies the position of the terminal device obtained by the terminal information acquisition circuitry as the air-conditioned region.

5 . The air-conditioning apparatus control device of claim 1 , further comprising:

scalar model construction circuitry configured to construct a scalar model using a passive scalar distribution,

wherein the objective function calculation circuitry is configured to calculate the objective function including the scalar model.

6 . The air-conditioning apparatus control device of claim 2 , further comprising:

scalar model construction circuitry configured to construct a scalar model using a passive scalar distribution,

wherein the objective function calculation circuitry is configured to calculate a value of the objective function including the scalar model.

7 . The air-conditioning apparatus control device of claim 3 , further comprising:

scalar model construction circuitry configured to construct a scalar model using a passive scalar distribution circuitry,

wherein the objective function calculation circuitry is configured to calculate a value of the objective function including the scalar model.

8 . The air-conditioning apparatus control device of claim 4 , further comprising:

scalar model construction circuitry configured to construct a scalar model using a passive scalar distribution,

wherein the objective function calculation circuitry calculates a value of the objective function including the scalar model.

9 . An air-conditioning apparatus control device configured to control an air-conditioning apparatus performing air conditioning in an air-conditioned space, comprising:

airflow side model construction circuitry configured to construct an airflow side model for simulating a heating energy environment in the air-conditioned space;

equipment side model construction circuitry configured to construct an equipment side model for simulating a restriction of behavior of a device that the air-conditioning apparatus has and for simulating a capacity of the device;

scalar model construction circuitry configured to construct a scalar model using a passive scalar distribution;

coupled optimization execution circuitry having objective function calculation circuitry that is configured to calculate a value of an objective function including the scalar model for the air-conditioned space and sensitivity derivation circuitry that derives sensitivity, which is change in the objective function when a control variable is changed, the coupled optimization execution circuitry being configured to calculate an optimum solution by optimizing the objective function based on the airflow side model and the objective function based on the equipment side model by using an inverse analysis method;

control target value determination circuitry configured to determine a control target value for the air-conditioning apparatus from the optimum solution; and

an air-conditioning control command circuitry configured to cause an actual temperature in the air-conditioned space to follow the control target value.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 14, 2023
From: TANAKA, RYUTA; MOTODANI, MIO
To: MITSUBISHI ELECTRIC CORPORATION
Reel/Frame 063943/0780 →
Continuity (1)
Related Publication 20240044540A1 · Feb 8, 2024
References Cited (13)
US 20090276193A1 · Momose et al. · 2009 [cited by applicant]
US 20150041550A1 · Honda · 2015 [cited by applicant]
EP 2017755A1 · 2009 [cited by applicant]
JP 4016066B1 · 2007 [cited by applicant]
JP 2012237484A · 2012 [cited by applicant]
JP 2015036589A · 2015 [cited by applicant]
JP 2016003827A · 2016 [cited by applicant]
JP 2017151617A · 2017 [cited by applicant]
WO 2018203368A1 · 2018 [cited by applicant]
International Search Report and Written Opinion mailed on Mar. 30, 2021, received for PCT Application PCT/JP2021/001012, filed on Jan. 14, 2021, 10 pages including English Translation. [cited by applicant]
Harayama et al. “Development of Thermal Comfort Control Technology for Indoor Arbitrary Area Based on Distribution Simulation”, The Society of Heating, Air-Conditioning Sanitary Engineers of Japan, Sep. 1, 2010, pp. 741… [cited by applicant]
Notice of Reasons for Refusal mailed on Oct. 19, 2021, received for JP Application 2021-532450, 9 pages including English Translation. [cited by applicant]
Extended European Search Report issued Jan. 15, 2024 in European Patent Application No. 21919325.7, 10 pages. [cited by applicant]