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Air-conditioning control system

  • US 10,588,559 B2
  • Filed: 06/03/2016
  • Issued: 03/17/2020
  • Est. Priority Date: 07/31/2015
  • Status: Active Grant
First Claim
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1. An air-conditioning control system comprising:

  • a measurer measuring a body movement of a person in a room, a space of which is to be air-conditioned by an air conditioner;

    a deriver deriving heartbeat-related parameters based on a result of the measurement by the measurer, the heartbeat-related parameters being related to N-N intervals of the person;

    a determiner determining a stress level of the person at a current moment based on the heartbeat-related parameters;

    a receiver capable of receiving a use information item indicating a use of the space for the person; and

    an operation controller (i) selecting a heartbeat-related parameter to be changed from among the heartbeat-related parameters depending on a result of the determination by the determiner and the use information item, and (ii) controlling operation of the air conditioner to change the selected heartbeat-related parameter to be changed, whereinthe heartbeat-related parameters have priorities previously set for each of the use information items, the priorities being unchangeable and applicable when the heartbeat-related parameters are to be selected to be changed,the operation controller selects the heartbeat-related parameter to be changed, depending on the priorities corresponding to the received use information item, and the result of the determination by the determiner,the determiner compares the heartbeat-related parameters with thresholds each corresponding to one of the heartbeat-related parameters to determine the stress level of the person,for each of a plurality of stress levels, the heartbeat-related parameter to be changed for each of a plurality of use information items is set as follows;

    if none of the heartbeat-related parameters are below the thresholds, the heartbeat-related parameter included in the heartbeat-related parameters having a highest priority among the priorities is set as the heartbeat-related parameter to be changed;

    if one of the heartbeat-related parameters is below a corresponding one of the thresholds, either the one heartbeat-related parameter below the threshold or the heartbeat-related parameter having the highest priority is set as the heartbeat-related parameter to be changed; and

    if two or more of the heartbeat-related parameters are below respective thresholds among the thresholds, the heartbeat-related parameter having the highest priority among the two or more of the heartbeat-related parameters is set as the heartbeat-related parameter to be changed.

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