Space heating control using acceptable set-point temperature estimation by a statistical approach in the lyon smart community project

Yano, Tōru

doi:10.1109/icit.2018.8352428

Cited by 4 publications

(9 citation statements)

References 18 publications

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“…Further, the present study uses data different from those used in [17]. Reference [18] partially reported the first experimental evaluation, where the proposed method was actually applied in 36 apartments in France. That study showed how the acceptability of set-points is estimated using the proposed method, and presented brief energy-saving estimation results.…”

Section: Introductionmentioning

confidence: 99%

“…A short report of partial results was also given in [19]. This paper presents further evaluation of the experiment described in [18]. The main extensions are as follows: 1) Analysis of input set-points by groups according to the estimated acceptability of input set-points during the experiment, including confirmation of the data in the week following the experiment.…”

Section: Introductionmentioning

confidence: 99%

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Space Heating Control by Estimating Acceptable Set-Point Temperature Based on Survival Analysis

Yano

2020

IEEE Access

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This study proposes space heating control that considers both the operating time and change status of set-point temperature. To estimate acceptable set-points from such data, survival analysis is used to model acceptable rates of set-points. The proposed method determines whether a given set-point is acceptable based on the shape parameters of the acceptable rate. According to the determination, the proposed method inputs a new set-point. The proposed method is evaluated using data obtained from an experiment where the proposed method was applied to apartments in a newly constructed building in France. Set-points for the apartments were input according to the proposed method in an experiment performed for 3 weeks from the end of November 2016. This study shows transition of input set-points that were estimated to be acceptable during the experiment. The present paper evaluates the use rates of input set-points by groups according to the estimated acceptability of input set-points. This study also shows rough computations of energy-saving effects by the proposed method. A benefit from considering the operating times of set-points is also presented. The results demonstrate that the proposed method likely uses a set-point suitable to each apartment for energy-saving, with avoiding incorrect estimation of acceptable set-points. INDEX TERMS Acceptable set-point temperature estimation, space heating control, survival analysis, thermal comfort, zero energy building (ZEB).

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Space Heating Control by Estimating Acceptable Set-Point Temperature Based on Survival Analysis

Yano

2020

IEEE Access

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“…This method estimates acceptable HVAC set-point temperatures based on operating time and changes of set-point temperatures, and adjusts the set-point temperature to an estimated acceptable value for energy-saving. The effectiveness of this method was previously confirmed in a residential area comprising 36 apartments in France [19], [21]. In the present study, the occupant-feedback control method was evaluated in summer (about two months) and winter (about three months) from 2019 to 2020.…”

Section: Introductionmentioning

confidence: 70%

“…This section presents a previously proposed energy-saving occupant-feedback control method, which was evaluated in a residential area [19], [21].…”

Section: Energy-saving Occupant-feedback Methodsmentioning

confidence: 99%

“…For this purpose, we evaluate an energy-saving occupantfeedback control method that was actually applied to office rooms in Japan, in which inverter air-conditioners could be adjusted in multiple zones using individual set-points. This energy-saving occupant-feedback control method was previously proposed by the present authors [19], [21]. This method estimates acceptable HVAC set-point temperatures based on operating time and changes of set-point temperatures, and adjusts the set-point temperature to an estimated acceptable value for energy-saving.…”

Section: Introductionmentioning

confidence: 99%

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Energy-Saving Occupant-Feedback Control Method Under Preferred Air-Conditioner Settings of Occupants

Yano,

Sako

2024

IEEE Access

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This study evaluates an occupant-feedback control method under preferred air-conditioner settings of occupants. We performed an experiment where this method was actually used on inverter airconditioners in multi-occupancy office rooms in Japan in summer and winter for the case where the set-point temperatures of the air-conditioners could be changed freely by occupants. In this experiment, the method estimated acceptable set-point temperatures from data from the previous execution step and applied an energy-saving acceptable set-point temperature to the air-conditioners three times per day for a given period. To evaluate this method, which can be regarded as a nudge, we randomly allocated days where this method was and was not used. To determine the effectiveness of this method, we performed statistical analysis of the set-point temperatures and energy consumption analysis of the air-conditioners. The results showed excessive use of the air-conditioners during days without this method and mitigation of the excessive setpoint temperatures by this method. Possible reduction of energy consumption by this method was obtained, whereas some difficulties in the field study, such as uncontrollable usage of meeting rooms, prevented obtaining clear results for the energy-saving by this method. Our findings suggest that a slight change of setpoint temperatures may likely lead to energy-saving under preferred HVAC settings of occupants, indicating that statistical analysis of HVAC settings is helpful in confirming the effectiveness of the occupant-feedback control methods under actual HVAC usage.INDEX TERMS energy-saving, field study, heating ventilation and air-conditioning (HVAC), nudge, occupant-feedback, occupant-feedback HVAC control method.

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Switch On/Interruption Control of Cooling Based on Estimated Acceptable Interruption Duration: An Office Case Study in Japan

Yano

2018

IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society

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Space heating control using acceptable set-point temperature estimation by a statistical approach in the lyon smart community project

Cited by 4 publications

References 18 publications

Space Heating Control by Estimating Acceptable Set-Point Temperature Based on Survival Analysis

Space Heating Control by Estimating Acceptable Set-Point Temperature Based on Survival Analysis

Energy-Saving Occupant-Feedback Control Method Under Preferred Air-Conditioner Settings of Occupants

Switch On/Interruption Control of Cooling Based on Estimated Acceptable Interruption Duration: An Office Case Study in Japan

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