A network of wireless remote climate sensors in a heating, ventilation, and air conditioning (HVAC) system permits the creation of personalized microclimates within an enclosed space. In addition to collecting temperature and humidity data, the wireless remote climate sensors can detect whether the enclosed space is occupied by a human. Human detection is made possible by optional cameras, microphones, and gas sensors on the wireless remote climate sensors. As the human moves throughout the enclosed space, the HVAC system is able to track the human's movement using the wireless remote climate sensors. The HVAC system may adjust airflow to different portions of the enclosed space based on the human's location. The result is an efficient use of system resources to keep users at their ideal temperature.

A heating, ventilation, and air conditioning (HVAC) control device configured to generate the machine learning model using the first set of weights and the second set of weights. The machine learning model is configured to output a probability that a user is present at the space based on an input that identifies a day of the week and a time of a day. The device is further configured to determine a probability that a user is present at the space for a predicted occupancy schedule using the machine learning model, to determine an occupancy status based on a determined probability that a user is present at the space, and to set a predicted occupancy status in the predicted occupancy schedule based on a determined occupancy status for each time entry. The device is further configured to output the predicted occupancy schedule.

A multi-area artificial fog pipe network control method and system based on a YOLOv5 algorithm are provided. The method includes: obtaining thermal sensation data of each target person based on facial skin temperature; calculating group thermal sensation data of each subarea and total group thermal sensation data of an artificial fog pipe network area; determining a total flow of fog-making water introduced into the artificial fog pipe network according to target number of people and total group thermal sensation data; controlling opening gears of atomization nozzles on the artificial fog pipe networks in subareas according to a number of the target person in each subarea, the group thermal sensation data and a micro-action type of each target person. The method can realize purposes of saving energy, reducing emission, accurately controlling the flow of the fog-making water, and the people-oriented aim and outdoor group heat comfort maximization.

Apparatus, systems and methods for ascertaining the occupancy of a building are presented. The building is divided into one or more control zones which correspond to physical areas of the building associated with controllable modules, such as HVAC units, lighting, irrigation, or other environmental features such as fountains, music, video, and the like. Zone parameters define how zone devices shall react to the number of occupants located in the particular zone. A building control system detects individual mobile devices in and around the building, and determines the locations of each device by using trilateration and/or location services. The identified mobile devices act as proxies for building occupants. The locations of these devices are correlated with the locations of the zones in the building, and the building control system then adjusts the operating parameters of the zone based on the number of devices present in the zone.

A heating, ventilation, and air conditioning (HVAC) control device configured to collect event data from the one or more devices and to populate time entries in an occupancy history log with the event data. The event data includes a timestamp indicating a time when an event occurred, a set point temperature value for the HVAC system, and an occupancy status indicating whether a space is occupied. The device is further configured to identify blank time entries in the occupancy history log and to populate the blank time entries by forward filling the occupancy history log using event data from another time entry in the occupancy history log. The device is further configured to output the populated occupancy history log.

An air-conditioning system includes an air-conditioning apparatus, a user-detecting unit detecting, for users, an amount of activity and a position, a storage device storing, for each amount of activity, a group including comfort index distributions each corresponding to each of air-conditioning control patterns of the air-conditioning apparatus, and a controller configured to obtain an air-conditioning control pattern that enables a comfort efficiency to be maximum, by specifying the group corresponding to the amount of activity for each of the users, extracting the comfort indexes corresponding to the position of each of the users from the comfort index distributions in the specified group, and, based on the comfort indexes extracted corresponding to the position of each of the users, calculating the comfort efficiency indicating a comprehensive comfort level of the users for each of the air-conditioning control patterns.

There are disclosed systems and methods for managing object configurations within a structure. For one embodiment, a fixed object profile including dimensions and locations of ventilation of a building space and a non-fixed object profile including dimensions and a location of a non-fixed object are identified. One or more contaminant risk locations of the building space are determined in response to determining the air flow within the building space associated with an HVAC unit. The air flow is determined based on incoming air flow streams to the building space and outgoing air flow streams away from the building space. One or more object positions are provided at an output device based on the contaminant risk location(s). For another embodiment, the contaminant risk location(s) are selected from possible people locations. A person position is displayed at an output device, in proximity to the building space, based on the contaminant risk location(s).

An air purifier includes a cylindrical filter configured to filter pollutants included in air that enters the air purifier, and a plurality of speakers coupled to a circumference of an outer surface of the cylindrical filter. A communication interface is configured to obtain information from an external device, and a processor is configured to control the plurality of speakers to output an audio signal corresponding to the information.

Systems, apparatus and methods for operating an environmental control system that delivers dehumidified outdoor air into a conditioned space through an air valve. The method includes establishing CO.sub.2 setpoints corresponding to a ventilation outdoor air flow rate and a dehumidification outdoor air flow rate, determining a humidity metric of the conditioned space, and delivering outside air to the conditioned space at the ventilation outdoor air flow rate or dehumidification outdoor air flow rate based upon the humidity metric. The outside air may be tempered with return air from the conditioned space. The dehumidification CO.sub.2 set point is determined by predicting the dehumidification CO.sub.2 set point based on the airflow quantity per occupant and the relationship of the occupant predicted water vapor emission rate and CO.sub.2 emission rate.

Each transmitter transmits an ID signal that is a wireless signal including an ID of the transmitter. A user terminal includes a wireless signal receiver to acquire an electric field strength at reception of the ID signal, a position acquirer to acquire, for combinations of three transmitters selected from four or more transmitters, estimated positions of the user terminal, each of the estimated positions being acquired based on (i) electric field strengths acquired for the three transmitters of each combination and (ii) installation positions previously stored of the three transmitters of each combination, a position specifier to specify a position of the user terminal based on the estimated positions acquired for each combination, and a facility device controller to control a facility device based on the specified position.