Aspects of the present disclosure include methods, systems, and non-transitory computer readable media for receiving at least one calibration heat signal from a calibration device, wherein the at least one calibration heat signal corresponds to a calibration temperature known to the controller, receiving a plurality of heat signals from a plurality of sources in the building, determining a plurality of temperatures associated with the plurality of heat signals based on the at least one calibration heat signal and the calibration temperature, determining an internal target temperature of the building based on the plurality of temperatures, and transmitting, to the HVAC system, a control signal indicating the internal target temperature.

Devices for generating and releasing vapor. In particular, described herein are portable devices for generating a low-temperature inhalable vapor having an elongated tubular body containing a vaporization chamber and a battery-powered heater, a removable mouthpiece covering the vaporization chamber, a display configured to indicate the temperature of the vaporization chamber; a microcontroller configured to regulate the temperature of the vaporization chamber, and a control to select from among a variety of temperature settings.

A method, controller, and internal combustion engine including the controller and operable in accordance with the method by: determining a temperature of a working liquid in an engine block circuit (31, 35) of the internal combustion engine (10), the working liquid comprising a cooling liquid or a lubrication liquid; operating the internal combustion engine (10); engaging a thermal load responsive to the temperature of the liquid being below a first temperature threshold, wherein engaging the thermal load comprises at least one of increasing a pumping load of the internal combustion engine (10), or changing an air/fuel ratio, thereby adding heat to the engine block circuit (31, 35); controlling the thermal load as a function of the temperature of the liquid; and disengaging at least a portion of the thermal load responsive to the temperature of the liquid being above the low temperature limit.

An exemplary display unit is a display unit possessed by a management system that manages energy, wherein plural pieces of information in the management system and related to power and heat are displayed on a single screen.

An temperature control method including the following steps: driving an temperature control device to generate air circulation for a first server and a second server; monitoring operation state of the temperature control device, the first server and the second server continuously to establish a first learning model; receiving an temperature control state data of the temperature control device, a first state data of the first server, and a second state data of the second server, wherein the first state data includes a first temperature, and the second state data includes a second temperature; inputting the temperature control state data, the first state data, and the second state data into the first learning model to obtain a first temperature prediction value output by the first learning model; and adjusting the temperature control device according to the first temperature prediction value.

Embodiments of the invention provide a system and method for housing electrical components of a high-density liquid cooling unit to liquid cool electrical components. The system includes a first electrical cabinet housing at least one electrical switch and a controller. The first electrical cabinet is swingable outward to open, and the first electrical cabinet opens while the high density liquid cooling system continues to operate to liquid cool electrical components. The system includes a second electrical cabinet housing a first motor drive and a second motor drive. The second electrical cabinet is accessible when the first electrical cabinet swings outward. One of the first motor drive and the second motor drive are replaceable while the high density liquid cooling unit continues to operate.

A thermostat for a building zone includes at least one of a model predictive controller and an equipment controller. The model predictive controller is configured to obtain a cost function that accounts for a cost of operating HVAC equipment during each of a plurality of time steps, use a predictive model to predict a temperature of the building zone during each of the plurality of time steps, and generate temperature setpoints for the building zone for each of the plurality of time steps by optimizing the cost function subject to a constraint on the predicted temperature. The equipment controller is configured to receive the temperature setpoints generated by the model predictive controller and drive the temperature of the building zone toward the temperature setpoints during each of the plurality of time steps by operating the HVAC equipment to provide heating or cooling to the building zone.

Embodiments of the present invention provide a communicable integration of a user network of devices and a vendor system. Embodiments receive, at the vendor system from the user network of devices, a request for provisioning of products by a vendor; determine a provisioning location for provisioning of the products by the vendor; continuously identify a real-time location of the user via the one or more components of the user network of devices; continuously calculate a real-time first limit based on the continuously identified current location of the user and the provisioning location; calculate a total time to provision the products comprising a sum of a product preparation time and the real-time first limit; and optimize delivery of the products based on the total time to provision and the real-time location of the user.

A smart-home device may include an energy-storage element that stores energy harvested from an environmental system; a power wire connector and a return wire connector; and switching elements configured to operate in a first state where the switching elements create a connection between the power and the return; and a second state where the switching elements interrupt the connection between the power and return. The smart-home device may also include a circuit that controls the switching elements, where the circuit is configured to detect a zero-crossing of a current received through the power wire connector; wait for a first time interval after the zero-crossing is detected; after an expiration of the first time interval, enable active power stealing for a second time interval; and after an expiration of the second time interval, disable active power stealing.

The invention relates to an electric system, comprising an electric equipment (1) having a control line (2) arranged to be connected to impedance means (3) as well as to substituting means (7). The substitution means provides an impedance controlled by a first output (8) of a control unit (6), the control unit having polarity probing means (13) arranged to obtain an indication whether a connection of the substituting means to the control line (2) results in a voltage with a positive or negative polarity. The connection of the substituting means (7) is made in dependence on that indication and under influence of a second output (14) of the control unit. According to the invention, the substituting means (7) comprise a series connection of two equivalent impedance networks (15, 16) provided each one with by-pass switching means (17, 18) for a plurality of impedance means (19, 20), each having series connected semiconductor switching means (21, 22) arranged in opposite directions. The impedance networks (15, 16) are controlled by the first output (8) of the control unit (6). The by-pass switching means (17, 18) are arranged to be alternatively activated by the second output (14) of the control unit.)