Abstract: A method of operating a cooktop appliance in a precision cooking mode includes activating a heating element positioned at a cooking surface and monitoring the temperature at the utensil heated by the heating element during the precision cooking mode. The method also includes operating the heating element at a first predetermined power level when the monitored temperature at the utensil is within a first temperature band and determining, after operating the heating element at the first predetermined power level, the monitored temperature at the utensil is within a second temperature band. The method further includes adjusting the operation of the heating element based on the first temperature band and the second temperature band in response to determining the monitored temperature at the utensil is within the second temperature band.

Abstract: A method of operating a cooktop appliance includes receiving a precision cooking mode initiation signal and a setpoint temperature and initiating the precision cooking mode in response to the precision cooking mode initiation signal. The precision cooking mode comprises activating the heating element positioned at the cooking surface. The method also includes monitoring the temperature at the utensil heated by the heating element during the precision cooking mode and operating the heating element at a first predetermined power level when the monitored temperature at the utensil is within a first temperature band of a plurality of temperature bands. The method further includes determining an accumulation term while the monitored temperature at the utensil is within the first temperature band of a plurality of temperature bands and adjusting the operation of the heating element based on the accumulation term.

Abstract: A method of operating an oven appliance includes determining that an access control mode is enabled, determining that a period of inactivity has occurred while the access control mode is enabled, activating the access control mode, the access control mode comprising providing a limited user interface input selection, detecting a user interaction with the oven appliance, determining that the user interaction is not in compliance with the access control mode, and implementing a responsive action in response to determining that the user interaction is not in compliance with the access control mode.

Abstract: A cooktop includes a plurality of heating elements, a griddle removably positioned over the plurality of heating elements, the griddle defining a first heating zone and a second heating zone, a temperature sensing assembly operably coupled to the griddle for monitoring a first zone temperature of the first heating zone and a second zone temperature of the second heating zone, and a controller in operative communication with the plurality of heating elements and the temperature sensing assembly. The controller is configured to receive a request to perform a griddle cooking operation, the request comprising a first target temperature and a second target temperature, obtain the first zone temperature and the second zone temperature using the temperature sensing assembly, and operate the plurality of heating elements to drive the first zone temperature to the first target temperature and the second zone temperature to the second target temperature.

Abstract: A method of operating a cooktop including a plurality of heating elements, a griddle removably positioned over the plurality of heating elements, the griddle defining a first heating zone and a second heating zone, a temperature sensing assembly operably coupled to the griddle for monitoring a first zone temperature of the first heating zone and a second zone temperature of the second heating zone, and a griddle detection system. The method includes receiving a request to perform a griddle cooking operation, determining that the griddle is present, receiving a command that the griddle cooking operation includes a common target temperature for the first heating zone and the second heating zone, obtaining the first zone temperature and the second zone temperature using the temperature sensing assembly, and operating the plurality of heating elements to drive the first zone temperature and the second zone temperature to the common target temperature.

Abstract: A method for monitoring progress of a preheat cycle includes: at a start of a preheat cycle, receiving a baseline temperature measurement from a sensor; during the preheat cycle, receiving a plurality of current temperature measurements from the sensor; repeatedly calculating a progress indicator value for the preheat cycle from a baseline progress indicator value; and when a latest one of the plurality of current temperature measurements is less than an immediate prior one of the plurality of current temperature measurements, setting the baseline temperature measurement to the latest one of the plurality of current temperature measurements and setting the baseline progress indicator value to an immediate prior progress indicator value.

Abstract: A method of operating a cooking appliance includes receiving a temperature setpoint input for a preheating phase of a cooking operation; retrieving a default power level for at least one heating element in response to receiving the temperature setpoint input; directing the at least one heating element at the default power level over a thermal coupling classification period, the thermal coupling classification period being a portion of the preheating phase; determining a thermal coupling behavior of a cookware item provided on the at least one heating element after an expiration of the thermal coupling classification period; and adjusting one or more parameters of the preheating phase based on the thermal coupling behavior of the cookware item.

Abstract: A cooking appliance includes at least one heating element to selectively supply heat to a cookware item; and a controller operably connected with the at least one heating element, the controller configured to direct a heating operation. The heating operation includes a preheating phase and a cooking phase. The heating operation includes receiving a temperature setpoint for the cooking phase; determining at least one attribute for the at least one heating element for the preheating phase, the at least one attribute being based on the temperature setpoint; and initiating the preheating phase by directing the at least one heating element according to the at least one determined attribute.

Abstract: A cooking appliance including a cooktop including a plurality of heating zones, each heating zone heated by at least one heating element; an image capture device directed toward the cooktop; and a controller operably connected to the image capture device and the at least one heating element, wherein the controller is configured to perform an operation. The operation includes receiving one or more inputs relating to a cooking operation; receiving an image signal of the cooktop via the image capture device after receiving the one or more inputs, the image signal including a cookware item; identifying a size of the cookware item in the received image signal; adjusting one or more parameters of the cooking operation based on the identified size of the cookware item; and initiating the cooking operation based on the one or more adjusted parameters.

Abstract: A cooking appliance includes at least one heating element; a temperature sensor configured to selectively monitor a temperature of a cookware item; and a controller operably connected with the at least one heating element and the temperature sensor, the controller configured to perform a feedback controlled heating operation. The feedback controlled heating operation includes determining a temperature setpoint; retrieving a default set of controller gain values of the feedback controlled heating operation, the set of controller gain values including a proportional gain value, an integral gain value, and a derivative gain value; directing the at least one heating element over a thermal classification length of time; determining a thermal behavior of the cookware item after an expiration of the thermal classification length of time; and adjusting one or more parameters of the feedback controlled heating operation in response to determining the thermal behavior of the cookware item.

Abstract: A cooking appliance assembly includes a cooking appliance defining a port comprising a socket and at least one cooking accessory selectively coupled to the port. The at least one cooking accessory includes an accessory sensor; a plug selectively engaged with the socket; a first resistive element provided on the plug, the first resistive element being configured to obtain a voltage change relating to the cooking accessory; and a second resistive element provided on the plug adjacent to the first resistive element, the second resistive element having a unique resistance value directly associated with the cooking accessory to adjust a resolution of a determined voltage change sensed by the accessory sensor.

Abstract: A cooking appliance assembly includes a cooking appliance including a heat source and a port including a socket; at least one cooking accessory including an accessory sensor, a plug, and a resistive element, the plug being removably received within the socket; a variable resistance module provided within the cooking appliance and operably connected with the port; and a controller communicatively coupled with the cooking appliance and the at least one cooking accessory, the controller configured to perform an operation. The operation includes determining an accessory type of the cooking accessory engaged with the port of the cooking appliance; adjusting, via the variable resistance module, a reference resistance at the variable resistance module based on the determined accessory type; and selecting a corresponding temperature table or equation based on the determined type of the cooking accessory.

Abstract: A cooktop appliance includes a first heating element; a second heating element adjacent to the first heating element; a first supply line in upstream fluid communication with the first heating element to direct fuel thereto; a second supply line in upstream fluid communication with the second heating element to direct fuel thereto, the second supply line being in fluid parallel with the first supply line; a first supply valve provided on the first supply line upstream from the first heating element; a second supply valve provided on the second supply line; a supplemental line providing fluid connection from the first supply valve to each of the first supply line and the second supply line; a supplemental line valve provided on the supplemental line; and a controller operably coupled with the supplemental line valve, the controller being configured to selectively open the supplemental line valve.

Abstract: A method of operating a cooktop appliance in a precision mode includes monitoring a temperature with a temperature sensor and starting a vaporization timer when the monitored temperature enters a vaporization band. The method also includes freezing the precision mode when the vaporization timer expires and the monitored temperature is within the vaporization band.

Abstract: A method of closed loop cooking on an appliance includes monitoring, by a controller, a temperature measurement from a sensor indicative of a cooking temperature during a cooking operation. Comparing, by the controller, the temperature measurement to a set temperature of the cooking operation. Determining, by the controller, a heating event defined by the temperature measurement. Adjusting, by the controller, a cycle period time for a heating element. The cycle period time is associated with the heating event.

Abstract: A method of operating a cooktop appliance in a precision mode includes monitoring a temperature with a temperature sensor and starting a vaporization timer when the monitored temperature enters a vaporization band. The method also includes freezing the precision mode when the vaporization timer expires and the monitored temperature is within the vaporization band.

Abstract: A method of closed loop cooking on an appliance includes receiving, at a controller, input parameters for a cooking operation. Determining, by the controller, a power cycle period in response to the input parameters. Operating, by the controller, the cooking operation with the power cycle period.

Abstract: A method of operating a cooktop appliance includes receiving a rice cooking mode initiation signal. The method also includes operating a heating element to provide a first target temperature at a utensil during a preheat stage and measuring the temperature at the utensil during the preheat stage. The method further includes exiting the preheat stage when the measured temperature at the utensil reaches a temperature threshold. The method also includes operating the heating element to provide a second target temperature at the utensil during a simmer stage after the preheat stage. The second target temperature is different from the first target temperature. The method further includes operating the heating element to provide a third target temperature at the utensil during a sensing stage after the simmer stage and providing a user notification that the rice cooking mode is complete.

Abstract: A method of operating a cooktop appliance in a sauce reduction mode includes operating a heating element of the cooktop appliance at a first power level during a preheat stage and operating the heating element at a second power level during a reduction stage after the preheat stage. The second power level is different from the first power level. The method further includes determining that the reduction stage has ended and decreasing the power level of the heating element because the reduction stage has ended. The method also includes providing a user notification that the sauce reduction mode is complete.

Abstract: A method of operating a cooking appliance includes initiating, at a controller, a cooking operation at a first duty cycle. Determining, by the controller, a power level change. Comparing, at the controller, the first duty cycle to a second duty cycle of the power level change. Determining, by the controller, a state of the first duty cycle that comprises one of an on semi-cycle and an off semi-cycle, a passed time of the first duty cycle, and a new time of the second duty cycle. Calculating, by the controller, an additional time of the first duty cycle by subtracting the passed time of the first duty cycle from the new time of the second duty cycle. Then adjusting, at the controller, the power level change and the state of the second duty cycle in response to the additional time passing.