Abstract: Systems and methods to control pulse welding are disclosed. An example welding-type system includes: power conversion circuitry configured to convert input power to welding-type power; and control circuitry configured to control the power conversion circuitry to output the welding-type power in a plurality of pulse cycles, each pulse cycle comprising a background phase, a ramp up phase, a peak phase, and a ramp down phase. Controlling the power conversion circuitry involves: during the ramp up phase of the pulse cycles, controlling the power conversion circuitry in a current-controlled mode and switching to controlling the power conversion circuitry in a voltage-controlled mode when a peak transition voltage is reached; and during the ramp down phase of the pulse cycles, controlling the power conversion circuitry in a current-controlled mode and switching to controlling the power conversion circuitry in a voltage-controlled mode when a background transition voltage is reached.

Abstract: Provided is a cooking apparatus. The cooking apparatus includes a cabinet having a cooking space therein, a tray on which an object to be cooked is placed on a top surface thereof, and a pair of elevation devices configured to connect both side surfaces of the inside of the cabinet to both side surfaces of the tray, the pair of elevation devices being configured so that the tray is insertable into and withdrawable from the cooking space. Each of the pair of elevation devices includes a fixed rail fixed to a side surface of the cabinet, a movable rail configured to move in a front and rear direction along the fixed rail in a state of being connected to the fixed rail, and an arm member having one end rotatably connected to an outer surface of the movable rail and the other end connected to a side surface of the tray to elevate the tray. The arm member includes a front arm and a rear arm, which are disposed to be spaced apart from each other in the front and rear direction.

Abstract: Provided is a closed cooking cavity (100) formed by means of a shell in a sealed manner; a working space for accommodating main cooking equipment is formed in an interior of the cooking cavity (100), the shell is provided with communicating openings which are corresponding to the main cooking equipment and adapted for communicating the interior and exterior of the cooking cavity (100), and accessory cooking equipment arranged at the exterior of the cooking cavity (100) is connected with corresponding main cooking equipment arranged in the interior of the cooking cavity through corresponding communicating openings so as to achieve corresponding cooking functions. A closed cooking system comprises the cooking cavity (100) and a cooking machine comprises the closed cooking system.

Abstract: A window glass heating device for a vehicle is provided with a window heater configured to heat a whole area of a window glass, a window heater control unit configured to control the window heater, a camera heater that is an electric heater which heats a camera-imaging window area which is a part of the window glass included in an imaging area of a camera that images a vehicle exterior from a vehicle interior via the window glass, and a camera heater control unit configured to control supply of power to the camera heater. The camera heater control unit is configured to acquire window heater operation information, acquire a temperature of the camera heater, and control supply of power to the camera heater such that the temperature of the camera heater is within a predetermined temperature range based on the window heater operation information.

Abstract: A method for heating a cooking vessel on a hob with a plurality of heating devices is described. Each heating device has a heating region in which a cooking vessel can be arranged in order to be heated by the heating device under the control of a power supply. The cooking vessel has a temperature sensor together with an evaluation apparatus and a transmitting apparatus for transmitting an identification and temperature data. A controller controls the heating device in a specific manner and evaluates the received temperature data using a plurality of plausibility checks in order to determine whether said data match the operation of the heating device. If these plausibility checks are passed, the cooking vessel is assigned to the heating device.

Abstract: A laser machining system for machining a workpiece uses a laser beam, preferably for cutting or welding a workpiece using a laser beam. The laser machining system includes a machining head with a housing having an opening for emitting the laser beam from the machining head, a measuring device configured to direct an optical measurement beam through the opening, and an optical unit for aligning the laser beam and the optical measurement beam, the optical unit being settable to adjust the laser beam and the optical measurement beam perpendicular to the optical axis of the machining head in the region of the opening. The measuring device is further configured to determine a setting of the optical unit corresponding to the central alignment of the laser beam on the basis of measurement values based on reflections of the optical measurement beam for different settings of the optical unit.

Abstract: A metal heater system. More specifically, a plurality of metal heaters is coupled to the surface of the lower end of a pipeline at predetermined intervals in the longitudinal direction of the pipeline, and PTC heating elements inside the metal heaters conduct heat to local portions of the pipeline. Convection is generated in a fluid inside the pipeline because of the heat conducted to the local portions, and thus the overall pipeline is maintained at a constant temperature, efficiently preventing the freezing and bursting of the pipeline in winter.

Abstract: An arc welder includes a welding power supply, a forward/reverse welding wire feeder, and a controller for the power supply and the wire feeder. Welding is implemented by repeating unit welding steps each including a short circuit stage with the welding wire and a base material being short-circuited and an arc stage with an arc being generated between the wire and the material. A transition period continues from a starting point of the arc stage till the wire feeding rate reaches a forward maximum. An average welding current is defined as an average of the welding current during the short circuit and arc stages. Within the transition period, the controller sets a current suppression period during which welding current is smaller than the average welding current. Transition period length T0 and current suppression period length T1 are set to satisfy the inequality 0<T1/T0?0.8.

Abstract: A method for analyzing a frequency response of a cooking device is disclosed. The method comprises controlling a plurality of RF signals within an operating range of the cooking device at plurality of phase shifts between a first RF signal and a second RF signal. A plurality of efficiencies of at least one reflection signal in the resonant cavity are measured in response to a plurality of RF feeds generated from the RF signals for the plurality of phase shifts. The frequency response of the resonant cavity is modeled with a numeric model and a plurality of interpolation parameters for the numeric model are calculated based on the plurality of measured efficiencies of the RF feeds. The frequency response of the cavity is estimated for the operating range of the cooking device based on the numeric model with the plurality of interpolation parameters.

Abstract: The present invention is a beverage creation device that motivates water consumption, eliminates water bottles, provides minerals and vitamins and tracks the minerals and vitamins intake during a day or a specific period of time. The beverage creation device comprises of several unique features to provide filtered water with vitamins, minerals, flavours and different levels of carbonation and also track and notify the user about the amount of consumption during a day or a period of time to make sure the necessary vitamins and minerals are received by the users. The novel dosing system divides vitamins, minerals and flavor contents into multiple separate dose formulations to be taken separately at different times to exclude or reduce the interactions and effectiveness and adds a specific amount of each one of the multiple separate dose formulations to the filtered water in a specific amount based on specific parameters being age, intake nutrition and doctor prescription.

Abstract: A steam generating system for an appliance includes a first tank positioned at a first vertical position and having an upper water outlet and a lower water outlet. A second tank is positioned at a second vertical position that is lower than the first vertical position of the first tank. A first and second interconnecting members respectively connect the upper and lower water outlets of the first tank to the second tank. Together, the first and second interconnecting members fluidically connect the first and second tanks. A valve assembly is positioned along the second interconnecting member to selectively provide access to the second tank from the first tank. Inlet and outlet pumps are respectively coupled to the first and second tanks to supply and discharge water from the steam generating system. The appliance further includes a retractable hose for connecting the steam generating system to a water source.

Abstract: The purpose of the present invention is to reduce the amount of sputtering in a welding method wherein a welding wire feed rate is alternately switched between a forward feed period and a reverse feed period. Provided is an arc welding control method that switches a feed rate Fw for welding wire alternately between a forward feed period and a reverse feed period, repeats a short period and an arc period, and electrifies with a welding current Iw switched to a small current value in the latter half of the arc period, wherein a basic voltage setting value is set according to an average feed rate setting value, the error amplitude value for a voltage setting value and the basic voltage setting value is calculated, and the timing (current reduction time Td) for switching the welding current Iw to the small current value is varied on the basis of the average feed rate setting value and the error amplitude value.

Abstract: A machining apparatus includes a curved outer conduit, a curved rotary electrode and a driving motor. The outer conduit has a cavity and a fluid inlet in fluid communication with the cavity. The electrode includes a flexible shaft positioned in the cavity and having a first end and a second end, and a machining head having a fluid outlet in fluid communication with the cavity and electrically connected with the first end of the flexible shaft to be powered via the flexible shaft. The motor is mechanically coupled to the second end of the flexible shaft for driving the flexible shaft to rotate. A machining system includes the machining apparatus, a power supply for powering the flexible shaft, an electrolyte supply for providing electrolyte to the fluid inlet and a machine tool onto which the outer conduit and the motor are positioned.

Abstract: An apparatus includes a fermentation tank assembly including a fermentation tank having an opening formed therein and a fermentation tank cover configured to open and close the opening. The apparatus also includes an ingredient receiving portion configured to receive, through the opening of the fermentation tank, fermentation ingredients; a gas extraction flow path connected to the fermentation tank; a gas release valve disposed in the gas extraction flow path and configured to discharge gas from the fermentation tank; and a pressure sensor disposed on at least one of the gas extraction flow path or the fermentation tank cover.

Abstract: An additive manufacturing system includes a plurality of laser devices, a plurality of first scanning devices, and an optical system. The optical system includes an optical detector and a second scanning device. The plurality of laser devices are each configured to generate a laser beam. The plurality of first scanning devices is each configured to selectively direct the laser beam from a laser device of the plurality of laser devices across a powder bed. The laser beam generates a melt pool in the powder bed. The optical detector is configured to detect electromagnetic radiation generated by the melt pool. The second scanning device is configured to direct electromagnetic radiation generated by the melt pool to the optical detector. The optical system is configured to detect a position of the laser beams in the melt pool.

Abstract: A welding or additive manufacturing wire drive system includes a first drive roll and a second drive roll. One or both of the drive rolls has a circumferential groove for simultaneously driving both of a first wire electrode and a second wire electrode located between the drive rolls in the circumferential groove. A sensor device generates a signal or data corresponding to a consumed or remaining amount of one or both of the wire electrodes. The first wire electrode contacts the second wire electrode within the circumferential groove. The first wire electrode further contacts a first sidewall portion of the circumferential groove. The second wire electrode further contacts a second sidewall portion of the circumferential groove. Both of the wire electrodes are offset from a base portion of the circumferential groove, said base portion extending between the first sidewall portion and the second sidewall portion of the circumferential groove.

Abstract: A beverage-making apparatus includes a fermentation tank assembly including a fermentation tank having an opening formed therein and a fermentation tank cover configured to open and close the opening. The beverage-making apparatus also includes a refrigeration cycle apparatus including a compressor, a condenser, an expansion device, and an evaporator. The refrigeration cycle apparatus is configured to circulate a refrigerant therethrough and to control a temperature of the fermentation tank as the evaporator is disposed at the fermentation tank. The beverage-making apparatus further includes a heat insulating wall surrounding both the fermentation tank and the evaporator.

Abstract: A control device of a wire electric discharge machine and a machine learning device are provided that can appropriately and readily determine a correction parameter. The control device, which optimizes the correction parameter for wire electrical discharge machining process, includes a machine learning device configured to learn the correction parameter for the wire electrical discharge machining process.

Abstract: A semi-automatic food cooking apparatus comprising: a control unit; a communication unit; and a cooking compartment comprising: a movable press; and a movable cooking base; wherein the movable press and moveable base are configured to form a moveable ensemble together with a cooking cartridge and a lid of the cooking cartridge.

Abstract: A beverage-making apparatus includes a water supply heater configured to heat water; an ingredient supplier connected to the water supply heater through a water supply channel; a container connected to the ingredient supplier through a first channel; a first valve configured to regulate a flow through the first channel; and a beverage extractor connected to the first channel at a location between the ingredient supplier and the first valve.