An automated welding system includes a camera for capturing a camera image of a molten pool and an arc generated in a groove by arc welding; an estimation unit for outputting a probability distribution image based on a camera image by using a learned model; an extraction unit for extracting a region having at least a predetermined probability from the probability distribution image; a selection unit for selecting a representative point corresponding to a feature point of an arc and a representative point corresponding to a feature point of a molten pool, in the region having at least the predetermined probability; and a correction unit for correcting a control parameter of a welding robot based on a positional relationship of the representative point corresponding to the feature point of the arc and the representative point corresponding to the feature point of the molten pool.

An example welding-type power supply includes: power conversion circuitry configured to convert input power to welding-type power; a user interface configured to receive two or more inputs associated with corresponding qualitative characteristics of a welding arc created by the welding-type power, wherein the two or more inputs are defined within corresponding ranges of the respective qualitative characteristics; and control circuitry configured to: in response to a change in a first one of the two or more inputs, determine a corresponding change in a second one of the two or more inputs based on a relationship between the first and second ones of the two or more inputs; determine two or more welding-type parameters based on the two or more inputs; and control the power conversion circuitry based on the determined welding-type parameters.

A method includes supplying a welding current to a welding zone, monitoring, during a welding current ramp down period of a given short arc welding process cycle, a voltage across a current braking switch that is in an open state and that causes a decrease in welding current being supplied to a welding zone; and when the voltage across the current braking switch that is in the open state reaches a first predetermined voltage threshold, closing the current braking switch before a completion of the welding current ramp down period of the given short arc welding process cycle.

An example liquid diversion system for a welding device incorporating one or more geometric features in a receptacle cover, employing a hinge cover (e.g., a surface mounted bezel), and/or a liquid diverter behind the hinge cover is provided. For example, the disclosed liquid diversion system employs receptacle covers having one or more sloped surfaces, a hinge cover with an indentation, and a liquid diverter with a sloped extension, each configured to divert flowing liquid away from the welding device

A welding current source for providing a welding current and a welding voltage at an output in order to carry out an arc welding process includes an input-side rectifier, an inverter, which is operated with a switching frequency, a transformer having a primary winding and at least two secondary windings, at least two rectifiers arranged between the secondary windings and the output, and at least one capacitor and one load resistor at the output. At least one current-limiting reactor is arranged on the second secondary winding and the load resistor for discharging the capacitor, which can be charged by the current-limiting reactor, the current-limiting reactor, and the capacitor are dimensioned in such a way that the maximum value of the no-load voltage at the output is greater than the voltage corresponding to the transmission ratio of the primary winding to the secondary winding of the transformer.

Welding power supplies, wire feeders, and systems to measure a weld cable voltage drop are disclosed. Example welding-type power supplies include a power converter configured to convert input power to output welding-type power to a remote device via a weld cable; a reference conductor connected between the power supply and the remote device; a voltage monitor configured to determine a first voltage between the weld cable and the reference conductor while substantially zero current is being conducted through the reference conductor; and a receiver circuit configured to receive a second voltage between the weld cable and the reference conductor from the remote device.

A welding-type power supply including a balanced plate rectifier to rectify high frequency alternating current from one or more transformers. The balanced plate rectifier includes an output terminal symmetrically connected to the plates of the plate rectifiers. The impedance between the output terminal and each plate is substantially equal.

Disclosed example power supplies, user interfaces, and methods provide for monitoring, analysis and/or presentation of input power characteristics for a welding-type power supply and/or wire feeder. A welding system includes a power supply to deliver power to a welding torch based on one or more input power characteristics. The input power characteristics may correspond to received input power characteristics values during a welding procedure. The input power characteristics are responsive to the power demanded during the welding operation and may change accordingly. To maintain an accounting of the input power characteristics and their values as they change during the welding operation, control circuitry may receive information regarding the input characteristics, analyze the information, and/or generate presentable indicators for display on one or more graphical interfaces.

A motion detection system having detection circuitry, motion recognition circuitry, and communication circuitry is provided. The detection circuitry is configured to detect gestures or motions of a welding system operator. In some embodiments, the detection circuitry is configured to detect gestures or motions of a welding operator via an accessory device, where the accessory device is in wireless communication with the motion detection system. The motion recognition circuitry receives the detected gestures or motions, and translates the detected gestures or motions into a welding command. The welding command is communicated to a welding system via the communications circuitry, and is configured to adjust an operating parameter of the welding system.

A tele-manufacturing system comprising a manufacturing environment containing equipment used for a manufacturing process; a plurality of sensors positioned within the manufacturing environment in proximity to the manufacturing equipment, wherein each sensor is configured to gather data from the manufacturing environment; at least one digitizer in communication with the sensors for receiving data from sensors and converting the data into one or more three-dimensional digital maps or point clouds; at least one processor in communication with the at least one digitizer, wherein the processor includes software for receiving and analyzing the digital maps or point clouds; and at least one manual controller in communication with the processor, wherein the manual controller receives motion input from a user, wherein the software on the processor mathematically transforms the motion input into corresponding motion commands that are sent to the manufacturing equipment by the processor, and wherein the manufacturing equipment, which is physically remote from the at least one controller, executes the motion commands in real-time during the manufacturing process.