Power system radiators and power systems having radiators are disclosed. An example power system includes: an engine; a generator configured to generate electrical power from mechanical power provided by the engine; power conversion circuitry configured to convert the electrical power from the generator to welding-type power; and a housing enclosing the engine, the generator, and the power conversion circuitry; and a radiator assembly configured to cool the engine and comprising a heat exchanger oriented substantially horizontally when the power system is installed.

A plurality of modular panels for a vehicle mounted welding-type power system are disclosed. A control panel transmits information to and receive information from a control device of the welding-type power system. A first power output panel is configured to provide power to a welding-type tool, and a second power output panel is configured to provide power output to an auxiliary device. Each of the control panel, the first power output panel and the second power output panel are in electrical communication with the welding-type power system, the control device configured to control power output to the first and second power output panels based on information from the control panel. Further, each of the control panel, the first power output panel and the second power output panel are configured to be positioned at locations that are separate and remote from one another.

Methods and apparatus to control engine speed of a power system are disclosed. An example power system includes: an engine; a generator configured to generate electrical power from mechanical power delivered by the engine; a switched-mode power supply configured to convert the electrical power from the generator to output power; and control circuitry configured to: monitor an input current to the switched-mode power supply; and in response to the input current exceeding a threshold current, incrementally increasing a speed of the engine.

In some aspects, autonomous motion devices configured to operably connect to a plasma torch of a plasma cutting system can include: a body to support a power supply of the plasma cutting system and move relative to a workpiece; a torch holder connected to the body and configured to position a plasma arc torch tip of the plasma torch relative to a region of the workpiece to be processed; a drive system to translate the body supporting the power supply and torch autonomously relative to a surface of the workpiece during a plasma processing operation; and a processor in communication with the drive system and configured to communicate with the power supply, the processor being configured to control the translation of the body relative to the workpiece in accordance with the plasma processing operation.

Methods and apparatus to control engine speed of a power system are disclosed. An example power system includes: an engine; an air compressor configured to generate and store air pressure in an air storage tank based on mechanical power provided by the engine; and control circuitry configured to: monitor the air pressure in the air storage tank; determine a rate of air pressure change based on the monitoring of the air pressure; in response to the rate of air pressure change satisfying a threshold rate, incrementally increasing a speed of the engine; detecting a load on an AC auxiliary output; and in response to detecting the load on the AC auxiliary output, overriding an engine speed based on the air compressor, and controlling the speed of the engine to be the predetermined speed to output the predetermined frequency.

A system and method provide gasless, mechanized, field welding of an exterior of a tubular structure such as a pipeline, without the need for an enclosure. An embodiment consolidates some of the welding equipment on a skid for ease of transport to and from a remote worksite. The gasless weld may be achieved despite the presence of wind, by precisely controlling an arc voltage as disclosed. The footprint and weight of the system may be minimized, along with the associated labor, expense, and environmental impact otherwise incurred by conventional welding techniques using enclosures.

A portable welding system casing includes front, rear, top and bottom portions. First and second side members can each have a plurality of fastening lug portions. The first and second side members may each have a recess so that the recess of the first side member receives a first perimeter edge of the front, rear, top and bottom portions and the recess of the second side member receives a second perimeter edge of the front, rear, top and bottom portions. A plurality of handle members can be coupled between associated fastening lug portions of the first and second side member. First and second foot members coupled to respective surfaces of the front, rear and bottom portions. The resulting casing has improved structural strength and rigidity.

A transportable spool carrier includes a spool hub configured to receive a welding wire spool thereon. A handle is disposed a distance above the spool hub greater than the radial size of the spool hub such that the welding wire spool is transportable via the transportable spool carrier. The handle is vertically aligned with the longitudinal center portion of the spool hub axis to align the handle with a center of gravity of the welding wire spool when the welding wire spool is coupled to the transportable spool carrier. The transportable spool carrier may include two spaced feet configured to support the welding wire spool on a surface when the transportable spool carrier is decoupled from the frame. The spool hub may include an expandable cylinder that, when radially expanded the welding wire spool is locked to the spool hub.

Various embodiments of an apparatus, methods, systems and computer program products described herein are directed to an agricultural observation and treatment system and method of operation. The agricultural treatment system uses a treatment unit for spraying fluid at agricultural objects. The treatment unit is configured with a treatment head assembly that includes a moveable treatment head with one or more spraying tips. A first and second motor assembly are operated by the treatment unit to control the movement of the treatment head. The first motor assembly includes a first motor rotatable in a first rotational axis. A first linkage assembly is connected to the first motor and the treatment head assembly. The first linkage assembly is rotatable by the first motor. The second linkage assembly is rotatable by the second motor.

Disclosed are an automatic welding system and method for large structural parts based on hybrid robots and 3D vision. The system comprises a hybrid robot system composed of a mobile robot and an MDOF robot, a 3D vision system, and a welding system used for welding. The rough positioning technique based on a mobile platform and the accurate recognition and positioning technique based on high-accuracy 3D vision are combined, so the working range of the MDOF robot in the XYZ directions is expanded, and flexible welding of large structural parts is realized. The invention adopts 3D vision, thus having better error tolerance and lower requirements for the machining accuracy of workpieces, positioning accuracy of mobile robots and placement accuracy of the workpieces; and the cost is reduced, the flexibility is improved, the working range is expanded, labor is saved, production efficiency is improved, and welding quality is improved.