Abstract: A lift device includes a lift assembly, a platform, and a controller. The lift assembly is configured to be driven to increase or decrease in length by extension and retraction of one or more actuators. The platform is coupled at an upper end of the lift assembly. The controller is configured to receive a value of a pitch angle and a roll angle of the lift device from an orientation sensor. The controller is further configured to determine a maximum allowable elevation of the platform based on at least one of the value of the roll angle and the value of the pitch angle of the lift device. The controller is further configured to limit operation of the lift assembly based on the maximum allowable elevation of the platform.

Abstract: A concrete mixer vehicle includes a mixer drum, an additive admixture system, and a controller. The additive admixture system includes an air inlet valve, a fluid valve, an air valve, and a pump. The controller is configured to operate the additive admixture system to transition the additive admixture system between an additive addition mode, a drain mode, and a system clear mode. The controller transitions the additive admixture system into the additive addition mode and operates the pump until a desired amount of an additive is added to the mixer drum, transitions the additive admixture system into the drain mode for a predetermined amount of time in response to the desired amount of additive being added to the mixer drum, and transitions the additive admixture system into the system clear mode for a predetermined amount of time to clear stagnant fluid or built up mixture from the additive admixture system.

Abstract: A solar panel installation system includes a solar panel unloading machine, a solar panel carrier machine, and a solar panel installation machine. The solar panel unloading machine is configured to autonomously interact with a shipping device carrying a plurality of solar panels to unload the plurality of solar panels from the shipping device and autonomously transfer the plurality of solar panels to the solar panel carrier machine. The solar panel carrier machine is configured autonomously transport the plurality of solar panels to a location proximate where the plurality of solar panels are to be installed. The solar panel installation machine is configured to autonomously pick up a respective solar panel of the plurality of solar panels from the solar panel carrier machine and autonomously provide the respective solar panel to an installation location where the respective solar panel can be secured to a solar panel support.

Abstract: A solar panel installation machine includes a chassis, a body coupled to the chassis, a plurality of tractive elements coupled the chassis, a boom coupled to the body, and an implement coupled to an end of the boom. The implement includes a track, a robotic arm coupled to and translatable along the track, the robotic arm including a plurality of linkages, and a grabber assembly coupled to the robotic arm, the grabber assembly configured to selectively engage with and facilitate picking up a solar panel to provide the solar panel to an installation location where the respective solar panel can be secured to a solar panel support.

Abstract: A vehicle for unloading solar panels from a shipping container includes tractive elements, a boom assembly, and an implement assembly. The tractive elements are coupled with a base of the vehicle. The boom assembly is coupled with the base of the vehicle. The implement assembly is coupled with an end of the boom assembly. The implement assembly includes a carriage, forks, and a sensor. The carriage is pivotally coupled with the end of the boom assembly at a first pivotal location along the carriage. The pair of forks are configured to be inserted into and lift a pallet of solar panels positioned within the shipping container. The pair of forks are pivotally coupled with the carriage at a second pivotal location along the carriage. The sensor is positioned on the carriage and configured to measure a position of the implement assembly relative to an interior of the shipping container.

Abstract: A carrier machine includes a chassis, a plurality of tractive elements coupled to the chassis, a prime mover coupled to the chassis and configured to drive one or more of the plurality of tractive elements, and a carrier coupled to the chassis. The carrier defines a stowage area. A width and a depth of the carrier are adjustable to facilitate varying a size of the stowage area.

Abstract: A drum control system includes one or more processing circuits having programed instructions to control a drum assembly to rotate a drum at a first, unmixed speed to mix drum contents received by the drum where the drum contents including ingredients of a concrete mixture, acquire drum contents data indicative of a property of the drum contents from a mixture sensor and monitor the property of the drum contents as the drum rotates, acquire a target property for the drum contents upon delivery, determine a second, mixed speed based at least partially on the target property, and control the drum assembly to rotate the drum at the second, mixed speed in response to determining that the property of the drum contents indicates that the ingredients have been sufficiently mixed.

Abstract: A method of installing a solar panel includes providing, by a remote controller to an installation vehicle, a desired installation location for the solar panel. The method further includes controlling, by a first controller coupled to the installation vehicle, the installation vehicle to autonomously navigate toward the desired installation location, the installation vehicle including an implement configured to selectively couple to the solar panel. The method further includes controlling, by a second controller coupled to a delivery vehicle, the delivery vehicle to autonomously navigate toward the installation vehicle, the delivery vehicle supporting the solar panel. The method further includes autonomously controlling the implement of the installation vehicle to remove the solar panel from the delivery vehicle and move the solar panel into the desired installation location.

Abstract: A clamp for coupling a solar panel to a frame includes a bolt extending along a longitudinal axis. The bolt has a head, an end, and a shaft extending between the head and the end. The clamp further includes a retainer portion extending at least partially between the head and the end along the shaft. The retainer portion is moveable between a first position with a first diameter and a second positioned with a second diameter. The first diameter and the second diameter are greater than a diameter of the shaft. The clamp further includes a nut threadedly coupled to the bolt proximate the end of the bolt such that rotation of at least one of the bolt or the nut cause the nut to move longitudinally along the shaft.

Abstract: A lift device includes a lift apparatus, a base assembly, and a controller. The lift apparatus is configured to raise and lower a removable robotic implement assembly. The base assembly is configured to support the lift apparatus and a primary mover. The primary mover is configured to provide rotational motion to one or more wheels supported by the base to move the lift apparatus. The controller is in communication with the implement assembly and the lift apparatus. The controller is configured to adjust a position of the robotic implement assembly and the lift apparatus in response to receiving instructions to perform a task.

Abstract: A refuse vehicle includes a chassis, a body, a power source, and a tailgate. The chassis is coupled to a plurality of wheels. The body assembly is coupled to the chassis and defines a refuse compartment configured to store refuse material. The tailgate comprises a refuse receiving portion, a tailgate compaction assembly, and an electrically-driven actuation mechanism. The refuse receiving portion is configured to receive refuse material. The tailgate compaction assembly is selectively actuatable to compact the refuse material received by the refuse receiving portion into the refuse compartment. The electrically-driven actuation mechanism is powered by the power source and is configured to selectively actuate the tailgate compaction assembly.

Abstract: An electric vehicle system includes an electric vehicle and a delivery charger. The electric vehicle includes a chassis, a cab coupled to a front end of the chassis, and a battery supported by the chassis. The delivery charger includes a support, a power generator coupled to the support, a fuel tank coupled to the support and fluidly coupled to the power generator, and a mounting assembly coupled to the support. The power generator is configured to receive a fuel from the fuel tank and generate electricity to charge the battery. The mounting assembly is configured to facilitate releasably mounting the delivery charger at least one of (i) directly to the chassis, (ii) within a body assembly coupled to the chassis, or (iii) to a lift assembly coupled to the body assembly.

Abstract: A refuse vehicle includes a chassis, a body, and a plurality of battery cells. The chassis includes a right frame member and a left frame member spaced apart in a lateral direction and extending lengthwise in a longitudinal direction. The body is coupled to the chassis. The plurality of battery cells are longitudinally disposed along the chassis, positioned between the right frame member and the left frame member.

Abstract: A ratio controller includes a housing defining a mixing chamber. The housing has a water inlet configured to receive water from a water supply, an agent inlet configured to receive agent from an agent supply, an outlet configured to output an agent-water solution, a first pressure port extending through a sidewall of the housing at a first position proximate the water inlet, and a second pressure port extending through the sidewall of the housing at a second position proximate the mixing chamber.

Abstract: A lift device comprises a base, a linear actuator, and a rechargeable battery system. The linear actuator is configured to selectively move a work platform between a raised position and a lowered position. The linear actuator includes an electric motor. The rechargeable battery system includes a battery, a heating system, and a battery charger. The battery is configured to power the electric motor of the linear actuator. The battery charger is configured to simultaneously charge the battery and provide power the heating system to heat the battery.

Abstract: A lift device includes a base assembly, a turntable assembly, and a controller. The base assembly includes multiple base assembly batteries. The turntable assembly is rotatably coupled with the base assembly through a slip ring transmission. The turntable assembly includes multiple turntable assembly batteries. The controller is configured to operate the base assembly batteries to discharge electrical energy to the turntable batteries through the slip ring transmission. The slip ring transmission is configured to both (1) drive the turntable assembly to rotate relative to the base assembly and (2) to electrically and communicably couple electrical components of the base assembly with electrical components of the turntable assembly.

Abstract: A refuse body adapter includes a sub-frame assembly, a sub-frame adapter, and a spacer. The sub-frame assembly is configured to be coupled to a cargo body. The sub-frame adapter is configured to be coupled to a chassis of a vehicle. The spacer is coupled to both the sub-frame assembly and the sub-frame adapter. The spacer is disposed in a gap formed between the sub-frame assembly and the sub-frame adapter. A thickness of the spacer may be adjusted to accommodate different gap sizes between the sub-frame assembly and the sub-frame adapter.

Abstract: A refuse body assembly includes a body, a bracket, and a valve assembly. The body defines a compartment. The body includes a bottom wall defining a horizontal plane and a front wall defining a vertical plane. The bracket has an arm that is coupled to and extends rearward from the front wall into the compartment at an angle such that the arm is neither parallel with the horizontal plane nor parallel with the vertical plane. The valve assembly is coupled to the bracket.

Abstract: An electrified vehicle includes a chassis, a cab coupled to the chassis, a body assembly coupled to the chassis, and an energy storage system. The body assembly is positioned behind the cab with a space defined therebetween. The energy storage system is positioned within the space between the cab and the body assembly. The energy storage system includes a housing and a plurality of battery cells disposed within the housing. The housing is coupled directly to the chassis and extends upward from the chassis such that a portion of the housing is positioned above at least a portion of a roof of the cab.

Abstract: A vehicle includes a hydraulic actuator configured to move an implement relative to the chassis, a hydraulic motor configured to propel the vehicle, a drive pump fluidly coupled to the hydraulic motor, a charge pump configured to provide a flow of pressurized fluid, and a valve assembly fluidly coupled to the charge pump. The valve assembly is configured to (a) direct a first portion of the flow of pressurized fluid to the drive pump, the first portion of the flow having a first flow rate and (b) direct a second portion of the flow of pressurized fluid to the hydraulic actuator, the second portion of the flow having a second flow rate. The valve assembly includes a valve element that is configured to vary at least one of the first flow rate or the second flow rate based on a pressure at a position upstream of the valve element.