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 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 concrete mixer vehicle includes a chassis, a cab, a drum system, and a control system. The drum system includes a mixer drum coupled to the chassis and a drum driver configured to rotate the mixer drum. The control system includes an operator interface disposed within the cab and one or more processing circuits. The operator interface includes a display and a joystick. The one or more processing circuits have programed instructions to control the display to provide a graphical user interface. The graphical user interface provides a graphical representation of the mixer drum, a settings button, a temperature output, a pressure output, a slump output regarding a slump of contents within the mixer drum, a speed output regarding a rotational speed of the mixer drum, a revolution counter regarding a number of revolutions of the mixer drum, and a mode indicator regarding an operational mode of the drum system.

Abstract: A vehicle includes a prime mover and a fuel system. The fuel system includes a tank, a regulator, a first shutoff valve, and a second shutoff valve. The tank is configured to provide a supply flow of fuel. The regulator is controllable to provide a regulated flow of fuel to the prime mover by modulating the supply flow of fuel. The first shutoff valve is positioned to facilitate selectively disengaging the prime mover from the fuel system. The second shutoff valve is positioned to facilitate selectively blocking the supply flow of fuel provided by the tank.

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 mixer vehicle includes a mixer drum, a sensor, and a controller. The mixer drum is configured to rotate to mix a material within the mixer drum. The sensor is configured to obtain values of one or more properties of the material within the mixer drum. The controller is configured to receive the one or more properties of the material, and receive a user request to discharge the material within the mixer drum. The controller is configured to determine if the material requires additional mixing to obtain accurate values of the one or more properties of the material or to sufficiently mix the material, and limit discharge of the material from the mixer drum in response to a determination that the material requires additional mixing to obtain accurate values of the one or more properties of the material or to sufficiently mix the material.

Abstract: A concrete mixer vehicle includes a mixer drum, a chute, and a controller. The mixer drum has an inner volume configured to hold a mixture for transportation and placement. The chute is configured to receive mixture exiting the mixer drum and direct the mixture. The controller is configured to receive a selected mode of operation of the mixer drum and the chute. The selected mode of operation is selected from a set of multiple modes of operation of the mixer drum and the chute. The controller is configured to adjust an operation of at least one of the mixer drum or the chute to cause at least one of the mixer drum or the chute to operate according to the selected mode of operation.

Abstract: A mixer vehicle includes a mixer drum, a sensor, and a controller. The mixer drum is configured to rotate to mix a material within the mixer drum. The sensor is configured to obtain values of one or more properties of the material within the mixer drum. The controller is configured to receive the one or more properties of the material, and receive a user request to discharge the material within the mixer drum. The controller is configured to determine if the material requires additional mixing to obtain accurate values of the one or more properties of the material or to sufficiently mix the material, and limit discharge of the material from the mixer drum in response to a determination that the material requires additional mixing to obtain accurate values of the one or more properties of the material or to sufficiently mix the material.

Abstract: A concrete mixer vehicle includes a mixer drum, a chute, and a controller. The mixer drum has an inner volume configured to hold a mixture for transportation and placement. The chute is configured to receive mixture exiting the mixer drum and direct the mixture. The controller is configured to receive a selected mode of operation of the mixer drum and the chute. The selected mode of operation is selected from a set of multiple modes of operation of the mixer drum and the chute. The controller is configured to adjust an operation of at least one of the mixer drum or the chute to cause at least one of the mixer drum or the chute to operate according to the selected mode of operation.

Abstract: A mixer vehicle includes a mixer drum, a first acceleration sensor, a second acceleration sensor, and a controller. The first acceleration sensor is configured to produce first acceleration signals and the second acceleration sensor is configured to measure accelerations within the mixer drum to produce second acceleration signals. The controller is configured to receive the first acceleration signals from the first acceleration sensor and second acceleration signals from the second acceleration sensor. The controller is further configured to determine a presence of material within the mixer drum based on the first acceleration signals and the second acceleration signals. The controller is further configured to determine one or more properties of the material within the mixer drum based on the first acceleration signals and the second acceleration signals.

Abstract: A method includes acquiring, by one or more processing circuits, en route data as a vehicle travels from a first location to a second location, and predicting, by the one or more processing circuits, a delivery property for the contents based on the en route data. The en route data includes content data regarding a current property of contents being transported by the vehicle, environment data regarding an environmental characteristic external to the vehicle, and GPS data regarding at least one of a travel distance, a travel time, traffic information, or a road parameter between the first location and the second location.

Abstract: A vehicle including a chassis, a lift axle coupled to the chassis and including a tractive element, a lift actuator coupled to the lift axle, a location sensor configured to provide location data indicating a location of the vehicle, and a controller operatively coupled to the lift actuator and the location sensor and configured to control the lift actuator to reposition the lift axle based on the location data.

Abstract: A mixer vehicle includes a mixer drum, a first acceleration sensor, a second acceleration sensor, and a controller. The first acceleration sensor is configured to produce first acceleration signals and the second acceleration sensor is configured to measure accelerations within the mixer drum to produce second acceleration signals. The controller is configured to receive the first acceleration signals from the first acceleration sensor and second acceleration signals from the second acceleration sensor. The controller is further configured to determine a presence of material within the mixer drum based on the first acceleration signals and the second acceleration signals. The controller is further configured to determine one or more properties of the material within the mixer drum based on the first acceleration signals and the second acceleration signals.

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 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 vehicle system includes a controller configured to acquire environment data, acquire GPS data including information regarding characteristics of a route between an initial location of a vehicle and a destination for the vehicle, receive an initial property of drum contents within a mixing drum of the vehicle, receive a target property for the drum contents, operate a drum drive system of the vehicle at a first drive speed determined based on the initial property, the target property, the environment data, and the GPS data, receive a signal from a mixture sensor indicative of a current property of the drum contents at a current location of the vehicle different than the initial location, and adjust the first drive speed of the drum drive system to a second drive speed where the second drive speed is determined based on the target property, the current property, updated environment data, and updated GPS data.

Abstract: A concrete mixing truck includes a chassis, a front axle and a rear axle coupled to the chassis, a lift axle coupled to the chassis and including a tractive element, a lift actuator coupled to the lift axle, a mixing drum rotatably coupled to the chassis, a fill level sensor coupled to the mixing drum and configured to provide a signal indicative of a fill level of a material within the mixing drum, and a controller. The lift axle is selectively repositionable between a lowered position in which the tractive element engages a support surface and a raised position. The controller is operatively coupled to the lift actuator and the fill level sensor and configured to control the lift actuator to reposition the lift axle into the lowered position in response to the fill level exceeding a threshold fill level.

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 drum control system includes a mixture sensor and a controller. The mixture sensor is configured to be positioned within a drum to engage with drum contents to facilitate acquiring drum contents data indicative of a property of the drum contents. The controller is configured to control a drive system to rotate the drum at a first, unmixed speed following receipt of the drum contents by the drum where the drum contents including ingredients of a concrete mixture; acquire the drum contents data from the mixture sensor and monitor the property of the drum contents as the drum rotates; and control the drive system to rotate the drum at a second, mixed speed in response to determining that the property of the drum contents indicates that the ingredients have been sufficiently mixed.

Abstract: A concrete mixer system includes a control system configured to provide a first input to a drum drive system to rotate a drum of a concrete mixer at a target speed while the drum is empty and clean, acquire operating data regarding an operating characteristic of the drum drive system to determine a baseline operating characteristic of the drum drive system in response to the first input, provide a second input to the drum drive system to rotate the drum at the target speed following one or more uses of the concrete mixer and while the drum is empty, acquire the operating data to determine a current operating characteristic of the drum drive system in response to the second input, and provide a buildup notification indicating that there is a buildup of drum contents within the drum in response to a difference between the baseline operating characteristic and the current operating characteristic exceeding a threshold differential.