Abstract: A worksite management system may include a worksite controller including one or more worksite controller processors configured to receive a signal indicative of a task to be performed by a machine at a worksite, identify a machine for performing the task, and generate a signal indicative of the machine. The worksite management system may also include a mobile device including one or more mobile device processors configured to receive the signal indicative of the machine, display an image representative of the machine, and display a prompt for a person at the worksite to validate availability of the machine to perform the task.

Abstract: A system and method for tracking activity of a plurality of machines can comprise identifying at least one work segment of a smart machine based on sensor data from one or more sensors of the smart machine; and identifying at least one work segment of each of a plurality of non-smart machines based on the identified at least one work segment of the smart machine and location data transmitted from the non-smart machine. The identified at least one work segment of the smart machine can be identified in association a first location at a worksite. The at least one work segment of each of the non-smart machines can be identified when the non-smart machine is within a predetermined distance of the first location associated with the identified at least one work segment of the smart machine.

Abstract: Enhanced tracking of quarry and mining machine operation is described herein. The method and system generate productivity metrics for a production asset cycle that comprises a plurality of serially connected segments. More particularly the method includes acquiring a production data point associated with a mobile asset. The method further includes assigning a temporal production status to the data point based upon the temporal instance data and at least one of a supplemental production data taken from the group consisting of: a current zone within a worksite occupied by the mobile asset, a machine state reported by the mobile asset, and a time-correlated production cycle-segment status of a further mobile asset interacting with the mobile asset. The disclosure provides, in another aspect, a method for visualizing aggregated production events for a mobile asset operated within a repeating production cycle comprising a plurality of serially connected segments.

Abstract: A system and method for tracking activity of a plurality of machines can comprise identifying at least one work segment of a smart machine based on sensor data from one or more sensors of the smart machine; and identifying at least one work segment of each of a plurality of non-smart machines based on the identified at least one work segment of the smart machine and location data transmitted from the non-smart machine. The identified at least one work segment of the smart machine can be identified in association a first location at a worksite. The at least one work segment of each of the non-smart machines can be identified when the non-smart machine is within a predetermined distance of the first location associated with the identified at least one work segment of the smart machine.

Abstract: A method includes receiving, from a material plant management system, check-in data for a haul truck that has checked into a material plant, the check-in data including a haul truck identifier and a check-in time. The method further includes receiving, from the material plant management system, scale ticket data including a destination of the haul truck and a check-out time at which the haul truck exits the material plant with a load of material, sending, via a network, the scale ticket data to a haul truck management system associated with the haul truck and a worksite management system associated with the destination, determining, based on the check-out time and the destination, an estimated time of arrival representing a time at which the haul truck will reach the destination, and providing, via the network, the estimated time of arrival to the haul truck management system and the worksite management system.

Abstract: A system and method for a scale ticketing system includes a scale computer and a hardware device. The scale computer is configured to issue a command with associated data that includes the ticket information to generate a scale ticket for a truck positioned at a scale associated with the scale ticketing system. The hardware device is connected to the scale computer and configured to identify the command and extract the ticket information from the associated data in response to identifying the command. The hardware device is also configured to transmit the extracted ticket information to a remote computing device.

Abstract: A worksite management system may include a worksite controller including one or more worksite controller processors configured to receive a signal indicative of a task to be performed by a machine at a worksite, identify a machine for performing the task, and generate a signal indicative of the machine. The worksite management system may also include a mobile device including one or more mobile device processors configured to receive the signal indicative of the machine, display an image representative of the machine, and display a prompt for a person at the worksite to validate availability of the machine to perform the task.

Abstract: A method includes transmitting instructions to the first machine to perform a first task defined by the worksite plan, and transmitting instructions to the second machine to perform a second task defined by the worksite plan, the second task being different from the first task. A first production metric is received from a first sensor associated with the first machine during execution of the first task, and A second production metric is received from a second sensor associated with the second machine during execution of the second task, the second production metric being different from the first production metric. A percentage of completion of the worksite plan is defined based on a unifying production metric that is determined based at least in part on the first production metric and the second production metric.

Abstract: A method of estimating productivity at a worksite includes receiving, with a controller, a worksite plan to be executed by a hauling machine, a spreading machine, and a compacting machine at the worksite, assigning, with the controller, the hauling machine, the spreading machine, and the compacting machine to implement tasks within the worksite plan based on respective capabilities of the hauling machine, the spreading machine and the compacting machine, receiving, with the controller, machine data from the hauling machine, the spreading machine and the compacting machine defining indication of completion of the tasks, and calculating, with the controller, a lift count based on the machine data.

Abstract: A powertrain includes an engine, a transmission having a first input connected to an engine output shaft, and a variator. The variator includes a pump connected to the engine output shaft and a motor connected to a second input of the transmission. The pump has a variable setting that is determinable by a position of a pump actuator in response to a command signal. A controller associated is disposed to control operation of the variator, at least in part, by providing the command signal to the pump actuator. The command signal is determined based on an operator command and on a compensation term, which depends on a correlation function of a parameter related to the speed ratio between a pump speed and a motor speed and a flow characteristic of the pump actuator.

Abstract: In an embodiment, torque control operation is provided in a transmission having a variable displacement variator with a hydraulic actuator. The transmission is engaged in a neutral state such that the variator output experiences substantially zero torque, and a first hydraulic pressure sweep to the hydraulic actuator is commanded while a corresponding sweep of motor speed ratio of the variator is recorded. The transmission is engaged into a locked mode providing a fixed output speed and a second hydraulic pressure sweep to the hydraulic actuator is commanded, and a corresponding sweep of variator output torque is recorded during this sweep. A torque/pressure map is then constructed relating motor torque, motor speed ratio, and actuator pressure by scaling the sweep of motor speed ratios and the sweep of variator output torque. The resultant map is usable to provide feed forward torque control of the transmission.

Abstract: A powertrain includes an engine, a transmission having a first input connected to an engine output shaft, and a variator. The variator includes a pump connected to the engine output shaft and a motor connected to a second input of the transmission. The pump has a variable setting that is determinable by a position of a pump actuator in response to a command signal. A controller associated is disposed to control operation of the variator, at least in part, by providing the command signal to the pump actuator. The command signal is determined based on an operator command and on a compensation term, which depends on a correlation function of a parameter related to the speed ratio between a pump speed and a motor speed and a flow characteristic of the pump actuator.

Abstract: In an embodiment, torque control operation is provided in a transmission having a variable displacement variator with a hydraulic actuator. The transmission is engaged in a neutral state such that the variator output experiences substantially zero torque, and a first hydraulic pressure sweep to the hydraulic actuator is commanded while a corresponding sweep of motor speed ratio of the variator is recorded. The transmission is engaged into a locked mode providing a fixed output speed and a second hydraulic pressure sweep to the hydraulic actuator is commanded, and a corresponding sweep of variator output torque is recorded during this sweep. A torque/pressure map is then constructed relating motor torque, motor speed ratio, and actuator pressure by scaling the sweep of motor speed ratios and the sweep of variator output torque. The resultant map is usable to provide feed forward torque control of the transmission.

Abstract: A control for a variable displacement pump disposed in a hydraulic system obtains a requested signal from a manual control device and provides a command signal to a valve operating to adjust a displacement setting of the variable displacement pump. The control provides the command signal based on the requested signal, and scales the requested signal based on a sensed or calculated load of the system.

Abstract: A steering control system for a machine having a traction device is disclosed. The steering control system may have a steering actuator, and a steering sensor configured to generate a first signal indicative of an actual steering angle of the machine. The steering control system may also have an operator input device, an input sensor configured to generate a second signal indicative of desired steering of the machine, and a feedback actuator operatively connected to the operator input device. The steering control system may further have a travel speed sensor configured to generate a third signal indicative of a travel speed of the machine, and a controller configured to activate the steering actuator to move the traction device an amount based on the first and second signals and to activate the feedback actuator to urge the operator input device toward the neutral position based on the third signal.

Abstract: A method of controlling a machine having a hydraulically actuated linkage includes lowering a load suspended by the leakage at least in part by leaking hydraulic fluid from a portion of a hydraulic actuation system, and generating a drift compensation control signal responsive to leaking hydraulic fluid. A machine includes an electronic controller in control communication with a valve, the electronic controller being configured to compensate for leakage induced drift of at least one hydraulic actuator of a machine hydraulic system by selectively commanding adjusting of the valve if drift criteria for the hydraulic system are satisfied.

Abstract: A control for a variable displacement pump disposed in a hydraulic system obtains a requested signal from a manual control device and provides a command signal to a valve operating to adjust a displacement setting of the variable displacement pump. The control provides the command signal based on the requested signal, and scales the requested signal based on a sensed or calculated load of the system.

Abstract: A hydraulic control system for a machine having a work implement is disclosed. The hydraulic control system has a fluid actuator configured to move the work implement. The control system also has an operator interface device configured to generate at least one signal in response to a movement of the operator interface device. The control system further has a valve assembly for controllably providing hydraulic fluid flow to the fluid actuator to affect movement of the fluid actuator. The hydraulic control system has a controller configured to communicate with the valve assembly and the operator interface device. The controller is also configured to receive a signal, determine a velocity input associated with the movement of the operator interface device based on the received signal, and determine a desired fluid actuator velocity based on the determined velocity input.

Abstract: A method of controlling a machine having a hydraulically actuated linkage includes lowering a load suspended by the leakage at least in part by leaking hydraulic fluid from a portion of a hydraulic actuation system, and generating a drift compensation control signal responsive to leaking hydraulic fluid. A machine includes an electronic controller in control communication with a valve, the electronic controller being configured to compensate for leakage induced drift of at least one hydraulic actuator of a machine hydraulic system by selectively commanding adjusting of the valve if drift criteria for the hydraulic system are satisfied.

Abstract: A hydraulic control system for a machine having a work implement is disclosed. The hydraulic control system has a fluid actuator configured to move the work implement. The control system also has an operator interface device configured to generate at least one signal in response to a movement of the operator interface device. The control system further has a valve assembly for controllably providing hydraulic fluid flow to the fluid actuator to affect movement of the fluid actuator. The hydraulic control system has a controller configured to communicate with the valve assembly and the operator interface device. The controller is also configured to receive a signal, determine a velocity input associated with the movement of the operator interface device based on the received signal, and determine a desired fluid actuator velocity based on the determined velocity input.