Patent application number | Description | Published |
20090139119 | Payload system that compensates for rotational forces - The present disclosure is directed to a payload calculation system for use with a work implement. The payload calculation system may have a state sensor configured to measure a state of the work implement. The payload calculation system may further have a processing device configured to calculate a mass of a payload moved by the work implement. The processing device may be configured to use the measured state to compensate the calculation of the mass for centrifugal, inertial, and frictional forces of the work implement caused by the work implement rotating about a vertical pivot. | 06-04-2009 |
20090143896 | Payload system with center of gravity compensation - The present disclosure is directed to a payload calculation system for use with a work implement having at least two linkage members. The payload calculation system may have at least one state sensor configured to measure a state of the at least two linkage members. The payload calculation system may also have a processing device in communication with the at least one state sensor. The processing device may account for changes in a center of gravity of each of the at least two linkage members. The processing device may also be configured to use the at least one state sensor to determine a mass of a payload moved by the work implement. | 06-04-2009 |
20090218112 | Semi-autonomous excavation control system - An excavation control system for a machine is disclosed. The excavation control system may have a tool, at least one operator input device configured to provide manual control over movement of the tool, and a controller in communication with the at least one operator input device. The controller may be configured to receive an input related to an operator desired tool location, and determine that an operator is manually controlling movement of the tool toward the operator desired tool location. The controller may be further configured to automatically assume control over movement of the tool toward the operator desired tool location based on the determination. | 09-03-2009 |
20090265047 | Machine with automatic operating mode determination - A method is provided for determining a current operating mode of a machine. The method includes receiving data relating to a plurality of machine parameters and performing initial comparisons between the received data and previously stored reference data for each machine parameter. The method also includes determining an operating mode indicated by each initial comparison. The method further includes selecting a current operating mode from the operating modes indicated by the initial comparisons. | 10-22-2009 |
20090320640 | Variable inertia flywheel - A variable inertia flywheel includes a generally circular body coupled to a shaft, and a cavity positioned radially on the body. The flywheel may also include a mass configured to translate radially in the cavity and form an inner chamber proximate a center of the body and an outer chamber distal to the center of the body. The flywheel may further include a conduit fluidly coupling a hydraulic fluid to the outer chamber, and a control valve coupled to the conduit and configured to direct the fluid to the outer chamber. | 12-31-2009 |
20100017074 | Machine with customized implement control - A method is provided for operating a machine. The method includes receiving data relating to a current state of multiple parameters. The method also includes determining a parameter signature for each parameter of the multiple parameters based on the received data. In addition, the method includes comparing each parameter signature to reference data to determine which operating modes of the machine are indicated by each parameter signature. The method further includes adjusting one or more components of an implement control system according to the operating mode indicated by a threshold number of parameter signatures. | 01-21-2010 |
20100114808 | system and method for controlling an autonomous worksite - A control system is disclosed for providing a control decision to an autonomous worksite. The control system may include a communication interface configured to collect information related to an index of the autonomous worksite. The control system may also include a storage device configured to store the collected information and a plurality of constraint models. Each constraint model may characterize the mathematical relationship between the index and at least one control variable. The control system may further include a processor coupled to the communication interface and the storage device. The processor may be configured to build an optimization model for optimizing the index, based on the plurality of constraint models and the collected information. The processor may be further configured to determine the at least one control variable associated with the autonomous worksite by solving the optimization model. The processor may also be configured to make a control decision based on the determined control variable, and provide the control decision to the autonomous worksite. | 05-06-2010 |
20100152942 | Slippage condition response system - A slippage condition response system for a first machine of a plurality of machines is disclosed. The response system may have a sensing system configured to sense a parameter indicative of a slippage condition of the first machine. Additionally, the response system may have a locator configured to sense a parameter indicative of a location of the first machine. The response system may also have a transmitter. In addition, the response system may have a controller, which may be in communication with the sensing system, the locator, and the transmitter. The controller may be configured to monitor the location of the first machine. The controller may also be configured to monitor the parameter indicative of a slippage condition of the first machine. Additionally, the controller may be configured to transmit to an offboard system at least one location where the first machine experienced a slippage condition. | 06-17-2010 |
20100216498 | FLEET COMMUNICATION NETWORK - A communication network for a fleet of vehicles is disclosed. The communication network has a first group of the fleet of vehicles having a first level of priority on the network and a second group of the fleet of vehicles having a second level of priority on the network. A first vehicle in the first group is assigned as a supervisor of a second vehicle in the second group. | 08-26-2010 |
20110094214 | HIGH RESPONSE HYDRAULIC ACTUATOR - A hydraulic actuator for pump control is disclosed. The hydraulic actuator includes two hydraulically isolated chambers for actuation in one direction and two hydraulically isolated chambers for actuation in an opposite direction. Each of the four chambers is connected to a source of high pressure fluid by an electronically controlled pressure reducing valve. | 04-28-2011 |
20120136546 | SLIPPAGE CONDITION RESPONSE SYSTEM - A slippage condition response system for a first machine of a plurality of machines is disclosed. The response system may have a sensing system configured to sense a parameter indicative of a slippage condition of the first machine. Additionally, the response system may have a locator configured to sense a parameter indicative of a location of the first machine. The response system may also have a transmitter. In addition, the response system may have a controller, which may be in communication with the sensing system, the locator, and the transmitter. The controller may be configured to monitor the location of the first machine. The controller may also be configured to monitor the parameter indicative of a slippage condition of the first machine. Additionally, the controller may be configured to transmit to an offboard system at least one location where the first machine experienced a slippage condition. | 05-31-2012 |
20130102352 | Fleet Communication Network - A communication network for a fleet of vehicles is disclosed. The communication network has a first group of the fleet of vehicles having a first level of priority on the network and a second group of the fleet of vehicles having a second level of priority on the network. A first vehicle in the first group is assigned as a supervisor of a second vehicle in the second group. | 04-25-2013 |