Patent application number | Description | Published |
20090112334 | Fixed-point virtual sensor control system and method - One aspect of the present disclosure includes a method for a control system of a machine. The method may include establishing a virtual sensor model indicative of interrelationships between at least one sensing parameter and a plurality of measured parameters related to the machine. The method may also include obtaining data and function information representing the virtual sensor model and converting the data information into fixed-point representation. Further, the method may include converting the function information into fixed-point representation and loading the converted fixed-point representation of data information and function information in the control system such that the control system uses the virtual sensor model in fixed-point arithmetic operation. | 04-30-2009 |
20090118841 | Virtual sensor network (VSN) system and method - A method is used for providing sensing data to a control system of a machine. The method may include providing a plurality of virtual sensors, each of which may have a model type, at least one input parameter, and at least one output parameter. The method may also include integrating the plurality of virtual sensors into a virtual sensor network; determining interdependencies among the plurality of virtual sensors; and obtaining operational information of the plurality of virtual sensors. Further, the method may include determining a first condition under which the virtual sensor network is unfit to provide one or more virtual sensor output parameter to the control system based on the determined interdependencies and the operational information; and presenting the determined first condition to the control system. | 05-07-2009 |
20090119065 | Virtual sensor network (VSN) system and method - A method is used for providing sensing data to a control system of a machine. The method may include providing a plurality of virtual sensors, each of which may have a model type, at least one input parameter, and at least one output parameter. The method may also include integrating the plurality of virtual sensors into a virtual sensor network; determining interdependencies among the plurality of virtual sensors; and obtaining operational information of the plurality of virtual sensors. Further, the method may include recording measurement data and performance information of the virtual sensor network and the plurality of virtual sensors; and generating one or more calibration certificate of the virtual sensor network based on the operational information, the measurement data, and the performance information. | 05-07-2009 |
20090293457 | System and method for controlling NOx reactant supply - A method is provided for a selective catalytic reduction (SCR) system for reducing a pollutant emission level in exhaust gas of an engine on a machine. The method may include providing a plurality of virtual sensors each having a model type, at least one input parameter, and at least one output parameter. The plurality of virtual sensors may include a first virtual sensor for measuring an emission level of a first component the pollutant and a second virtual sensor for measuring an emission level of a second component the pollutant. The method may also include integrating the plurality of virtual sensors into a virtual sensor network; operating the virtual sensor network to provide the first component emission level and the second component emission level; and calculating a ratio between the first component and the second component based on the first component emission level and the second component emission level. Further, the method may include determining a reactant injection rate of a reactant of the SCR system based on the ratio; and controlling the SCR system to apply the reactant at the reactant injection rate to reduce the pollutant emission level to a desired range. | 12-03-2009 |
20100050025 | Virtual sensor network (VSN) based control system and method - A method for providing a virtual sensor network based system. The method may include obtaining project data descriptive of a virtual sensor network to be used in a control system of a machine; establishing a virtual sensor network including a plurality of virtual sensors based on the project data. Each virtual sensor may have a model type, at least one input parameter, and at least one output parameter. The method may also include recording model information, measurement data, and performance information of the virtual sensor network including the plurality of virtual sensors; creating one or more calibration certificates of the virtual sensor network including a plurality of virtual sensors based on the model information, the measurement data, and the performance information; and generating a documentation package associated with the virtual sensor network. The documentation package may include at least an identification, the project data, and at least one calibration certificate of the virtual sensor network including a plurality of virtual sensors. | 02-25-2010 |
20140170617 | Monitoring System for a Machine - A system for reporting operator performance of a machine includes a plurality of sensors and a communications interface. A portable computing device is removably mounted on the machine and has a user identification data code unique to a machine operator. A controller determines an identity of the machine operator based upon the user identification data code, determine the operating conditions based upon signals from the sensors. The controller generates a performance report based at least in part upon performance data and provides the performance report to at least one of the portable computing device and a system remote from the machine. | 06-19-2014 |
20140172127 | Instrument System with Portable Computing Device - A system for operating a machine includes a portable computing device removably mounted on the machine. A controller is configured to determine authorized functionality of the machine based upon the data codes from the portable computing device, to determine the operating conditions of the machine and images to be displayed on a display, and generate operating commands based at least in part upon the authorized functionality. A method is also disclosed. | 06-19-2014 |
20140172128 | Remote Control System for a Machine - A controller implemented method of remotely operating a machine includes determining, for each of a plurality of operating conditions of the machine, a predetermined configuration of a machine instrument array and removably mounting a portable computing device on a remote control console. The method further includes defining a configuration of a console instrument array of the remote control console in which, for each of the plurality of operating conditions, the configuration of the console instrument array is generally identically to the predetermined configuration of the machine instrument array. A system is also disclosed. | 06-19-2014 |