Signal classification
AssigneeFord Global Technologies, LLC
InventorsHao Howard Yang, Qun Xu, Barth Rex Dalrymple
Life of this patent
Estimating the term…
Abstract
A computing device receives a first digital signal from a data acquisition system. It is determined that a first value includes in the first signal indicates an event. A second digital signal is received from the data acquisition system. It is determined that a second value included in the second signal includes a value that indicates the event, and that the event has occurred based at least in part on the first value, the second value, and a passage of a predetermined duration of time between a time of the first digital signal and a time of the second digital signal.
Claims9
A system, comprising;
- a plurality of mechanical components included in a physical machine;
- a communication bus included in the physical machine;
- a plurality of sensors included in the physical machine to provide digital signals, each of the sensors (i) disposed to obtain an analog signal measuring one or more of the mechanical components when the machine is in operation, (ii) configured to convert the obtained analog signal to one of the digital signals, and (iii) configured to output a converted digital signal to the communication bus,
- wherein the plurality of sensors includes a first sensor configured to output a first digital signal and a second sensor configured to output a second digital signal, the first digital signal including a first measurement of operation of one or more of the mechanical components at a first time, and the second digital including a second measurement of operation of the one or more mechanical components in the machine at a second time that is after the first time;
- and
- a first computer included in the physical machine, including a processor and a memory, the memory storing instructions executable by the processor such that the first computer is programmed to:
- receive the digital signals from the sensors via the communication bus;
- after determining that the first measurement meets a first threshold, then determine that the second measurement meets a second threshold;
- determine a time difference that is an amount of time passing between the first time and the second time;
- and
- upon determining that the time difference is greater than a predetermined amount of time, determine the occurrence of an event associated with the first and second measurements of operation of the one or more mechanical components in the machine;
- wherein the first data and the second data measure different data attributes.
Dependencies are inferred from the claim text.