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US 12,179,629 B1Granted
Estimated state of charge determination
AssigneeSamsara Inc.
InventorsAlexander Thomas Govan, Alvin Wu, Benjamin Chang, Jennifer Zhang, Katherine Lee
Life of this patent
Estimating the term…
Abstract
A system receives historical vehicle battery data from a gateway device connected to a vehicle. Some vehicles with plug-in rechargeable batteries recommend/require that the vehicle computer be turned off when recharging. Thus, obtaining a current state of charge while a vehicle is charging can be difficult because the vehicle computer can be off. While the vehicle/gateway device is unable to transmit current battery data, the systems estimate a battery charge from the historical data.
Claims18
A system comprising:
- one or more computer readable storage mediums having program instructions embodied therewith;
- and
- one or more processors configured to execute the program instructions to cause the system to:
- estimate a current state of charge of a battery of a vehicle based at least in part on:
- a last state of charge of the battery, an estimated recharge time of the battery, and a customized charge estimate function for the battery;
- cause display of a graphical user interface on a device separate from the vehicle, the graphical user interface including at least:
- a graph-based visualization of metrics associated with the vehicle, wherein the graph-based visualization includes values of the metrics over time, and
- a metric selector configured with a plurality of selectable options and configured to, in response to user inputs selecting the selectable options, update the graph-based visualization;
- determine a graph from at least:
- the last state of charge and the customized charge estimate function, wherein the graph provides a visualization of an estimated state of charge of the battery over a period of time including a current time;
- and
- in response to a first user input to the metric selector, update the graph-based visualization in the graphical user interface to display the graph.
9 more elements
A computer-implemented method comprising:
- by one or more computing devices:
- estimating a current state of charge of a battery of a vehicle based at least in part on:
- a last state of charge of the battery, an estimated recharge time of the battery, and a customized charge estimate function for the battery;
- causing display of a graphical user interface on a device separate from the vehicle, the graphical user interface including at least:
- a graph-based visualization of metrics associated with the vehicle, wherein the graph-based visualization includes values of the metrics over time, and
- a metric selector configured with a plurality of selectable options and configured to, in response to user inputs selecting the selectable options, update the graph-based visualization;
- determining a graph from at least:
- the last state of charge and the customized charge estimate function, wherein the graph provides a visualization of an estimated state of charge of the battery over a period of time including a current time;
- and
- in response to a first user input to the metric selector, updating the graph-based visualization in the graphical user interface to display the graph.
7 more elements
Dependencies are inferred from the claim text.