Systems and methods for calibrating vehicle sensing devices
US10180120B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 5, 2017 |
| Grant date | Jan 15, 2019 |
| Priority date | — |
| Expiry date | Jun 12, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02D2200/701
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods and systems are provided for calibrating a vehicle intake humidity sensor positioned in an intake manifold of an engine of the vehicle. In one example, a method is provided, comprising in response to shutdown of the engine, and further responsive to conditions being met for calibrating the intake humidity sensor, requesting a humidity estimate from one or more weather devices, and calibrating the intake humidity sensor based on at least a confidence level in the one or more weather devices. In this way, the intake humidity sensor may be regularly calibrated, under conditions where accurate and robust calibration may be achieved, and where regularly calibrating the intake humidity sensor may improve engine operation and increase fuel economy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.