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US 11,413,922 B2Granted
Vehicle suspension control systems and devices, and related methods
AssigneeFord Global Technologies, LLC
InventorsPaul Miska, Timothy Panagis
Life of this patent
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Abstract
A method of controlling a suspension system of a vehicle includes identifying an amplitude and a frequency of at least one harmonic event in a topology of a surface to be traversed by the vehicle, and, with a controller, altering at least one response characteristic of at least one adjustable component of the suspension system based on at least one of the amplitude and frequency of the harmonic event. Systems and methods relate to controlling vehicle suspension systems.
Claims18
A method for controlling a vehicle suspension system, comprising:
- with a sensor operably coupled with a controller, sampling a topology of a surface to be traversed by the vehicle at a sampling rate to generate sampled data and identifying an amplitude of a harmonic event comprising a series of individual irregularities in the surface to be traversed by the vehicle as a function of time based on the sampled data, wherein the sampling rate of the sensor varies based on a frequency of irregularities encountered in the topology of the surface;
- with the controller, resolving information regarding the amplitude of the harmonic event as a function of time into information regarding the amplitude of the harmonic event as a function of frequency;
- and
- with the controller, altering a response characteristic of the suspension system based on an identified location of each irregularity in the series of individual irregularities and the information regarding the amplitude of the harmonic event as a function of frequency.
1 more element
A suspension system for a vehicle, comprising:
- a controller;
- a suspension component operably coupled to the controller;
- and
- a sensor operably coupled to the controller, wherein the sensor samples a topology of a surface to be traversed by the vehicle at a sampling rate to generate sampled data, the sampling rate varying based on a frequency of irregularities encountered in the topology of the surface;
- wherein the controller:
- collects information regarding an amplitude of a harmonic event in the surface to be traversed by the vehicle as a function of time based on the sampled data, the harmonic event comprising a series of individual irregularities;
- resolves information regarding the amplitude of the harmonic event as a function of time into information regarding the amplitude of the harmonic event as a function of frequency;
- and
- alters a response characteristic of the suspension component based on an identified location of each irregularity in the series of individual irregularities and the information regarding the amplitude of the harmonic event as a function of frequency prior to contact with a first irregularity in the series of individual irregularities and following contact with the first irregularity in the series of individual irregularities.
6 more elements
A suspension system for a vehicle, comprising:
- a controller;
- a suspension component operably coupled to the controller;
- and
- a sensor operably coupled to the controller to capture information about a surface to be traversed by the vehicle for provision to the controller, the controller collecting information regarding an amplitude of a harmonic event in the surface to be traversed by the vehicle as a function of position on the surface by correlating the amplitude of the harmonic event in the surface with a sensing range of the sensor, the harmonic event comprising a series of individual irregularities;
- wherein:
- the controller resolves the information regarding the amplitude of the harmonic event as the function of position on the surface into the information regarding the amplitude of the harmonic event as a function of frequency, and
- the controller controls the suspension component based on an identified location of each irregularity in the series of individual irregularities and the information regarding the amplitude of the harmonic event as a function of frequency.
4 more elements
Dependencies are inferred from the claim text.