# US 2014/0195115 A1 · Method for controlling a vertical control system of a vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0195115 A1 - Document ID: US20140195115A1 - Status: Published application - Kind: A1 - Application number: 14/151,475 - Filed: 2014-01-09 - Published: 2014-07-10 - Earliest claimed: 2013-01-10 - Assignees: Audi AG - Applicants: Audi AG - Inventors: Rolf Müller; Jens Kaltofen; Tilo Koch; Paul Milbredt - Web page: https://patentgrep.com/patent/US20140195115A1 ## CPC - B60G 21/00: Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces (B60G17/033 takes precedence {; levelling or stabilising systems for tippers B60P1/045}; steering deflectable wheels combined with means for inwardly inclining the vehicle body on bends B62D9/02) - B60G 17/0152: {characterised by the action on a particular type of suspension unit (B60G17/01941 takes precedence)} - B60G 17/016: characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input {(B60G17/017 takes precedence)} - B60G 17/0185: for failure detection - B60G 2600/042: Monitoring means - B60G 2600/044: Alarm means - B60G 2600/08: Failure or malfunction detecting means - B60G 2800/80: Detection or control after a system or component failure - B60G 2800/85: System Prioritisation - B60G 2800/912: Attitude Control; levelling control - B60G 2800/914: Height Control System - B60G 2800/915: Suspension load distribution - B60G 2800/916: Body Vibration Control - B60W 10/22: including control of suspension systems - B60W 2050/0297: {Control Giving priority to different actuators or systems} - B60G: VEHICLE SUSPENSION ARRANGEMENTS (air-cushion vehicles B60V; {cycle suspensions B62K25/00}) - B60W: CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT ## Abstract A method for controlling a vertical control system of a vehicle with at least two vertical control devices that influence the driving stability of the vehicle, includes monitoring the functionality of the at least two vertical control devices, detecting a fault condition of a first vertical control device of the at least two vertical control devices, and adjusting the control parameters of at least a second vertical control device of the at least two vertical control devices for at least partially compensating of the fault condition of the first vertical control device. ## Claims ### Claim 1 A method for controlling a vertical control system of a vehicle with at least two vertical control devices that influence driving stability of the vehicle, the method comprising: monitoring functionality of the at least two vertical control devices by using sensor devices of a respective control unit of the vertical control devices, detecting a fault condition of a first vertical control device of the at least two vertical control devices, and adjusting control parameters of at least one second vertical control device of the at least two vertical control devices so as to at least partially compensate the fault condition of the first vertical control device. ### Claim 2 (depends on 1) The method of claim 1, wherein the vertical control system comprises at least two of the following vertical control devices: a roll control, an air suspension, a level control, and a damping control. ### Claim 3 (depends on 2) The method of claim 2, wherein the first vertical control device is embodied as the roll control and the second vertical control device is embodied as at least one of the air suspension and the damping control, wherein upon detection of the fault condition of the first vertical control device the control parameters of the second vertical control device are adjusted to achieve a stiffer suspension or damping. ### Claim 4 (depends on 2) The method of claim 2, wherein the first vertical control device is embodied as the air suspension of a wheel and the second vertical control device is embodied as at least one of the air suspension of another wheel and the damping control, wherein upon detection of the fault condition of the first vertical control device the control parameters of the second vertical control unit are adjusted to provide an identical suspension effect or damping effect commensurate with the fault condition. ### Claim 5 (depends on 2) The method of claim 2, wherein the first vertical control device is embodied as the level control and the second vertical control device is embodied as the damping control, wherein upon detection of the fault condition of the first vertical control device the control parameters of the second vertical control device are adjusted to provide a stiffer damping so as to avoid to an excessively deep immersion of the air suspension. ### Claim 6 (depends on 2) The method of claim 2, wherein the first vertical control device is embodied as the damping control and the second vertical control device is embodied as the level control, wherein upon detection of the fault condition of the first vertical control device the control parameters of the second vertical control unit are adjusted to a standard level. ### Claim 7 (depends on 1) The method of claim 1, further comprising displaying the fault condition to a driver of the vehicle as a warning signal after detection of the fault condition. ### Claim 8 (depends on 1) The method of claim 1, wherein an intervention in control of the vehicle is performed based on the detected fault condition and the adjusted the control parameters. ### Claim 9 A compensating device for controlling a vertical control system of a vehicle with at least two vertical control devices that influence driving stability of the vehicle, the compensating device comprising: at least one control unit which is configured to monitor functionality of the at least two vertical control devices, detect a fault condition of a first vertical control device of the at least two vertical control devices, and adjust control parameters of a second vertical control device of the at least two vertical control devices so as to at least partially compensate the fault condition of the first vertical control device.