VEHICLE-SUSPENSION SYSTEM WITH REMOTE CONTROL

• US 20110022266A1
• Filed: 12/24/2008
• Published: 01/27/2011
• Est. Priority Date: 03/05/2008
• Status: Abandoned Application

• Current Assignee: Sistemi Sospensioni SPA (Magneti Marelli S.p.A.)
• Original Assignee: Sistemi Sospensioni SPA (Magneti Marelli S.p.A.)
• Inventors: Greco, Giordano, Seminara, Massimo, Ippolito, Luigi Piero
• Application Number:
  US12/921,323
• Publication Number:
  US 20110022266A1
• Time in Patent Office: Days
• US Class Current: 701/37
• CPC Class Codes: B60G 17/018 characterised by the use of a specific signal treatment or control method
• CPC Class Codes: B60G 17/0195 characterised by the regulation being combined with other vehicle control systems conjoint control of vehicle sub-units including control of suspension systems B60W10/22
• CPC Class Codes: B60G 2401/16 GPS track data
• CPC Class Codes: B60W 2050/0064 using a remote, e.g. cordless, transmitter or receiver unit, e.g. remote keypad or mobile phone
• CPC Class Codes: B60W 2050/0075 Automatic parameter input, automatic initialising or calibrating means
• CPC Class Codes: B60W 2050/046 involving external transmission of data to or from the vehicle, e.g. via telemetry, satellite, Global Positioning System [GPS]
• CPC Class Codes: B60W 2556/45 External transmission of data to or from the vehicle
• CPC Class Codes: B60W 2556/50 of positioning data, e.g. GPS [Global Positioning System] data

Abstract

A control system of dynamics of a vehicle includes a processing and control electronic unit (10) arranged to adjust predetermined parameters of at least one control function. An on-board telematics platform (30) is connected to the processing and control electronic unit (10) and adapted to establish a communication link (L) with an autonomous portable personal electronic device (T) arranged to allow inputting adjustment data of the control function. The processing and control electronic unit (10) is arranged to assume a first autonomous operative condition wherein the processing and control electronic unit (10) is adapted to implement applications based on resident control strategies and a second coupled operative condition wherein the processing and control electronic unit (10) is adapted to establish communication with the telematics platform (30) to receive the adjustment data emitted by the portable personal electronic device (T) and implement the control function based on the adjustment data received.

Claims

1. A control system of dynamics of a vehicle comprising:

a processing and control electronic unit (10) arranged to adjust predetermined parameters of at least one control function of the vehicle dynamics as a function of either of signals and data indicative of operative conditions of at least one of the vehicle and commands imparted by a driver and to generate either of command signals and data for relative actuator devices of said control function; and

an on-board telematics platform (30) interfaced with an on-board communication network operating according to a first predetermined transmission protocol for connection to said processing and control electronic unit (10) and adapted to establish a communication link (L) through a second predetermined transmission protocol with an autonomous portable personal electronic device (T) provided with respective input and output interface devices, arranged to allow inputting adjustment data of said control function, and adapted to display said adjustment data to a user,

wherein said processing and control electronic unit (10) is arranged to assume a first autonomous operative condition in which said processing and control electronic unit (10) is adapted to implement applications based on resident control strategies and a second coupled operative condition in which said processing and control electronic unit (10) is adapted to establish a communication with said telematics platform (30) to receive said adjustment data of said control function emitted by said portable personal electronic device (T) and, in said second coupled operative condition, said processing and control electronic unit (10) is arranged to actuate said control function based on said adjustment data received.

2. A control system as set forth in claim 1, wherein said telematics platform (30) and processing and control electronic unit (10) are interfaced with an on-board network on which other control units (11a-11e) are further interfaced.

3. A control system as set forth in claim 1, wherein said telematics platform (30) and processing and control electronic unit (10) are interfaced with a dedicated network for mutual said communication thereof.

4. A control system as set forth in claim 1, wherein said telematics platform (30) is integrated with said processing and control electronic unit (10).

5. A control system as set forth in claim 1, wherein said second predetermined transmission protocol for said communication between said telematics platform (30) and portable personal electronic device (T) is a Bluetooth®

communication protocol.

6. A control system as set forth in claim 1, wherein said adjustment data are included within a predetermined range of values to ensure safeguard of safety conditions during maneuvers of the vehicle.

7. A control system as set forth in claim 1, wherein said adjustment data received by said processing and control electronic unit (10) in said second coupled operative condition are stored on board of said processing and control electronic unit (10).

8. A control system as set forth in claim 1, wherein said autonomous portable personal electronic device (T) includes a satellite navigation device provided with a satellite positioner bearing at least one reference geographical map, and adapted to compute vehicle localization data and said control system is arranged to create a mapping of adjustment characteristics of said control function managed as a function of a route travelled by the vehicle.

9. A control system as set forth in claim 8, wherein said adjustment data are stored in navigation device (T) in conjunction with said localization data.

10. A suspension system for a vehicle comprising:

a plurality of shock absorbers (14, 16) with adjustable damping each of which is provided with a control valve (24, 26) to control passage of a damping fluid between chambers of said shock absorber to modify relative damping force;

a set of sensors (12) adapted to detect either of relative acceleration and movement between a body of the vehicle and wheel hubs arranged at front and rear axes of the vehicle; and

a processing and control electronic unit (10) to emit driving signals of said control valves (24, 26) as a function of at least signals of said sensors (12) indicative of dynamics of the vehicle based on predetermined control strategies,

wherein said processing and control electronic unit (10) assumes a first autonomous operative condition in which said processing and control electronic unit (10) is adapted to implement applications based on resident control strategies and a second coupled operative condition in which said processing and control electronic unit (10) is adapted to establish a communication according to a first predetermined transmission protocol with an on-board telematics platform (30) adapted to establish a communication link (L) through a second predetermined transmission protocol with an autonomous portable personal electronic device (T) provided with respective input and output interface devices to allow inputting adjustment data of at least one damping force characteristic of said shock absorbers (14, 16), said processing and control electronic unit (10) in said second coupled operative condition is adapted to receive said adjustment data and drive said control valves (24, 26) based on said adjustment data received, and said suspension system is adapted to implement a control system.

11. A suspension system as set forth in claim 10, wherein said adjustment data include at least one force-speed curve for each of said shock absorbers (14, 16).

12. A suspension system as set forth in claim 10, wherein said adjustment data include at least one predefined control strategy of said shock absorbers (14, 16).

13. A suspension system as set forth in claim 10, wherein said adjustment data include a plurality of predefined control strategies of said shock absorbers (14, 16) associated to respective segments (P1-P4) of a preset road path (P).

14. A suspension system as set forth in claim 10, wherein said adjustment data include parameters of a predefined control strategy of said shock absorbers (14, 16).

15. A suspension system as set forth in claim 13, wherein said processing and control electronic unit (10) is adapted to receive data from said portable personal electronic device (T) that are representative of said vehicle dynamics and data representative of conditions on said road path (P).

16. A suspension system as set forth in claim 13, wherein said processing and control electronic unit (10) is adapted to identify a ride style adopted by a driver of the vehicle based on information about said vehicle dynamics and road path (P) acquired by said portable personal electronic device (T) to adjust parameters of a predefined control strategy of said shock absorbers (14, 16).

17. A control system of traction of a vehicle comprising:

an actuator with adjustable parameters for either of propulsion and gear-shift control;

a set of sensors (12) adapted to detect operative conditions and commands imparted by a driver of the vehicle; and

electronic processor and control (10) adapted to receive and interpret either of signals and data emitted by said sensors (12) and emit driving signals of said actuator as a function of said either of signals and data of said sensors (12) based on predetermined control strategies,

wherein said processor and control (10) assume a first autonomous operative condition in which said processor and control (10) are adapted to implement applications based on resident control strategies and a second coupled operative condition in which said processor and control (10) are adapted to establish a communication according to a first predetermined transmission protocol with an on-board telematics platform (30) adapted to establish a communication link (L) through a second predetermined transmission protocol with an autonomous portable personal electronic device (T) provided with respective input and output interface devices arranged to allow inputting adjustment data of at least one adjustable parameter for said either of propulsion and gear-shift control, said processor and control (10) in said second coupled operative condition is adapted to receive said adjustment data and drive said actuator based on said adjustment data received, and said traction control system is adapted to implement a control system.

18. A control system of steering of a vehicle comprising:

an actuator with adjustable parameters for control of the steering;

a set of sensors (12) adapted to detect operative conditions of the vehicle and commands imparted by a driver of the vehicle; and

electronic processor and controller (10) adapted to receive and interpret either of signals and data emitted by said sensors (12) and emit driving signals of said actuator as a function of said either of signals and data of said sensors (12) based on predetermined control strategies,

wherein said processor and control (10) assume a first autonomous operative condition in which said processor and control (10) are adapted to implement applications based on resident control strategies and a second coupled operative condition in which said processor and control (10) are adapted to establish a communication according to a first predetermined transmission protocol with an on-board telematics platform (30) adapted to establish a communication link (L) through a second predetermined transmission protocol with an autonomous portable personal electronic device (T) provided with respective input and output interface devices arranged to allow inputting adjustment data of at least one adjustable parameter for the control of the steering said processor and control (10) in said second coupled operative condition is adapted to receive said adjustment data and drive said actuator based on said adjustment data received, and said steering control system is adapted to implement a control system.

19. A control system of braking action of a vehicle comprising:

an actuator with adjustable parameters for control of the braking action;

a set of sensors (12) adapted to detect operative conditions of the vehicle and commands imparted by a driver of the vehicle; and

electronic processor and control (10) adapted to receive and interpret either of signals and data emitted by said sensors (12) and emit driving signals of said actuator as a function of said either of signals and data of said sensors (12) based on predetermined control strategies,

wherein said processor and control (10) assume a first autonomous operative condition in which said processor and control (10) are adapted to implement applications based on resident control strategies and a second coupled operative condition in which said processor and control (10) are adapted to establish a communication according to a first predetermined transmission protocol with an on-board telematics platform (30) adapted to establish a communication link (L) through a second predetermined transmission protocol with an autonomous portable personal electronic device (T) provided with respective input and output interface devices arranged to allow inputting adjustment data of at least one adjustable parameter for the control of the braking action, said processor and control (10) in said second coupled operative condition is adapted to receive said adjustment data and drive said actuator based on said adjustment data received, and said braking-action control system is adapted to implement a control system.

20. A control system as set forth in claim 19, wherein said portable personal electronic device (T) is adapted to establish said communication link (L) through said second predetermined transmission protocol with said telematics platform (30) of the vehicle and programmed to allow inputting said adjustment data of a vehicle dynamics control function managed by said processor and control (10) connected to said telematics platform (30) in a vehicle dynamics control system.