Vehicle characteristic change system and method

• US 6,205,374 B1
• Filed: 01/26/1998
• Issued: 03/20/2001
• Est. Priority Date: 07/01/1993
• Status: Expired due to Term

• Current Assignee: Mazda Motor Corporation
• Original Assignee: Mazda Motor Corporation
• Inventors: Sakamoto, Kiyoshi, Ohmura, Hiroshi, Takehara, Shin, Hirabayashi, Shigerumi, Kljima, Takao, Nagata, Tomoko, Tachihata, Tetsuya, Izumi, Tomoji
• Primary Examiner(s): Cuchlinski, Jr., William A.
• Assistant Examiner(s): PIPALA, EDWARD J
• Application Number:
  US09/013,302
• Time in Patent Office: 1,149 Days
• Field of Search: 701/1, 701/35, 701/36, 701/49, 701/58, 701/59, 307/9.1, 307/10.1, 307/10.4, 307/10.5, 307/10.7, 340/825.15, 340/825.31, 340/825.34, 235/375, 235/376, 235/380, 235/382, 235/382.5
• US Class Current: 701/1
• CPC Class Codes: 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
• 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 2206/99 Suspension element selection procedure depending on loading or performance requirements, e.g. selection of damper, spring or bush
• CPC Class Codes: B60G 2600/1873 Model Following
• CPC Class Codes: B60G 2600/1877 Adaptive Control
• CPC Class Codes: B60G 2600/20 Manual control or setting means
• CPC Class Codes: B60G 2800/224 automatically, based on dangerous living style
• CPC Class Codes: B60G 2800/704 predicting unorthodox driving conditions for safe or optimal driving
• CPC Class Codes: B60G 2800/87 System configuration based on vehicle type or model
• CPC Class Codes: B60G 2800/90 System Controller type
• CPC Class Codes: B60T 2220/02 Driver type; Driving style; Driver adaptive features
• CPC Class Codes: B60W 10/06 including control of combustion engines
• CPC Class Codes: B60W 10/10 including control of change-speed gearings
• CPC Class Codes: B60W 10/119 including control of all-wheel-driveline means, e.g. transfer gears or clutches for dividing torque between front and rear axle B60W10/14 takes precedence
• CPC Class Codes: B60W 10/22 including control of suspension systems
• CPC Class Codes: B60W 2050/0004 In digital systems, e.g. discrete-time systems involving sampling
• CPC Class Codes: B60W 2050/0005 Processor details or data handling, e.g. memory registers or chip architecture
• CPC Class Codes: B60W 2050/0022 Gains, weighting coefficients or weighting functions
• CPC Class Codes: B60W 2050/0026 Lookup tables or parameter maps
• CPC Class Codes: B60W 2050/0057 : Frequency analysis, spectral techniques or transforms
• CPC Class Codes: B60W 2050/0063 : Manual parameter input, manual setting means, manual initialising or calibrating means
• CPC Class Codes: B60W 2050/0075 : Automatic parameter input, automatic initialising or calibrating means
• CPC Class Codes: B60W 2050/0083 : Setting, resetting, calibration
• CPC Class Codes: B60W 2050/146 : Display means
• CPC Class Codes: B60W 2540/06 : Ignition switch
• CPC Class Codes: B60W 2540/215 : Selection or confirmation of options
• CPC Class Codes: B60W 2540/22 : Psychological state; Stress level or workload
• CPC Class Codes: B60W 2540/30 : Driving style
• CPC Class Codes: B60W 2552/00 : Input parameters relating to infrastructure
• CPC Class Codes: B60W 2552/05 : Type of road, e.g. motorways, local streets, paved or unpaved roads
• CPC Class Codes: B60W 2552/25 : Road altitude
• CPC Class Codes: B60W 2552/30 : Road curve radius
• CPC Class Codes: B60W 2552/40 : Coefficient of friction
• CPC Class Codes: B60W 2555/20 : Ambient conditions, e.g. wind or rain
• CPC Class Codes: B60W 2555/40 : Altitude
• CPC Class Codes: B60W 2556/10 : Historical data
• CPC Class Codes: B60W 2710/06 : Combustion engines, Gas turbines
• CPC Class Codes: B60W 2710/12 : Differentials
• CPC Class Codes: B60W 2710/22 : Suspension systems
• CPC Class Codes: B60W 30/182 : Selecting between different operative modes, e.g. comfort and performance modes
• CPC Class Codes: B60W 40/09 : Driving style or behaviour
• CPC Class Codes: B60W 50/082 : Selecting or switching between different modes of propelling
• CPC Class Codes: B60W 50/085 : Changing the parameters of the control units, e.g. changing limit values, working points by control input
• CPC Class Codes: B62D 6/007 : adjustable by the driver, e.g. sport mode
• CPC Class Codes: F16H 2059/0221 : for selecting modes, i.e. input device
• CPC Class Codes: F16H 2061/0087 : Adaptive control, e.g. the control parameters adapted by learning
• CPC Class Codes: G07C 2209/04 : Access control involving a hierarchy in access rights

Abstract

A vehicle characteristic change system includes a characteristic information forming device for forming characteristic information with which characteristics of an object vehicle are changed: information entry device is used for entering the characteristic information into the object vehicle, and a characteristic change device is used for changing the characteristics of the object vehicle in accordance with the characteristic information formed by the characteristic information forming device. Characteristics of a vehicle can be readily changed to meet preference of driver, a driver'"'"'s taste, driving condition, driving circumstances and the like with a compact system and at low cost.

Claims

1. A vehicle characteristic change system comprising:

characteristic information forming means for (1) receiving driving information, including data relating to a particular driver, obtained from answers provided to particular questions as input data, (2) forming characteristic object vehicle information relating to the particular driver based on the driving information received at a location remote from an object vehicle, and (3) displaying the characteristic object vehicle information,

collecting and storing means for collecting and storing said characteristic object vehicle information formed at a location remote from said object vehicle, and

a control system including (1) information reading means for reading the characteristic object vehicle information collected and stored by the collecting and storing means, and (2) characteristic change means for changing characteristics of the object vehicle in accordance with the characteristic object vehicle information formed by the characteristic information forming means,

wherein the characteristic information forming means is provided with a table for storing the driving information and characteristic compensation coefficients, the characteristic object vehicle information indicates the characteristics of the object vehicle which are changed by the driving information, and the characteristic object vehicle information is calculated by the characteristic information forming means based on the driving information inputted and the table.

2. A vehicle characteristic change system as recited in claim 1 wherein the characteristic object vehicle information comprises information for controlling an output of an engine control device of the object vehicle.

3. A vehicle characteristic change system as recited in claim 1 wherein the characteristic object vehicle information comprises information for controlling a suspension characteristic of the object vehicle.

4. A vehicle characteristic change system as recited in claim 1 wherein the characteristic object vehicle information comprises information for controlling a steering characteristic of a four wheel steering system of the object vehicle.

5. A vehicle characteristic change system as recited in claim 1 wherein the characteristic object vehicle information comprises information for controlling a shift operation in an automatic transmission of the object vehicle.

6. A vehicle characteristic change system as recited in claim 1 wherein the driving information further includes information based on at least one of driving circumstances, purpose of use of the object vehicle and performance of the object vehicle, and wherein said information relating to the particular driver includes information relating to skill of the particular driver.

7. A vehicle characteristic change system as recited in claim 1 wherein the answers are provided by the particular driver to the particular questions.

8. A vehicle characteristic change system as recited in claim 1 wherein the characteristic information forming means comprises an information forming device outside of said object vehicle into which said answers are entered to form the characteristic object vehicle information.

9. A vehicle characteristic change system as recited in claim 1 wherein said means for manually modifying at least some of the characteristics includes switch means, provided in the object vehicle, for cancelling the characteristic object vehicle information.

10. A vehicle characteristic change system as recited in claim 1 wherein said driving information includes information relating to at least one of a purpose for which the object vehicle will be used and any passenger to accompany the particular driver.

11. A vehicle characteristic change system as recited in claim 1 wherein said driving information includes information relating to at least one of a drivability preference, a comfort preference and a fuel economy preference of the particular driver.

12. A vehicle characteristic change system as recited in claim 1, wherein said characteristic information forming means further displays past characteristic object vehicle information.

13. A vehicle characteristic change system as recited in claim 1, wherein said characteristic information forming means further displays overall characteristic information relating to any of object vehicle economy, object vehicle comfort, object vehicle steering properties and object vehicle turn performance.

14. A vehicle characteristic change system as recited in claim 1, wherein said collecting and storing means further stores the data relating to the particular driver and said information reading means reads out the data to form the characteristic object vehicle information.

15. A vehicle characteristic change system as recited in claim 1 wherein said characteristic information forming means is a device, separated from the object vehicle, including data processing components, an input and output interface, a display for showing said input data and means for transferring said input data to said collecting and storing means.

16. A vehicle characteristic change system as recited in claim 15 wherein said device, separated from the object vehicle, further includes a keyboard for supplying said input data to said interface.

17. A vehicle characteristic change system as recited in claim 15 wherein said collecting and storing means includes an integrated circuit card connectable to both said interface of the device separated from the object vehicle and said information reading means to transfer data therebetween.

18. A vehicle characteristic change system as recited in claim 1 wherein said driving information includes information relating to at least one of a temperature at which, an altitude at which and an area type in which the object vehicle will be driven.

19. A vehicle characteristic change system as recited in claim 18 wherein said area type is any one of a city area type, a suburban area type, a rural area type and a mountain area type.

20. A vehicle characteristic change system as recited in claim 1 wherein said driving information includes information relating to any of an age of, a sex of, a degree of driving experience of and a number of vehicles owned by the particular driver.

21. A vehicle characteristic change system as recited in claim 20 wherein said driving information includes information relating to at least one of a temperature at which, an altitude at which and an area type in which the object vehicle will be driven.

22. A vehicle characteristic change system as recited in claim 21 wherein said area type is any one of a city area type, a suburban area type, a rural area type and a mountain area type.

23. A vehicle characteristic change system as recited in claim 21 wherein said driving information includes information relating to at least one of a purpose for which the object vehicle will be used and any passenger to accompany the particular driver.

24. A vehicle characteristic change system as recited in claim 23 wherein said driving information includes information relating to at least one of a drivability preference, a comfort preference and a fuel economy preference of the particular driver.

25. A vehicle characteristic change method comprising the steps of:

receiving driving information, including data relating to a particular driver, obtained from answers provided to particular questions as input data, at a location remote from an object vehicle,

calculating based on the driving information inputted and a table provided in characteristic information forming means for storing the driving information and characteristic compensation coefficients to form characteristic object vehicle information relating to the particular driver based on the driving information received at a location remote from the object vehicle,

displaying the characteristic object vehicle information at the location remote from the object vehicle,

collecting and storing said characteristic object vehicle information formed at the location remote from said object vehicle,

reading the characteristic object vehicle information which has been collected and stored,

storing the characteristic object vehicle information read in a storage medium, and

changing certain characteristics of the object vehicle in accordance with the characteristic object vehicle information received.

26. A vehicle characteristic change method as recited in claim 25 and further comprising the step of utilizing an independent information forming device into which said answers are entered to form the characteristic object vehicle information.

27. A vehicle characteristic change method as recited in claim 25 and further comprising the step of manually modifying at least some of the characteristics of the object vehicle by operating switch means provided on the object vehicle.

28. A vehicle characteristic change method as recited in claim 25 wherein said driving information includes information relating to at least one of a purpose for which the object vehicle will be used and any passenger to accompany the particular driver.

29. A vehicle characteristic change method as recited in claim 25 wherein said driving information includes information relating to at least one of a drivability preference, a comfort preference and a fuel economy preference of the particular driver.

30. A vehicle characteristic change method as recited in claim 25, and further comprising the step of displaying past characteristic object vehicle information.

31. A vehicle characteristic change method as recited in claim 25, and further comprising the step of displaying overall characteristic information relating to any of object vehicle economy, object vehicle comfort, object vehicle steering properties and object vehicle turn performance.

32. A vehicle characteristic change method as recited in claim 25, and further comprising the steps of storing the data relating to the particular driver at the location remote from the object vehicle and reading out the data to form the characteristic object vehicle information.

33. A vehicle characteristic change method as recited in claim 25 and further comprising the step of providing a device, separated from the object vehicle and including data processing components, an input and output interface, a display for showing said input data and means for transferring said input data to said collecting and storing means, for receiving said driving information and forming said characteristic object vehicle information.

34. A vehicle characteristic change method as recited in claim 33 and further comprising the step of providing an integrated circuit card connectable to both said interface and means for receiving the driving information and forming the characteristic object vehicle information to transfer data therebetween.

35. A vehicle characteristic change method as recited in claim 25 wherein said driving information includes information relating to at least one of a temperature at which, an altitude at which and an area type in which the object vehicle will be driven.

36. A vehicle characteristic change method as recited in claim 35 wherein said area type is any one of a city area type, a suburban area type, a rural area type and a mountain area type.

37. A vehicle characteristic change method as recited in claim 25 wherein said driving information includes information relating to any of an age of, a sex of, a degree of driving experience of and a number of vehicles owned by the particular driver.

38. A vehicle characteristic change method as recited in claim 37 wherein said driving information includes information relating to at least one of a temperature at which, an altitude at which and an area type in which the object vehicle will be driven.

39. A vehicle characteristic change method as recited in claim 38 wherein said area type is any one of a city area type, a suburban area type, a rural area type and a mountain area type.

40. A vehicle characteristic change method as recited in claim 38 wherein said driving information includes information relating to at least one of a purpose for which the object vehicle will be used and any passenger to accompany the particular driver.

41. A vehicle characteristic change method as recited in claim 40 wherein said driving information includes information relating to at least one of a drivability preference, a comfort preference and a fuel economy preference of the particular driver.

42. A vehicle characteristic change method for changing a designated characteristic of a control device which controls characteristics of an object vehicle, comprising the steps of:

receiving driving information, including data relating to a particular driver, obtained from answers provided to particular questions as input data at a location remote from the object vehicle,

calculating based on the driving information and a table provided in characteristic information forming means for storing the driving information and characteristic compensation coefficients to form the characteristic object vehicle information relating to the particular driver for changing characteristics of the object vehicle independent and at a location remote from the object vehicle through manual entry of data representative of said answers,

displaying the characteristic object vehicle information at the location remote from the object vehicle,

reading the characteristic object vehicle information formed,

storing the read characteristic object information in a storage medium,

introducing the characteristic object vehicle information to the control device of the object vehicle to change the characteristics of the object vehicle, and

changing certain characteristics of the object vehicle when the read characteristic object vehicle information is introduced to the control device of the object vehicle.

43. A vehicle characteristic information change method as recited in claim 42 and further comprising the steps of:

storing the characteristic object vehicle information in a storage medium,

mounting the storage medium on a connector connected to the control device, and

reading the characteristic object vehicle information from the storage medium before introducing the characteristic information to the control device of the object vehicle.

44. A vehicle characteristic change method as recited in claim 43 wherein the object vehicle is controlled in accordance with basic characteristics which are provided before the storage medium is mounted on the connector.

45. A vehicle characteristic change method as recited in claim 43 and further comprising the step of changing the characteristics of the object vehicle based on the characteristic object vehicle information introduced from the storage medium when the storage medium is mounted on the connector.

46. A vehicle characteristic change method as recited in claim 43 wherein the characteristic object vehicle information is formed based on at least one of characteristics of a driver and conditions in which the object vehicle is used.

47. A vehicle characteristic change method as recited in claim 42 and further comprising the step of manually modifying at least some of the characteristics of the object vehicle.

48. A vehicle characteristic change method as recited in claim 42 wherein said driving information includes information relating to any of an age of, a sex of, a degree of driving experience of and a number of vehicles owned by the particular driver.

49. A vehicle characteristic change method as recited in claim 48 wherein said driving information includes information relating to at least one of a temperature at which, an altitude at which and an area type in which the object vehicle will be driven.

50. A vehicle characteristic change method as recited in claim 49 wherein said area type is any one of a city area type, a suburban area type, a rural area type and a mountain area type.

51. A vehicle characteristic change method as recited in claim 49 wherein said driving information includes information relating to at least one of a purpose for which the object vehicle will be used and any passenger to accompany the particular driver.

52. A vehicle characteristic change method as recited in claim 51 wherein said driving information includes information relating to at least one of a drivability preference, a comfort preference and a fuel economy preference of the particular driver.

53. A vehicle characteristic change method as recited in claim 42 wherein said driving information includes information relating to at least one of a temperature at which, an altitude at which and an area type in which the object vehicle will be driven.

54. A vehicle characteristic change method as recited in claim 53 wherein said area type is any one of city area type, a suburban area type, a rural area type and a mountain area type.

55. A vehicle characteristic change method as recited in claim 42 wherein said driving information includes information relating to at least one of a purpose for which the object vehicle will be used and any passenger to accompany the particular driver.

56. A vehicle characteristic change method as recited in claim 42 wherein said driving information includes information relating to at least one of a drivability preference, a comfort preference and a fuel economy preference of the particular driver.

57. A vehicle characteristic change method as recited in claim 42 and further comprising the step of providing a device, separated from the object vehicle and including data processing components, an input and output interface, a display for showing said input data and means for transferring said input data to said collecting and storing means, for receiving said driving information and forming said characteristic object vehicle information.

58. A vehicle characteristic change method as recited in claim 57 and further comprising the step of providing an integrated circuit card connectable to both said interface and means for receiving the driving information and forming the characteristic object vehicle information to transfer data therebetween.

59. A vehicle characteristic change method as recited in claim 42, and further comprising the step of displaying past characteristic object vehicle information.

60. A vehicle characteristic change method as recited in claim 42, and further comprising the step of displaying overall characteristic information relating to any of object vehicle economy, object vehicle comfort, object vehicle steering properties and object vehicle turn performance.

61. A vehicle characteristic change method as recited in claim 42, and further comprising the steps of storing the data relating to the particular driver at the location remote from the object vehicle and reading out the data to form the characteristic object vehicle information.

62. A vehicle characteristic change system for changing a designated characteristic of a control device of an object vehicle which controls characteristics of the object vehicle comprising:

characteristic information forming means at a location remote from said object vehicle for (1) receiving driving information, including data relating to a particular driver, obtained from answers provided to particular questions as manually entered input data, (2) forming characteristic object vehicle information utilized for changing the characteristics of the object vehicle based on said input data, and (3) displaying the characteristic object vehicle information,

a storage medium removably connected with the characteristic information forming means for storing the characteristic object vehicle information formed by the characteristic information forming means,

a medium connector for removably connecting the storage medium with the control device of the object vehicle, and

a control system including characteristic change means for changing certain characteristics of the object vehicle, in accordance with the characteristic object vehicle information formed by the characteristic information forming means,

wherein the characteristic information forming means is provided with a table for storing the driving information and characteristic compensation coefficients, the characteristic object vehicle information indicates the characteristics of the object vehicle which are changed by the driving information, and the characteristic object vehicle information is calculated by the characteristic information forming means based on the driving information inputted and the table.

63. A vehicle characteristic change system as recited in claim 62 wherein the characteristic information forming means comprises data entry means for entering said input data, display means for displaying the input data, and a storage medium connector to which the storage medium is connected so as to receive the characteristic object vehicle information from the storage medium.

64. A vehicle characteristic change system as recited in claim 62 and further comprising display means provided on the object vehicle for displaying a characteristic which is changed by the characteristic change means.

65. A vehicle characteristic change system as recited in claim 62 and further comprising display means provided on the object vehicle for displaying a difference between a characteristic which is changed by the characteristic change means and a basic control characteristic originally provided for the object vehicle.

66. A vehicle characteristic change system as recited in claim 62 wherein said driving information includes information relating to any of an age of, a sex of, a degree of driving experience of and a number of vehicles owned by the particular driver.

67. A vehicle characteristic change system as recited in claim 66 wherein said driving information includes information relating to at least one of a temperature at which, an altitude at which and an area type in which the object vehicle will be driven.

68. A vehicle characteristic change system as recited in claim 67 wherein said area type is any one of a city area type, a suburban area type, a rural area type and a mountain area type.

69. A vehicle characteristic change system as recited in claim 67 wherein said driving information includes information relating to at least one of a purpose for which the object vehicle will be used and any passenger to accompany the particular driver.

70. A vehicle characteristic change system as recited in claim 69 wherein said driving information includes information relating to at least one of a drivability preference, a comfort preference and a fuel economy preference of the particular driver.

71. A vehicle characteristic change system as recited in claim 62 wherein said driving information includes information relating to at least one of a temperature at which, an altitude at which and an area type in which the object vehicle will be driven.

72. A vehicle characteristic change system as recited in claim 71 wherein said area type is any one of a city area type, a suburban area type, a rural area type and a mountain area type.

73. A vehicle characteristic change system as recited in claim 62 wherein said driving information includes information relating to at least one of a purpose for which the object vehicle will be used and any passenger to accompany the particular driver.

74. A vehicle characteristic change system as recited in claim 62 wherein said driving information includes information relating to at least one of a drivability preference, a comfort preference and a fuel economy preference of the particular driver.

75. A vehicle characteristic change system as recited in claim 62 wherein said characteristic information forming means is a device, separated from the object vehicle, including data processing components, an input and output interface, a display for showing said input data and means for transferring said input data to said storage medium.

76. A vehicle characteristic change system as recited in claim 75 wherein said device, separated from the object vehicle, further includes a keyboard for supplying said input data to said interface.

77. A vehicle characteristic change system as recited in claim 75 wherein said storage medium includes an integrated circuit card connectable to both said interface of the device separated from the object vehicle and said medium connector to transfer data therebetween.

78. A vehicle characteristic change system as recited in claim 62, wherein said characteristic information forming means further displays past characteristic object vehicle information.

79. A vehicle characteristic change system as recited in claim 62, wherein said characteristic information forming means further displays overall characteristic information relating to any of object vehicle economy, object vehicle comfort, object vehicle steering properties and object vehicle turn performance.

80. A vehicle characteristic change system as recited in claim 62, wherein said collecting and storing means further stores the data relating to the particular driver and said information reading means reads out the data to form the characteristic object vehicle information.

81. A vehicle characteristic change system comprising:

characteristic information forming means for (1) receiving driving information, including data relating to a particular driver, obtained from answers provided to particular questions as input data, (2) forming characteristic object vehicle information relating to the particular driver based on the driving information received at a location remote from an object vehicle and a first table which is provided in the characteristic information forming means for storing the driving information and characteristic compensation coefficients, and (3) displaying the characteristic object vehicle information,

collecting and storing means for collecting and storing said driving information, and

a control system including (1) information reading means for reading the driving information collected and stored by the collecting and storing means, and (2) characteristic change means for forming characteristic object vehicle information relating to the particular driver based on the driving information in the object vehicle and for changing characteristics of the object vehicle in accordance with the characteristic object vehicle information formed by the characteristic information forming means,

the characteristic change means being provided with a second table for storing the vehicle information and characteristic compensation coefficients of the characteristic object vehicle information corresponding to the driving information wherein the characteristic object vehicle information indicates the characteristics of the object vehicle which are changed by the driving information, and

the characteristic object vehicle information being calculated by the characteristic change means based on the driving information received and the second table.

82. A vehicle characteristic change system as recited in claim 81 wherein the characteristic object vehicle information is displayed when an end key is operated.