US6415230B1 — Method and apparatus for assisting vehicle operat…

Claim 1

Independent Claim 139 words

An apparatus for assisting vehicle operator braking action of a vehicle, comprising: a detection system that detects obstacles located in or near the direction of motion of the vehicle; vehicle condition sensors that provide characteristic parameters of the condition of the vehicle; operator demand sensors that provide operator demand; a control unit that determines whether braking action is needed from data concerning the obstacles, the characteristic parameters of vehicle condition and the operator demands on the vehicle and determines a target stand-by brake pressure, said control unit being operable to generate a command for adjustment of brake pressure to said determined stand-by brake pressure; and a braking system operable by the vehicle operator, said braking system being operable in response to said command to trigger stand-by brake pressure regulation upon said control unit determining that braking action is needed.

Claim 2

Independent Claim 139 words

An apparatus for assisting vehicle operator braking action of a vehicle, comprising: a detection system that detects obstacles located in or near the direction of motion of the vehicle; vehicle condition sensors that provide characteristic parameters of the condition of the vehicle; operator demand sensors that provide operator demand; a control unit that determines whether braking action is needed from data concerning the obstacles, the characteristic parameters of vehicle condition and the operator demands on the vehicle and determines a target stand-by brake pressure, said control unit being operable to generate a command for adjustment of brake pressure to said determined stand-by brake pressure; and a braking system operable by the vehicle operator, said braking system being operable in response to said command to trigger stand-by brake pressure regulation upon said control unit determining that braking action is needed.

Claim 3

Dependent Claim 38 words

The apparatus as claimed in claim 1 , wherein said control unit increases the target stand-by brake pressure as speed ratio in a transmission, which is available upon said control unit determining that braking action is needed, decreases.

Claim 4

Dependent Claim 38 words

The apparatus as claimed in claim 1 , wherein said control unit increases the target stand-by brake pressure as traveling speed of the vehicle, which is available upon said control unit determining that braking action is needed, increases.

Claim 5

Dependent Claim 45 words

The apparatus as claimed in claim 1 , wherein said control unit increases the target stand-by brake pressure greater as the maximum release speed of an accelerator pedal of the vehicle, which is available upon said control unit determining that braking action is needed, increases.

Claim 6

Dependent Claim 24 words

The apparatus as claimed in claim 1 , wherein said control unit increases the target stand-by brake pressure as weight of the vehicle increases.

Claim 7

Dependent Claim 72 words

The apparatus as claimed in claim 1 , wherein said control unit continuously calculates a target deceleration as a function of a distance between the vehicle and an obstacle and a relative speed between the vehicle and an obstacle and wherein said control unit determines that braking action is needed immediately after said control unit has determined that the magnitude of said calculated target deceleration has exceeded a predetermined magnitude of deceleration.

Claim 8

Dependent Claim 28 words

The apparatus as claimed in claim 1 , wherein said target stand-by brake pressure determined by said control unit is a function of travelling speed of the vehicle.

Claim 9

Dependent Claim 27 words

The apparatus as claimed in claim 1 , wherein said target stand-by brake pressure determined by said control unit is a function of weight of the vehicle.

Claim 10

Dependent Claim 37 words

The apparatus as claimed in claim 1 , wherein said target stand-by brake pressure is a function of accelerator pedal release speed upon returning movement of an accelerator pedal of the vehicle toward a released position thereof.

Claim 11

Dependent Claim 39 words

The apparatus as claimed in claim 1 , wherein said target stand-by brake pressure is a function of coefficient of friction between road tires of the vehicle and the surface of a roadway on which the vehicle is travelling.

Claim 12

Dependent Claim 28 words

The apparatus as claimed in claim 1 , wherein said target stand-by brake pressure is a function of a speed ratio established by a transmission of the vehicle.

Claim 13

Dependent Claim 31 words

The apparatus as claimed in claim 1 , wherein said target stand-by brake pressure drops in response to time elapsed since said control unit has determined that braking action was needed.

Claim 14

Dependent Claim 30 words

The apparatus as claimed in claim 1 , wherein said target stand-by brake pressure gradually drops as time elapses since said control unit has determined that braking action was needed.

Claim 15

Dependent Claim 40 words

The apparatus as claimed in claim 1 , wherein said target stand-by brake pressure remains unaltered for a preset period of time since said control unit has determined that braking action was needed and drops gradually as time elapses thereafter.

Claim 16

Dependent Claim 35 words

The apparatus as claimed in claim 1 , wherein said target stand-by brake pressure drops to zero upon elapse of a preset period of time since said control unit determined that braking action was needed.

Claim 17

Dependent Claim 26 words

The apparatus as claimed in claim 1 , where said target standby brake pressure drops to zero when said control unit determines an actual braking action.

Claim 18

Dependent Claim 26 words

The apparatus as claimed in claim 1 , wherein said target stand-by brake pressure drops to zero when said control unit determines an actual accelerating action.

Claim 19

Dependent Claim 62 words

The apparatus as claimed in claim 1 , wherein said braking system is operable in response to said command to trigger a stand-by state requiring stand-by brake pressure regulation upon said control unit determining that braking action is needed, and wherein the stand-by state is terminated upon the control unit determining an acceleration action or a braking action by the vehicle operator.

Claim 20

Independent Claim 226 words

An apparatus for assisting vehicle operator braking action of a vehicle, comprising: a detection system that detects obstacles located in or near the direction of motion of the vehicle; vehicle condition sensors that provide characteristic parameters of the condition of the vehicle; operator demand sensors that provide operator demand; a control unit that determines whether braking action is needed from data concerning the obstacles, the characteristic parameters of vehicle condition and the operator demands on the vehicle and determines a target stand-by brake pressure, said control unit being operable to generate a command for adjustment of brake pressure to said determined stand-by brake pressure; and a braking system operable by the vehicle operator, said braking system being operable in response to said command to trigger stand-by brake pressure regulation upon said control unit determining that braking action is needed, wherein said determined target stand-by brake pressure has an initial level greater than zero immediately after an accelerator pedal of the vehicle has been released by the vehicle operator, but said determined target stand-by brake pressure drops from said initial level toward zero level in response to elapse of time from the moment when the accelerator pedal has been released by the vehicle operator, and wherein said braking system is operable in response to said command to provide brake pressure as high as said determined target pressure.

Claim 21

Independent Claim 226 words

An apparatus for assisting vehicle operator braking action of a vehicle, comprising: a detection system that detects obstacles located in or near the direction of motion of the vehicle; vehicle condition sensors that provide characteristic parameters of the condition of the vehicle; operator demand sensors that provide operator demand; a control unit that determines whether braking action is needed from data concerning the obstacles, the characteristic parameters of vehicle condition and the operator demands on the vehicle and determines a target stand-by brake pressure, said control unit being operable to generate a command for adjustment of brake pressure to said determined stand-by brake pressure; and a braking system operable by the vehicle operator, said braking system being operable in response to said command to trigger stand-by brake pressure regulation upon said control unit determining that braking action is needed, wherein said determined target stand-by brake pressure has an initial level greater than zero immediately after an accelerator pedal of the vehicle has been released by the vehicle operator, but said determined target stand-by brake pressure drops from said initial level toward zero level in response to elapse of time from the moment when the accelerator pedal has been released by the vehicle operator, and wherein said braking system is operable in response to said command to provide brake pressure as high as said determined target pressure.

Claim 22

Dependent Claim 39 words

The apparatus as claimed in claim 19 , wherein said determined target pressure drops to zero level upon elapse of a preset period of time from the moment when the accelerator pedal has been released by the vehicle operator.

Claim 23

Dependent Claim 47 words

The apparatus as claimed in claim 19 , wherein said determined target pressure drops from said initial level gradually toward zero in response to elapse of time from the moment when the accelerator pedal has been released by the vehicle operator, and finally drops to zero level.

Claim 24

Dependent Claim 68 words

The apparatus as claimed in claim 19 , wherein said determined target pressure remains unaltered at said initial level for a preset period of time from the moment when the accelerator pedal has been released by the vehicle operator and drops from said initial level gradually toward zero in response to elapse of time after expiration of said preset period of time, and finally drops to zero level.

Claim 25

Dependent Claim 33 words

The apparatus as claimed in claim 19 , wherein said determined target pressure drops from said initial level down to zero level upon subsequent depression of the accelerator pedal by the vehicle operator.

Claim 26

Dependent Claim 37 words

The apparatus as claimed in claim 19 , wherein said determined target pressure drops from said initial level down to zero level upon subsequent depression of a brake pedal of said braking system by the vehicle operator.

Claim 27

Independent Claim 103 words

A method for assisting vehicle operator braking action of a vehicle, comprising: detecting obstacles located in or near the direction of motion of the vehicle; providing characteristic parameters of the condition of the vehicle; providing operator demand; determining whether braking action is needed from data concerning the obstacles, the characteristic parameters of vehicle condition and the operator demands on the vehicle and determines a target stand-by brake pressure; generating a command for adjustment of brake pressure to said determined stand-by brake pressure; and triggering stand-by brake pressure regulation in response to said command upon said control unit determining that braking action is needed.

Claim 28

Independent Claim 103 words

A method for assisting vehicle operator braking action of a vehicle, comprising: detecting obstacles located in or near the direction of motion of the vehicle; providing characteristic parameters of the condition of the vehicle; providing operator demand; determining whether braking action is needed from data concerning the obstacles, the characteristic parameters of vehicle condition and the operator demands on the vehicle and determines a target stand-by brake pressure; generating a command for adjustment of brake pressure to said determined stand-by brake pressure; and triggering stand-by brake pressure regulation in response to said command upon said control unit determining that braking action is needed.

Claim 29

Dependent Claim 61 words

The method of claim 25 , wherein in the triggering a stand-by brake pressure regulation step, a stand-by state is triggered requiring stand-by brake pressure regulation in response to said command upon said control unit determining that braking action is needed; and further comprising: terminating the stand-by state upon determining an acceleration action or a braking action by the vehicle operator.

Claim 30

Independent Claim 116 words

A apparatus for assisting vehicle operator braking action of a vehicle, comprising: means for detecting obstacles located in or near the direction of motion of the vehicle; means for providing characteristic parameters of the condition of the vehicle; means for providing operator demand; means for determining whether braking action is needed from data concerning the obstacles, the characteristic parameters of vehicle condition and the operator demands on the vehicle and determines a target stand-by brake pressure; means for generating a command for adjustment of brake pressure to said determined stand-by brake pressure; and means for triggering requiring stand-by brake pressure regulation in response to said command upon said control unit determining that braking action is needed.

Claim 31

Independent Claim 116 words

A apparatus for assisting vehicle operator braking action of a vehicle, comprising: means for detecting obstacles located in or near the direction of motion of the vehicle; means for providing characteristic parameters of the condition of the vehicle; means for providing operator demand; means for determining whether braking action is needed from data concerning the obstacles, the characteristic parameters of vehicle condition and the operator demands on the vehicle and determines a target stand-by brake pressure; means for generating a command for adjustment of brake pressure to said determined stand-by brake pressure; and means for triggering requiring stand-by brake pressure regulation in response to said command upon said control unit determining that braking action is needed.

Claim 32

Dependent Claim 61 words

The apparatus of claim 27 , wherein the means for triggering stand-by brake pressure regulation comprises means for triggering a stand-by state requiring stand-by brake pressure regulation in response to said command upon said control unit determining that braking action is needed, wherein the stand-by state is terminated upon determining an acceleration action or a braking action by the vehicle operator.

Claim 33

Independent Claim 190 words

An apparatus for assisting vehicle operator braking action of a vehicle, comprising: a detection system that detects obstacles located in or near the direction of motion of the vehicle; vehicle condition sensors that provide characteristic parameters of the condition of the vehicle; operator demand sensors that provide operator demand; a control unit that determines whether braking action is needed from data concerning the obstacles, the characteristic parameters of vehicle condition and the operator demands on the vehicle and determines a target stand-by brake pressure, said control unit being operable to generate a command for adjustment of brake pressure to said determined stand-by brake pressure upon said control unit determining that braking action is needed and upon said operator demand sensors providing that there is no operator demand for braking action; and a braking system operable by the vehicle operator, said braking system adjusting the brake pressure to said determined stand-by brake pressure upon the control unit generating said command to trigger stand-by brake pressure, said braking system being operable in response to said command to trigger stand-by brake pressure regulation upon said control unit determining that braking action is needed.

Claim 34

Independent Claim 190 words

An apparatus for assisting vehicle operator braking action of a vehicle, comprising: a detection system that detects obstacles located in or near the direction of motion of the vehicle; vehicle condition sensors that provide characteristic parameters of the condition of the vehicle; operator demand sensors that provide operator demand; a control unit that determines whether braking action is needed from data concerning the obstacles, the characteristic parameters of vehicle condition and the operator demands on the vehicle and determines a target stand-by brake pressure, said control unit being operable to generate a command for adjustment of brake pressure to said determined stand-by brake pressure upon said control unit determining that braking action is needed and upon said operator demand sensors providing that there is no operator demand for braking action; and a braking system operable by the vehicle operator, said braking system adjusting the brake pressure to said determined stand-by brake pressure upon the control unit generating said command to trigger stand-by brake pressure, said braking system being operable in response to said command to trigger stand-by brake pressure regulation upon said control unit determining that braking action is needed.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2005-07-01	2005-12-31	2006-07-02	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2009-07-01	2009-12-31	2010-07-02	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2013-07-01	2013-12-31	2014-07-02	$7700.00	Window Closed / Lapsed

Method and apparatus for assisting vehicle operator braking action of a vehicle

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