Driving assistance device for a railway vehicle, comprising progressive means for indicating instructions
First Claim
1. A driving assistance device for a railway vehicle, comprising means for determining a target speed, wherein the driving assistance device includes:
- comparison means for comparing an instantaneous speed of the railway vehicle with an interval around the target speed, andindicating means comprising a progressive display device for indicating driving instructions for a conductor of the railway vehicle, the driving instructions including instructions for modifying the instantaneous speed in order to bring it closer to the target speed, said progressive display device being configured to;
indicate an instruction to increase the instantaneous speed when the instantaneous speed is below a first predefined value, the instruction to increase the instantaneous speed including an indicator with a variable value depending on the difference between the instantaneous speed and the target speed,indicate an instruction to decrease the instantaneous speed when the instantaneous speed is above a second predefined value, the instruction to decrease the instantaneous speed including an indicator with a variable value depending on the difference between the instantaneous speed and the target speed, andindicate an instruction to maintain the instantaneous speed when the instantaneous speed is comprised between the first and second predefined values,and in that said progressive display device includes a display panel, able to display the driving instructions, or a head-up display device, able to display the driving instructions in a field of view of the driver,and wherein said progressive display device is configured to;
display a first icon for an instruction to increase the instantaneous speed when the instantaneous speed is below the first predefined value, the first icon for the instruction to increase the instantaneous speed comprising the variable value indicator, formed by an element with a variable height depending on the difference between the instantaneous speed and the target speed, anddisplay a second icon for an instruction to decrease the instantaneous speed when the instantaneous speed is above the second predefined value, the second icon for the instruction to decrease the instantaneous speed comprising the variable value indicator, formed by an element with a variable height depending on the difference between the instantaneous speed and the target speed,wherein the interval surrounding the target speed is defined by the first and second predefined values, the second predefined value being superior to the first predefined value, and the processive display device for driving instructions is configured to;
display the first icon for the instruction to increase the instantaneous speed when the instantaneous speed is below the interval,display the second icon for the instantaneous speed reduction instruction when the instantaneous speed is above the interval, anddisplay an instantaneous speed maintenance instruction icon when the instantaneous speed is in the interval.
1 Assignment
0 Petitions
Accused Products
Abstract
A driving assistance device including means for determining a target speed, means for comparing an instantaneous speed of the railway vehicle with the target speed or with an interval around the target speed, and means for displaying driving instructions intended for a conductor of the railway vehicle, the driving instructions including instructions for modifying the instantaneous speed in order to bring it closer to the target speed, the display means being configured to: display a speed increase instruction icon when the instantaneous speed is below a first predetermined value, and to display a speed decrease instruction icon when the instantaneous speed is above a second predefined value.
14 Citations
8 Claims
-
1. A driving assistance device for a railway vehicle, comprising means for determining a target speed, wherein the driving assistance device includes:
-
comparison means for comparing an instantaneous speed of the railway vehicle with an interval around the target speed, and indicating means comprising a progressive display device for indicating driving instructions for a conductor of the railway vehicle, the driving instructions including instructions for modifying the instantaneous speed in order to bring it closer to the target speed, said progressive display device being configured to; indicate an instruction to increase the instantaneous speed when the instantaneous speed is below a first predefined value, the instruction to increase the instantaneous speed including an indicator with a variable value depending on the difference between the instantaneous speed and the target speed, indicate an instruction to decrease the instantaneous speed when the instantaneous speed is above a second predefined value, the instruction to decrease the instantaneous speed including an indicator with a variable value depending on the difference between the instantaneous speed and the target speed, and indicate an instruction to maintain the instantaneous speed when the instantaneous speed is comprised between the first and second predefined values, and in that said progressive display device includes a display panel, able to display the driving instructions, or a head-up display device, able to display the driving instructions in a field of view of the driver, and wherein said progressive display device is configured to; display a first icon for an instruction to increase the instantaneous speed when the instantaneous speed is below the first predefined value, the first icon for the instruction to increase the instantaneous speed comprising the variable value indicator, formed by an element with a variable height depending on the difference between the instantaneous speed and the target speed, and display a second icon for an instruction to decrease the instantaneous speed when the instantaneous speed is above the second predefined value, the second icon for the instruction to decrease the instantaneous speed comprising the variable value indicator, formed by an element with a variable height depending on the difference between the instantaneous speed and the target speed, wherein the interval surrounding the target speed is defined by the first and second predefined values, the second predefined value being superior to the first predefined value, and the processive display device for driving instructions is configured to; display the first icon for the instruction to increase the instantaneous speed when the instantaneous speed is below the interval, display the second icon for the instantaneous speed reduction instruction when the instantaneous speed is above the interval, and display an instantaneous speed maintenance instruction icon when the instantaneous speed is in the interval. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A driving assistance method for a railway vehicle, wherein the method includes:
-
determining a target speed, by use of determining means; comparing an instantaneous speed of the railway vehicle with the target speed or with an interval around the target speed, by use of comparison means; and indicating driving instructions for a conductor of the railway vehicle, said driving instructions including instructions for modifying the instantaneous speed in order to bring it closer to the target speed, by use of indicating means, such that; when the instantaneous speed is below a first predefined value, a speed increase instruction is indicated, the speed increase instruction including an indicator with a variable value depending on the difference between the instantaneous speed and the target speed, when the instantaneous speed is above a second predefined value, a speed decrease instruction is indicated, the speed decrease instruction including an indicator with a variable value depending on the difference between the instantaneous speed and the target speed, and when the instantaneous speed is between the first and second predefined values, a speed maintenance instruction is indicated, wherein the driving instructions are indicated on a progressive display device chosen between a display panel or a head-up display device, and wherein the progressive display device is configured to; display a first icon for an instruction to increase the instantaneous speed when the instantaneous speed is below the first predefined value, the first icon for the instruction to increase the instantaneous speed comprising the variable value indicator, formed by an element with a variable height depending on the difference between the instantaneous speed and the target speed, and display a second icon for an instruction to decrease the instantaneous speed when the instantaneous speed is above the second predefined value, the second icon for the instruction to decrease the instantaneous speed comprising the variable value indicator, formed by an element with a variable height depending on the difference between the instantaneous speed and the target speed, wherein the comparison means compare the instantaneous speed with an interval surrounding the target speed, defined by the first and second predefined values, and wherein the progressive display device for driving instructions is configured to; display the first icon for the instruction to increase the instantaneous speed when the instantaneous speed is below the interval, display the second icon for the instantaneous speed reduction instruction when the instantaneous speed is above the interval, and display an instantaneous speed maintenance instruction icon when the instantaneous speed is in the interval.
-
Specification