Method and device for operating a vehicle

Patent metadata

Field	Value
Publication number	US-2016303979-A1
Application number	US-201415101492-A
Country	US
Kind code	A1
Filing date	Nov 17, 2014
Priority date	Dec 4, 2013
Publication date	Oct 20, 2016
Grant date	—

Abstract

The invention relates to a method and to a device for operating a vehicle. The method comprises the steps: setting (S 01; S 01′ ) a vehicle operating condition; detecting (S 02; S 02′ ) first data signals that comprise information on first environmental parameters, including information on a first external temperature; detecting (S 03; S 03′ ) second data signals that comprise information on vehicle-internal parameters, including information on a target vehicle interior temperature for the vehicle (F); calculating (S 04; S 04′ ) an expected first partial air-conditioning power requirement for the vehicle (F) based at least on the first data signals, the second data signals, and a vehicle model of the vehicle (F), the calculated expected first partial air-conditioning power requirement comprising at least one power requirement, according to the vehicle model, for the provision of a vehicle interior temperature depending on the target vehicle interior temperature and depending on the first external temperature; calculating (S 05; S 05′ ) at least one first additional expected partial power requirement for the vehicle (F); calculating (S 06; S 06′ ) a first expected resulting power requirement; and operating (S 07; S 07′ ) the vehicle (F) based on the determined first expected resulting power requirement, taking into account the set vehicle operating condition.

First claim

1 . A method for operating a vehicle, the method comprising:
setting (S 01 ; S 01 ′) a vehicle operating condition; detecting (S 02 ; S 02 ′) first data signals that comprise information on first environmental parameters, including information on a first external temperature; detecting (S 03 , S 03 ′) second data signals that comprise information on vehicle-internal parameters, including information on a target vehicle interior temperature for the vehicle (F); calculating (S 04 ; S 04 ′) an expected first partial air-conditioning power requirement for the vehicle (F) based at least on the first data signals, the second data signals and a vehicle model of the vehicle (F), calculated expected first partial air-conditioning power requirement comprising at least one power requirement, according to the vehicle model, for the provision of a vehicle interior temperature as a function of the target vehicle interior temperature and as a function of the first external temperature; calculating (S 05 ; S 05 ′) at least one first additional expected partial power requirement for the vehicle (F); calculating (S 06 ; S 06 ′) a first expected resulting power requirement as the sum of the calculated expected first partial air-conditioning power requirement and the at least one first additional partial power requirement; and operating (S 07 ; S 07 ′) the vehicle (F) based on the determined first expected resulting power requirement while taking into account the set vehicle operating condition.

2 . The method according to claim 1 , comprising the additional steps:
detecting (S 08 ) third data signals that include information on a first route for the vehicle (F); wherein the set vehicle operating condition includes a destination position and the first route is a route from a start position of the vehicle to the destination position; wherein the first environmental parameters along the first route comprise the first external temperature and said first external temperature is an external temperature on at least one section of the first route; and calculating (S 09 ) a first expenditure of energy of the vehicle (F) along the first route based on a progression of the determined first expected resulting power requirement along the first route, operating (S 07 ) the vehicle (F) on the basis of the first energy expenditure and while taking into account the destination position.

3 . The method according to claim 1 , wherein the first data signals include information on at least one of the following environmental parameters: a time of day, a calendar date, an airflow, weather conditions on at least one first section along the first route, the humidity on at least one second section along the first route, and an incident solar radiation on at least one third section along the first route.

4 . The method according to claim 1 , wherein the second data signals include information on at least one of the following vehicle-internal parameters: a current number of persons currently in the vehicle (F), a target speed specified to a cruise control of the vehicle (F) or a target speed range specified to the cruise control of the vehicle (F), a current vehicle m energy reserve of the vehicle (F), and an inside window pane temperature of a window pane of the vehicle.

5 . The method according to claim 1 , wherein the vehicle model includes information on at least one of the following: a power requirement of the vehicle (F) when a light of the vehicle (F) is switched on, a power requirement of a drivetrain of the vehicle (F) as a function of a speed of the vehicle, a power requirement of the drivetrain of the vehicle (F) as a function of the composition of the street, a fuel consumption of the drivetrain of the vehicle (F) as a function of the power requirement of the drivetrain, a vehicle mass, a degree of efficiency of the vehicle (F), and a power requirement of the vehicle (F) for the provision of a determined vehicle internal humidity of the vehicle (F) as a function of an external humidity.

6 . The method according to claim 2 , comprising the additional steps:
detecting of fourth data signals which include information on a second route; wherein the second route is a route from the starting position of the vehicle to the destination position which is different from the first route; detecting fifth data signals which include information on second environmental parameters along the second route, including information on at least one second external temperature on at least one section along the second route; calculating an expected second partial air-conditioning power requirement for the vehicle (F) along the second route based on the second data signals, the fifth data signals and the vehicle model of the vehicle (F), wherein the calculated second partial air-conditioning power requirement includes at least one power requirement for the provision of the vehicle interior temperature as a function of the target vehicle interior temperature and as a function of the at least one second external temperature; calculating at least one second additional expected partial power requirement for the vehicle (F); calculating a second expected resulting power requirement as the sum of the second partial air-conditioning power requirement and the at least one second additional partial power requirement; calculating a second expenditure of energy of the vehicle (F) along the second route based on a progression of the determined second expected resulting power requirement along said second route; and determining an optimal route having a minimal expenditure of energy for the vehicle (F) from a set comprising the first and the at least one second route; wherein the vehicle (F) is operated based on the defined optimal route.

7 . The method according to claim 2 , comprising the additional steps:
determining a cruising range of the vehicle (F) along at least the first route based on a current energy reserve of the vehicle and based on at least the calculated first expected resulting power requirement of the vehicle (F) along at least the first route; wherein the second data signals include at least information on the current energy reserve of the vehicle (F); the vehicle (F) being operated based on the determined cruising range of the vehicle (F).

8 . The method according to claim 1 ,
wherein the second data comprise information on a predetermined target speed range for the vehicle (F); wherein the first additional expected partial power requirement for the vehicle (F) is calculated for each speed value of speeds within the predetermined target speed range; wherein, for each speed value of speeds within the predetermined target speed range, the first additional expected resulting power requirement is calculated as the sum of the calculated expected first partial air-conditioning power requirement and the respective first additional expected partial power requirement for the vehicle in accordance with the speed value; and wherein the method furthermore comprises the step: determining that speed within the target speed range, for which the smallest first expected resulting power requirement for the vehicle (F) was calculated; and wherein operating (S 07 ) the vehicle includes setting the current speed of the vehicle (F) to the determined speed within the target speed range.

9 . A device ( 10 ) for operating a vehicle (F) comprising:
an input means ( 9 ) configured on the vehicle, a first data detection device ( 11 ) configured on the vehicle (F), a second data detection device ( 12 ) configured on the vehicle (F), a storage device ( 13 ) configured on the vehicle (F), a computing device ( 14 ) configured on the vehicle (F) and a control device ( 15 ) configured on the vehi

Assignees

• Bosch Gmbh Robert

Inventors

• Heyse Joerg

Classifications

• G01C21/3469

  Fuel consumption; Energy use; Emission aspects · CPC title

• B60L11/18 Primary

  Operations & Transport · mapped topic

• B60L1/02 Primary

  to electric heating circuits · CPC title

• B60L50/50

  using propulsion power supplied by batteries or fuel cells · CPC title

• B60H1/00807

  the input being a specific way of measuring or calculating an air or coolant temperature · CPC title