DE102010015342A1 - Energy navigation map for e.g. hybrid vehicle, has gradient values measured and/or calculated along route and driving direction, where gradient values and sum value are utilized to display energy- and consumption-optimized routing - Google Patents

Energy navigation map for e.g. hybrid vehicle, has gradient values measured and/or calculated along route and driving direction, where gradient values and sum value are utilized to display energy- and consumption-optimized routing Download PDF

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DE102010015342A1
DE102010015342A1 DE201010015342 DE102010015342A DE102010015342A1 DE 102010015342 A1 DE102010015342 A1 DE 102010015342A1 DE 201010015342 DE201010015342 DE 201010015342 DE 102010015342 A DE102010015342 A DE 102010015342A DE 102010015342 A1 DE102010015342 A1 DE 102010015342A1
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energy
navigation map
map according
consumption
gradient values
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Anmelder Gleich
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • G01C21/3453—Special cost functions, i.e. other than distance or default speed limit of road segments
    • G01C21/3469—Fuel consumption; Energy use; Emission aspects
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
    • G09B29/003—Maps
    • G09B29/006—Representation of non-cartographic information on maps, e.g. population distribution, wind direction, radiation levels, air and sea routes
    • G09B29/007—Representation of non-cartographic information on maps, e.g. population distribution, wind direction, radiation levels, air and sea routes using computer methods

Abstract

The map has topological gradient values (A-G) measured and/or calculated along a route and driving direction, where sum value is measured and/or calculated from the gradient. The gradient values and sum value are utilized to display and optionally convert energy-consumption-optimized routing. Additional break points are provided along the route and driving direction, and traffic jam information is processed to compute energy-efficient driving route and to display the energy-efficient driving route to a driver.

Description

Die Erfindung betrifft eine „Energie-Navigations-Karte” und deren Verwendung.The invention relates to an "energy navigation map" and its use.

Heutige Navigationssysteme, die für hauptsächlich den Strassenverkehr im Einsatz sind, stellen zwar sehr gut den Strassenverlauf bis hin zum Spurassistent dar, werden aber zur Zeit nicht zur „Verbrauchsoptimierung”, sondern ausschliesslich zur „Fahrzeitoptimierung” oder „Sight-seeing-Optimierung” herangezogen.Today's navigation systems, which are mainly used for road traffic, represent very well the road to the lane assistant, but are currently not used for "consumption optimization", but exclusively for "driving time optimization" or "Sight-seeing optimization".

Gerade aber die topologischen Höhenunterschiede in Verbindung mit verschiedenen bereits existenten Strassenverlaufskarten bergen erhebliches Verbesserungspotential als Grundlage des systematischen „vorausschauenden Fahrens” mit dem Ziel, den Verbrauch von eingesetzten Benzin- oder Dieselmotoren zu reduzieren bzw. den Energiespeicher bei Hybridfahrzeugen zu schonen d. h. grössere Reichweiten zu realisieren.However, the topological differences in altitude in connection with various already existing road maps have considerable potential for improvement as the basis of the systematic "anticipatory driving" with the aim of reducing the consumption of gasoline or diesel engines used or to save the energy storage in hybrid vehicles d. H. to realize greater ranges.

Auf Fahrzeugebene können diese Fahrtstreckeninformationen zur optimalen Ansteuerung des Hybridsystems verwendet werden, um z. B. die Schalt- und Ladeschwellen-Punkte entsprechend flexibel anzupassen. Beispielsweise werden die Entladeschwellen des Energiespeicher-Systems dann nach unten verschoben, wenn das Fahrzeug „weiß”, dass es nach einer bestimmten „Bergauf-Strecke” wieder eine längere „Bergab-Fahrt” folgt, bei der das Energiespeicher-System „sowieso” wieder aufgeladen wird.At the vehicle level, this route information can be used for the optimal control of the hybrid system in order, for. B. adapt the switching and charging threshold points accordingly flexible. For example, the Entladeschwellen the energy storage system are then shifted down when the vehicle "knows" that after a certain "uphill" again followed by a longer "downhill", in which the energy storage system "anyway" again is charged.

Für die verbrauchtechnisch kritische „Kaltlaufphase” bieten sich die Strecken an, die ein gleichmäßiges „Warmfahren” ohne „Bergfahrten” realisieren lassen. Hierauf kann sich das Fahrzeug mit einem entsprechenden „Parameter-Satz” optimal selbsttätig einstellen.For the consumption-critical "cold running phase", the routes offer a uniform "warm-up" can be realized without "mountain rides". Following this, the vehicle can optimally adjust itself automatically with a corresponding "parameter set".

Weitere Zusatzinformationen, die ebenfalls teilweise integriert sind, sogenannte POI's (position of items), können Energie-technisch ebenfalls verwendet werden. So wird beispielsweise bei der Anfahrt an eine Ampel bereits vorher der Verbrennungsmotor abgeschaltet, da sowohl das „Anhalten” wie das „Anfahren” im Hybridfahrzeug über den Elektromotor bewerkstelligt wird. Dasselbe optimierte Fahrverhalten ergibt sich auch bei Fahrten im Stau, da hierbei beim typischen „Stop-and-Go”-Fahren die Leistung des Elektromotors völlig ausreichend ist, solange die Batterie sich im entsprechenden Ladezustand befindet. Eine „Staufahrt” im EV-Modus von ca. 30 min ist problemlos erreichbar. Es ist demnach für den Verbrauch besser, im Stau „mitzuschwimmen”, als einen Umweg mit „Bergauf-Bergab”-Fahrten zu nehmen.Further additional information, which is also partially integrated, so-called POIs (position of items), can also be used in energy-technical terms. For example, when driving to a traffic light, the internal combustion engine is already switched off beforehand, since both the "stopping" and the "starting" in the hybrid vehicle are accomplished via the electric motor. The same optimized driving behavior is also obtained when driving in traffic jams, since in the typical "stop-and-go" driving the power of the electric motor is completely sufficient, as long as the battery is in the appropriate state of charge. A "Staufahrt" in EV mode of about 30 minutes is easily accessible. It is therefore better for consumption, mitzuschwimmen "in a traffic jam, as a detour with" uphill downhill "rides to take.

Ein zusätzlichen Informationsvorsprung erhält der Nutzer eines Internet-Routenplaners, wenn die Berechnung der Fahrtroute ebenfalls nach „Verbrauchsoptimiert” eingestellt werden kann. Liegen hierzu weitere Fahrzeugspezifische Kenndaten vor, ergibt sich eine weiter Wahlmöglichkeit zur Routenoptimierung.An additional information advantage is given to the user of an Internet route planner, if the calculation of the route can also be set to "Consumption-optimized". If there are further vehicle-specific characteristics, a further option for route optimization results.

Der positive Effekt vervielfältigt sich entsprechend, wenn die Energienavigations-Karte für ganze Fahrzeugflotten mit festgelegten Routen beispielsweise für grosse Logistik-Unternehmen eingesetzt wird. Bereits in der Planungsphase können hierbei in Abhängigkeit der technischen Ausstattung der Fahrzeuge und Verlauf der Routen erheblich Einsparungspotentiale identifiziert werden.The positive effect is multiplied accordingly when the energy navigation map is used for entire vehicle fleets with fixed routes, for example for large logistics companies. Considerable savings potential can already be identified in the planning phase, depending on the technical equipment of the vehicles and the course of the routes.

Ein weiterer Vorteil bietet die Energie-Navigations-Karte bereits in der Planungsphase von Verkehrs- und Infrastrukturmassnahmen eine Bewertung von Verlauf und Höhenunterschieden in Bezug auf Ihren Verbrauchs-Energetischen Einfluss für die späteren Verkehrsteilnehmer vorzunehmen. Hierbei sind möglichst lange schwach abfallende Strecken einzuplanen, die in einem weiteren Schritt mit „Energie-Verstärker-Strecken” zur Erreichung der Ausgangshöhe erweitert werden können.Another advantage of the Energy Navigation Map is that it provides an assessment of the course and height differences in terms of your consumption-energetic influence for the future road users already in the planning phase of traffic and infrastructure measures. Here, as long as possible weak sloping routes are planned, which can be extended in a further step with "energy amplifier sections" to achieve the initial height.

Fahruntersuchungen mit einem Hybrid-Fahrzeug von TOYOTA haben ergeben, dass bei der Simulation einer Energie-Navigations-Karte bei ausgewählten Strecken bis 20 km bis zu 50% Verbrauchsreduzierung und bei Strecken bis 100 km bis zu 25% Verbrauchsreduzierung erreicht werden könnenDriving tests with a TOYOTA hybrid vehicle have shown that simulating an energy navigation map can save up to 50% of fuel consumption on selected routes up to 20 km and up to 25% of fuel consumption on routes up to 100 km

Generell gelten die mögliche Verbessungen ebenfalls für Schienengebundene Fahrzeuge, da bereits hier eine Rückspeisung von Bremsenergie in Form von Strom ins Strom-Netz realisiert ist. Besonders das regelmäßige Befahren der definierten Streckenabschnitte lässt eine geplante Optimierung definitiv sinnvoll erscheinen.In general, the possible improvements also apply to rail-bound vehicles, since there is already a feedback of braking energy in the form of electricity in the power grid is realized. In particular, regular driving on the defined sections of the route makes a planned optimization definitely worthwhile.

Claims (10)

Energie-Navigations-Karte, die entlang der Fahrbahn und der Fahrtrichtung gemessene und/oder berechnete topologische Steigungswerte (A–G) enthält, mit einem daraus berechneten und/oder gemessenen Summenwert. Diese Daten werden dazu verwendet, die Energie- und verbrauchsoptimierte Streckenführung anzuzeigen und gegebenenfalls umzusetzen.Energy navigation map, the measured along the road and the direction of travel and / or calculated topological slope values (A-G) contains, with a calculated and / or measured sum value. These data are used to display and, if necessary, implement the energy- and consumption-optimized routing. Energie-Navigations-Karte nach Anspruch 1., die zusätzliche „Schaltpunkte” entlang der Fahrbahn und der Fahrtrichtung enthält, die dem Fahrzeugsteuerungs-System (Motor-/Hybrid-ECU) mitteilen, ab welchem Punkt es notwenig sein wird, den Verbrennungsmotor zuzuschalten, abhängig vom Ladezustand des jeweiligen Energiespeichersystems bzw. des Hybridsystems oder eines entsprechenden Referenzsystems.Energy navigation map according to claim 1, which contains additional "shift points" along the road and the direction of travel, which tell the vehicle control system (engine / hybrid ECU) from which point it will be necessary to switch on the internal combustion engine, depending on State of charge of the respective energy storage system or the hybrid system or a corresponding reference system. Energie-Navigations-Karte nach Anspruch 1., welche zusätzliche „POI” (points of items) enthält, die für die vorauschauende Energie-effiziente Fahrweise relevant sein können, wie Ampelanlagen, Baustellen, Radarfallen u. a.Energy navigation map according to claim 1, which contains additional "POI" (points of items), which may be relevant for the vorauschauende energy-efficient driving style, such as traffic lights, construction sites, speed traps u. a. Energie-Navigations-Karte nach Anspruch 1., welche zusätzlich die Stauinformationen verarbeitet, um die Energie-effizienteste Fahrtroute zu berechnen und dem/der Fahrer/In anzuzeigen.The energy navigation map according to claim 1, which additionally processes the congestion information to calculate the most energy-efficient route and display to the driver. Energie-Navigations-Karte nach Anspruch 1–4., welche als Zusatzfunktion in bestehende Routenplaner (z. B. im Internet oder auf Datenträger) eingearbeitet wird, um standardisiert oder Fahrzeug-abhängig dem Benutzer mitzuteilen, welches die Energie-effizienteste Fahrtroute sein wird.Energy navigation map according to claim 1-4, which is incorporated as an additional function in existing route planner (eg, on the Internet or on disk) to communicate standardized or vehicle-dependent the user, which will be the most energy-efficient route , Energie-Navigations-Karte nach Anspruch 1.–5., welche vom Fahrzeugsteuerungs-System (Motor-/Hybrid-ECU) verwendet wird, um die Energie-effizienteste Fahrtroute zu berechnen und dem/der Fahrer/In anzuzeigen, in Abhängigkeit zum Betriebszustand des Fahrzeugs selber. Es kann beispielsweise verbrauchsoptimierter sein, in der Kaltlaufphase eine etwas längere Wegstrecke zu wählen, die aber weniger steile Bergauf-Fahrten beinhaltet.Energy navigation map according to claim 1 -5., Which is used by the vehicle control system (engine / hybrid ECU) to calculate the most energy-efficient route and the driver / in, depending on the operating state of the vehicle itself. For example, it may be more fuel-efficient to choose a slightly longer distance in the cold-running phase, but this involves less steep uphill journeys. Energie-Navigations-Karte nach Anspruch 1.–6., welche dazu eingesetzt wird, die Fahrtrouten ganzer Fahrzeugflotten zu berechenen, um den Gesamtverbrauch zu optimieren.Energy navigation map according to claim 1.-6., Which is used to calculate the routes of whole vehicle fleets to optimize the overall consumption. Energie-Navigations-Karte nach Anspruch 1–7., welche im Schienennetz die Basis für Verbrauchs-optimierte Fahrpläne und Streckenführung bildet.Energy navigation map according to claim 1-7., Which forms the basis for consumption-optimized timetables and routing in the railway network. Energie-Navigations-Karte nach Anspruch 1.–8., welche bereits in der Planungsphase die Möglichkeit bietet, verschiedene Strecken- und Fahrtverläufe nach ihrem Energie-Optimierungs-Potential hin zu bewerten.Energy navigation map according to claim 1.-8., Which already offers in the planning phase, the possibility to evaluate different routes and routes according to their energy optimization potential out. Energie-Navigations-Karte nach Anspruch 1.–9., welche aufzeigt, an welchen Verkehrsknotenpunkten es sinnvoll ist, sogenannte „Energie-Verstärker-Strecken” einzurichten, die dafür sorgen, dass den Fahrzeugen von aussen während der Fahrt weitere Energie zugeführt wird, um Steigungen zu bewältigen und ihre Energie-Speicher-Systeme wieder aufzuladen.Energy navigation map according to claim 1.-9., Which shows at which junctions it makes sense to set up so-called "energy amplifier links", which ensure that the vehicles from the outside while driving further energy is supplied, to manage gradients and recharge their energy storage systems.
DE201010015342 2010-04-17 2010-04-17 Energy navigation map for e.g. hybrid vehicle, has gradient values measured and/or calculated along route and driving direction, where gradient values and sum value are utilized to display energy- and consumption-optimized routing Ceased DE102010015342A1 (en)

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