Method and system for assessing the trip performance of a driver
First Claim
1. Method for automatically assessing performance of a driver of a current vehicle for a particular current trip, wherein updated current-trip driving data sets are repeatedly read from the vehicle, which current-trip driving data sets each comprises data from at least a predetermined set of basic driving data parameters, wherein new such current-trip driving data sets are read from the vehicle at consecutive observation time points separated by at the most a predetermined observation time period, wherein the method comprises the steps ofa) collecting previous-trip driving data sets, each observed at a respective one of a plurality of different observation time points, for a plurality of different previous trips made by a plurality of different drivers and a plurality of different vehicles, which previous-trip driving data sets each comprises parameter values for at least a certain predetermined set of qualified driving data parameters in turn comprising the said basic parameter set and in particular instantaneous vehicle energy consumption, and which parameter values are each read either as a respective instantaneous value or a respective average value read across a certain respective time period of at the most 5 seconds of length;
- b) grouping said previous-trip driving data sets into basic historic groups of such sets, said grouping being based upon a basic driving data set similarity measure;
c) for each of said current-trip driving data sets, mapping the current-trip driving data set in question to at the most one particular of said basic historic groups, based upon a basic group conformity measure between a driving data set and a basic historic group; and
d) calculating a first energy consumption-based trip performance parameter value for the current trip based upon a respective energy consumption-based group performance parameter value for each of the said mapped basic historic groups, which group performance parameter value in turn is calculated based upon the respective instantaneous energy consumption value in the respective previous-trip driving data sets in the basic historic group in question.
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Abstract
Method for automatically assessing performance of a driver (110) of a vehicle (100) for a particular trip, wherein current driving data sets, comprising basic driving data are repeatedly read from the vehicle, which method comprises the steps a) collecting previous-trip driving data sets comprising instantaneous vehicle energy consumption, for different previous trips, different drivers and different vehicles; b) grouping said previous-trip driving data sets into basic historic groups of such sets; c) mapping each current driving data set to a basic historic group; and d) calculating an energy consumption-based trip performance parameter value for the current trip based upon a respective energy consumption-based group performance parameter value for the mapped basic historic groups, which group performance parameter value in turn is calculated based upon the respective instantaneous energy consumption value in the respective previous-trip driving data sets in the basic historic group in question. The invention also relates to a system.
14 Citations
11 Claims
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1. Method for automatically assessing performance of a driver of a current vehicle for a particular current trip, wherein updated current-trip driving data sets are repeatedly read from the vehicle, which current-trip driving data sets each comprises data from at least a predetermined set of basic driving data parameters, wherein new such current-trip driving data sets are read from the vehicle at consecutive observation time points separated by at the most a predetermined observation time period, wherein the method comprises the steps of
a) collecting previous-trip driving data sets, each observed at a respective one of a plurality of different observation time points, for a plurality of different previous trips made by a plurality of different drivers and a plurality of different vehicles, which previous-trip driving data sets each comprises parameter values for at least a certain predetermined set of qualified driving data parameters in turn comprising the said basic parameter set and in particular instantaneous vehicle energy consumption, and which parameter values are each read either as a respective instantaneous value or a respective average value read across a certain respective time period of at the most 5 seconds of length; -
b) grouping said previous-trip driving data sets into basic historic groups of such sets, said grouping being based upon a basic driving data set similarity measure; c) for each of said current-trip driving data sets, mapping the current-trip driving data set in question to at the most one particular of said basic historic groups, based upon a basic group conformity measure between a driving data set and a basic historic group; and d) calculating a first energy consumption-based trip performance parameter value for the current trip based upon a respective energy consumption-based group performance parameter value for each of the said mapped basic historic groups, which group performance parameter value in turn is calculated based upon the respective instantaneous energy consumption value in the respective previous-trip driving data sets in the basic historic group in question. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. System for automatically assessing performance of a driver of a current vehicle for a particular current trip, which system is arranged to read updated current-trip driving data sets repeatedly from the vehicle, which current-trip driving data sets each comprises data from at least a predetermined set of basic driving data parameters, wherein the system is arranged to read new such current-trip driving data sets from the vehicle at consecutive observation time points separated by at the most a predetermined observation time period, wherein the system comprises a server arranged to collect previous-trip driving data sets, each observed at a respective one of a plurality of different observation time points, for a plurality of different previous trips made by a plurality of different drivers and a plurality of different vehicles, which previous-trip driving data sets each comprises parameter values for at least a certain predetermined set of qualified driving data parameters in turn comprising the said basic parameter set and in particular instantaneous vehicle energy consumption, and which parameter values are each read either as a respective instantaneous value or a respective average value read across a certain respective time period of at the most 5 seconds of length, wherein the server is arranged to group said previous-trip driving data sets into basic historic groups of such sets, said grouping being based upon a basic driving data set similarity measure, wherein the system is arranged, for each of said current-trip driving data sets, to map the current-trip driving data set in question to at the most one particular of said basic historic groups, based upon a basic group conformity measure between a driving data set and a basic historic group, and wherein the server is arranged to calculate a first energy consumption-based trip performance parameter value for the current trip based upon a respective energy consumption-based group performance parameter value for each of the said mapped basic historic groups, which group performance parameter value in turn is calculated based upon the respective instantaneous energy consumption value in the respective previous-trip driving data sets in the basic historic group in question.
Specification