Charge-discharge management apparatus and computer readable medium comprising instructions for achieving the apparatus
First Claim
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1. A charge-discharge management apparatus for a battery of a hybrid vehicle, which uses an internal combustion engine driven by fuel combustion and a motor driven by the battery as a power source for running, the apparatus comprising:
- an estimated route specification control unit configured to specify an estimated route expected to be traveled by the hybrid vehicle;
a scheduling control unit configured to, after the estimated route is specified, (i) determine a schedule of a scheduled path along the estimated route about whether or not to drive the hybrid vehicle using the motor and to charge the battery and (ii) estimate transition of a remaining quantity of the battery along the estimated route based on the schedule of the scheduled path;
a scheduled running control unit configured, when the hybrid vehicle runs on the estimated route and enters the scheduled path, to (i) start a control over whether or not to drive the hybrid vehicle using the motor and to control charging of the battery in accordance with the schedule and (ii) continue the control on the scheduled path; and
a map-matching control unit configured to determine which road the hybrid vehicle is running on using position information from a GPS sensor provided in the hybrid vehicle;
a map-matching distance estimation control unit configured to estimate a map-matching distance, which is a distance traveled after the hybrid vehicle starts running until the map matching control unit provides an accurate determination of which road the hybrid vehicle is running on so as to shorten the map-matching distance in proportion to an increase of precision of the position information, based on precision information indicating precision of the position information; and
a start point determination control unit configured to, after the estimated route is specified, determine a reference position as a start point of the scheduled path whose schedule is determined by the scheduling control unit,the reference position being located along the estimated route ahead of a position that is reached by the hybrid vehicle by traveling the map-matching distance after the hybrid vehicle starts running.
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Abstract
After a final estimated route for a hybrid vehicle is specified, a navigation ECU determines a start point of a scheduled path, which a charging schedule is to be created for. The start point corresponds to a position at a travel distance, which is equivalent to a distance traveled from a present position of the hybrid vehicle along the estimated route for a time period required for creating a charging schedule.
20 Citations
9 Claims
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1. A charge-discharge management apparatus for a battery of a hybrid vehicle, which uses an internal combustion engine driven by fuel combustion and a motor driven by the battery as a power source for running, the apparatus comprising:
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an estimated route specification control unit configured to specify an estimated route expected to be traveled by the hybrid vehicle; a scheduling control unit configured to, after the estimated route is specified, (i) determine a schedule of a scheduled path along the estimated route about whether or not to drive the hybrid vehicle using the motor and to charge the battery and (ii) estimate transition of a remaining quantity of the battery along the estimated route based on the schedule of the scheduled path; a scheduled running control unit configured, when the hybrid vehicle runs on the estimated route and enters the scheduled path, to (i) start a control over whether or not to drive the hybrid vehicle using the motor and to control charging of the battery in accordance with the schedule and (ii) continue the control on the scheduled path; and a map-matching control unit configured to determine which road the hybrid vehicle is running on using position information from a GPS sensor provided in the hybrid vehicle; a map-matching distance estimation control unit configured to estimate a map-matching distance, which is a distance traveled after the hybrid vehicle starts running until the map matching control unit provides an accurate determination of which road the hybrid vehicle is running on so as to shorten the map-matching distance in proportion to an increase of precision of the position information, based on precision information indicating precision of the position information; and a start point determination control unit configured to, after the estimated route is specified, determine a reference position as a start point of the scheduled path whose schedule is determined by the scheduling control unit, the reference position being located along the estimated route ahead of a position that is reached by the hybrid vehicle by traveling the map-matching distance after the hybrid vehicle starts running. - View Dependent Claims (2, 3, 4)
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5. A computer readable medium comprising instructions being executed by a computer, the instructions including a computer-implemented method for managing a battery of a hybrid vehicle, which uses an internal combustion engine driven by fuel combustion and a motor driven by the battery as a power source for running, the instructions comprising:
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performing map-matching to determine a road the hybrid vehicle is running on using position information from a GPS sensor provided in the hybrid vehicle; estimating a map-matching distance, which is a distance traveled after the hybrid vehicle starts running until the map-matching provides an accurate determination of which road the hybrid vehicle is running on so as to shorten the map-matching distance in proportion to an increase of precision of the position information based on precision information indicating precision of the positional information; specifying an estimated route expected to be traveled by the hybrid vehicle; determining, after the estimated route is specified, a reference position as a start point of the scheduled path, the reference position being located along the estimated route ahead of a position that is reached by the hybrid vehicle by traveling the map-matching distance after the hybrid vehicle starts running; determining a schedule about whether or not to drive the hybrid vehicle using the motor and to charge the battery, the schedule of the scheduled path starting from the determined start point along the estimated route while estimating transition of a remaining quantity of the battery along the estimated route based on the schedule; and starting, when the hybrid vehicle runs on the estimated route and enters the scheduled path starting from the start point, a control over whether or not to drive the hybrid vehicle using the motor and to control charging of the battery in accordance with the determined schedule and continuing the control on the scheduled path.
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6. A charge-discharge management apparatus for a battery of a hybrid vehicle, which uses an internal combustion engine driven by fuel combustion and a motor driven by the battery as a power source for running, the apparatus comprising:
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an estimated route specification control unit configured to specify an estimated route expected to be traveled by the hybrid vehicle; a scheduling control unit configured to, after the estimated route is specified, (i) determine a schedule of a scheduled path along the estimated route about whether or not to drive the hybrid vehicle using the motor and to charge the battery and (ii) estimate transition of a remaining quantity of the battery along the estimated route based on the schedule of the scheduled path; a scheduled running control unit configured, when the hybrid vehicle runs on the estimated route and enters the scheduled path, to (i) start a control over whether or not to drive the hybrid vehicle using the motor and to control charging of the battery in accordance with the schedule and (ii) continue the control on the scheduled path; a map-matching control unit configured to determine which road the hybrid vehicle is running on using position information from a GPS sensor provided in the hybrid vehicle; an accuracy history recording control unit configured to record precision information equivalent to precision of position information received from the GPS sensor at each of a plurality of positions traveled by the hybrid vehicle after the hybrid vehicle starts running; and a start point determination control unit configured to, after the estimated route is specified, determine a reference position along the estimated route as a start point of the scheduled path whose schedule is determined by the scheduling control unit, the reference position being a first position that is one of the plurality of positions for recording the precision information recorded by the accuracy history recording control unit, the first position being the first from among the plurality or positions along the estimated route having an accuracy greater than a reference accuracy. - View Dependent Claims (7, 8)
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9. A computer readable medium comprising instructions being executed by a computer, the instructions including a computer-implemented method for managing a battery of a hybrid vehicle, which uses an internal combustion engine driven by fuel combustion and a motor driven by the battery as a power source for running, the instructions comprising:
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performing a map-matching to determine a road the hybrid vehicle is running, using position information from a GPS sensor provided in the hybrid vehicle; recording precision information equivalent to precision of position information received from the GPS sensor at each of a plurality of positions traveled by the hybrid vehicle after the hybrid vehicle starts running; specifying an estimated route expected to be traveled by the hybrid vehicle; determining, after the estimated route is specified, a reference position along the estimated route as a start point of the scheduled path, the reference position being a first position that is one of the plurality of positions for recording the precision information, the first position becoming more accurate than a reference accuracy first among the plurality of positions; determining a schedule of the scheduled path along the estimated route about whether or not to drive the hybrid vehicle using the motor and to charge the battery, the schedule of the scheduled path starting from the determined start point along the estimated route while estimating transition of a remaining quantity of the battery along the estimated route based on the schedule; and starting, when the hybrid vehicle runs on the estimated route and enters the scheduled path starting from the start point, a control over whether or not to drive the hybrid vehicle using the motor and to control charging of the battery in accordance with the determined schedule and continuing the control on the scheduled path.
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Specification