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EP0543390B1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Drive control apparatus of series hybrid vehicle

Assignee: Toyota Motor Corp
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Filing: 1992-11-20
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Granted: 1996-10-16
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Expires: 2012-11-20
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Abstract

No abstract record available.

Inventors

  • 👤 Masayuki Furutani
  • 👤 Yoshihide Nii
  • 👤 Kohsuke Suzui
  • 👤 Yoshiyuki Nakamura

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-26 06:03
CPC Classifications
B; B60; B60K; B60K6/00; B60K6/20; B60K6/42; B60K6/46; B60L; B60L50/00; B60L50/50; B60L50/60; B60L50/61; H; H02; H02J; H02J7/00; H02J7/14; H02J7/1415; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/62; Y02T10/70; Y02T10/7072; Y10; Y10S; Y10S903/00; Y10S903/902; Y10S903/903; Y10S903/904; Y10S903/915; Y10S903/917

Claims Analysis

Total Claims: 16
Claim 1
Independent Claim 191 words
A drive control apparatus for a series hybrid vehicle having an engine (10) , a generator (12) to be activated by an output of said engine (10) so as to generate a voltage according to a field current, a battery (26) to be charged by an output voltage of said generator (12) and to be discharged so as to supply a voltage to a motor (14) , said motor (14) being activated by said output voltage from said generator (12) and/or said voltage supplied from said battery (26) , wherein said drive control apparatus (29) is adapted: a) to select a mode for activating said motor (14) solely by said battery (26) , a mode for activating said motor (14) solely by said generator (12) , or a mode for activating said motor (14) by said generator (12) and said battery (26) in accordance with a required motor output; b) to determine an output voltage of said generator (12) required for establishing said selected motor activation mode and said required motor output; and c) to control a field current of said generator (12) so as to obtain said determined output voltage.
Claim 2
Dependent Claim 103 words
A drive control apparatus according to claim 1, wherein said drive control apparatus (29) is adapted to control the field current of said generator (12) based on detected values of the output voltage of said generator (12) , an output current of said battery (26) , and an engine speed of said engine (10) so as to obtain the determined output voltage by using means (32) for detecting the output voltage of said generator (12) , a means (30) for detecting the output current of said battery (26) , and a means (36) for detecting the engine speed of said engine (10) .
Claim 3
Dependent Claim 100 words
A drive control apparatus according to claim 1, wherein said drive control apparatus (29) is adapted to control the field current of said generator (12) based on the detected values of the output voltage and an output current of said generator (12) and an output current of said battery (26) so as to obtain the determined output voltage by using a means (32) for detecting the output voltage of said generator (12) , a means (30) for detecting the output current of said batterie (26) , and a means (34) for detecting the output current of said generator (12) .
Claim 4
Dependent Claim 63 words
A drive control apparatus according to claim 1, wherein said drive control apparatus (29) is adapted to control the amount of fuel to be injected into said engine (10) , said engine (10) having its speed and output corrsponding to each other on a one-to-one basis within a preset engine speed range, and having its speed controlled by the amount of fuel injection.
Claim 5
Dependent Claim 45 words
A drive control apparatus according to claim 1, wherein said drive control apparatus (29) is adapted to determine a mode for activating said motor (14) with reference to an output supplying map which shows a correspondence between required motor outputs and the motor activation modes.
Claim 6
Dependent Claim 174 words
A drive control apparatus according to claim 5, wherein said drive control apparatus (29) is adapted to control the amount of fuel injection into said engine (10) ; wherein said engine (10) has its speed and output corresponding to each other on a one-to-one basis within a preset engine speed range, has a high efficiency, and has its speed controlled by the amount of fuel injection; and wherein said output supplying map specifies a region which corresponds to the mode for activating said motor (14) solely by said generator (12) so as to obtain the required output within the preset engine speed range, a region which corresponds to the mode for activating said motor (14) solely by said battery (26) so as to obtain the required output in a range below the preset engine speed range, and a region which corresponds to the mode for activating said motor (14) both by said generator (14) and said battery (26) so as to obtain the required output in a range above the preset engine speed range.
Claim 7
Dependent Claim 25 words
A drive control apparatus according to claim 6, wherein said present engine speed range is plotted based on a simulated travelling condition of the vehicle.
Claim 8
Dependent Claim 53 words
A drive control apparatus according to claim 1, wherein said motor (14) is an AC motor to be activated by an AC voltage, and wherein the hybrid vehicle includes an inverter (18) for converting the output voltage of said generator (14) and/or the voltage supplied from said battery (26) into an AC voltage.
Claim 9
Dependent Claim 59 words
A drive control apparatus according to claim 8, wherein said drive control apparatus (29) is adapted to determine a command value according to an extent of driver's request, and to control said inverter (18) according to the determined command value so as to select a motor activation mode by using the determined command value as the required motor output.
Claim 10
Dependent Claim 132 words
A drive control apparatus according to claim 1, wherein said drive control apparatus (29) is adapted to use a means (32) for detecting the ouput voltage of said battery (26) , a means for detecting charge and discharge currents of said battery (26) , and a means for controlling charging of said battery (26) by controlling the field current of said generator (12) so as to execute charge control of said battery (26) so that a product of the detected output voltage of said battery (26) and the detected charge current of said battery (26) is equal to the target charging power and that the output power of said generator (12) is equal to the sum of the target charging power and the power to be supplied to said motor (14) .
Claim 11
Dependent Claim 51 words
A drive control apparatus according to claim 10, wherein said drive control apparatus (29) is adapted to control charging and discharging of said battery (26) according to a detected output current value of said generator (12) by using a means (34) for detecting an output current of said generator (12) .
Claim 12
Dependent Claim 65 words
A drive control apparatus according to claim 1, wherein said drive control apparatus (29) is adapted to detect the output voltage of said generator (12) by using a means (32) for detecting the output voltage of said generator (12) and interrupts the field current of said generator (12) when the output voltage of said generator (12) is equal to or larger than a preset value.
Claim 13
Dependent Claim 36 words
A drive control apparatus according to claim 12, wherein said drive control apparatus (29) is adapted to consume energy remaining in said generator (12) after the interruption of said field current in said generator (12) .
Claim 14
Dependent Claim 39 words
A drive control apparatus according to claim 13, wherein said drive control apparatus (29) is adapted to consume the residual energy in said generator (12) by powering said motor (14) so that said motor (14) consumes the residual energy.
Claim 15
Dependent Claim 80 words
A drive control apparatus according to claim 14, wherein said motor (14) is activated by AC power, the series hybrid vehicle includes an inverter (18) for converting the output voltage of said generator (12) and/or the voltage supplied from said battery (26) into an AC voltage which is supplied to said motor (14) , and wherein said drive control apparatus (29) is adapted to control the conversion operation of said inverter (18) so as to power said motor (14) .
Claim 16
Dependent Claim 27 words
A drive control apparatus according to claim 1, wherein an ouput wiring of said generator (12) and a discharge wiring of said battery (26) are directly connected.

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