Patent EP0830969A2 successfully refreshed from Google Patents.
EP0830969A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Power output apparatus and method of controlling the same
Assignee: Toyota Motor Corp
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Filing: 1997-06-20
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Granted: —
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Expires: 2017-06-20
Abstract
Abstract A power output apparatus 110 includes a planetary gear 120 having a planetary carrier, a sun gear, and a ring gear, an engine 150 having a crankshaft 156 linked with the planetary carrier, a first motor MG1 attached to the sun gear, and a second motor MG2 attached to the ring gear. When the driver steps on an accelerator pedal 164 to change the driving point of the engine 150, the power output apparatus 110 calculates an angular acceleration of the sun gear, calculates a torque used for changing the driving point of the engine 150 by multiplying the angular acceleration by a moment of inertia seen from the first motor MG1 of an inertial system consisting of the first motor MG1 and the engine 150, and drives the second motor MG2 by taking into account the torque. This structure enables a desired torque to be output even in a transient time.
Inventors
- 👤 Shoichi Sasaki
- 👤 Tetsuya Abe
- 👤 Masaaki Yamaoka
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-28 10:41
CPC Classifications
B; B60; B60K; B60K1/00; B60K1/02; B60W; B60W20/00; B60W20/10; B60K6/00; B60K6/20; B60K6/42; B60K6/44; B60K6/445; B60K6/50; B60K6/52; B60L; B60L50/00; B60L50/10; B60L50/15; B60L7/00; B60L7/003; B60W10/00; B60W10/04; B60W10/06; B60W10/08; B60W10/24; B60W10/26; B60K17/00; B60K17/34; B60K17/356; B60L2200/00; B60L2200/26; B60L2240/00; B60L2240/40; B60L2240/42; B60L2240/421; B60L2240/44; B60L2240/441; B60L2240/48; B60L2240/486; B60L2260/00; B60L2260/20; B60L2260/26; B60W2510/00; B60W2510/06; B60W2510/0638; B60W2510/0652; B60W2510/08; B60W2510/081; B60W2510/082; B60W2510/24; B60W2510/242; B60W2510/244; B60W2710/00; B60W2710/06; B60W2710/0644; B60W2710/0666; B60W2710/0677; B60W2710/10; B60W2710/105; B60W2710/1061; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/40; Y02T10/60; Y02T10/62; Y02T10/64; Y02T10/70; Y02T10/7072; Y10; Y10S; Y10S903/00; Y10S903/902; Y10S903/903; Y10S903/904; Y10S903/915; Y10S903/916
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
310 words
A power output apparatus for outputting power to a drive shaft,
said power output apparatus comprising: an engine having an output shaft; a first motor having a rotating shaft and inputting and
outputting power to and from said rotating shaft; a second motor inputting and outputting power to and from said
drive shaft; three shaft-type power input/output means having three shafts
respectively linked with said drive shaft, said output shaft, and
said rotating shaft, said three shaft-type power input/output means
inputting and outputting power to and from a residual one shaft, based
on predetermined powers input to and output from any two shafts among
said three shafts; storage battery means being charged with an electric power output
from said first motor, being discharged to supply an electric power
input to said first motor, being charged with an electric power output
from said second motor, and being discharged to supply an electric
power input to said second motor; target power setting means for setting a target power to be output
to said drive shaft; driving state setting means for setting a driving state of said
engine based on the target power set by said target power setting
means; operation control means for controlling said engine and said
first motor, in order to enable said engine to be driven in the driving
state set by said driving state setting means; power calculation means for calculating a power input to and
output from said drive shaft via said three shaft-type power
input/output means, accompanied by the control of said engine and
said first motor by said operation control means; and motor control means for controlling said second motor, in order
to enable the target power to be output to said drive shaft based
on the power calculated by said power calculation means and the target
power set by said target power setting means.
Claim 2
Dependent Claim
42 words
A power output apparatus in accordance with claim 1, wherein
said driving state setting means comprises means for setting the
driving state of said engine, in order to enable a power corresponding
to the target power to be output from said engine.
Claim 3
Dependent Claim
35 words
A power output apparatus in accordance with claim 2, wherein
said driving state setting means further comprises means for setting
the driving state of said engine, in order to enhance an efficiency
of said engine.
Claim 4
Dependent Claim
45 words
A power output apparatus in accordance with claim 1, wherein
said power calculation means comprises means for calculating the
power input to and output from said drive shaft, based on a rate of
change of a revolving speed of said output shaft of said engine.
Claim 5
Dependent Claim
42 words
A power output apparatus in accordance with claim 4, wherein
said driving state setting means comprises means for setting the
driving state of said engine, in order to enable a power corresponding
to the target power to be output from said engine.
Claim 6
Dependent Claim
35 words
A power output apparatus in accordance with claim 5, wherein
said driving state setting means further comprises means for setting
the driving state of said engine, in order to enhance an efficiency
of said engine.
Claim 7
Dependent Claim
46 words
A power output apparatus in accordance with claim 1, wherein
said power calculation means comprises means for calculating the
power input to and output from said drive shaft, based on a rate of
change of a revolving speed of said rotating shaft of said first motor.
Claim 8
Dependent Claim
42 words
A power output apparatus in accordance with claim 7, wherein
said driving state setting means comprises means for setting the
driving state of said engine, in order to enable a power corresponding
to the target power to be output from said engine.
Claim 9
Dependent Claim
35 words
A power output apparatus in accordance with claim 8, wherein
said driving state setting means further comprises means for setting
the driving state of said engine, in order to enhance an efficiency
of said engine.
Claim 10
Dependent Claim
40 words
A power output apparatus in accordance with claim 1, wherein
said driving state setting means comprises means for setting an
operation stop condition as the driving state of said engine when
the target power is less than a predetermined value.
Claim 11
Dependent Claim
37 words
A power output apparatus in accordance with claim 1, wherein
said driving state setting means comprises means for setting an
operation stop condition as the driving state of said engine when
a driver gives a predetermined instruction.
Claim 12
Independent Claim
283 words
A method of controlling a power output apparatus for
outputting power to a drive shaft, said method comprising the steps
of: (a) providing (1) an engine having an output shaft; (2) a first
motor having a rotating shaft and inputting and outputting power to
and from said rotating shaft; (3) a second motor inputting and
outputting power to and from said drive shaft; (4) three shaft-type
power input/output means having three shafts respectively linked
with said drive shaft, said output shaft, and said rotating shaft,
said three shaft-type power input/output means inputting and
outputting power to and from a residual one shaft, based on
predetermined powers input to and output from any two shafts among
said three shafts; and (5) storage battery means being charged with
an electric power output from said first motor, being discharged to
supply an electric power input to said first motor, being charged
with an electric power output from said second motor, and being
discharged to supply an electric power input to said second motor; (b) setting a driving state of said engine based on a target power
to be output to said drive shaft; (c) controlling said engine and said first motor, in order to
enable said engine to be driven in the driving state set in said step
(b); (d) calculating a power input to and output from said drive shaft
via said three shaft-type power input/output means, accompanied by
the control of said engine and said first motor in said step (c);
and (e) controlling said second motor, in order to enable the target
power to be output to said drive shaft based on the power calculated
in said step (d) and the target power.
References Cited (Backward Citations)
No citation records indexed.
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