JP4784478B2 - 多相回転電機の制御装置 - Google Patents
多相回転電機の制御装置 Download PDFInfo
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- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
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- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
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- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/52—Driving a plurality of drive axles, e.g. four-wheel drive
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- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
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- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/38—Means for preventing simultaneous conduction of switches
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/032—Preventing damage to the motor, e.g. setting individual current limits for different drive conditions
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
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- H—ELECTRICITY
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- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Description
以下、本発明にかかる多相回転電機の制御装置をハイブリッド車に搭載される多相回転電機の制御装置に適用した第1の実施形態について、図面を参照しつつ説明する。
vu=(R+PL´)×iu −1/2×PM×iv −1/2×PM×iw+eu
vv=−1/2×PM×iu+(R+PL´)×iv −1/2×PM×iw+ev
vw=−1/2×PM×iu −1/2×PM×iv+(R+PL´)×iw+ew
ここで、dq軸変換を行なうと、d軸及びq軸の電圧vd,vqは、回転速度ωと、インダクタンスL(=L´+3/2×M)と、逆起電力ωφとを用いて下式(cd)及び(cq)となる。
vd=(R+PL)×id −ωL×iq …(cd)
vq= ωL×id+(R+PL)×iq +ωφ …(cq)
上式(cd)、(cq)に示されるように、発電機4に印加される電圧の各軸成分は、発電機4を流れる電流のうち同一の軸成分に比例する項のみならず、異なる軸成分に比例する項や逆起電力ωφ(以下、これらを干渉項という)を含む。
vvm=vp−vwc+vvc
なお、上記ステップS24aにおいて否定判断されるときには、U相及びV相について同様の処理を行う。また、ステップS24c、S24dの処理が完了すると、先の図12のステップS24に戻る。
以下、第2の実施形態について、先の第1の実施形態との相違点を中心に図面を参照しつつ説明する。
以下、第3の実施形態について、先の第2の実施形態との相違点を中心に図面を参照しつつ説明する。
以下、第4の実施形態について、先の第1の実施形態との相違点を中心に図面を参照しつつ説明する。
以下、第5の実施形態について、先の第1の実施形態との相違点を中心に図面を参照しつつ説明する。
以下、第6の実施形態について、先の第2の実施形態との相違点を中心に図面を参照しつつ説明する。
以下、第7の実施形態について、先の第5の実施形態との相違点を中心に図面を参照しつつ説明する。
以下、第8の実施形態について、先の第7の実施形態との相違点を中心に図面を参照しつつ説明する。
以下、第9の実施形態について、先の第2の実施形態との相違点を中心に図面を参照しつつ説明する。
なお、上記各実施形態は、以下のように変更して実施してもよい。
Claims (16)
- 多相回転電機の回転軸と回転機の回転軸と内燃機関の出力軸とが動力分割機構を介して連結されたシステムに適用され、前記多相回転電機の前記回転軸のトルクをインバータを介して制御する多相回転電機の制御装置において、
前記インバータに異常があると判断されて且つ前記内燃機関が非稼動状態であるとき、前記動力分割機構を介して伝達される前記回転機の動力による前記内燃機関の出力軸の回転を前記多相回転電機の電気的な状態の操作によって制限する制限手段を備えることを特徴とする多相回転電機の制御装置。 - 前記制限手段は、前記異常があると判断されるとき、前記内燃機関の出力軸の回転速度がゼロより大きく前記内燃機関のアイドル回転速度未満の回転速度領域に入ることを制限することを特徴とする請求項1記載の多相回転電機の制御装置。
- 前記内燃機関はフライホイールダンパを備え、
前記制限手段は、前記内燃機関の出力軸の回転速度が前記フライホイールダンパの共振周波数に相当する回転速度領域に入ることを制限することを特徴とする請求項2記載の多相回転電機の制御装置。 - 前記制限手段は、前記多相回転電機の前記回転軸のトルクを、前記内燃機関の出力軸を停止させるトルクとするものであることを特徴とする請求項1〜3のいずれかに記載の多相回転電機の制御装置。
- 前記制限手段は、前記インバータのスイッチング操作により前記制限を行うことを特徴とする請求項1〜4のいずれかに記載の多相回転電機の制御装置。
- 前記インバータの異常が1相のアームのいずれか一方のスイッチング素子の短絡であり、
前記制限手段は、前記多相回転電機の前記回転軸の回転速度が所定速度以上であるとき、異常のない相のスイッチング素子のうち、前記一方のスイッチング素子と接続される側の前記インバータの入力端と接続される全てのスイッチング素子を導通状態とすることを特徴とする請求項5記載の多相回転電機の制御装置。 - 前記制限手段は、前記多相回転電機の前記回転軸の回転速度が前記所定速度よりも遅い規定速度以下であるとき、前記インバータのスイッチング素子のうち異常の無いものを全て非導通状態とすることを特徴とする請求項6記載の多相回転電機の制御装置。
- 前記制限手段は、前記多相回転電機の前記回転軸の回転速度が前記所定速度及び前記規定速度間にあるとき、前記所定速度以上及び前記規定速度以下のいずれかに移行させる制御を行うことを特徴とする請求項7記載の多相回転電機の制御装置。
- 前記多相回転電機が3相回転電機であり、
前記多相回転電機の前記回転軸のトルクを所望のトルクに制御するための3相の指令電圧を算出する算出手段を更に備え、
前記制限手段は、前記多相回転電機の前記回転軸の回転速度が前記所定速度及び前記規定速度間にあるとき、前記3相の相間電圧が前記算出手段によって算出される前記3相の指令電圧によって定まる相間電圧となるように前記異常のある相以外の2相の指令電圧を変調する2相変調手段を備えることを特徴とする請求項8記載の多相回転電機の制御装置。 - 前記制限手段は、前記3相の指令電圧の周期の「1/3」の期間、前記2相変調手段による制御を行うことを特徴とする請求項9記載の多相回転電機の制御装置。
- 前記制限手段は、前記多相回転電機の前記回転軸の回転速度が前記所定速度及び前記規定速度間にあるときであって且つ前記2相変調手段による制御を行う期間以外は、前記インバータのスイッチング素子のうち異常の無いものを全て非導通状態とすることを特徴とする請求項10記載の多相回転電機の制御装置。
- 前記多相回転電機が3相回転電機であり、
前記インバータの異常が1相のアームのいずれか一方のスイッチング素子の短絡であり、
前記多相回転電機の前記回転軸のトルクを所望のトルクに制御するための3相の指令電圧を算出する算出手段を更に備え、
前記制限手段は、前記多相回転電機の回転軸の回転速度が所定速度未満であるとき、前記3相の相間電圧が前記算出手段によって算出される前記3相の指令電圧によって定まる相間電圧となるように前記異常のある相以外の2相の指令電圧を変調する2相変調手段を備えることを特徴とする請求項5又は6記載の多相回転電機の制御装置。 - 前記制限手段は、前記3相の指令電圧の周期の「1/3」の期間、前記2相変調手段による制御を行うことを特徴とする請求項12記載の多相回転電機の制御装置。
- 前記多相回転電機と前記インバータとの間には、導通状態を制御する導通制御手段が設けられ、
前記制限手段は、前記異常があると判断されるとき、前記導通制御手段を非導通状態に操作することを特徴とする請求項1〜4のいずれかに記載の多相回転電機の制御装置。 - 前記動力分割機構が遊星歯車機構を備えて構成され、
前記多相回転電機の回転軸がサンギアと、前記回転機の回転軸がリングギアと、前記内燃機関の出力軸がプラネタリギアとそれぞれ接続されてなることを特徴とする請求項1〜14のいずれかに記載の多相回転電機の制御装置。 - 前記多相回転電機が、磁石磁界回転電機であることを特徴とする請求項1〜15のいずれかに記載の多相回転電機の制御装置。
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