JP2010041751A - 回転電機制御システム及び車両駆動システム - Google Patents
回転電機制御システム及び車両駆動システム 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
- B60K6/20—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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
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- B60K6/42—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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/44—Series-parallel type
- B60K6/445—Differential gearing distribution type
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- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
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- B60L15/2045—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed for optimising the use of energy
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
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- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
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- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/421—Speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
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- B60W20/00—Control systems specially adapted for hybrid vehicles
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- B60—VEHICLES IN GENERAL
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- B60W2510/00—Input parameters relating to a particular sub-units
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- B60W2710/08—Electric propulsion units
- B60W2710/083—Torque
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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
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
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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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/493—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode the static converters being arranged for operation in parallel
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P2201/00—Indexing scheme relating to controlling arrangements characterised by the converter used
- H02P2201/09—Boost converter, i.e. DC-DC step up converter increasing the voltage between the supply and the inverter driving the motor
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Abstract
【解決手段】直流電源と回転電機との間に介在されて直流電源の出力を交流に変換する周波数変換部と、直流電源と周波数変換部との間に介在されて昇圧指令値に基づいて直流電源の出力を昇圧する電圧変換部と、周波数変換部及び電圧変換部を制御する制御部とを備え、前記回転電機の前記目標トルク及び前記回転速度がそれらの相関関係に基づいて設定された所定の移行境界を越えたことを条件として、制御部が非昇圧制御から昇圧制御へ移行させる制御を行うに際して、移行の際に過渡的に生じる上昇電力を直流電源が出力可能な許容電力から差し引いた電力である昇圧可能電力KSを基準とし、回転電機の消費電力が昇圧可能電力KS以下となる領域に移行境界K3が設定される。
【選択図】図8
Description
車両を駆動するための回転電機に電力を供給する直流電源と前記回転電機との間に介在され、少なくとも前記回転電機が力行する際に前記直流電源の出力を交流に変換する周波数変換部と、
前記直流電源と前記周波数変換部との間に介在され、前記回転電機の目標トルク及び回転速度に応じて設定される昇圧指令値に基づいて前記直流電源の出力を昇圧する電圧変換部と、
前記周波数変換部及び前記電圧変換部を制御する制御部と、を備えた回転電機制御システムであって、
前記制御部が、前記回転電機の前記目標トルク及び前記回転速度がそれらの相関関係に基づいて設定された所定の移行境界を越えたことを条件として、前記直流電源の出力が昇圧されることなく前記電圧変換部を介して前記周波数変換部に供給される非昇圧制御から、前記電圧変換部により昇圧されて前記周波数変換部に供給される昇圧制御へ移行させる制御を行うに際して、
当該移行の際に過渡的に生じる上昇電力を前記直流電源が出力可能な許容電力から差し引いた電力である昇圧可能電力を基準とし、前記回転電機の消費電力が前記昇圧可能電力以下となる領域に前記移行境界が設定された点にある。
前記電圧変換部が、一端が前記直流電源に接続されるリアクトルと、当該リアクトルの他端と前記周波数変換部のプラス側とを接続する上段のスイッチング素子と、当該リアクトルの他端と前記周波数変換部のマイナス側とを接続する下段のスイッチング素子とを有して構成され、
前記上昇電力が、前記非昇圧制御から前記昇圧制御への移行に際して、前記上段のスイッチング素子と前記下段のスイッチング素子とが共にオフ状態に制御されるデッドタイムに起因して過渡的に生じるものである場合に好適に適用できる。
前記回転電機として、第1回転電機と第2回転電機とを備え、
前記第1回転電機および前記第2回転電機以外の駆動源から発生される駆動力を分配する動力分配機構を備え、前記動力分配機構により分配された一方の駆動力が車輪に、他方の駆動力が前記第1回転電機に伝達されるとともに、前記第2回転電機により発生される駆動力が前記車輪に伝達される構成を採ることができる。
前記動力分配機構が、回転速度の順に、第1回転要素、第2回転要素および第3回転要素を有する遊星歯車機構を含んで構成され、
前記第1回転電機が前記第1回転要素に接続され、前記回転電機以外の駆動源が前記第2回転要素に接続され、前記第2回転電機及び前記第3回転要素が車輪に接続されている構成であると好適である。
符号8aは、U相の上段側スイッチング素子であり、
符号8bは、V相の上段側スイッチング素子であり、
符号8cは、W相の上段側スイッチング素子であり、
符号8dは、U相の下段側スイッチング素子であり、
符号8eは、V相の下段側スイッチング素子であり、
符号8fは、W相の下段側スイッチング素子である。尚、周波数変換部5のスイッチング素子8a〜8fについても、IGBTやMOSFETを適用すると好適である。本実施形態では、IGBTを用いる場合を例示している。
電圧変換部4の出力の電圧VCを上回り、電圧変換部4は昇圧動作を開始する。
(1) 上記実施形態では、移行境界K3が、目標トルクの最大値TMAXに応じて設定される場合を例として説明した。つまり、昇圧可能電力WSが、目標トルクが最大(TMAX)の時に生じる上昇電力(最大値のΔMAX)を許容電力WBMAXから差し引いた電力として設定され、回転電機の消費電力が昇圧可能電力WS以下となる領域に移行境界K3が設定される場合を例として説明した。しかし、目標トルクに応じてそれぞれ異なる移行境界Kが設定されるようにしてもよい。
4a:リアクトル
4c:上段のスイッチング素子
4d:下段のスイッチング素子
5:周波数変換部
10:TCU(制御部)
B:バッテリ(直流電源)
E:エンジン
DT:デッドタイム
In:回転電機制御装置(回転電機制御システム)
K、K2、K3:移行境界
MG1:第1回転電機(回転電機)
MG2:第2回転電機(回転電機)
P1:動力分配機構
WBMAX:許容電力
WS:昇圧可能電力
ΔMAX:目標トルクが最大の時の上昇電力
s:サンギヤ(第1回転要素)
ca:キャリア(第2回転要素)
r:リングギヤ(第3回転要素)
Claims (8)
- 車両を駆動するための回転電機に電力を供給する直流電源と前記回転電機との間に介在され、少なくとも前記回転電機が力行する際に前記直流電源の出力を交流に変換する周波数変換部と、
前記直流電源と前記周波数変換部との間に介在され、前記回転電機の目標トルク及び回転速度に応じて設定される昇圧指令値に基づいて前記直流電源の出力を昇圧する電圧変換部と、
前記周波数変換部及び前記電圧変換部を制御する制御部と、を備えた回転電機制御システムであって、
前記制御部が、前記回転電機の前記目標トルク及び前記回転速度がそれらの相関関係に基づいて設定された所定の移行境界を越えたことを条件として、前記直流電源の出力が昇圧されることなく前記電圧変換部を介して前記周波数変換部に供給される非昇圧制御から、前記電圧変換部により昇圧されて前記周波数変換部に供給される昇圧制御へ移行させる制御を行うに際して、
当該移行の際に過渡的に生じる上昇電力を前記直流電源が出力可能な許容電力から差し引いた電力である昇圧可能電力を基準とし、前記回転電機の消費電力が前記昇圧可能電力以下となる領域に前記移行境界が設定された回転電機制御システム。 - 前記移行境界は、前記目標トルクの最大値に応じて設定される請求項1に記載の回転電機制御システム。
- 前記昇圧可能電力は、前記目標トルクが最大の時に生じる前記上昇電力を前記許容電力から差し引いた電力として設定される請求項1又は2に記載の回転電機制御システム。
- 前記移行境界は、前記目標トルクが高くなるに従って低電力側に設定される請求項1に記載の回転電機制御システム。
- 前記昇圧可能電力は、前記目標トルクが最大の時に生じる前記上昇電力を前記許容電力から差し引いた電力を最低値として、前記目標トルクが低くなるに従って高い値に設定される請求項1又は4に記載の回転電機制御システム。
- 前記電圧変換部は、一端が前記直流電源に接続されるリアクトルと、当該リアクトルの他端と前記周波数変換部のプラス側とを接続する上段のスイッチング素子と、当該リアクトルの他端と前記周波数変換部のマイナス側とを接続する下段のスイッチング素子とを有して構成され、
前記上昇電力は、前記非昇圧制御から前記昇圧制御への移行に際して、前記上段のスイッチング素子と前記下段のスイッチング素子とが共にオフ状態に制御されるデッドタイムに起因して過渡的に生じる請求項1〜5の何れか一項に記載の回転電機制御システム。 - 請求項1〜6の何れか一項に記載の回転電機制御システムを備えるとともに、
前記回転電機として、第1回転電機と第2回転電機とを備え、
前記第1回転電機および前記第2回転電機以外の駆動源から発生される駆動力を分配する動力分配機構を備え、前記動力分配機構により分配された一方の駆動力が車輪に、他方の駆動力が前記第1回転電機に伝達されるとともに、前記第2回転電機により発生される駆動力が前記車輪に伝達される車両駆動システム。 - 前記動力分配機構が、回転速度の順に、第1回転要素、第2回転要素および第3回転要素を有する遊星歯車機構を含んで構成され、
前記第1回転電機が前記第1回転要素に接続され、前記回転電機以外の駆動源が前記第2回転要素に接続され、前記第2回転電機及び前記第3回転要素が車輪に接続されている請求項7に記載の車両駆動システム。
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DE112009000190.4T DE112009000190B4 (de) | 2008-07-31 | 2009-05-27 | Steuersystem für eine drehende elektrische Maschine und Fahrzeugantriebssystem |
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JP6342747B2 (ja) * | 2014-08-22 | 2018-06-13 | 株式会社デンソー | 回転電機の制御装置 |
CN107521354B (zh) * | 2016-06-22 | 2020-06-16 | 华为技术有限公司 | 电动汽车的驱动系统及驱动方法 |
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