JP6601386B2 - 駆動装置および自動車 - Google Patents
駆動装置および自動車 Download PDFInfo
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- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
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- H—ELECTRICITY
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- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
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- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
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- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/007—Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles
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- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0007—Measures or means for preventing or attenuating collisions
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- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0061—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electrical machines
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- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0069—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to the isolation, e.g. ground fault or leak current
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- B60L3/04—Cutting off the power supply under fault conditions
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- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
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- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
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- B60—VEHICLES IN GENERAL
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- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
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- 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
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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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
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
- H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1582—Buck-boost converters
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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
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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
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
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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
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
- B60L2210/12—Buck converters
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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
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
- B60L2210/14—Boost converters
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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
- B60L2240/52—Drive Train control parameters related to converters
- B60L2240/527—Voltage
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- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/80—Time limits
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- B60W2510/00—Input parameters relating to a particular sub-units
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- H—ELECTRICITY
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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
- H02M1/32—Means for protecting converters other than automatic disconnection
- H02M1/322—Means for rapidly discharging a capacitor of the converter for protecting electrical components or for preventing electrical shock
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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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- Engineering & Computer Science (AREA)
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- Transportation (AREA)
- Mechanical Engineering (AREA)
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- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Dc-Dc Converters (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Inverter Devices (AREA)
- Power Steering Mechanism (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Description
モータと、
前記モータを駆動するインバータと、
第1蓄電装置と、
スイッチング素子およびリアクトルを有し、前記インバータが接続された第1電力ラインと前記第1蓄電装置が接続された第2電力ラインとに接続され、前記第2電力ラインと前記第1電力ラインとの間で電圧の変換を伴って電力をやりとりする昇降圧コンバータと、
前記第1電力ラインに取り付けられた第1コンデンサと、
前記第2電力ラインに取り付けられた第2コンデンサと、
前記第1電力ラインに接続されたDC/DCコンバータと、
前記第2電力ラインにおける前記第2コンデンサよりも前記第1蓄電装置側に設けられたリレーと、
前記昇降圧コンバータおよび前記DC/DCコンバータを制御する制御装置と、
を備える駆動装置であって、
前記制御装置は、前記リレーをオフにして前記第1,第2コンデンサの電荷を放電させるときには、前記DC/DCコンバータを駆動すると共に前記昇降圧コンバータおよび前記DC/DCコンバータの合計損失が前記昇降圧コンバータの損失の最大値よりも大きくなるように前記昇降圧コンバータの目標デューティを設定して前記昇降圧コンバータを制御する、第1放電制御を実行する、
ことを要旨とする。
Claims (8)
- モータと、
前記モータを駆動するインバータと、
第1蓄電装置と、
スイッチング素子およびリアクトルを有し、前記インバータが接続された第1電力ラインと前記第1蓄電装置が接続された第2電力ラインとに接続され、前記第2電力ラインと前記第1電力ラインとの間で電圧の変換を伴って電力をやりとりする昇降圧コンバータと、
前記第1電力ラインに取り付けられた第1コンデンサと、
前記第2電力ラインに取り付けられた第2コンデンサと、
前記第1電力ラインに接続されたDC/DCコンバータと、
前記第2電力ラインにおける前記第2コンデンサよりも前記第1蓄電装置側に設けられたリレーと、
前記昇降圧コンバータおよび前記DC/DCコンバータを制御する制御装置と、
を備える駆動装置であって、
前記第1蓄電装置よりも定格電圧が低く且つ前記制御装置に作動用の電力を供給可能である第2蓄電装置を備え、
前記DC/DCコンバータは、前記第2電力ラインの電力を降圧して前記第2蓄電装置,前記制御装置,複数の補機が接続された第3電力ラインに供給する第1給電と、前記第1電力ラインの電力を降圧して前記制御装置に作動用の電力として供給する第2給電と、を切替可能に構成されており、
前記制御装置は、前記リレーをオフにして前記第1,第2コンデンサの電荷を放電させるときにおいて、
前記第2蓄電装置から前記制御装置に作動用の電力を供給できないときには、前記DC/DCコンバータを駆動すると共に前記昇降圧コンバータおよび前記DC/DCコンバータの合計損失が前記昇降圧コンバータの損失の最大値よりも大きくなるように前記昇降圧コンバータの目標デューティを設定して前記昇降圧コンバータを制御する、第1放電制御を実行し、
前記第2蓄電装置から前記制御装置に作動用の電力を供給できるときには、前記昇降圧コンバータの損失に基づいて前記目標デューティを設定して前記昇降圧コンバータを制御する第2放電制御を実行し、
前記制御装置は、前記第1放電制御を実行する際には、前記DC/DCコンバータにより前記第2給電を行ない、前記第2放電制御を実行する際には、前記DC/DCコンバータにより前記第1給電を行ない、
前記制御装置は、前記リレーをオフにして前記第1,第2コンデンサの電荷を放電させるときで前記第2蓄電装置から前記制御装置に電力を供給できるときにおいて、前記複数の補機の総消費電力が閾値以下のときには、前記第1放電制御を実行し、前記複数の補機の総消費電力が前記閾値よりも大きいときには、前記第2放電制御を実行する、
駆動装置。 - モータと、
前記モータを駆動するインバータと、
第1蓄電装置と、
スイッチング素子およびリアクトルを有し、前記インバータが接続された第1電力ラインと前記第1蓄電装置が接続された第2電力ラインとに接続され、前記第2電力ラインと前記第1電力ラインとの間で電圧の変換を伴って電力をやりとりする昇降圧コンバータと、
前記第1電力ラインに取り付けられた第1コンデンサと、
前記第2電力ラインに取り付けられた第2コンデンサと、
前記第1電力ラインに接続されたDC/DCコンバータと、
前記第2電力ラインにおける前記第2コンデンサよりも前記第1蓄電装置側に設けられたリレーと、
前記昇降圧コンバータおよび前記DC/DCコンバータを制御する制御装置と、
を備える駆動装置であって、
前記制御装置は、前記リレーをオフにして前記第1,第2コンデンサの電荷を放電させるときには、前記DC/DCコンバータを駆動すると共に前記昇降圧コンバータおよび前記DC/DCコンバータの合計損失が前記昇降圧コンバータの損失の最大値よりも大きくなるように前記昇降圧コンバータの目標デューティを設定して前記昇降圧コンバータを制御する、第1放電制御を実行し、
前記制御装置は、前記第2電力ラインの電圧と前記合計損失が最大になる前記目標デューティとの予め定められた関係を記憶する記憶部を有し、前記第1放電制御を実行する際には、前記関係に前記第2電力ラインの電圧を適用して前記目標デューティを設定する、
駆動装置。 - モータと、
前記モータを駆動するインバータと、
第1蓄電装置と、
スイッチング素子およびリアクトルを有し、前記インバータが接続された第1電力ラインと前記第1蓄電装置が接続された第2電力ラインとに接続され、前記第2電力ラインと前記第1電力ラインとの間で電圧の変換を伴って電力をやりとりする昇降圧コンバータと、
前記第1電力ラインに取り付けられた第1コンデンサと、
前記第2電力ラインに取り付けられた第2コンデンサと、
前記第1電力ラインに接続されたDC/DCコンバータと、
前記第2電力ラインにおける前記第2コンデンサよりも前記第1蓄電装置側に設けられたリレーと、
前記昇降圧コンバータおよび前記DC/DCコンバータを制御する制御装置と、
を備える駆動装置であって、
前記制御装置は、前記リレーをオフにして前記第1,第2コンデンサの電荷を放電させるときには、前記DC/DCコンバータを駆動すると共に前記昇降圧コンバータおよび前記DC/DCコンバータの合計損失が前記昇降圧コンバータの損失の最大値よりも大きくなるように前記昇降圧コンバータの目標デューティを設定して前記昇降圧コンバータを制御する、第1放電制御を実行し、前記第1放電制御を実行する際には、前記昇降圧コンバータの電流リプルと前記DC/DCコンバータの電流リプルとの合計リプルを前記合計損失とし、前記合計損失が最大に近づくように前記目標デューティを設定する、
駆動装置。 - 請求項1ないし3のいずれか1つの請求項に記載の駆動装置であって、
前記制御装置は、前記第1放電制御を実行する際には、前記合計損失が最大になるように前記目標デューティを設定する、
駆動装置。 - 請求項2または3記載の駆動装置であって、
前記第1蓄電装置よりも定格電圧が低く且つ前記制御装置に作動用の電力を供給可能である第2蓄電装置を備え、
前記DC/DCコンバータは、前記第1電力ラインの電力を降圧して前記制御装置に作動用の電力として供給可能であり、
前記制御装置は、前記リレーをオフにして前記第1,第2コンデンサの電荷を放電させるときにおいて、前記第2蓄電装置から前記制御装置に作動用の電力を供給できるか否かに拘わらずに、前記第1放電制御を実行する、
駆動装置。 - 請求項1記載の駆動装置であって、
前記制御装置は、前記リレーをオフにして前記第1,第2コンデンサの電荷を放電させるときにおいて、前記第2蓄電装置に異常が生じているときには、前記第2蓄電装置から前記制御装置に作動用の電力を供給できないと判定する、
駆動装置。 - 請求項1または6記載の駆動装置であって、
前記制御装置は、前記第2放電制御を実行する際には、前記昇降圧コンバータの損失が最大になるように前記目標デューティを設定する、
駆動装置。 - 請求項1ないし7のいずれか1つの請求項に記載の駆動装置を搭載し、前記モータからの動力を用いて走行する自動車であって、
前記制御装置は、車両の衝突を検知したときに、前記第1放電制御を実行する、
自動車。
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