JP5896301B2 - 回生ブレーキ制御装置 - Google Patents
回生ブレーキ制御装置 Download PDFInfo
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- JP5896301B2 JP5896301B2 JP2012281496A JP2012281496A JP5896301B2 JP 5896301 B2 JP5896301 B2 JP 5896301B2 JP 2012281496 A JP2012281496 A JP 2012281496A JP 2012281496 A JP2012281496 A JP 2012281496A JP 5896301 B2 JP5896301 B2 JP 5896301B2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
- B60L7/18—Controlling the braking effect
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
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- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- 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
- B60K6/42—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
- B60K6/48—Parallel type
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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
- B60K6/50—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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- B60L15/20—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
- B60L15/2009—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 braking
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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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- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/10—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels by utilising wheel movement for accumulating energy, e.g. driving air compressors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/04—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting mechanically
- B60T11/08—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting mechanically providing variable leverage
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/14—Adaptive cruise control
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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
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
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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
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/18—Propelling the vehicle
- B60W30/18009—Propelling the vehicle related to particular drive situations
- B60W30/18109—Braking
- B60W30/18127—Regenerative braking
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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
- B60L2240/423—Torque
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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
- B60L2250/00—Driver interactions
- B60L2250/24—Driver interactions by lever actuation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
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- B60T2201/02—Active or adaptive cruise control system; Distance control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
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- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
- B60T7/22—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger initiated by contact of vehicle, e.g. bumper, with an external object, e.g. another vehicle, or by means of contactless obstacle detectors mounted on the vehicle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
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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
前記第2の回生ブレーキ力設定手段は、パドルスイッチである。
ここで、B2からB3への回生比率の変化量よりB3からB5への回生比率の変化量の方が大きい。このように、シフトレバー6で設定される回生レベル間における回生比率の変化量を、回生比率が高い回生レベルほど大きく設定することによって、回生量を大きく変更する場合においても、シフトレバー6の操作によって、素早く運転手が望む回生量を得ることができる。
またシフトレバー6はパドルスイッチ10に比べてシフト段数が少なくなっており、所定回生レベルを設定するための操作回数が少なくなるように設定されている。そのため、シフトレバー6ではパドルスイッチ10に比べて同じ回生量を得るためのシフト操作の回数が少なくなるため、少ない操作回数で回生ブレーキ力を容易に増減制御でき、運転手の操作負担の軽減に適している。
ここで、B0、B1、B2、B3、B4、B5の各々の回生比率の変化量は等しくしてもよい。このようにパドルスイッチ10によって設定される回生レベル間における回生比率の変化料を等しく設定することによって、段階的に回生量を増減できるので、きめ細やかな回生制御が可能となる。
またパドルスイッチ10はシフトレバー6に比べてシフト段数が多くなっており、所定回生レベルを設定するための操作回数が多くなるように設定されていることからも、きめ細やかな回生ブレーキ力の制御に適している。
また、シフト段がBにある場合にパドルプラススイッチ10aが操作されると、回生ブレーキが一段階弱いBCに移行する(破線矢印g)。一方、シフト段がBにある場合にパドルマイナススイッチ10bが操作されると、回生ブレーキが一段階強いBEに移行する(破線矢印h)。
また、シフト段がBLにある場合にパドルプラススイッチ10aが操作されると、回生ブレーキが一段階弱いBEに移行する(破線矢印i)。一方、シフト段がBLにある場合にパドルマイナススイッチ10bが操作されると、回生ブレーキが更に強いシフト段が存在しないため、現状のまま維持される。
尚、シフト段がBFにある場合にシフトレバー6がBポジションに操作しても、回生ブレーキが更に強いシフト段が存在しないため、現状のまま維持される。
図7は第1変形例の回生ブレーキ制御装置による回生ブレーキのシフト段の移行を摸式的に示す状態遷移図である。第1変形例は運転手によってクルーズコントロールスイッチがONにされることにより、クルーズコントロール制御部24において車速を所定値に維持するようにクルーズコントロール制御を行う点で上記実施例と異なっている。尚、図7では上記実施例と同様の箇所については共通の符号を使用し、重複する説明は適宜省略することとする。
図8は第2変形例の回生ブレーキ制御装置による回生ブレーキのシフト段の移行を摸式的に示す状態遷移図である。第2変形例は運転手によってクルーズコントロールスイッチがONにされることにより、クルーズコントロール制御部24においてレーダ探知した車間距離を所定値に維持するようにレーダクルーズコントロール制御を行う点で上記実施例と異なっている。尚、図8では上記実施例と同様の箇所については共通の符号を使用し、重複する説明は適宜省略することとする。
2 バッテリ
3 インバータ
4 トランスアスクル
5 駆動輪
6 シフトレバー
9 ステアリング
10 パドルスイッチ
12 シフトセンサ電圧検出部
13 セレクトセンサ電圧検出部
14 シフトレバー位置判定部
15 パドルプラススイッチ検出部
16 パドルマイナススイッチ検出部
17 シフトポジション判定部
18 シフトポジション表示部
19 コンビネーションメータ
20 回生ブレーキ制御部
21 フロントモータ制御部
22 リヤモータ制御部
23 クルーズコントロールスイッチ
24 クルーズコントロール制御部
Claims (6)
- 車輪を駆動する電動機を設定された所定回生レベルに応じた回生比率に制御して回生ブレーキ力を得る電動車両の回生ブレーキ制御装置において、
前記所定回生レベルを設定するのに所定回数操作して段階的に回生比率を変更する第1の回生ブレーキ力設定手段と、
前記所定回生レベルを設定するのに前記所定回数より多く操作して段階的に回生比率を変更する、前記第1の回生ブレーキ力設定手段と異なる第2の回生ブレーキ力設定手段と、
を備えたことを特徴とする回生ブレーキ制御装置。 - 前記第1の回生ブレーキ力設定手段で設定される第1回生レベルと第2回生レベルとの間の前記回生比率の変化量は、前記回生比率が高い回生レベルほど大きくなる
ことを特徴とする請求項1に記載の回生ブレーキ制御装置。 - 前記第2の回生ブレーキ力設定手段で設定される第1回生レベルと第2回生レベルとの間の前記回生比率の変化量は等しい
ことを特徴とする請求項1又は2に記載の回生ブレーキ制御装置。 - 前記第1の回生ブレーキ力設定手段と前記第2の回生ブレーキ力設定手段とは、前記回生比率が等しくなる回生レベルを有する
ことを特徴とする請求項1から3のいずれか1項に記載の回生ブレーキ制御装置。 - 前記第1の回生ブレーキ力設定手段は、シフトレバーであり、
前記第2の回生ブレーキ力設定手段は、パドルスイッチである
ことを特徴とする請求項1から4のいずれか1項に記載の回生ブレーキ制御装置。 - 前記電動車両は
前記第1の回生ブレーキ力設定手段、又は、前記第2の回生ブレーキ力設定手段に基づいて設定された回生比率となるように前記電動機を制御する回生ブレーキ制御手段と、
車速を自動的に制御する自動車速制御手段と、を備えており、
前記回生ブレーキ制御手段は、前記自動車速制御手段が作動している場合には、前記第1の回生ブレーキ力設定手段及び前記第2の回生ブレーキ力設定手段による設定値に関わらず、前記回生ブレーキ力を予め設定された初期値に戻すことを特徴とする請求項1から5のいずれか1項に記載の回生ブレーキ制御装置。
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