JP5563062B2 - アクセルペダル装置 - Google Patents
アクセルペダル装置 Download PDFInfo
- Publication number
- JP5563062B2 JP5563062B2 JP2012504383A JP2012504383A JP5563062B2 JP 5563062 B2 JP5563062 B2 JP 5563062B2 JP 2012504383 A JP2012504383 A JP 2012504383A JP 2012504383 A JP2012504383 A JP 2012504383A JP 5563062 B2 JP5563062 B2 JP 5563062B2
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- JP
- Japan
- Prior art keywords
- operation amount
- threshold value
- accelerator pedal
- reaction force
- vehicle
- Prior art date
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- Expired - Fee Related
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Images
Classifications
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- 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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- F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
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- Y10T74/20534—Accelerator
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Description
以下、この発明の一実施形態に係るアクセルペダル装置を搭載した車両について図面を参照して説明する。
図1は、この実施形態に係るアクセルペダル装置100を搭載した車両10のブロック図である。車両10は、例えば、ハイブリッド車両である。或いは、燃料電池車を含む電気自動車であってもよい。車両10は、アクセルペダル12と、アクセルペダル12に反力Fr_sp[N]を付与するリターンスプリング14と、操作量センサ16(操作量検出装置)と、駆動系18と、反力系20と、統合電子制御装置(以下「統合ECU22」という。)とを備える。
図2には、アクセルペダル12の操作量θpと、車両10の走行状態(力行領域、回生領域及びニュートラル領域)と、リターンスプリング14による反力Fr_spとアクチュエータ50による反力Frと、モータ34による回生ブレーキ量Qbとの関係が示されている。
本実施形態では、統合ECU22の閾値算出モジュール64は、アクセルペダル12の操作速度Vp[度/sec]に応じて第2閾値TH2を算出する。
本実施形態では、統合ECU22の走行制御モジュール66は、アクセルペダル12の操作量θpに応じて車両10の走行制御(力行制御、回生制御、ニュートラル制御)を切り替える。
上記式(1)において、Qb_maxは、回生ブレーキ量Qbが取り得る最大値であり、Gは、操作量θpに応じて最大値Qb_maxに乗算されるゲインである。ここで、ゲインGは、下記の式(2)で定義される。
上記式(2)からわかるように、ゲインGは、操作量θpが第1閾値TH1と等しいとき、最小(ゼロ)となり、操作量θpが最小値(例えば、ゼロ)であるとき、最大値となる。
上述の通り、本実施形態では、統合ECU22の反力制御モジュール68は、アクセルペダル12の操作量θpに応じてアクチュエータ50による反力Frを制御する。
次に、本実施形態の車両10と比較例の車両10cが一時停止の標識80で止まる場合を比較する。図7には、比較例の車両10cが一時停止の標識80で止まる様子の一例が示されている。図8には、本実施形態の車両10が一時停止の標識80で止まる様子の一例が示されている。比較例では、JP2001−260713Aのように、図2の力行領域と回生領域のみが用いられる。なお、図7では、比較例における力行領域と回生領域の閾値を閾値THcとする。
以上のように、本実施形態によれば、アクセルペダル12の操作量θpの調整により、車両10の力行動作及び回生動作に加え、ニュートラル状態を選択することが可能となる。このため、運転者が意図しない制動力Fbe、Fbmの発生(エンジンブレーキ又は回生ブレーキの作動)により、車両10が減速することを避けることが可能となる。加えて、運転者は、例えば、加速から定速走行に移行する際、加速若しくは定速走行から緩やかな減速に移行する際、又は減速から定速走行に移行する際、慣性走行を積極的に活用することが可能となる。
なお、この発明は、上記実施形態に限らず、この明細書の記載内容に基づき、種々の構成を採り得ることはもちろんである。例えば、以下の構成を採用することができる。
Claims (7)
- 車両に設けられたアクセルペダルと、
前記アクセルペダルの操作量を検出する操作量検出装置と、
前記アクセルペダルに対して反力を付与するアクチュエータと、
前記アクチュエータを制御する反力制御装置と、
前記車両における駆動力及び制動力の発生を制御する走行制御装置と
を備え、
前記走行制御装置は、
前記操作量が、第1閾値を下回る場合、前記制動力を発生させ、
前記操作量が、前記第1閾値より大きい第2閾値を上回る場合、前記駆動力を発生させ、
前記操作量が前記第1閾値を上回り前記第2閾値を下回る場合、前記駆動力及び前記制動力のいずれも発生させずに、前記車両の慣性走行を許容し、
前記第1閾値及び前記第2閾値は、前記車両の走行状態を切り替えるための操作量の閾値であり、
前記第1閾値は、回生領域とニュートラル領域の境界となる値であり、
前記第2閾値は、前記ニュートラル領域と力行領域の境界となる値である
ことを特徴とするアクセルペダル装置。 - 請求項1記載のアクセルペダル装置において、
前記制動力は、前記車両に設けられた走行モータの回生動作による制動力を含み、
前記アクセルペダルの操作量に応じて、前記回生動作による制動力が設定される
ことを特徴とするアクセルペダル装置。 - 請求項1又は2記載のアクセルペダル装置において、
前記アクセルペダルの操作量が小さくなるほど回生動作による制動力を大きくする
ことを特徴とするアクセルペダル装置。 - 請求項1〜3のいずれか1項に記載のアクセルペダル装置において、
前記反力制御装置は、前記操作量が前記第1閾値又は前記第2閾値を跨って変化するとき、前記操作量が他の領域にある場合よりも前記反力を大きくする反力増加領域を設定する
ことを特徴とするアクセルペダル装置。 - 請求項4記載のアクセルペダル装置において、
前記反力制御装置は、前記操作量が前記反力増加領域を除く前記第2閾値を上回る領域における前記反力を、前記操作量が前記反力増加領域を除く前記第1閾値と前記第2閾値の間にある領域における前記反力よりも大きく設定する
ことを特徴とするアクセルペダル装置。 - 請求項1〜5のいずれか1項に記載のアクセルペダル装置において、
さらに、前記アクセルペダルの操作速度を検出する操作速度検出装置を備え、
前記走行制御装置は、前記車両の加速又は減速の度合いを判定するための前記操作速度の閾値を前記操作速度が上回る場合、前記第1閾値を大きくする又は前記第2閾値を小さくする
ことを特徴とするアクセルペダル装置。 - 請求項1〜6のいずれか1項に記載のアクセルペダル装置において、
前記走行制御装置は、
前記車両のエンジン及び走行モータによる駆動力及び制動力の発生を制御し、
前記操作量が、前記第1閾値を下回る場合、前記エンジン及び前記走行モータの少なくとも一方に前記制動力を発生させ、
前記操作量が,前記第2閾値を上回る場合、前記エンジン及び前記走行モータの少なくとも一方に前記駆動力を発生させ、
前記操作量が前記第1閾値を上回り前記第2閾値を下回る場合、前記エンジン及び前記走行モータの両方に前記駆動力及び前記制動力のいずれも発生させずに、前記車両の慣性走行を許容する
ことを特徴とするアクセルペダル装置。
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JP2006117020A (ja) * | 2004-10-19 | 2006-05-11 | Toyota Motor Corp | 車両用走行制御装置 |
JP2007022236A (ja) * | 2005-07-14 | 2007-02-01 | Fujitsu Ten Ltd | 運転補助装置の制御装置 |
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EP2546496A1 (en) | 2013-01-16 |
EP2546496A4 (en) | 2013-08-21 |
US20120325042A1 (en) | 2012-12-27 |
WO2011111489A1 (ja) | 2011-09-15 |
US8706374B2 (en) | 2014-04-22 |
CN102791989B (zh) | 2015-04-29 |
JPWO2011111489A1 (ja) | 2013-06-27 |
CN102791989A (zh) | 2012-11-21 |
EP2546496B1 (en) | 2016-03-30 |
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