JP5564433B2 - ハイブリッド車両の燃料消費の管理方法及び同方法に適合する車両 - Google Patents
ハイブリッド車両の燃料消費の管理方法及び同方法に適合する車両 Download PDFInfo
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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
a)所定の移動行程について、電気機械の使用によって生じる燃料節約量を表すパラメータの目標値を決定するステップ、
b)車両が所定の移動行程を走行しているときの、このパラメータの実際値を決定するステップ、
c)上述において決定された目標値と実際値とを比較するステップ、及び
d)少なくとも移動行程の最後において、比較の結果をユーザに通知するステップを含む。
a1)車両を用いて所定の移動行程の試験走行を少なくとも行って、この試験走行における車両のデータセットを記録するサブステップ、
a2)内燃機関エンジンのみが使用されるときに、車両が所定の移動行程を走行するための第1エネルギ所要値を、少なくともデータセットに基づいて計算するサブステップ、
a3)内燃機関エンジン、蓄積手段、及び電気機械が使用されるときに、車両が所定の移動行程を走行するための第2エネルギ所要値を、少なくともデータセットに基づいて計算するサブステップ、及び
a4)第1エネルギ所要値及び第2エネルギ所要値に基づいて、パラメータの目標値を算出するサブステップを含む。
a’1)移動行程及び車両のモデルを生成するステップ、
a’2)内燃機関エンジンのみが使用されるときに、車両が所定の移動行程を走行するための第1エネルギ所要値を、モデルに基づいて計算するステップ、
a’3)内燃機関エンジン、蓄積手段、及び電気機械が使用されるときに、車両が移動行程を走行するための第2エネルギ所要値をモデルに基づいて計算するステップ、及び
a’4)第1及び第2エネルギ所要値に基づいて、パラメータの目標値を算出するステップを含む。
−ステップa2)からa4)、又は、ステップa’2)からa’4)は、車両外のコンピュータにおいて行われる。
−目標値は決定された後で車両に格納される。
−ステップb)は、車両が所定の移動行程を走行しているときに、内燃機関エンジン、蓄積手段、及び電気機械の実際の動作状態に基づいて車両内で実行される。
−ステップc)は車両内で実行され、ステップd)において運転者は比較の結果を車両内で通知される。
−ステップd)は移動行程の最後に行われてもよい、又は、車両が所定の移動行程を走行しているときに複数回又は連続して行われてもよい。
−代替又は追加として、ステップd)において、ステップc)の比較の結果に関する情報はリモートコンピュータ(202)に送られる。
−燃料節約状態を表すパラメータは、所定の移動行程についての車両のエネルギ所要量の比率であり、この比率は、蓄積手段及び電気機械の使用によって生じるエネルギ節約量に対応する。
−移動行程全体の道路の勾配。
−エンジン及びモータによって提供される、時間関数としてのトルク。
−時間関数としてのバッテリの充電状態。
−車両総重量と、移動行程における重量の漸進的変化。
−瞬間変速機比、等。
R=C/N1=(N1−N2)/N1
この自由エネルギ比率は、電気機械2の使用によって生じる燃料節約量を表すパラメータである。
RA=(N1−N3)/N1
移動行程の最後に、目標の自由エネルギ比率RTに対する実自由エネルギ比率RAの比Qを次式で算出できる。
Q=RA/RT
この比Qは、その値が運転者の運転挙動に左右される限りにおいて、持続可能な運転指標であると見なすことができる。Qが1に近付くほど、運転挙動は燃料消費に関して向上する。
Claims (15)
- 内燃機関(1)、電気エネルギ蓄積手段(4)、及び、発電機又はモータとして動作するように適合される少なくとも一つの電気機械(2)を含むハイブリッド車両(T)の所定の移動行程における燃料消費を管理する方法であって、少なくとも、
a)前記移動行程について、前記電気機械の使用によって生じる燃料節約状態を表すパラメータ(R)の目標値(RT)を決定するステップ(101〜104)と、
b)前記車両が前記移動行程を走行しているときの前記パラメータの実際値(RA)を決定するステップ(106〜107)と、
c)前記目標値(RT)と前記実際値(RA)とを比較するステップ(108)と、
d)少なくとも前記移動行程の最後において、前記比較の結果(Q)をユーザに通知するステップ(109)とを含み、
前記目標値(RT)を決定するステップa)は、少なくとも、
前記内燃機関(1)のみが使用される場合に、前記車両が前記移動行程を走行するための基準となる第1エネルギ所要値(N1)を計算するサブステップと、
前記内燃機関(1)、前記蓄積手段(4)、及び前記電気機械(2)が使用される場合に、前記車両が前記移動行程を走行するための基準となる第2エネルギ所要値(N2)を計算するサブステップと、
前記基準となる第1及び第2エネルギ所要値(N1、N2)に基づいて、前記パラメータ(R)の目標値(RT)を算出するサブステップとを含み、
前記パラメータの実際値(R A )を決定するステップb)は、
前記第1エネルギ所要値(N 1 )及び、前記車両が前記移動行程を走行しているときの実際のエネルギ所要値である第3エネルギ所要値(N 3 )に基づいて、前記パラメータの実際値(R A )を決定するステップである、方法。 - 前記ステップa)は、少なくとも、
a1)前記車両(T)で、前記移動行程についての試験走行を少なくとも行って、前記試験走行についてのデータセットを記録するサブステップ(101)と、
a2)内燃機関(1)のみが使用されるときに、前記車両が前記移動行程を走行するための基準となる第1エネルギ所要値(N1)を、少なくとも前記データセットに基づいて計算するサブステップ(102)と、
a3)前記内燃機関(1)、前記蓄積手段(4)、及び前記電気機械(2)が使用されるときに、前記車両が前記移動行程を走行するための基準となる第2エネルギ所要値(N2)を、少なくとも前記データセットに基づいて計算するサブステップと、
a4)前記基準となる第1及び第2エネルギ所要値(N1、N2)に基づいて、前記パラメータ(R)の目標値(RT)を算出するサブステップとを含む、請求項1に記載の方法。 - ステップa1)で記録される前記データセットは、前記移動行程と、前記移動行程における前記車両の動作とを表す、請求項2に記載の方法。
- ステップa1)で記録される前記データセットは、前記移動行程中の前記車両の速度分析を少なくとも含む、請求項2又は3に記載の方法。
- ステップa)は、少なくとも、
a’1)前記移動行程及び前記車両(T)のモデルを生成するステップ(101)と、
a’2)内燃機関(1)のみが使用されるときに、前記車両が前記移動行程を走行するための基準となる第1エネルギ所要値(N1)を、前記モデルに基づいて計算するステップと、
a’3)前記内燃機関(1)、前記蓄積手段、及び前記電気機械(2)が使用されるときに、前記車両が前記移動行程を走行するための基準となる第2エネルギ所要値(N2)を、前記モデルに基づいて計算するステップと、
a’4)前記基準となる第1及び第2エネルギ所要値(N1、N2)に基づいて、前記パラメータ(R)の目標値(RT)を算出するステップとを含む、請求項1に記載の方法。 - ステップa2)からa4)、又はステップa’2)からa’4)は、車両外のコンピュータ(203)において実行される、請求項2乃至5のいずれか1項に記載の方法。
- 前記目標値(RT)は決定された後で、前記車両(T)の車両内(71)に格納される、請求項1乃至6のいずれか1項に記載の方法。
- ステップb)は、前記車両が前記移動行程を走行しているときに、前記内燃機関(1)、前記蓄積手段(4)、及び前記電気機械(2)の実際の動作状態に基づいて、前記車両(T)の車両内(72)で実行される、請求項1乃至7のいずれか1項に記載の方法。
- ステップc)は前記車両(T)の車両内で実行され、ステップd)において、運転者は前記比較の結果を車両内で通知される、請求項1乃至8のいずれか1項に記載の方法。
- ステップd)は、前記移動行程の最後に行われる、請求項9に記載の方法。
- ステップd)は、前記車両(T)が前記移動行程を走行しているときに、複数回又は連続して行われる、請求項9に記載の方法。
- ステップd)において、ステップc)の前記比較の結果に関する情報がリモートコンピュータ(201)に送られる、請求項1乃至11のいずれか1項に記載の方法。
- 前記パラメータは、前記移動行程についての前記車両の前記エネルギ所要量の比率(R)であり、前記比率(R)は、前記蓄積手段(4)及び前記電気機械(2)の使用によって生じるエネルギ節約量(C)に対応する、請求項1乃至12のいずれか1項に記載の方法。
- 内燃機関(1)と、電気エネルギ蓄積手段(4)と、発電機又はモータとして動作するように適合される少なくとも一つの電気機械(2)と、前記目標値(RT)を格納するように適合されるメモリ(71)と、前記実際値(RA)を決定するように、及び、ステップ(c)の比較を行うように適合される演算手段(72)と、ステップ(d)に従って運転者への通知を行うように適合される表示手段(8)とを含む、請求項1乃至13のいずれか1項に記載の方法に適するハイブリッド車両(T)。
- 前記表示手段(8)は、燃料節約状態(C)を表すパラメータ(R)の前記実際値(RA)と前記目標値(RT)の比(Q)を図表式に表示するように適合される、請求項14に記載の車両。
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