JP2013546297A - 電気的駆動部の余裕電力を決定するための方法及び装置 - Google Patents
電気的駆動部の余裕電力を決定するための方法及び装置 Download PDFInfo
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Abstract
Description
本発明は、電気的駆動部、とりわけ自動車のドライブトレーン内に使用するための電気的駆動部の余裕電力を決定するための方法を提供するものであって、この方法は、電気的駆動部の変換可能な電力の限界を形成する、前記電気的駆動部の電力限界を決定するステップと、前記電気的駆動部の要求トルク、又は供給トルク、又は動作トルクを検出するステップと、前記電気的駆動部の所定の電力限界内で、前記要求トルク、又は供給トルク、又は動作トルクを超えて変換可能な電力を形成している余裕電力を決定するステップと、前記余裕電力を表示手段を用いて表示するステップとを有している。
本発明によれば、電気的駆動部のユーザー、とりわけこの種の駆動部を備えた車両のドライバーに、これまでの実際に変換された電力に基づいて電気的駆動部の電力限界に達するまでにまだどの位の電力量が変換可能であるかがいつでも表示可能である。それにより、ユーザーないしはドライバーがあらゆる時点で、電力が現下の電力を超えて変換可能であるかどうかと、場合によって呼び出し可能であるか否かが推定できる。換言すれば、ユーザーないしドライバーに、電力の引き下げ制御ないしは変換可能な電力の制限を当てにできるか否か、あるいは電力の引き下げ制御ないし変換可能な電力の制限がいつ当てにできるかが表示される。それにより、とりわけ車両特性が予測でき、乗員の安全性が全般的に高められる。
図1には、自動車が概略的に示されており、この自動車は全般的に符号10で表される。この自動車10はドライブトレーン12を有しており、ここでのドライブトレーン12は、本願発明によれば、駆動出力の供給のために電気機械14を有している。このドライブトレーン12は車両10の駆動輪16L,16Rの駆動のために用いられる。
Claims (15)
- 電気的駆動部(14)、とりわけ自動車(10)のドライブトレーン(12)で使用するための電気的駆動部の余裕電力を決定するための方法(30)であって、
前記電気的駆動部(14)の変換可能な電力の限界を形成する、電気的駆動部(14)の電力限界を決定するステップ(32)と、
前記電気的駆動部(14)の要求トルク、又は供給トルク、又は動作トルクを検出するステップ(40)と、
前記電気的駆動部(14)の所定の電力限界内で、前記要求トルク、又は供給トルク、又は動作トルクを超えて変換可能な電力を形成している余裕電力を決定するステップ(36、42)と、
表示手段(28)を用いて前記余裕電力を表示するステップ(38,46,52,54)とを有していることを特徴とする方法。 - 前記電力限界を決定するステップ(32)が、前記電気的駆動部(14)の少なくとも1つの構成要素の負荷限界、とりわけ熱的負荷限界に基づいて行われる、請求項1記載の方法。
- 前記負荷限界は、電気的構成要素のモデル(34)に基づいて決定される、請求項1または2記載の方法。
- 前記負荷限界の決定のためのモデル(34)は、複数のモデル(34)の中から実際の余裕電力に基づいて選択される、請求項3記載の方法。
- 前記電力限界は、時間的に最も早くその負荷限界に到達する構成要素に基づいて決定される、請求項1から4いずれか1項記載の方法。
- 前記余裕電力を決定するステップ(36,42)は、離散的な幅で規則的に行われ、前記ステップの間隔は、余裕電力の減少に伴って低減される、請求項1から5いずれか1項記載の方法。
- 前記余裕電力を決定するステップ(36,42)は、連続的に行われる、請求項1から5いずれか1項記載の方法。
- 前記余裕電力が、前記要求トルクの供給に対して十分であるか否かが表示される、請求項1から7いずれか1項記載の方法。
- 前記要求トルクを余裕電力に関連して供給できる持続時間を決定する、請求項1から8いずれか1項記載の方法。
- 前記要求トルクを、負荷限界に達したときに引き下げ制御する(48)、請求項1から9いずれか1項記載の方法。
- 継続的電力限界を越えるトルクは、ドライバーによる事前に定められた入力を介してのみ可能であり、その際にドライバーは、とりわけ表示手段を介して、要求されたトルクが継続的電力限界を超えることの通知を受け取る、請求項1から10いずれか1項記載の方法。
- 前記要求トルク(t)は、前記少なくとも1つの電気的構成要素の電力限界に到達しているか、又は予め定めた期間の経過後に到達する場合には供給されない、請求項1から11いずれか1項記載の方法。
- 前記電力限界及びとりわけ継続的電力限界は、計画された走行区間に関する区間情報に基づいて決定され、その際の余裕電力が、計画された走行区間に必要なトルク(t)に基づいて決定される、請求項1から12いずれか1項記載の方法。
- 電気的駆動部(14)、とりわけ自動車(10)のドライブトレーン(12)で使用するための電気的駆動部の余裕電力を決定するための装置であって、
少なくとも1つの制御装置(22)を有しており、
前記制御装置(22)は表示手段(28)と接続され、請求項1から13いずれか1項記載の方法を実施できるように構成されていることを特徴とする装置。 - 駆動電力を供給するための電気的駆動部(14)と請求項14記載の装置とを有する自動車用ドライブトレーン(12)。
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DE102010063358.5 | 2010-12-17 | ||
DE102010063358A DE102010063358A1 (de) | 2010-12-17 | 2010-12-17 | Verfahren und Vorrichtung zum Bestimmen einer Leistungsreserve eines elektrischen Antriebs |
PCT/EP2011/068318 WO2012079810A2 (de) | 2010-12-17 | 2011-10-20 | Verfahren und vorrichtung zum bestimmen einer leistungsreserve eines elektrischen antriebs |
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CN107531242A (zh) * | 2015-04-08 | 2018-01-02 | 尤耶特车辆有限责任公司 | 电动轻便摩托车 |
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DE102014201265A1 (de) * | 2014-01-23 | 2015-07-23 | Bayerische Motoren Werke Aktiengesellschaft | Powerboost für Fahrzeuge mit Elektroantrieb |
DE102016222827A1 (de) | 2016-11-18 | 2018-05-24 | Audi Ag | Verfahren zum Betreiben eines Kraftfahrzeugs und Kraftfahrzeug |
JP2022514533A (ja) * | 2018-12-15 | 2022-02-14 | ログ 9 マテリアルズ サイエンティフィック プライベート リミテッド | 電気自動車の航続距離を延長するシステム及び方法 |
LU101181B1 (de) * | 2019-04-12 | 2020-10-12 | Compredict Gmbh | Verfahren zur Bestimmung einer Belastungsvorhersage für ein Bauteil eines Kraftfahrzeugs |
US20230182756A1 (en) * | 2020-03-20 | 2023-06-15 | Cummins Inc. | Systems and methods to use peak power in a targeted manner |
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Also Published As
Publication number | Publication date |
---|---|
WO2012079810A2 (de) | 2012-06-21 |
US20130338875A1 (en) | 2013-12-19 |
EP2651689A2 (de) | 2013-10-23 |
CN103282233A (zh) | 2013-09-04 |
WO2012079810A3 (de) | 2013-05-10 |
DE102010063358A1 (de) | 2012-06-21 |
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