JP2019137138A - 変速制御装置 - Google Patents
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Abstract
Description
本発明では、エンジンとモータジェネレータ間のクラッチが切り離されて車両が惰性走行している状態で、回生制動が行われている間は、原則的に自動変速機の変速を禁止して回生制動の中断に起因する制動力の低下とショックの発生を抑制する。ただし、T秒後のモータジェネレータの回転数がクラッチの係合可能回転数以上であると予測され、かつ、T秒後の要求減速度がT秒後の実現可能減速度より所定の閾値以上大きいと予測される場合には、回生制動中であっても自動変速機の変速を許可して、エンジンブレーキのレスポンスを向上させる。
<構成>
図1は、第1の実施形態に係る変速制御装置が搭載されるハイブリッド車両の概略構成を示す機能ブロック図である。
条件(1):予測されたT秒後のモータジェネレータの回転数がK0クラッチの係合許可回転数以上である
条件(2):予測されたT秒後の要求減速度が予測されたT秒後のMG実現可能減速度より所定の閾値以上大きい
図5は、実施形態に係る変速制御装置の制御処理を示すフローチャートである。以下、図2及び図5を併せて参照しながら、変速制御装置10の制御処理を説明する。
以上説明したように、本実施形態に係る変速制御装置10は、車両がK0クラッチを開放して惰性走行し、モータジェネレータによる回生制動を行っている状態においては、T秒後のモータジェネレータの回転数がクラッチの係合可能回転数以上であると予測され、かつ、T秒後の要求減速度がT秒後のMG実現可能減速度より所定の閾値以上大きくなると予測される場合に、自動変速機の変速を実施する。そして、本実施形態に係る変速制御装置は、これらの条件を満足しない場合は、回生制動中の変速を禁止する。モータジェネレータの回生制動で要求減速度を実現できないと予測される場合には、予め変速を実施することにより、エンジンブレーキが必要となったときのレスポンスを良くしてドライバビリティを向上させることができる。また、モータジェネレータの回生制動で要求減速度を実現できる可能性がある場合には、回生制動中の変速を禁止することにより、回生制動中における制動力の低下とショックの発生を抑制できると共に、回生効率も向上させることができる。
上記の実施形態に係る変速制御装置において、ナビゲーションシステムに保持される地図情報や、車両が備えるセンサを利用して、T秒後の車速を予測しても良い。
2 モータジェネレータ
4 自動変速機
5 K0クラッチ
10 変速制御装置
11 情報取得部
12 要求減速度予測部
13 実現可能減速度予測部
14 回転数予測部
15 変速制御部
Claims (2)
- エンジンと、モータジェネレータと、前記エンジン及び前記モータジェネレータとの間に介在するクラッチと、前記モータジェネレータに接続される有段の自動変速機とを有するハイブリッド車両において、前記自動変速機の変速を制御する変速制御装置であって、
前記クラッチが切り離され、かつ、前記ハイブリッド車両が惰性走行している状態において、所定時間後における前記モータジェネレータの回転数を予測する回転数予測部と、
前記所定時間後に前記ハイブリッド車両を制動するために要求される要求減速度を予測する要求減速度予測部と、
前記ハイブリッド車両を制動するために前記所定時間後に前記モータジェネレータの回生により実現可能な実現可能減速度を予測する実現可能減速度予測部と、
前記自動変速機の変速を制御する変速制御部とを備え、
前記変速制御部は、前記モータジェネレータの前記予測された回転数が前記クラッチの係合許可回転数以上であり、かつ、前記予測された要求減速度が前記予測された実現可能減速度より所定の閾値以上大きい場合には、前記自動変速機の変速を許可し、それ以外の場合には、前記モータジェネレータを用いた回生制動中における前記自動変速機の変速を禁止する、変速制御装置。 - 前記回転数予測部及び前記要求減速度予測部は、地図情報に含まれる坂道情報に基づいて、前記所定時間後における前記モータジェネレータの回転数及び前記所定時間後における前記要求減速度をそれぞれ予測する、請求項1に記載の変速制御装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2018020272A JP7024472B2 (ja) | 2018-02-07 | 2018-02-07 | 変速制御装置 |
DE102019101849.8A DE102019101849A1 (de) | 2018-02-07 | 2019-01-25 | Schaltsteuerungsgerät |
US16/263,001 US20190241078A1 (en) | 2018-02-07 | 2019-01-31 | Shift control apparatus |
CN201910108794.6A CN110126627A (zh) | 2018-02-07 | 2019-02-03 | 换档控制装置 |
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JP2018020272A JP7024472B2 (ja) | 2018-02-07 | 2018-02-07 | 変速制御装置 |
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JP2019137138A true JP2019137138A (ja) | 2019-08-22 |
JP7024472B2 JP7024472B2 (ja) | 2022-02-24 |
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US (1) | US20190241078A1 (ja) |
JP (1) | JP7024472B2 (ja) |
CN (1) | CN110126627A (ja) |
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JP7383929B2 (ja) * | 2019-08-13 | 2023-11-21 | 株式会社豊田自動織機 | 産業用車両 |
JP7339857B2 (ja) * | 2019-11-07 | 2023-09-06 | 株式会社デンソー | 制動制御装置 |
CN111152665B (zh) * | 2020-01-08 | 2021-04-02 | 吉林大学 | 一种基于驾驶风格识别的纯电动汽车amt换挡控制方法 |
CN115817187B (zh) * | 2022-12-19 | 2024-06-18 | 潍柴动力股份有限公司 | 混合动力车辆的能量回收方法 |
Citations (4)
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KR101703629B1 (ko) * | 2015-12-14 | 2017-02-07 | 현대자동차 주식회사 | 듀얼 클러치 변속기를 구비한 하이브리드 차량의 제어 방법 및 장치 |
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WO2013014741A1 (ja) * | 2011-07-25 | 2013-01-31 | トヨタ自動車株式会社 | 車両制御装置 |
JP2013095316A (ja) * | 2011-11-02 | 2013-05-20 | Toyota Motor Corp | ハイブリッド車両用動力伝達装置の制御装置 |
JP2016034766A (ja) * | 2014-08-01 | 2016-03-17 | 日立オートモティブシステムズ株式会社 | 車両用制御装置 |
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CN110126627A (zh) | 2019-08-16 |
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