JP6545560B2 - ハイブリッド車両の能動型振動低減制御装置及びその方法 - Google Patents
ハイブリッド車両の能動型振動低減制御装置及びその方法 Download PDFInfo
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- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
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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
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Description
220 基準信号生成部
230 係数決定部
240 位相決定部
250 位相偏移量検出部
260 逆位相信号生成部
270 トルク生成部
Claims (18)
- 第1モータ、トーショナルダンパ、エンジン、コネクタ、第2モータが順次連結されたハイブリッド車両の能動型振動低減制御装置において、
前記第2モータから振動信号を抽出する振動抽出部;
前記第1モータの回転角に基づいて基準信号及び位相を生成する基準信号生成部;
前記生成された基準信号と前記抽出された振動信号との間の位相差が最小となるようにするフィルター係数を決定する係数決定部;
前記第1モータの速度信号と前記決定されたフィルター係数を用いて前記基準信号と前記振動信号との間の位相差を検出する位相決定部;
遅延を補償するための位相を検出する位相偏移量検出部;
前記基準信号生成部によって生成された位相、前記位相決定部によって検出された位相、及び前記位相偏移量検出部によって検出された位相を用いて逆位相信号を生成する逆位相信号生成部;及び
前記逆位相信号に基準トルクを乗じて逆位相トルクを生成した後、指令トルクと足し合わせて振動低減用トルクを生成するトルク生成部
を含むハイブリッド車両の能動型振動低減制御装置。 - 前記振動抽出部は、
前記第2モータの回転角を測定する位置測定器;
前記位置測定器によって測定された回転角を微分して速度信号を算出する速度算出機;及び
前記速度算出機によって算出された速度信号をフィルタリングして振動信号を抽出する振動抽出機
を含む請求項1に記載のハイブリッド車両の能動型振動低減制御装置。 - 前記振動抽出機は、
Band−Pass形式のデジタルフィルターであることを特徴とする請求項2に記載のハイブリッド車両の能動型振動低減制御装置。 - 前記基準信号生成部は、
前記第1モータの回転角を測定する位置測定器;
前記位置測定器によって測定された第1モータの回転角に2を乗じて2倍回転角を算出する算出機;及び
前記算出機によって算出された2倍回転角を用いて基準信号を生成する基準信号生成器
を含む請求項1に記載のハイブリッド車両の能動型振動低減制御装置。 - 前記位相決定部は、
前記位置測定器によって測定された回転角を微分して速度信号を算出する速度算出機;及び
前記速度算出機によって算出された速度信号と前記決定されたフィルター係数を用いて、前記基準信号と前記振動信号との間の位相差を検出する位相決定器
を含む請求項4に記載のハイブリッド車両の能動型振動低減制御装置。 - 前記係数決定部は、
フィルター係数更新機によって更新されたフィルター係数を用いて、前記基準信号生成部によって生成された基準信号をフィルタリングする可変フィルター;
前記基準信号生成部によって生成された基準信号と前記振動抽出部によって抽出された振動信号との間の位相差を算出する位相差算出機;及び
前記位相差算出機によって算出された位相差が最小となるようにするフィルター係数を計算する前記フィルター係数更新機
を含む請求項1に記載のハイブリッド車両の能動型振動低減制御装置。 - 前記可変フィルターは、
FIR(Finite Impulse Response)形式のフィルターであることを特徴とする請求項6に記載のハイブリッド車両の能動型振動低減制御装置。 - 前記逆位相信号生成部は、
前記基準信号生成部によって生成された位相、前記位相決定部によって決定された位相、及び前記位相偏移量検出部によって検出された位相に基づき、前記振動抽出部によって抽出された振動信号に同期化された同期信号を生成する同期信号生成器;及び
前記同期信号生成器によって生成された同期信号の逆位相信号を生成する逆位相信号生成器
を含む請求項1に記載のハイブリッド車両の能動型振動低減制御装置。 - 前記基準トルクは、
既に設定された定数であることを特徴とする請求項1に記載のハイブリッド車両の能動型振動低減制御装置。 - 前記基準トルクは、
エンジントルクに対応する値であることを特徴とする請求項1に記載のハイブリッド車両の能動型振動低減制御装置。 - 第1モータ、トーショナルダンパ、エンジン、コネクタ、第2モータが順次連結されたハイブリッド車両の能動型振動低減制御方法において、
振動抽出部が前記第2モータから振動信号を抽出する段階;
基準信号生成部が前記第1モータの回転角に基づいて基準信号及び位相を生成する段階;
係数決定部が前記生成された基準信号と前記抽出された振動信号との間の位相差が最小となるようにするフィルター係数を決定する段階;
位相決定部が前記第1モータの速度信号と前記決定されたフィルター係数を用いて、前記基準信号と前記振動信号との間の位相差を検出する段階;
位相偏移量検出部が遅延を補償するための位相を検出する段階;
逆位相信号生成部が前記基準信号生成部によって生成された位相、前記位相決定部によって検出された位相、及び前記位相偏移量検出部によって検出された位相を用いて逆位相信号を生成する段階;及び
トルク生成部が前記逆位相信号に基準トルクを乗じて逆位相トルクを生成した後、指令トルクと足し合わせて振動低減用トルクを生成する段階
を含むハイブリッド車両の能動型振動低減制御方法。 - 前記振動抽出段階は、
前記第2モータの回転角を測定する段階;
前記測定された回転角を微分して速度信号を算出する段階;及び
前記算出された速度信号をフィルタリングして振動信号を抽出する段階
を含む請求項11に記載のハイブリッド車両の能動型振動低減制御方法。 - 前記振動信号抽出段階は、
Band−Pass形式のデジタルフィルターを用いて振動信号を抽出することを特徴とする請求項12に記載のハイブリッド車両の能動型振動低減制御方法。 - 前記基準信号生成段階は、
前記第1モータの回転角を測定する段階;
前記測定された第1モータの回転角に2を乗じて2倍回転角を算出する段階;及び
前記算出された2倍回転角を用いて基準信号を生成する段階
を含む請求項11に記載のハイブリッド車両の能動型振動低減制御方法。 - 前記基準信号生成段階は、
基準信号として単位正弦波を生成することを特徴とする請求項14に記載のハイブリッド車両の能動型振動低減制御方法。 - 前記逆位相信号生成段階は、
前記基準信号生成部によって生成された位相、前記位相決定部によって決定された位相、及び前記位相偏移量検出部によって検出された位相に基づき、前記振動抽出部によって抽出された振動信号に同期化された同期信号を生成する段階;及び
前記生成された同期信号の逆位相信号を生成する段階
を含む請求項11に記載のハイブリッド車両の能動型振動低減制御方法。 - 前記基準トルクは、
エンジントルクに対応する値であることを特徴とする請求項11に記載のハイブリッド車両の能動型振動低減制御方法。 - 前記基準トルクは、
既に設定された定数であることを特徴とする請求項11に記載のハイブリッド車両の能動型振動低減制御方法。
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