JP5879251B2 - 電動機の駆動制御装置 - Google Patents
電動機の駆動制御装置 Download PDFInfo
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- JP5879251B2 JP5879251B2 JP2012273258A JP2012273258A JP5879251B2 JP 5879251 B2 JP5879251 B2 JP 5879251B2 JP 2012273258 A JP2012273258 A JP 2012273258A JP 2012273258 A JP2012273258 A JP 2012273258A JP 5879251 B2 JP5879251 B2 JP 5879251B2
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- Prior art keywords
- damping torque
- control device
- electric motor
- drive
- limit value
- Prior art date
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- B60L15/20—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
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
Description
さらに、請求項5に記載の発明の駆動制御装置では、前記所定時間は、前記駆動軸の捻じれによって生じる回転変動の共振周波数の1周期の時間よりも長い時間であることを特徴としている。
103 コンバータ(CONV)
105 第1インバータ(第1INV)
107 電動機(Mot)
109 内燃機関(ENG)
111 発電機(GEN)
113 第2インバータ(第2INV)
115 ギアボックス(ギア)
116 回転数センサ
117 回転数センサ
118 変速操作部
119 マネジメントECU(MG ECU)
121 駆動軸
123 駆動輪
201 不完全微分実行部
203 スリップ発生判定部
205 制振トルクリミット値設定部
207 仮制振トルク算出部
209 制振トルク設定部
211 トルク合成部
213 電流指令値算出部
Claims (6)
- 駆動源として車両が備える電動機の駆動制御装置であって、
前記車両の駆動輪におけるスリップの発生を判定するスリップ発生判定部と、
前記電動機又は前記駆動輪と機械的に接続された駆動軸に発生する回転数の変動成分を抑制するための仮制振トルクを算出する仮制振トルク算出部と、
前記スリップ発生判定部がスリップ発生と判定して所定時間はスリップ発生判定を維持し、前記所定時間の間は、前記電動機又は前記駆動軸の回転数の絶対値が増大する方向での制振トルクの制限値を設定する制振トルクリミット値設定部と、
前記仮制振トルクを前記制振トルクリミット値設定部が設定した制限値によって制限した制振トルクを設定する制振トルク設定部と、
前記電動機に要求されたトルクに前記制振トルク設定部が設定した制振トルクを合成したトルクの指令値に応じて、前記電動機の駆動を制御する制御部と、
を備えたことを特徴とする駆動制御装置。 - 請求項1に記載の駆動制御装置であって、
前記スリップ発生判定部は、前記電動機の回転数の単位時間変化量が所定値以上のとき、前記駆動輪がスリップしたと判定することを特徴とする駆動制御装置。 - 請求項1に記載の駆動制御装置であって、
前記スリップ発生判定部は、前記駆動軸の回転数の単位時間変化量が所定値以上のとき、前記駆動輪がスリップしたと判定することを特徴とする駆動制御装置。 - 請求項1に記載の駆動制御装置であって、
前記所定時間は、前記駆動軸の捻じれによって生じる回転変動の共振周波数に応じて設定されることを特徴とする駆動制御装置。 - 請求項4に記載の駆動制御装置であって、
前記所定時間は、前記駆動軸の捻じれによって生じる回転変動の共振周波数の1周期の時間よりも長い時間であることを特徴とする駆動制御装置。 - 請求項1〜5のいずれか一項に記載の駆動制御装置であって、
前記制振トルクリミット値設定部は、正値側及び負値側の各制振トルクの制限値を設定することを特徴とする駆動制御装置。
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