JP5145139B2 - 動力伝達装置 - Google Patents
動力伝達装置 Download PDFInfo
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- JP5145139B2 JP5145139B2 JP2008174725A JP2008174725A JP5145139B2 JP 5145139 B2 JP5145139 B2 JP 5145139B2 JP 2008174725 A JP2008174725 A JP 2008174725A JP 2008174725 A JP2008174725 A JP 2008174725A JP 5145139 B2 JP5145139 B2 JP 5145139B2
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Description
E2/E1=1/(1−d) (2)
Teng=Tcoil+TC=TMG (7)
Neng≦NMG (8)
Nout=0 (9)
Teng=Tcoil+TC (12)
Neng≦NMG=Nout (13)
Teng=Tcoil+TC (15)
Neng≦NMG≠Nout (16)
f1=P1×(Neng−NMG)/120 (NMG<Nengの場合) (18)
Teng=Tcoil (20)
NMG=Nout (21)
Claims (8)
- 交流電流が流れることで回転磁界を発生可能な回転子導体が配設された第1回転子と、
交流電流が流れることで回転磁界を発生可能な固定子導体が配設された固定子と、
第1回転子に対し相対回転可能な第2回転子であって、回転子導体で発生した回転磁界が作用するのに応じて第1回転子との間にトルクが作用し、固定子導体で発生した回転磁界が作用するのに応じて固定子との間にトルクが作用する第2回転子と、
を備え、
回転子導体は、第1回転子と第2回転子との間に回転差が発生するのに起因して誘導電流が流れることで回転磁界を発生し、
第1回転子にエンジンからの動力が伝達され、第2回転子から負荷へ動力が伝達される動力伝達装置であって、
第2回転子と負荷との間のトルク伝達を許容または遮断する第1クラッチと、
電気エネルギーを蓄える蓄電装置からの直流電力を交流に変換して固定子導体へ供給することが可能なインバータと、
回転子導体の交流電力を取り出すための電力伝達部と、
電力伝達部と蓄電装置またはインバータとの間で電力変換を行う電力変換部と、
インバータから固定子導体に流れる交流電流を制御することで、固定子と第2回転子との間に作用するトルクを制御し、電力変換部で行われる電力変換を制御して回転子導体に流れる交流電流を制御することで、第1回転子と第2回転子との間に作用するトルクを制御する制御装置と、
を備え、
制御装置は、
エンジンを始動する場合には、
負荷の要求トルクに基づいて、第1クラッチにより第2回転子と負荷との間のトルク伝達を許容するか否かを決定し、
第2回転子をエンジン回転方向に回転駆動するように固定子から第2回転子にトルクを作用させるとともに、第1回転子と第2回転子との間にトルクが作用するように電力変換部で行われる電力変換を制御し、
さらに、第1クラッチにより第2回転子と負荷との間のトルク伝達を許容するときは、第1回転子と第2回転子との間に作用するトルクと、負荷の要求トルクとに基づいて、固定子から第2回転子に作用するトルクを制御する、動力伝達装置。 - 請求項1に記載の動力伝達装置であって、
電力変換部は、
電力伝達部で取り出された交流電力を整流する整流器と、
整流器で整流された電力を電圧変換して蓄電装置またはインバータへ供給するDC−DCコンバータと、
を含み、
制御装置は、
DC−DCコンバータにおける電圧変換比を制御して回転子導体に流れる交流電流を制御することで、第1回転子と第2回転子との間に作用するトルクを制御し、
さらに、エンジンを始動する場合には、第1回転子と第2回転子との間にトルクが作用するようにDC−DCコンバータにおける電圧変換比を制御する、動力伝達装置。 - 請求項2に記載の動力伝達装置であって、
第1クラッチは、第2回転子側の回転部材と負荷側の回転部材との回転速度差を許容しながら第2回転子と負荷との間でトルク伝達を行うことが可能であり、
制御装置は、エンジンを始動する場合に第2回転子の回転速度が所定のクランキング回転速度以下であるときは、第1クラッチにより第2回転子側の回転部材と負荷側の回転部材との回転速度差を許容しながら第2回転子と負荷との間でトルク伝達を行うとともに、第2回転子の回転速度を前記所定のクランキング回転速度よりも高くなるように制御する、動力伝達装置。 - 請求項1に記載の動力伝達装置であって、
制御装置は、エンジンを始動する場合には、第1回転子に発生する回転磁界が第2回転子と同期して回転するように回転子導体に流れる交流電流を制御する、動力伝達装置。 - 請求項4に記載の動力伝達装置であって、
制御装置は、
エンジンを始動する場合に第2回転子の回転速度が所定のクランキング回転速度よりも低いときは、蓄電装置からの直流電力を交流に変換して電力伝達部を介して回転子導体へ供給するように電力変換部で行われる電力変換を制御し、
エンジンを始動する場合に第2回転子の回転速度が前記所定のクランキング回転速度よりも高いときは、電力伝達部で取り出された回転子導体の交流電力を直流に変換して蓄電装置またはインバータへ供給するように電力変換部で行われる電力変換を制御する、動力伝達装置。 - 請求項1〜5のいずれか1に記載の動力伝達装置であって、
制御装置は、
エンジンを始動する場合に負荷の要求トルクが所定値より大きいときは、第1クラッチにより第2回転子と負荷との間のトルク伝達を許容し、
エンジンを始動する場合に負荷の要求トルクが前記所定値以下であるときは、第1クラッチにより第2回転子と負荷との間のトルク伝達を遮断する、動力伝達装置。 - 請求項1〜6のいずれか1に記載の動力伝達装置であって、
第1回転子と第2回転子とを機械的に係合させてそれらの間のトルク伝達を許容することが可能な第2クラッチをさらに備え、
制御装置は、エンジンを始動する場合には、第2クラッチにより第1回転子と第2回転子との間のトルク伝達を許容する、動力伝達装置。 - 請求項1〜7のいずれか1に記載の動力伝達装置であって、
電力伝達部は、
電力変換部に接続されたブラシと、
第1回転子の回転子導体に接続され、ブラシに対し摺動しながら第1回転子とともに回転するスリップリングと、
を含む、動力伝達装置。
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