JP2012068200A5 - - Google Patents
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- JP2012068200A5 JP2012068200A5 JP2010215211A JP2010215211A JP2012068200A5 JP 2012068200 A5 JP2012068200 A5 JP 2012068200A5 JP 2010215211 A JP2010215211 A JP 2010215211A JP 2010215211 A JP2010215211 A JP 2010215211A JP 2012068200 A5 JP2012068200 A5 JP 2012068200A5
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- dynamometer
- shaft
- torque
- intermediate shaft
- resonance point
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Description
図18は中間軸を持つエンジンベンチシステムのトルク応答特性(動力計トルク指令→軸トルク検出特性)のボード線図を示し、図19はステップ応答波形を示し、カップリングによる共振点(図18では約100Hz)と、クラッチによる共振点(図18では約10Hz)の2つの大きな共振ゲインを持つ共振点が現れる。 18 shows a Bode diagram of torque response characteristics (dynamometer torque command → shaft torque detection characteristics) of an engine bench system having an intermediate shaft, FIG. 19 shows a step response waveform, and a resonance point by coupling (in FIG. 18 ) A resonance point having two large resonance gains appears (about 100 Hz) and a resonance point by the clutch (about 10 Hz in FIG. 18 ).
図20および図21は、中間軸を持つエンジンベンチシステムの軸トルク制御器を特許文献1の制御手法で構成した場合の制御特性を示す。図20は軸トルク指令値に対する軸トルク検出値のボード線図、図21は軸トルク指令値に対する軸トルク検出値のステップ応答である。図20のボード線図では、クラッチの共振点である10Hz付近まで指令値通りになるように制御できているが、図21を見ると、100Hzのカップリングの共振点で制御が不安定化し、次第に発散していることがわかる。そのため、特許文献1の制御手法は中間軸を持つエンジンベンチシステムには適用できない。 20 and 21 show control characteristics when the shaft torque controller of the engine bench system having the intermediate shaft is configured by the control method of Patent Document 1. FIG. FIG. 20 is a Bode diagram of the detected shaft torque value with respect to the shaft torque command value, and FIG. 21 is a step response of the detected shaft torque value with respect to the shaft torque command value. The Bode diagram of FIG. 20, although can be controlled so that the command value as to 10Hz near the resonance point of the clutch, when looking at FIG. 21, to destabilize the control at the resonance point of coupling of 100 Hz, It can be seen that it gradually diverges. Therefore, the control method of Patent Document 1 cannot be applied to an engine bench system having an intermediate shaft.
図5は本実施形態の制御系構成を示す。同図が図1と異なる構成は、図16に示す中間軸を持つ3慣性系のエンジンベンチシステムにおける動力計6のトルク制御に、軸トルク(T23)検出値を無駄時間要素(TD)23を通して加算器(Sum)24において動力計トルク指令(T3ref)に加算して新たな動力計トルク指令としている。この構成により、中間軸を持つエンジンベンチシステムにおいて、動力計6と中間軸12を結合するカップリング13のばね剛性に起因する共振を抑制して動力計6を安定に制御するものである。 FIG. 5 shows a control system configuration of the present embodiment. 1 is different from that shown in FIG. 1 in that the torque value of the dynamometer 6 in the three-inertia engine bench system having the intermediate shaft shown in FIG. adder (sum) is by adding the dynamometer torque command (T3ref) a new dynamometer torque command at 24. With this configuration, in an engine bench system having an intermediate shaft, resonance caused by the spring rigidity of the coupling 13 that couples the dynamometer 6 and the intermediate shaft 12 is suppressed and the dynamometer 6 is stably controlled.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2010215211A JP5605128B2 (en) | 2010-09-27 | 2010-09-27 | Dynamometer shaft torque control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2010215211A JP5605128B2 (en) | 2010-09-27 | 2010-09-27 | Dynamometer shaft torque control device |
Publications (3)
Publication Number | Publication Date |
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JP2012068200A JP2012068200A (en) | 2012-04-05 |
JP2012068200A5 true JP2012068200A5 (en) | 2013-10-24 |
JP5605128B2 JP5605128B2 (en) | 2014-10-15 |
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ID=46165639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2010215211A Active JP5605128B2 (en) | 2010-09-27 | 2010-09-27 | Dynamometer shaft torque control device |
Country Status (1)
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JP (1) | JP5605128B2 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014142317A (en) * | 2013-01-25 | 2014-08-07 | Sinfonia Technology Co Ltd | Testing device for power system |
JP5708704B2 (en) * | 2013-05-15 | 2015-04-30 | 株式会社明電舎 | Engine bench system |
JP5800001B2 (en) | 2013-10-07 | 2015-10-28 | 株式会社明電舎 | Dynamometer system |
JP6481792B2 (en) * | 2018-03-26 | 2019-03-13 | シンフォニアテクノロジー株式会社 | Power system test equipment |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS53118680U (en) * | 1977-02-28 | 1978-09-20 | ||
JPH02228282A (en) * | 1989-02-27 | 1990-09-11 | Yokogawa Electric Corp | Filter |
JP4019709B2 (en) * | 2002-01-09 | 2007-12-12 | 株式会社明電舎 | Engine bench system |
JP2003337092A (en) * | 2002-05-21 | 2003-11-28 | Meidensha Corp | Method for determining spring constant of dynamic torsion |
JP4856468B2 (en) * | 2006-05-15 | 2012-01-18 | 財団法人電力中央研究所 | Load frequency control device and load frequency control method |
JP4784451B2 (en) * | 2006-09-12 | 2011-10-05 | 株式会社明電舎 | Control method and apparatus for engine bench system |
JP4788656B2 (en) * | 2007-05-16 | 2011-10-05 | 株式会社明電舎 | Power test system |
JP4766039B2 (en) * | 2007-11-30 | 2011-09-07 | 株式会社明電舎 | Control method of engine bench system |
JP5136247B2 (en) * | 2008-07-10 | 2013-02-06 | 株式会社明電舎 | Dynamometer control method for engine bench system |
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2010
- 2010-09-27 JP JP2010215211A patent/JP5605128B2/en active Active
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