JP4758498B2 - 機関回転数算出装置およびガバナ制御システム - Google Patents
機関回転数算出装置およびガバナ制御システム Download PDFInfo
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- JP4758498B2 JP4758498B2 JP2009160282A JP2009160282A JP4758498B2 JP 4758498 B2 JP4758498 B2 JP 4758498B2 JP 2009160282 A JP2009160282 A JP 2009160282A JP 2009160282 A JP2009160282 A JP 2009160282A JP 4758498 B2 JP4758498 B2 JP 4758498B2
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- 238000004364 calculation method Methods 0.000 title claims description 21
- 230000010349 pulsation Effects 0.000 claims description 47
- 238000002485 combustion reaction Methods 0.000 claims description 38
- 230000010354 integration Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 3
- 239000000446 fuel Substances 0.000 description 16
- 238000004880 explosion Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 9
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 238000005070 sampling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/023—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining the cylinder pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D45/00—Electrical control not provided for in groups F02D41/00 - F02D43/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
- F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
- F02D31/001—Electric control of rotation speed
- F02D31/007—Electric control of rotation speed controlling fuel supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0002—Controlling intake air
- F02D41/0007—Controlling intake air for control of turbo-charged or super-charged engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0097—Electrical control of supply of combustible mixture or its constituents using means for generating speed signals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0406—Intake manifold pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Description
図1は、本発明の一実施形態である舶用機関のガバナ制御システム全体の構成を示すブロック線図である。
Tp=T0+T−1+T−2+・・・+T−(Q−1)+D・T−Q (1)
このとき、回転数(RPM)は、以下の(2)式で求められる。
回転数(RPM)=60/{Z×(T0+T−1+・・・T−(Q−1)+D・T−Q)} (2)
Tp=(0.5+D/2)T0+T−1+T−2+
・・・+T−(Q−1)+(0.5+D/2)T−Q (3)
このとき、回転数(RPM)は、60/(Z×Tp)として求められる。
Tp=(1+D/2)T0+T−1+T−2+
・・・+T−(Q−2)+(1+D/2)T−(Q−1) (4)
このとき回転数(RPM)は、60/(Z×Tp)として求められる。
回転数(RPM)=60・(R/N)/(T0+T−1+・・・+T−(R−1)) (5)
11 内燃機関(主機)
12 回転数設定部
13 PID制御部
14 燃料ポンプ
15 主軸
16 ターニングギア
17 プロペラ
18 パルス信号発生装置(近接スイッチ)
19 回転数演算部
Claims (5)
- 内燃機関の1サイクルの回転に対応して複数のパルス信号を検出するパルス検出手段と、前記パルス信号から機関回転数を算出する回転数算出手段とを備え、
前記機関回転数が前記内燃機関の脈動周期を単位とする移動平均として算出され、
前記回転数算出手段が、隣接するパルス間の時間間隔Tiを前記脈動周期に対応する所定の数分連続して積算することにより前記脈動周期を求め、
前記1サイクルの回転において検出されるパルス信号の数をN、前記内燃機関のシリンダ数をZとするとき、前記所定の数がN/Zに対応し、
N/Zの整数部をQとするときに、前記脈動周期がQ個またはQ+1個の時間間隔Tiの積算を用いて算出され、
N/Zの小数部をDとするときに、前記時間間隔Tiの積算において前記小数部Dに対応する修正を行って前記脈動周期を算出し、
前記小数部Dに対応する修正値が、積算される前記時間間隔Tiのうち、最も過去の時間間隔を用いて算出される
ことを特徴とする機関回転数算出装置。 - 前記修正が、積算される前記時間間隔Tiのうち、更に最新の時間間隔を用いて算出されることを特徴とする請求項1に記載の機関回転数算出装置。
- 請求項1または請求項2の何れか一項に記載の機関回転数算出装置を用いたガバナ制御システム。
- 内燃機関の1サイクルの回転に対応して複数のパルス信号を検出し、
前記パルス信号から機関回転数を算出し、
前記機関回転数が前記内燃機関の脈動周期を単位とする移動平均として算出され、
隣接するパルス間の時間間隔Tiを前記脈動周期に対応する所定の数分連続して積算することにより前記脈動周期を求め、
前記1サイクルの回転において検出されるパルス信号の数をN、前記内燃機関のシリンダ数をZとするとき、前記所定の数がN/Zに対応し、
N/Zの整数部をQとするときに、前記脈動周期がQ個またはQ+1個の時間間隔Tiの積算を用いて算出され、
N/Zの小数部をDとするときに、前記時間間隔Tiの積算において前記小数部Dに対応する修正を行って前記脈動周期を算出し、
前記小数部Dに対応する修正値が、積算される前記時間間隔Tiのうち、最も過去の時間間隔を用いて算出される
ことを特徴とする機関回転数算出方法。 - 船体と、前記船体に搭載される内燃機関と、前記内燃機関の機関回転数を算出する機関回転数算出装置を備え、前記機関回転数算出装置が、内燃機関の1サイクルの回転に対応して複数のパルス信号を検出するパルス検出手段と、前記パルス信号から機関回転数を算出する回転数算出手段とを備え、
前記機関回転数が前記内燃機関の脈動周期を単位とする移動平均として算出され、
前記回転数算出手段が、隣接するパルス間の時間間隔Tiを前記脈動周期に対応する所定の数分連続して積算することにより前記脈動周期を求め、
前記1サイクルの回転において検出されるパルス信号の数をN、前記内燃機関のシリンダ数をZとするとき、前記所定の数がN/Zに対応し、
N/Zの整数部をQとするときに、前記脈動周期がQ個またはQ+1個の時間間隔Tiの積算を用いて算出され、
N/Zの小数部をDとするときに、前記時間間隔Tiの積算において前記小数部Dに対応する修正を行って前記脈動周期を算出し、
前記小数部Dに対応する修正値が、積算される前記時間間隔Tiのうち、最も過去の時間間隔を用いて算出される
ことを特徴とする船舶。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009160282A JP4758498B2 (ja) | 2009-07-06 | 2009-07-06 | 機関回転数算出装置およびガバナ制御システム |
TW099122121A TWI464320B (zh) | 2009-07-06 | 2010-07-06 | Engine speed calculation device and governor control system |
PCT/JP2010/061453 WO2011004810A1 (ja) | 2009-07-06 | 2010-07-06 | 機関回転数算出装置およびガバナ制御システム |
CN2010800305866A CN102472194B (zh) | 2009-07-06 | 2010-07-06 | 发动机转速算出装置以及调速器控制系统 |
KR1020127000117A KR101161647B1 (ko) | 2009-07-06 | 2010-07-06 | 기관 회전수 산출 장치 및 거버너 제어 시스템 |
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JP2009160282A JP4758498B2 (ja) | 2009-07-06 | 2009-07-06 | 機関回転数算出装置およびガバナ制御システム |
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JP4758498B2 true JP4758498B2 (ja) | 2011-08-31 |
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JP (1) | JP4758498B2 (ja) |
KR (1) | KR101161647B1 (ja) |
CN (1) | CN102472194B (ja) |
TW (1) | TWI464320B (ja) |
WO (1) | WO2011004810A1 (ja) |
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JP5940945B2 (ja) * | 2012-09-19 | 2016-06-29 | 日立オートモティブシステムズ株式会社 | 自動車用制御装置 |
EP3249411A1 (en) * | 2016-05-27 | 2017-11-29 | Schneider Electric Industries SAS | Method and device for determining the rotational speed of an engine |
CN108303569B (zh) * | 2017-12-31 | 2020-07-14 | 上海自动化仪表有限公司 | 汽轮机转速测量的误差修正方法 |
CN109142780A (zh) * | 2018-11-02 | 2019-01-04 | 徐州瑞田工程机械有限公司 | 一种汽车发动机转速检测系统 |
CN109507446A (zh) * | 2018-11-02 | 2019-03-22 | 徐州瑞田工程机械有限公司 | 一种汽车发动机转速检测方法 |
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JP4504604B2 (ja) * | 2001-09-20 | 2010-07-14 | 本田技研工業株式会社 | 汎用エンジンの制御装置 |
US6915777B2 (en) * | 2001-09-20 | 2005-07-12 | Honda Giken Kogyo Kabushiki Kaisha | Control system for general-purpose engine |
JP2003097339A (ja) * | 2001-09-20 | 2003-04-03 | Honda Motor Co Ltd | 汎用エンジンの制御装置 |
TWI221504B (en) * | 2001-10-23 | 2004-10-01 | Yamaha Motor Co Ltd | Engine control device |
TWI221880B (en) * | 2001-10-24 | 2004-10-11 | Yamaha Motor Co Ltd | Engine control device |
TWI224651B (en) * | 2001-11-30 | 2004-12-01 | Yamaha Motor Co Ltd | Engine controller |
AU2003236222A1 (en) * | 2002-07-31 | 2004-02-23 | Yamaha Hatsudoki Kabushiki Kaisha | Engine control device |
BR0313152A (pt) * | 2002-08-01 | 2005-06-28 | Yamaha Motor Co Ltd | Dispositivo de controle de motor |
JP2004183617A (ja) * | 2002-12-06 | 2004-07-02 | Kubota Corp | エンジンの回転数検出方法 |
JP2004293343A (ja) * | 2003-03-25 | 2004-10-21 | Yanmar Co Ltd | 空燃比制御システム |
JP4503631B2 (ja) * | 2007-05-18 | 2010-07-14 | 本田技研工業株式会社 | 内燃機関の制御装置 |
JP4856020B2 (ja) * | 2007-07-26 | 2012-01-18 | ヤンマー株式会社 | エンジン |
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CN102472194A (zh) | 2012-05-23 |
TW201107587A (en) | 2011-03-01 |
WO2011004810A1 (ja) | 2011-01-13 |
KR20120034711A (ko) | 2012-04-12 |
JP2011012663A (ja) | 2011-01-20 |
KR101161647B1 (ko) | 2012-07-03 |
TWI464320B (zh) | 2014-12-11 |
CN102472194B (zh) | 2013-05-22 |
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