JP2018100073A - 2軸船のリアルタイム振動情報とプロペラ回転角調整による変動圧力低減方法 - Google Patents
2軸船のリアルタイム振動情報とプロペラ回転角調整による変動圧力低減方法 Download PDFInfo
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- JP2018100073A JP2018100073A JP2017127803A JP2017127803A JP2018100073A JP 2018100073 A JP2018100073 A JP 2018100073A JP 2017127803 A JP2017127803 A JP 2017127803A JP 2017127803 A JP2017127803 A JP 2017127803A JP 2018100073 A JP2018100073 A JP 2018100073A
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- rotation angle
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000004458 analytical method Methods 0.000 claims abstract description 10
- 230000001133 acceleration Effects 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B79/00—Monitoring properties or operating parameters of vessels in operation
- B63B79/30—Monitoring properties or operating parameters of vessels in operation for diagnosing, testing or predicting the integrity or performance of vessels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H3/00—Propeller-blade pitch changing
- B63H3/008—Propeller-blade pitch changing characterised by self-adjusting pitch, e.g. by means of springs, centrifugal forces, hydrodynamic forces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H3/00—Propeller-blade pitch changing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B79/00—Monitoring properties or operating parameters of vessels in operation
- B63B79/10—Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B79/00—Monitoring properties or operating parameters of vessels in operation
- B63B79/40—Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- B63H1/14—Propellers
- B63H1/28—Other means for improving propeller efficiency
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H3/00—Propeller-blade pitch changing
- B63H3/10—Propeller-blade pitch changing characterised by having pitch control conjoint with propulsion plant control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/125—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J99/00—Subject matter not provided for in other groups of this subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
- G01H1/003—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- B63H1/14—Propellers
- B63H1/18—Propellers with means for diminishing cavitation, e.g. supercavitation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/08—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Vibration Prevention Devices (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
まず、振動センサシステム1が2個のプロペラ71,72の相対回転角別振動信号を計測した後、計測した振動信号情報を振動分析システム10に伝送する。
振動分析システム10が2個のプロペラ71,72の相対回転角別振動信号を分析して最小の振動が発生する最適相対回転角を決定する。
各シャフト61,62に取り付けられるエンコーダ31,32がプロペラ71,72の回転数及び回転角の情報を収集した後、収集した情報を制御器20に伝送する。
制御器20が2個のプロペラ71,72の相対回転角を計算する。
プロペラ位相制御システム40は、制御器20の制御命令に従って2個のプロペラ71,72の相対回転角を最適相対回転角に一致させるための制御を実行する。
10 振動分析システム
20 制御器
31,32 エンコーダ
40 プロペラ位相制御システム
50 エンジンシステム
61,62 シャフト
71,72 プロペラ
Claims (4)
- 2軸船の2個のプロペラ(71,72)で発生する変動圧力時間履歴の位相差を調整することによって全体の変動圧力を低減し、
前記変動圧力時間履歴の位相差の調整は、2個の前記プロペラ(71,72)の相対回転角の調整により達成されることを特徴とする2軸船のリアルタイム振動情報とプロペラ回転角の調整による変動圧力低減方法。 - 2軸船のリアルタイム振動情報とプロペラ回転角の調整による変動圧力低減方法であって、
振動センサシステム(1)が2個のプロペラ(71,72)の相対回転角別振動信号を計測し、計測した振動信号情報を振動分析システム(10)に伝送する段階S0と、
前記振動分析システム(10)が2個の前記プロペラ(71,72)の相対回転角別振動信号を分析して最小の振動が発生する最適相対回転角を決定し、前記決定した最適相対回転角情報を制御器(20)に伝送する段階S1と、
各シャフト(61,62)に取り付けられたエンコーダ(31,32)が2個の前記プロペラ(71,72)の回転数及び回転角の情報を収集し、収集した情報を前記制御器(20)に伝送する段階S2と、
前記制御器(20)が2個のプロペラ(71,72)の相対回転角を計算し、前記相対回転角と前記最適相対回転角とを比較し、前記相対回転角を前記最適相対回転角に一致させるための制御命令をプロペラ位相制御システム(40)に伝送する段階S3と、
前記プロペラ位相制御システム(40)が前記制御器(20)の前記制御命令に従って2個の前記プロペラ(71,72)の前記相対回転角を前記最適相対回転角に一致させるための制御を実行する段階S4と、
を有することを特徴とする変動圧力低減方法。 - 前記段階S0において、前記振動センサシステム(1)は、単一又は複数の加速度センサで構成され、前記加速度センサは、変動圧力による船体振動の影響が大きい前記プロペラ(71,72)の上方の船体内部に設置されることを特徴とする請求項2に記載の変動圧力低減方法。
- 前記段階S4において、前記プロペラ位相制御システム(40)は、2個の前記プロペラ(71,72)のうちいずれか一つの前記プロペラ(71又は72)の回転数を徐々に増加あるいは減少させ、それによって前記相対回転角を前記最適相対回転角に一致させることを特徴とする請求項2に記載の変動圧力低減方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020160173705A KR101879515B1 (ko) | 2016-12-19 | 2016-12-19 | 쌍축선의 실시간 진동 정보와 프로펠러 회전각 조절을 통한 변동압력 저감 방법 |
KR10-2016-0173705 | 2016-12-19 |
Publications (2)
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JP2018100073A true JP2018100073A (ja) | 2018-06-28 |
JP6481837B2 JP6481837B2 (ja) | 2019-03-13 |
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JP2017127803A Active JP6481837B2 (ja) | 2016-12-19 | 2017-06-29 | 2軸船のリアルタイム振動情報とプロペラ回転角調整による変動圧力低減方法 |
Country Status (5)
Country | Link |
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US (1) | US10077099B2 (ja) |
JP (1) | JP6481837B2 (ja) |
KR (1) | KR101879515B1 (ja) |
CN (1) | CN108202852B (ja) |
WO (1) | WO2018117356A1 (ja) |
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KR102559167B1 (ko) * | 2018-10-04 | 2023-07-26 | 한화오션 주식회사 | 선박의 능동형 기계식 동위상 제어장치 |
CN109334925A (zh) * | 2018-10-22 | 2019-02-15 | 谭国祯 | 矢量推进式潜艇 |
KR102629766B1 (ko) * | 2023-09-01 | 2024-01-29 | 주식회사 모쓰 | 캐비테이션 저감을 위한 선박용 프로펠러 회전속도 제어 장치 |
KR102610005B1 (ko) * | 2023-09-01 | 2023-12-05 | 주식회사 모쓰 | 캐비테이션 저감을 위한 선박용 프로펠러 회전속도 제어 방법 |
CN116902164B (zh) * | 2023-09-14 | 2023-11-21 | 常州市戍海智能技术有限公司 | 一种无人船航行稳定性能模拟试验系统 |
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JPS5613293A (en) * | 1979-07-16 | 1981-02-09 | Fuji Heavy Ind Ltd | Device for reducing noise in twinnengined aircraft |
JPS61232983A (ja) * | 1985-04-08 | 1986-10-17 | Mitsui Eng & Shipbuild Co Ltd | 水中音の計測装置 |
JPH02204659A (ja) * | 1989-02-01 | 1990-08-14 | Mitsubishi Heavy Ind Ltd | ディーゼル主機関同期運転装置 |
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2016
- 2016-12-19 KR KR1020160173705A patent/KR101879515B1/ko active IP Right Grant
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- 2017-06-15 WO PCT/KR2017/006283 patent/WO2018117356A1/ko active Application Filing
- 2017-06-29 JP JP2017127803A patent/JP6481837B2/ja active Active
- 2017-07-03 US US15/641,132 patent/US10077099B2/en active Active
- 2017-07-04 CN CN201710537416.0A patent/CN108202852B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5613293A (en) * | 1979-07-16 | 1981-02-09 | Fuji Heavy Ind Ltd | Device for reducing noise in twinnengined aircraft |
JPS61232983A (ja) * | 1985-04-08 | 1986-10-17 | Mitsui Eng & Shipbuild Co Ltd | 水中音の計測装置 |
JPH02204659A (ja) * | 1989-02-01 | 1990-08-14 | Mitsubishi Heavy Ind Ltd | ディーゼル主機関同期運転装置 |
JPH02299997A (ja) * | 1989-05-12 | 1990-12-12 | Mitsubishi Heavy Ind Ltd | 多機多軸推進船の調相装置 |
US5150855A (en) * | 1989-10-20 | 1992-09-29 | Fokker Aircraft B.C. | Propeller blade position controller |
JP2006137336A (ja) * | 2004-11-12 | 2006-06-01 | Mitsubishi Heavy Ind Ltd | 船体振動低減方法及び低振動船舶 |
JP2010036600A (ja) * | 2008-07-31 | 2010-02-18 | Mitsubishi Heavy Ind Ltd | プロペラによる船体表面の変動圧力推定装置及び方法並びにプログラム |
Also Published As
Publication number | Publication date |
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KR101879515B1 (ko) | 2018-07-18 |
WO2018117356A1 (ko) | 2018-06-28 |
CN108202852A (zh) | 2018-06-26 |
CN108202852B (zh) | 2019-11-22 |
JP6481837B2 (ja) | 2019-03-13 |
KR20180071016A (ko) | 2018-06-27 |
US10077099B2 (en) | 2018-09-18 |
US20180170498A1 (en) | 2018-06-21 |
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