JPH0411794U - - Google Patents
Info
- Publication number
- JPH0411794U JPH0411794U JP5403290U JP5403290U JPH0411794U JP H0411794 U JPH0411794 U JP H0411794U JP 5403290 U JP5403290 U JP 5403290U JP 5403290 U JP5403290 U JP 5403290U JP H0411794 U JPH0411794 U JP H0411794U
- Authority
- JP
- Japan
- Prior art keywords
- fin
- blade angle
- angle signal
- fin blade
- sway
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011435 rock Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- Feedback Control In General (AREA)
Description
第１図は本考案の一実施例としての船体減揺フ
イン駆動制御装置の演算装置における指令フイン
翼角信号の生成過程を示す説明図、第２図は上記
船体減揺フイン駆動制御装置の全体構成図、第３
図は上記減揺フイン駆動制御装置におけるフイン
翼の特性を示す線図であり、第４，５図は従来の
減揺フインをそなえた船体の一例を示すもので、
第４図はその側面図、第５図はその背面図である
。
１……船体、２……横揺センサー、３……速度
センサー、４……演算装置、５……駆動装置、６
……減揺フイン、υ……速度信号、φ……横揺れ
角信号、φ〓……横揺れ角速度信号、Ｇφ〓……
角速度ゲイン、Ｇｍ……マスターゲイン、Ｇυ…
…速度ゲイン、α……フイン翼角、α１，α２，
α３……指令フイン翼角信号、αｍａｘ……フイ
ン翼の最大作動翼角、ＣＬ……フイン翼の揚力係
数、ＣＬｍａｘ……失速前のフイン翼最大揚力係
数、ＣＬｂｄ……フイン翼の翼角の増加に対する
揚力の増加の割合が減少し始める時点の揚力係数
。
FIG. 1 is an explanatory diagram showing the generation process of a command fin blade angle signal in a calculation unit of a ship body rock reduction fin drive control device as an embodiment of the present invention, and FIG. 2 is an overall diagram of the ship body rock reduction fin drive control device described above. Configuration diagram, 3rd
The figure is a diagram showing the characteristics of the fin blades in the above-mentioned rock reduction fin drive control device, and Figures 4 and 5 show an example of a ship body equipped with conventional rock reduction fins.
FIG. 4 is a side view thereof, and FIG. 5 is a rear view thereof. 1... Hull, 2... Rolling sensor, 3... Speed sensor, 4... Arithmetic device, 5... Drive device, 6
...Sway reduction fin, υ...Speed signal, φ...Rolling angle signal, φ〓...Rolling angular velocity signal, Gφ〓...
Angular velocity gain, G m ... Master gain, Gυ...
...Speed gain, α...Fin blade angle, α 1 , α 2 ,
α 3 ... Command fin blade angle signal, α max ... Maximum operating blade angle of fin blade, CL... Lift coefficient of fin blade, CL max ... Maximum lift coefficient of fin blade before stall, CL bd ... fin blade The lift coefficient at which the ratio of increase in lift to increase in wing angle begins to decrease.
Claims (1)
れ角の角速度に対応する揺れ角速度信号とに基づ
いて第１段階の指令フイン翼角信号を生成する第
１の演算部と、前記船体の速度に対応する速度信
号に基づいて前記第１段階の指令フイン翼角信号
を修正して第２段階の指令フイン翼角信号を生成
する第２の演算部と、前記船体の速度に対応して
あらかじめ設定されたフイン翼の限界作動翼角に
対応する限界フイン翼角信号に従つて、前記第２
段階の指令フイン翼角信号の絶対値を限界値内に
規制する第３の演算部とを有する演算装置と、同
演算装置の出力信号に従つて減揺フインの翼角を
設定するように前記減揺フインを駆動する駆動装
置とをそなえていることを特徴とする、船体減揺
フイン駆動制御装置。 a first calculation unit that generates a first stage command fin blade angle signal based on a sway angle signal corresponding to a sway angle of the ship body and a sway angular velocity signal corresponding to an angular velocity of the sway angle; and a speed of the ship body. a second calculation unit that corrects the first stage command fin blade angle signal based on a speed signal corresponding to the speed signal to generate a second stage command fin blade angle signal; According to the limit fin blade angle signal corresponding to the set limit operating blade angle of the fin blade, the second
a third calculation unit for regulating the absolute value of the command fin blade angle signal of the step within a limit value; A ship body rock reduction fin drive control device, comprising: a drive device for driving a rock reduction fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990054032U JP2547376Y2 (en) | 1990-05-23 | 1990-05-23 | Hull damper fin drive controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990054032U JP2547376Y2 (en) | 1990-05-23 | 1990-05-23 | Hull damper fin drive controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0411794U true JPH0411794U (en) | 1992-01-30 |
| JP2547376Y2 JP2547376Y2 (en) | 1997-09-10 |
Family
ID=31575734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990054032U Expired - Lifetime JP2547376Y2 (en) | 1990-05-23 | 1990-05-23 | Hull damper fin drive controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2547376Y2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4964318U (en) * | 1972-09-08 | 1974-06-05 | ||
| JPS4964319U (en) * | 1972-09-08 | 1974-06-05 | ||
| JPS4972615U (en) * | 1972-10-06 | 1974-06-24 | ||
| JPS50102722U (en) * | 1974-01-24 | 1975-08-25 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6025878A (en) * | 1983-07-25 | 1985-02-08 | Mitsui Eng & Shipbuild Co Ltd | Control of hydrofoil |
| JPS616095A (en) * | 1984-06-20 | 1986-01-11 | Mitsubishi Heavy Ind Ltd | Marine fin stabilizer |
-
1990
- 1990-05-23 JP JP1990054032U patent/JP2547376Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6025878A (en) * | 1983-07-25 | 1985-02-08 | Mitsui Eng & Shipbuild Co Ltd | Control of hydrofoil |
| JPS616095A (en) * | 1984-06-20 | 1986-01-11 | Mitsubishi Heavy Ind Ltd | Marine fin stabilizer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4964318U (en) * | 1972-09-08 | 1974-06-05 | ||
| JPS4964319U (en) * | 1972-09-08 | 1974-06-05 | ||
| JPS4972615U (en) * | 1972-10-06 | 1974-06-24 | ||
| JPS50102722U (en) * | 1974-01-24 | 1975-08-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2547376Y2 (en) | 1997-09-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |