JP3628409B2 - Sea surface wave simulation visual field generation method and apparatus - Google Patents

Sea surface wave simulation visual field generation method and apparatus Download PDF

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JP3628409B2
JP3628409B2 JP34902495A JP34902495A JP3628409B2 JP 3628409 B2 JP3628409 B2 JP 3628409B2 JP 34902495 A JP34902495 A JP 34902495A JP 34902495 A JP34902495 A JP 34902495A JP 3628409 B2 JP3628409 B2 JP 3628409B2
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sea surface
surface wave
time
aircraft
simulated
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JPH09179486A (en
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厚 荒木
智子 新川
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Mitsubishi Precision Co Ltd
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Mitsubishi Precision Co Ltd
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Description

【０００１】
【産業上の利用分野】
この発明は、リアルタイム・シミュレータの繰り返し処理プロセスの中で、海面波の映像表示と航空機の運動の模擬計算とのそれぞれで最適な海面情報の処理を同時に行ない、それぞれの同期を図ることにより現実に近い着水の模擬を可能とした海面波模擬視界発生方法及びその装置に関するものである。
【０００２】
【従来の技術】
従来、例えば航空機の着水訓練を目的とした操縦訓練装置に用いる海面波模擬視界発生装置は、図３のように構成される。図３において、３０１は演算処理部、３０２は水力／空力計算部、３０３は教官卓、３０４は操縦席、３０５は模擬視界装置部、３０６は模擬視界発生装置、３０７は模擬視界表示装置である。図４は各部のタイミング図、図５は機体と海面（本明細書において、「海面」は、海面、湖面、沼面等の模擬する航空機が着水する水面をいう）及び波の位置関係を説明する図である。
【０００３】
操縦席３０４からは訓練者により操縦された操縦量が出力され、水力／空力計算部３０２に入力される。水力／空力計算部３０２は、模擬視界発生装置３０６からの現在時刻よりも操縦訓練者の操縦入力による模擬視界表示の応答時間前の波の状態と操縦席３０４からの操縦状態すなわち操縦量等により、機体に作用する空気力（空力の模擬）及び着水時に機体に作用する水力抵抗（水力の模擬）を計算し、運動方程式を解くことにより、機体の３次元空間における速度、位置（緯度、経度、高度）及び姿勢等を計算する。教官卓３０３からは風向、風速、海面状況（シー・ステイト）等が設定される。模擬視界発生装置３０６は、これらの設定情報と水力／空力計算部３０２の前記水力、空力の模擬による機体の位置姿勢等の情報を入力し、機体の位置姿勢等に応じてその機体の窓から見える海面を含む模擬視界を生成する。模擬視界表示装置３０７は模擬視界発生装置３０６で生成された模擬視界を表示し、視界情報として操縦席３０４の訓練者に目視できるようにする。訓練者はこの模擬視界を見ながら操縦を行なう。
【０００４】
【発明が解決しようとする課題】
水力／空力計算部３０２に入力される模擬視界発生装置３０６からの海面情報は、現在時刻よりも操縦訓練者の操縦入力による模擬視界表示の応答時間前の時刻の情報であり、機体の運動をリアルタイムに模擬することが困難であった。また、現在時刻に模擬視界表示装置３０７で表示される海面波の映像は現在時刻よりも訓練者の操縦入力による模擬視界表示の応答時間前の映像であり、着水時に航空機の運動と模擬視界との同期がとれず、訓練者に異和感を感じさせてしまうなどの問題点があった。
【０００５】
模擬視界装置部３０５の模擬視界発生装置３０６から演算処理部３０１の水力／空力計算部３０２に転送する波の状態に関するデータ量には制限があり、水力／空力の模擬を行うのに必要なデータをすべて転送することができないため、着水時の航空機の運動を十分に模擬することができなかった。
【０００６】
この発明の目的は、着水時の航空機の運動をリアルタイムに模擬することにより訓練者に異和感を感じさせない海面波模擬視界発生方法及びその装置を提供するものである。
【０００７】
この発明の目的は、航空機の運動と海面波の模擬視界との同期がとれ、訓練者に異和感を感じさせない海面波模擬視界発生方法及びその装置を提供するものである。
【０００８】
また、この発明の目的は、演算処理部と模擬視界装置部とのデータ転送量を少なくした海面波模擬視界発生方法及びその装置を提供するものである。
【０００９】
【課題を解決するための手段】
上記課題を解決するため本発明に係る映像処理方法は、リアルタイム・シミュレータの繰り返し処理プロセスの中で、演算処理部において、第１の３次元海面波模擬計算部が所定の海面波数式モデルにより現在時刻の航空機の運動の模擬に必要な３次元海面波情報を計算するとともに、運動模擬計算部が操縦状態と前記３次元海面波の情報とにより航空機の運動を計算し、模擬視界装置部において、第２の３次元海面波模擬計算部が現在時刻よりも操縦入力による模擬視界表示の応答時間後の時刻の海面波映像表示に必要な３次元海面波情報を前記海面波数式モデルと同一式により計算するとともに、映像発生処理部が前記演算処理部の運動模擬計算部からデータ転送された航空機の運動情報と模擬視界装置部の第２の３次元海面波模擬計算部で計算された前記時間後の時刻の３次元海面波情報とにより現在時刻よりも操縦入力による模擬視界表示の応答時間後の時刻の航空機から見た海面波の模擬視界映像を発生するものである。
【００１０】
また、本発明に係る映像処理装置は、所定の海面波数式モデルにより現在時刻の航空機の運動の模擬に必要な３次元海面波情報を計算する第１の３次元海面波模擬計算部と、操縦状態と前記第１の３次元海面波模擬計算部の３次元海面波情報とにより航空機の運動を計算する運動模擬計算部とを備える演算処理部と、前記所定の海面波数式モデルと同一式により現在時刻よりも操縦入力による模擬視界表示の応答時間後の時刻の海面波映像表示に必要な３次元海面波情報を計算する第２の３次元海面波模擬計算部と演算処理部からデータ転送された航空機の運動情報と前記第２の３次元海面波模擬計算部の３次元海面波情報とにより現在時刻よりも操縦入力による模擬視界表示の応答時間後の時刻の航空機から見た海面波の模擬視界映像を発生する映像発生処理部とを備える模擬視界発生装置とからなるものである。
【００１１】
【作用】
本発明に係る海面波模擬視界発生方法において、次のように作用する。演算処理部において現在時刻ｔの航空機の運動の模擬に必要な３次元海面波情報を計算するとともに、操縦状態と前記３次元海面波の情報とにより航空機の運動を計算する。模擬視界装置部において時刻ｔ＋Δｔ（Δｔ：操縦入力による模擬視界表示の応答時間）の海面波映像表示に必要な３次元海面波情報を計算する。演算処理部からの航空機の運動情報と、模擬視界装置部で計算された時刻ｔ＋Δｔの３次元海面波情報とにより航空機から見た海面波の模擬視界映像が生成される。海面波の模擬視界映像は、時刻ｔ＋Δｔにおいて、同時刻の海面波の映像が表示される。
【００１２】
また、本発明に係る海面波模擬視界発生装置は、次のように作用する。演算処理部内の第１の３次元海面波模擬計算部は、現在時刻ｔの航空機の運動の模擬に必要な３次元海面波情報を計算する。また、運動模擬計算部は、操縦状態と前記第１の３次元海面波模擬計算部の３次元海面波情報とにより航空機の運動を計算する。第２の３次元海面波模擬計算部において時刻ｔ＋Δｔの海面波映像表示に必要な３次元海面波情報を計算する。映像発生処理部は、演算処理部から送られた航空機の運動情報と、第２の３次元海面波模擬計算部で計算された時刻ｔ＋Δｔの３次元海面波情報とにより時刻ｔ＋Δｔの航空機から見た海面波の模擬視界映像を発生する。模擬視界映像は、時刻ｔ＋Δｔにおいて、海面波の映像と航空機の運動情報との同期がとられている。
【００１３】
【実施例】
以下本発明の実施例を図により説明する。図１は本発明を実施する機能ブロック図である。図２は本発明の各部のタイミング図である。図１において、１０１は演算処理部、１０２は教官卓計算部、１０３は第１の３次元海面波模擬計算部、１０４は機体の運動模擬計算部、１０５は教官卓、１０６は操縦席、１０７は模擬視界装置部、１０８は模擬視界発生装置、１０９は第２の３次元海面波模擬計算部、１１０は映像発生処理部、１１１は模擬視界表示装置である。
【００１４】
教官卓１０５において風向、風速、海面状況（シー・ステイト）等が選択され、この選択により教官卓計算部１０２で所定の状況情報に変換される。第１の３次元海面波模擬計算部１０３は、教官卓計算部１０２からの状況情報に応じて、所定の３次元海面波数式モデル；Ｈ（ｘ，ｙ，ｔ）を用いて、現在時刻ｔ、航空機の運動の模擬に必要な艇体各部すなわち各座標における３次元の海面波情報を算出する。海面波情報は、波の高さ、波盛り上がり速度、波盛り上がり加速度を含む。第１の３次元海面波模擬計算部１０３は、その海面波情報を機体の運動模擬計算部１０４に送るとともに、その現在時刻ｔ情報を模擬視界装置部１０７の第２の３次元海面波模擬計算部１０９に送る。前記３次元海面波数式モデルＨ（ｘ，ｙ，ｔ）に用いた３次元海面波数式モデルの係数；ａｉ ，ｋｉ ，Ｌｘｉ ，Ｌｙｉ ，ωｉ ，φｉ は、教官卓１０５において選択している風向、風速、海面状況等が変更された時のみ、第２の３次元海面波模擬計算部１０９に送る。操縦席１０６から機体の運動模擬計算部１０４には訓練内容に応じて操縦された操縦量が入力される。機体の運動模擬計算部１０４は、第１の３次元海面波模擬計算部１０３からの海面波情報（波の高さ、波盛り上がり速度、波盛り上がり加速度）と、操縦席１０６からの操縦状態すなわち操縦量等により、機体に作用する空気力及び着水時に機体に作用する水力抵抗を計算し運動方程式を解くことにより、機体の速度、位置、姿勢等を計算する。これら機体に関する位置等の情報は、模擬視界装置部１０７の映像発生処理部１１０に送られる。
【００１５】
第２の３次元海面波模擬計算部１０９は、第１の３次元海面波模擬計算部１０３における所定の数式モデルと同一式の３次元海面波数式モデル；Ｈ（ｘ，ｙ，ｔ）により、第１の３次元海面波模擬計算部１０３が計算する現在時刻ｔよりも操縦訓練者の操縦入力による模擬視界表示の応答時間後の時刻ｔ＋Δｔの海面波映像表示に必要な点について海面状況（波の状態）をＨ（ｘ，ｙ，ｔ＋Δｔ）により計算し、その海面波情報を映像発生処理部１１０に送る。
【００１６】
機体の運動模擬計算部１０４から映像発生処理部１１０に送られた航空機の運動情報と、第２の３次元海面波模擬計算部１０９で計算された時刻ｔ＋Δｔの３次元海面波情報とにより時刻ｔ＋Δｔの航空機から見た模擬視界映像を発生する。海面波の模擬視界映像は、時刻ｔ＋Δｔにおいて、時刻ｔ＋Δｔの海面波の映像が発生している。このビデオ信号は模擬視界表示装置に送られ、表示される。これを時刻ｔ＋Δｔにおいて操縦席１０６の訓練者が見ることができ、訓練者はこの同時刻ｔ＋Δｔの水面状況を見ながらリアルタイムな航空機の着水訓練をすることができる。
【００１７】
【発明の効果】
以上のように、本発明によれば、機体の運動模擬計算と模擬視界装置とにおいて、操縦入力による模擬視界表示の応答時間（Δｔ）分の時間差を考慮した異なる時刻の３次元海面波模擬計算を同時に行なって、機体の運動模擬と模擬視界映像表示とのそれぞれで最適な時刻の海面情報の処理を行なうので、リアルタイムな着水時の航空機の運動を模擬することができ、リアルタイムで表示された海面映像を目視しながらの操縦を可能にし、航空機の運動と模擬視界の同期が図られ、着水訓練時に訓練者が異和感を感じる等の問題を改善することができる。
【００１８】
また、３次元海面波模擬計算において、演算処理部では機体の運動模擬に必要な海面情報を、模擬視界装置部では、海面波映像表示に必要な海面波情報を各々処理していることにより、海面情報に関する転送データ量の大幅な削減を計ることができる。
【図面の簡単な説明】
【図１】本発明を実施する機能ブロック図である。
【図２】本発明の動作を説明する各部のタイミング図である。
【図３】従来の映像処理装置の機能ブロック図である。
【図４】従来の映像処理装置の動作を説明する各部のタイミング図である。
【図５】機体と海面及び波の位置関係を説明する図である。
【符号の説明】
１０１…演算処理部、１０２…教官卓計算部、１０３…第１の３次元海面波模擬計算部、１０４…機体の運動模擬計算部、１０５…教官卓、１０６…操縦席、１０７…模擬視界装置部、１０８…模擬視界発生装置、１０９…第２の３次元海面波模擬計算部、１１０…映像発生処理部、１１１…模擬視界表示装置。[0001]
[Industrial application fields]
In the present invention, in the repetitive processing process of the real-time simulator, the optimal sea level information processing is simultaneously performed in each of the image display of the sea surface wave and the simulation calculation of the movement of the aircraft, and the realization is achieved by synchronizing each of them. The present invention relates to a sea surface wave simulation visual field generation method and apparatus capable of simulating near water landing.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a sea surface wave simulation visual field generation device used for, for example, a pilot training device for aircraft landing training is configured as shown in FIG. In FIG. 3, 301 is an arithmetic processing unit, 302 is a hydraulic / aerodynamic calculation unit, 303 is a teacher's desk, 304 is a cockpit, 305 is a simulated visual field device, 306 is a simulated visual field generation device, and 307 is a simulated visual field display device. . 4 is a timing diagram of each part, FIG. 5 is a diagram showing the positional relationship between the aircraft, the sea surface (in this specification, “the sea surface” means the water surface where the simulated aircraft such as the sea surface, the lake surface, the swamp surface, etc. land). It is a figure explaining.
[0003]
From the cockpit 304, the maneuvering amount steered by the trainee is output and input to the hydraulic / aerodynamic calculation unit 302. The hydraulic / aerodynamic calculation unit 302 is based on the state of the wave before the response time of the simulated view display by the operation input of the operation trainer from the current time from the simulated view generation device 306 and the control state from the control seat 304, that is, the control amount. Calculate the aerodynamic force acting on the aircraft (simulation of aerodynamics) and the hydraulic resistance acting on the aircraft at the time of landing (simulation of hydraulic power), and solving the equation of motion, the velocity, position (latitude, Longitude, altitude) and posture are calculated. From the teacher table 303, the wind direction, wind speed, sea surface condition (sea state), etc. are set. The simulation view generation device 306 inputs the setting information and the hydraulic power / aerodynamic calculation unit 302 information such as the position and orientation of the aircraft by simulating the aerodynamic force, and from the window of the aircraft according to the position and orientation of the aircraft. Generate a simulated field of view including the visible sea level. The simulated view display device 307 displays the simulated view generated by the simulated view generation device 306 so that it can be viewed by a trainee in the cockpit 304 as view information. The trainee controls while watching this simulated view.
[0004]
[Problems to be solved by the invention]
The sea level information from the simulated visual field generator 306 input to the hydropower / aerodynamic calculation unit 302 is information on the time before the response time of the simulated visual field display by the operational input of the pilot trainer from the current time. It was difficult to simulate in real time. In addition, the sea wave image displayed on the simulated view display device 307 at the current time is an image before the response time of the simulated view display based on the pilot's control input from the current time. There was a problem such as making the trainee feel uncomfortable.
[0005]
There is a limit to the amount of data relating to the state of the waves transferred from the simulated visual field generator 306 of the simulated visual field device 305 to the hydraulic / aerodynamic calculator 302 of the arithmetic processing unit 301, and the data necessary to simulate hydraulic / aerodynamics Because it was not possible to transfer all of the aircraft, the movement of the aircraft at the time of landing could not be fully simulated.
[0006]
An object of the present invention is to provide a sea surface wave simulated visual field generation method and an apparatus thereof that do not make a trainee feel uncomfortable by simulating an aircraft movement at the time of landing in real time.
[0007]
SUMMARY OF THE INVENTION An object of the present invention is to provide a method and apparatus for generating a sea surface simulated visual field in which the motion of the aircraft and the simulated visual field of the sea surface wave can be synchronized and the trainee does not feel uncomfortable.
[0008]
It is another object of the present invention to provide a sea surface wave simulated visual field generation method and apparatus that reduce the data transfer amount between the arithmetic processing unit and the simulated visual field device unit.
[0009]
[Means for Solving the Problems]
In order to solve the above-described problem, the video processing method according to the present invention is such that, in the repetitive processing process of the real-time simulator , the first three-dimensional sea surface wave simulation calculation unit is In addition to calculating the three-dimensional sea surface wave information necessary for simulating the aircraft motion at the time, the motion simulation calculation unit calculates the aircraft motion based on the maneuvering state and the three-dimensional sea surface wave information . The second three-dimensional sea surface wave simulation calculation unit uses the same equation as the above-mentioned sea surface wave mathematical model to display the three-dimensional sea surface wave information necessary for displaying the sea surface wave image at the time after the response time of the simulated view display by the steering input from the current time. with computing, the image generation processing unit the arithmetic processing unit of the motion simulation calculator second three-dimensional sea wave simulation calculation of the motion information and the simulated view device portion of an aircraft that is data-transferred from the It is intended to generate a simulated sight picture of sea waves as viewed from the aircraft time after the response time of the simulated visual display by steering input than in 3-dimensional sea wave information and the current time calculated time after the time .
[0010]
In addition, the video processing apparatus according to the present invention includes a first three-dimensional sea surface wave simulation calculation unit that calculates three-dimensional sea surface wave information necessary for simulating aircraft motion at the current time using a predetermined sea surface wave mathematical model, An arithmetic processing unit including a motion simulation calculation unit that calculates the motion of the aircraft based on the state and the three-dimensional sea surface wave information of the first three-dimensional sea wave simulation calculation unit, and the same equation as the predetermined sea surface wave equation model Data is transferred from the second three-dimensional sea surface wave simulation calculation unit and the arithmetic processing unit that calculate the three-dimensional sea surface wave information necessary for displaying the sea surface wave image at the time after the response time of the simulated visual field display by maneuvering input from the current time. The simulation of the sea surface wave seen from the aircraft at the time after the response time of the simulated view display by maneuvering input rather than the current time based on the motion information of the aircraft and the 3D sea surface wave information of the second 3D sea surface wave simulation calculation unit Visibility video It is made of a simulated view generator and a video generating unit for.
[0011]
[Action]
The sea wave simulation visual field generation method according to the present invention operates as follows. The arithmetic processing unit calculates the three-dimensional sea surface wave information necessary for simulating the movement of the aircraft at the current time t, and calculates the movement of the aircraft based on the maneuvering state and the information of the three-dimensional sea surface wave. In the simulated visual field device unit, the three-dimensional sea surface wave information necessary for displaying the sea wave image at time t + Δt (Δt: response time of simulated visual field display by maneuvering input) is calculated. A simulated visual field image of the sea surface wave seen from the aircraft is generated from the motion information of the aircraft from the arithmetic processing unit and the three-dimensional sea surface wave information at time t + Δt calculated by the simulated visual field device unit. As the simulated visual field image of the sea surface wave, the image of the sea surface wave at the same time is displayed at time t + Δt.
[0012]
Moreover, the sea surface wave simulation visual field generation device according to the present invention operates as follows. The first three-dimensional sea surface wave simulation calculation unit in the arithmetic processing unit calculates three-dimensional sea surface wave information necessary for simulating the motion of the aircraft at the current time t. The motion simulation calculation unit calculates the motion of the aircraft based on the maneuvering state and the three-dimensional sea surface wave information of the first three-dimensional sea surface wave simulation calculation unit. The second three-dimensional sea surface wave simulation calculation unit calculates the three-dimensional sea surface wave information necessary for displaying the sea wave image at time t + Δt. The image generation processing unit is viewed from the aircraft at time t + Δt based on the aircraft motion information sent from the arithmetic processing unit and the three-dimensional sea surface wave information at time t + Δt calculated by the second three-dimensional sea surface wave simulation calculation unit. Generates a simulated visual field image of sea waves. In the simulated view image, the sea wave image and the aircraft motion information are synchronized at time t + Δt.
[0013]
【Example】
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a functional block diagram for implementing the present invention. FIG. 2 is a timing chart of each part of the present invention. In FIG. 1, 101 is an arithmetic processing unit, 102 is an instructor desk calculation unit, 103 is a first three-dimensional sea surface wave simulation calculation unit, 104 is an aircraft motion simulation calculation unit, 105 is an instructor table, 106 is a cockpit, 107 Is a simulated visual field device, 108 is a simulated visual field generation device, 109 is a second three-dimensional sea surface wave simulation calculation unit, 110 is a video generation processing unit, and 111 is a simulated visual field display device.
[0014]
A wind direction, wind speed, sea state (sea state), and the like are selected in the teacher table 105, and the selection is converted into predetermined situation information by the teacher table calculation unit 102. The first three-dimensional sea surface wave simulation calculation unit 103 uses a predetermined three-dimensional sea surface wave mathematical model; H (x, y, t) in accordance with the situation information from the instructor table calculation unit 102 to determine the current time t. The three-dimensional sea surface wave information in each part of the hull, that is, each coordinate necessary for simulating the aircraft motion is calculated. The sea surface wave information includes wave height, wave rising speed, and wave rising acceleration. The first three-dimensional sea surface wave simulation calculation unit 103 sends the sea surface wave information to the motion simulation calculation unit 104 of the airframe, and uses the current time t information as the second three-dimensional sea surface wave simulation calculation of the simulated visual field device unit 107. Send to part 109. The coefficients of the three-dimensional sea wave mathematical model used for the three-dimensional sea wave mathematical model H (x, y, t); ai, ki, Lxi, Lyi, ωi, φi are the wind direction selected in the teacher table 105, Only when the wind speed, the sea surface condition, etc. are changed, it is sent to the second three-dimensional sea surface wave simulation calculation unit 109. The maneuvering amount steered according to the training content is input from the cockpit 106 to the motion simulation calculation unit 104 of the aircraft. The motion simulation calculation unit 104 of the fuselage receives the sea surface wave information (wave height, wave rising speed, wave rising acceleration) from the first three-dimensional sea surface wave simulation calculating unit 103 and the maneuvering state from the cockpit 106, ie, maneuvering. The speed, position, posture, etc. of the aircraft are calculated by calculating the aerodynamic force acting on the aircraft and the hydraulic resistance acting on the aircraft at the time of landing by solving the equations of motion. Information such as the position relating to the aircraft is sent to the image generation processing unit 110 of the simulated visual field device unit 107.
[0015]
The second three-dimensional sea surface wave simulation calculation unit 109 uses the same three-dimensional sea surface wave mathematical model as the predetermined mathematical model in the first three-dimensional sea surface wave simulation calculation unit 103; H (x, y, t), The surface conditions (waves) of the points necessary for the sea surface wave image display at time t + Δt after the response time of the simulated view display by the operation input of the pilot trainer from the current time t calculated by the first three-dimensional sea surface wave simulation calculation unit 103 ) Is calculated by H (x, y, t + Δt), and the sea surface wave information is sent to the image generation processing unit 110.
[0016]
Time t + Δt based on the aircraft motion information sent from the motion simulation calculation unit 104 to the image generation processing unit 110 and the three-dimensional sea surface wave information at the time t + Δt calculated by the second three-dimensional sea surface wave simulation calculation unit 109. Generates a simulated field of view seen from the aircraft. As for the simulated visual field image of the sea surface wave, an image of the sea surface wave at time t + Δt is generated at time t + Δt. This video signal is sent to the simulated view display device and displayed. This can be seen by the trainer at the cockpit 106 at time t + Δt, and the trainer can perform landing training of the aircraft in real time while observing the water surface condition at this time t + Δt.
[0017]
【The invention's effect】
As described above, according to the present invention, the three-dimensional sea surface wave simulation calculation at different times in consideration of the time difference corresponding to the response time (Δt) of the simulated visual field display by the steering input in the motion simulation calculation and the simulated visual field device of the aircraft. Simultaneously, the sea surface information at the optimal time is processed for each of the aircraft motion simulation and the simulated view image display, so that the aircraft motion at the time of landing can be simulated and displayed in real time. This enables maneuvering while viewing the sea surface image, synchronizing the aircraft motion with the simulated field of view, and improving problems such as the trainee feeling uncomfortable during landing training.
[0018]
Also, in the three-dimensional sea surface wave simulation calculation, the arithmetic processing unit processes sea surface information necessary for aircraft motion simulation, and the simulated visual field device unit processes sea surface wave information necessary for sea surface wave image display, It is possible to greatly reduce the amount of data transferred with respect to sea level information.
[Brief description of the drawings]
FIG. 1 is a functional block diagram for implementing the present invention.
FIG. 2 is a timing chart of each part for explaining the operation of the present invention.
FIG. 3 is a functional block diagram of a conventional video processing apparatus.
FIG. 4 is a timing chart of each part for explaining the operation of a conventional video processing apparatus.
FIG. 5 is a diagram illustrating the positional relationship between the aircraft, the sea surface, and waves.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 101 ... Operation processing part, 102 ... Instructor desk calculation part, 103 ... 1st three-dimensional sea surface wave simulation calculation part, 104 ... Motion simulation calculation part of a fuselage, 105 ... Instructor table, 106 ... Pilot seat, 107 ... Simulated visual field apparatus 108, a simulated visual field generation device, 109, a second three-dimensional sea surface wave simulation calculation unit, 110, an image generation processing unit, 111, a simulated visual field display device.

Claims (2)

リアルタイム・シミュレータの繰り返し処理プロセスの中で、演算処理部において、第１の３次元海面波模擬計算部が所定の海面波数式モデルにより現在時刻の航空機の運動の模擬に必要な３次元海面波情報を計算するとともに、運動模擬計算部が操縦状態と前記３次元海面波の情報とにより航空機の運動を計算し、模擬視界装置部において、第２の３次元海面波模擬計算部が現在時刻よりも操縦入力による模擬視界表示の応答時間後の時刻の海面波映像表示に必要な３次元海面波情報を前記海面波数式モデルと同一式により計算するとともに、映像発生処理部が前記演算処理部の運動模擬計算部からデータ転送された航空機の運動情報と模擬視界装置部の第２の３次元海面波模擬計算部で計算された前記時間後の時刻の３次元海面波情報とにより現在時刻よりも操縦入力による模擬視界表示の応答時間後の時刻の航空機から見た海面波の模擬視界映像を発生することを特徴とする海面波模擬視界発生方法。In the repetitive processing process of the real-time simulator, in the arithmetic processing unit , the first three-dimensional sea surface wave simulation calculation unit uses the predetermined sea surface wave mathematical model to simulate the three-dimensional sea surface wave information necessary for simulating the aircraft motion at the current time. And the motion simulation calculation unit calculates the motion of the aircraft based on the maneuvering state and the information of the three-dimensional sea surface wave. In the simulated visual field device unit , the second three-dimensional sea surface wave simulation calculation unit The three-dimensional sea surface wave information necessary for the sea surface wave image display at the time after the response time of the simulated view display by maneuvering input is calculated by the same formula as the sea surface wave mathematical model, and the image generation processing unit moves the arithmetic processing unit . 3D and sea wave information at a later time calculated the time in the second three-dimensional sea wave simulating calculation of the motion information and the simulated view device portion of an aircraft that is data-transferred from the simulation calculation section Sea waves simulated vision generation method characterized by generating a simulated sight picture of sea waves as viewed from the simulated field of view display time of the aircraft after the response time of the by steering input than a current time. 所定の海面波数式モデルにより現在時刻の航空機の運動の模擬に必要な３次元海面波情報を計算する第１の３次元海面波模擬計算部と、操縦状態と前記第１の３次元海面波模擬計算部の３次元海面波情報とにより航空機の運動を計算する運動模擬計算部とを備える演算処理部と、前記所定の海面波数式モデルと同一式により現在時刻よりも操縦入力による模擬視界表示の応答時間後の時刻の海面波映像表示に必要な３次元海面波情報を計算する第２の３次元海面波模擬計算部と演算処理部からデータ転送された航空機の運動情報と前記第２の３次元海面波模擬計算部の３次元海面波情報とにより現在時刻よりも操縦入力による模擬視界表示の応答時間後の時刻の航空機から見た海面波の模擬視界映像を発生する映像発生処理部とを備える模擬視界発生装置とからなることを特徴とする海面波模擬視界発生装置。A first three-dimensional sea surface wave simulation calculation unit for calculating three-dimensional sea surface wave information necessary for simulating the aircraft motion at the current time using a predetermined sea surface wave mathematical model; a control state; and the first three-dimensional sea surface wave simulation An arithmetic processing unit comprising a motion simulation calculation unit for calculating aircraft motion based on the three-dimensional sea surface wave information of the calculation unit, and a simulated visual field display by maneuvering input from the current time by the same formula as the predetermined sea wave wave model. The second three-dimensional sea surface wave simulation calculation unit for calculating the three-dimensional sea surface wave information necessary for displaying the sea surface wave image at the time after the response time, the aircraft motion information transferred from the arithmetic processing unit, and the second 3 A video generation processing unit for generating a simulated visual field image of the sea surface wave as seen from the aircraft at a time after the response time of the simulated visual field display by maneuvering input rather than the current time based on the three-dimensional sea surface wave information of the three-dimensional sea surface wave simulation calculation unit Preparation Sea waves simulated vision generation apparatus characterized by comprising a field generator.
JP34902495A 1995-12-21 1995-12-21 Sea surface wave simulation visual field generation method and apparatus Expired - Fee Related JP3628409B2 (en)

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