SIMULATOR VISUAL SYSTEM INTRODUCTION:
The visual system, a major subsystem of the flight simulator, simulates what the pilot sees outside the cockpit, allowing the pilot to determine the aircraft’s attitude, position, altitude, speed, and weather. Advanced Visual System, is to use professional-level graphics generation system to produce the external scene of the cockpit, and then through the projection, display devices displayed. The visual system is the main window for pilots to obtain useful information in flight. The quality of graphics generation and display has a direct impact on whether the pilot can make a correct judgment of the scene, thus can respond in time and accurately, and affects the effect of simulation training. Since its establishment, Saida has been actively introducing world-class professional graphics generation and display technologies, combining our years of experience in the field of virtual reality and visual simulation engineering technology and visual database development experience, for domestic and foreign simulation, training, engineering, and other applications to provide users with a professional simulator visual system solutions, mainly by the landscape database generation system, graphics generation system and display system, as shown below (with the red font for Saida products and services) :

Cystar provides customer-oriented professional simulator visual system solutions that can meet the requirements of military and civilian simulator visual system, it can provide real-time out-of-window image (OTW) , lifelike picture, large display field of view, minimal system delay, and can generate global landscape database, as well as simulation training necessary airport, lighting, buildings, fields, rivers, oceans, roads, and other topographical features. It can also simulate different weather conditions such as visibility, fog, rain, snow, as well as daytime, dusk, night scenery and high-definition activities of the target. To meet the requirements of simulation training in various environments, it gives the driver the feeling of being in the real situation. And can meet the FAA  d class requirements and the same level of JAA requirements.

SIMULATOR VISUAL SYSTEM COMPOSITION:
GRAPHICS GENERATION SYSTEM:With COTS PC and FPGA technology, the professional simulator graphics generation system provided by SSD enables users to obtain realistic 3D scene and higher image quality and performance. The system is tightly integrated with hardware and software to maximize the performance of the rendering software and graphics cards. The system includes high, medium and low grade products, which can meet the different technical requirements of military and civilian.

Display System:
The main function of the display system is to display the graphic images produced by the graphic generation system to the pilot through certain display devices, which is the main window for the pilot to obtain useful information in flight. According to the different characteristics and principles of display imaging, it can be divided into real image display and virtual image display. The real image display system can be divided into forward projection display system and back projection display system according to the different projection modes. The flight simulator uses a spherical projection screen structure, the front projection screen display system, rear projection screen display system and virtual image display system provided by SSD can meet the technical requirements of military and civilian.

VISUAL DATABASE GENERATION SYSTEM:

The visual database consists mainly of digital elevation data, vector data, satellite image data of different accuracy, and airport model to form a complete database, according to the technical requirements of each flight simulator, each of the above data indicators are different. The database and airport model developed by Saisida meets the requirements of the evaluation and use rules of military and civil flight simulators. At the same time, the database is supplemented according to the specific requirements of users.

Simulator Visual System workflow:
The main simulation system receives the control signal from the simulated cockpit, and then transmits the calculated attitude parameters and the setting parameters of the instructor’s console to the graphics generation system While the graphics generation system returns the simulated state values (HAT, collision detection, etc.) to the main simulation system, the scene database is allocated to each channel rendering node in real time, the generated image is then fed through a video signal line into a geometric correction/edge fusion machine. After electronic edge fusion and geometric correction, the image is transmitted to the corresponding projector and projected onto the display device.

Category: EMULATORS