In order to track aerial target using data from radars, we improved an adaptive extended Kalman filtering algorithm
based on "Current" Statistical Model. In this improved algorithm, the interval of acceleration probability distribution is
adjusted, and Singer model is adopted instead of "Current" Statistical Model when target in the low-level maneuver.
According to the real-time estimation of acceleration and its change rate, self-adaption of extremum of acceleration is
achieved. Based on the Monte Carlo simulation, we got the conclusion that aerial target in different maneuver situation
can be tracked quickly, especially in the low-level maneuver, the improvement of tracking precision is notable.
The virtual cockpit integrated display system designed can favorably meet the need of flight simulation, which was in the
form of, one head-up display plus three head-down multi-function displays. Through analysis of the demand of real-time
information during the different flight phases, the layout of the images of the multi-function displays was accomplished,
while the display and switch of various information images can be realized. The most important information was
emphasized in the image and the instrument, and backup images were also taken into consideration. Furthermore, virtual
mechanical instruments were included in the system, so that the reality and reliability of the display system were
upgraded. In order to optimize the system, the collocation of the switch keys, the format of the information items and the
color of the images were improved, based on some conclusions of visual ergonomics. The system offered a friendly
human-machine interface for the flight simulation. This paper focuses on the need of the simulation system and the
demand of ergonomics, and discusses the design and optimization of virtual cockpit integrated display system. In the
first section, the paper introduces the design of the frame of the system appearance; in the second section, on the basis of
the information originating from the simulation system, the head-down displays are designed, and according to the
importance grade of the information, the layout of the images are detailed; in the third section, the paper introduces the
optimization of the system, which is useful to visualize and standardize the information and to shorten the response time
of the pilot.
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