Objective: To implement malfunction simulation in spaceflight training simulator.
Method: The principle of malfunction simulation was defined according to spacecraft malfunction predict and its countermeasures. The malfunction patterns were classified, and malfunction type was confirmed. A malfunction simulation model was established, and the malfunction simulation was realized by math simulation.
Result: According to the requirement of astronaut training, a spacecraft subsystem malfunction simulation model was established and realized, such as environment control and life support, GNC, push, power supply, heat control, data management, measure control and communication, structure and so on.
Conclusion: The malfunction simulation function implemented in the spaceflight training simulator satisfied the requirements for astronaut training.
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