Auxiliary power system control method based on finite-state machine and electronic controller
A finite state machine and auxiliary power technology, which is applied to auxiliary power equipment, aircraft parts, transportation and packaging, etc., can solve the problems of increasing the difficulty of locating faults, the inability of data to support troubleshooting content, complex control logic, etc.
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[0172] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0173] Such as figure 1 As shown, the working states of the auxiliary power system in the control strategy based on the finite state machine in this embodiment include: standby state, door open state, APU start-up dynamic, APU steady state, EPU start-up dynamic, EPU steady state, EPU switching APU state, boot state Gas control state, normal parking state, protective parking state, door closing state, other starting states and early starting states.
[0174] The following steps are used to complete the entire control process:
[0175] 1. When the auxiliary power system is in the standby state, the relevant operations of power-on self-inspection and system initialization should be completed;
[0176] 1.1. When the start command is received, the entry state should be judged according to the specific working conditions at the start time;
[0177...
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