A Method of Improving Calculation Efficiency of Load Voltage and Current of Launch Vehicle

Abstract

The present invention relates to a method for improving rocket load voltage and current calculation efficiency. The method comprises the following steps: S1. obtaining an electrical system circuit model according to a rocket electrical system principle diagram; S2. according to a time sequence and load on / off states in different times during a rocket flight process, obtaining a flight time sequence matrix; S3. according to the flight time sequence matrix and a battery discharge curve, obtaining battery voltage values in different times during rocket flight; S4. obtaining a cable resistance of each part; S5. respectively obtaining the resistance of an electromagnetic valve load and an initiating explosive device load; S6. respectively obtaining a circuit model of the electromagnetic valve load and the initiating explosive device load; S7. respectively obtaining a voltage calculation formula according to the respective circuit model; and S8. respectively converting the voltage calculation formulas into a calculation matrix, taking the values obtained from S3 to S5 into the calculation matrix for calculation, obtaining an electromagnetic valve load voltage value and an initiating explosive device load current value. The method disclosed by the present invention enables rocket load voltage and current calculation efficiency to be improved significantly, and accuracy is also improved.

Description

technical field [0001] The invention relates to a voltage and current calculation method, in particular to a method capable of improving the calculation efficiency of the launch vehicle load voltage and current. Background technique [0002] The electrical system is an integral part of the launch vehicle, including power supply and distribution systems, timing systems, telemetry systems, and more. During the flight of the launch vehicle, the power supply characteristics of the battery are constantly changing. In order to ensure that the load on the rocket can be started and closed normally during the flight, and the launch mission is a complete success, the electrical system of the launch vehicle needs to be installed after the system schematic design is completed. For design, the electrical system must calculate the voltage and current of solenoid valves, pyrotechnics and other loads during the flight based on the cable resistance and the flight sequence, so as to verify wh...

AI Technical Summary

Problems solved by technology

[0003] The problem solved by the invention is that the calculation method of the load voltage and current of the launch vehicle is complicated and the accuracy is not high

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