研究目的
To design a control system for Semiconductor Bridge explosive devices based on optical fiber communication that performs better in complex electromagnetic environments.
研究成果
The program-controlled initiation system of the SCB explosive devices based on optical fiber communication realizes remote-control and improves safety and reliability in complex electromagnetic environments. It supports programmable time sequence control with precision up to 1ms, combining advantages of traditional electrical explosive devices and new laser initiating devices.
研究不足
The separation of control signal and ignition signal increases system complexity, requiring reliability in control program, fiber-optical performance, bus performance, and hardware switch to ensure effective ignition.
1：Experimental Design and Method Selection:
The system is divided into a bus controller (control end) and an ignition unit (trigger end), utilizing optical fiber communication for signal transmission.
2：Sample Selection and Data Sources:
SCB explosive devices are used, with control signals transmitted via optical fiber.
3：List of Experimental Equipment and Materials:
Includes microcontrollers (PIC18F4580, PIC16F877A), optical fiber converters, RS485 communication chips, and SCB initiators.
4：Experimental Procedures and Operational Workflow:
The bus controller generates and encodes control signals, transmitted via optical fiber to the ignition unit, which then sends ignition signals to the explosive devices.
5：Data Analysis Methods:
Simulation using Proteus software to determine appropriate resistance and capacitance models, followed by testing of synchronous and asynchronous ignition functions and anti-electromagnetic interference performance.
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