A high-precision modular event timing system

By using a modular event timing system based on the MicroTCA.4 standard and Zynq SoC architecture, the problems of insufficient hardware modularity and scalability are solved, achieving nanosecond-level event triggering accuracy and signal transmission stability, making it suitable for high-precision industrial control and scientific research experiments.

CN121764299BActive Publication Date: 2026-07-24CHINA SPALLATION NEUTRON SOURCE SCI CENT +1
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Patent Information

Application Number
CN202511681757.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-11-17
Publication Date
2026-07-24
Estimated Expiration
2045-11-17

AI Technical Summary

Technical Problem

Existing event timing devices suffer from insufficient hardware modularity and scalability, making it difficult to meet the requirements of multi-channel synchronous control and flexible configuration. Traditional mLVDS signal transmission methods are prone to signal conflicts and bandwidth bottlenecks, failing to meet the needs of high-precision and high-stability industrial control and scientific research experiments.

Method used

The system employs a high-precision modular event timing system based on the MicroTCA.4 standard and Zynq SoC architecture, including the Zynq SoC timing main logic AMC board, RTM board, FMC board, and terminal matching board. Through AXI bus communication and high-speed photoelectric conversion technology, it achieves nanosecond-level event timing accuracy and multi-level interface adaptation, and supports dynamic configuration and independent signal control.

Benefits of technology

It achieves nanosecond-level event triggering accuracy, improves the system's flexibility and scalability, enhances the real-time performance and stability of signal transmission, adapts to different application scenarios, and meets the needs of high-precision and high-reliability industrial control and scientific research experiments.

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Abstract

The application belongs to the field of embedded system and real-time control technology, and is a high-precision modular event timing system based on microTCA.4 standard and Zynq SoC architecture, which is suitable for industrial control and other scenes with high requirements for time synchronization precision and system stability, adopts a Zynq SoC timing main logic AMC board card conforming to the microTCA.4 standard, uses a ZYNQ-7045 SOC industrial chip, has a heterogeneous firmware module based on the Zynq SoC, supports nanosecond-level event timing precision at the PL end, and realizes high-speed communication between the PS end and the PL end through an AXI bus, has a point-to-point signal real-time transmission and sharing mechanism based on mLVDS, has a standard backplane signal output board card and multiple high-speed photoelectric conversion terminal matching board cards, and fully gives play to the advantages of FPGA, realizes core functions, constructs a high-precision, flexible and expandable system, and improves the performance of the event timing system.
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