A high-speed acquisition electronics system for a beam position probe and methods of using the same
By designing a high-speed acquisition electronics system for the beam position detector, the problem of insufficient signal conditioning function in the existing technology was solved, realizing high-precision and high-time-efficiency beam position and closed-track position measurement, reducing measurement cost and improving the measurement accuracy and resolution of the system.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- INST OF MODERN PHYSICS CHINESE ACADEMY OF SCI
- Filing Date
- 2023-02-17
- Publication Date
- 2026-04-17
AI Technical Summary
Existing electronics products cannot meet the signal conditioning requirements of beam position detectors, and the internal digital signal processing algorithms of dedicated BPM electronics produced by Instrumentation Technologies are not accessible to users, resulting in high measurement costs and poor system measurement accuracy and timeliness.
A high-speed acquisition electronics system for a beam position detector was designed, including a digital input channel, a coupling module, a gain selection module, an FPGA module, a storage module, a power management module, a reference clock module, and a protection circuit. An ADC module is used for signal conversion and processing, and an anti-aliasing filter is set to prevent frequency aliasing, so as to realize real-time measurement of beam position and closed-track position.
It achieves flexible signal coupling methods and range gain control, reduces operation and maintenance complexity, improves the accuracy and resolution of beam position measurement, reduces manufacturing costs, and can publish measurement results to the external accelerator control system in real time.
Smart Images
Figure CN116203616B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of accelerator beam diagnostic measurement technology, and in particular to a high-speed acquisition electronics system for a beam position detector and its usage method. Background Technology
[0002] To explore major frontier scientific questions such as high-energy-density physics, the limits and exotic structures of atomic nuclei, and the origins of elements from iron to uranium in the universe, nuclear physicists are increasingly demanding higher flux and beam energy from heavy-ion accelerators to provide the necessary research conditions. Achieving synchrotron beam position measurement, closed-track position measurement, and feedback is one of the effective methods for obtaining high-fluidity proton or heavy-ion beams. Closed-track measurement and feedback are problems that must be addressed in the design of high-fluidity proton or heavy-ion synchrotrons. Because the interaction of various factors during the heavy-ion ramping process, the mirror charge generated in the vacuum tube, and beta oscillations can all cause operating point drift, leading to beam trajectory distortion, it is necessary to revise the closed-track correction response matrix to achieve correct trajectory correction. Without a targeted closed-track measurement and feedback control system, and without effective beam trajectory correction and control, it is difficult to generate a beam that meets the requirements of physical experiments such as plasma physics and high-energy-density physics.
[0003] In heavy ion synchros, the position information calculated using a non-interceptor beam position system (BPM) allows for real-time monitoring of the accelerator beam's operating point, beam position, and other operational statuses. It also enables the measurement of parameters such as closed-track alignment for track correction, facilitating accelerator parameter optimization and machine protection. Furthermore, it allows for the study of beam instabilities and aids physicists in conducting detailed beam optics research. The development of bunch-by-bundle beam position measurement methods in accelerators facilitates more detailed studies of beam impedance, coupling instabilities, nonlinear dynamics, and injection processes. These studies provide a powerful tool for beam diagnosticians and accelerator physicists.
[0004] However, currently available electronic products cannot meet the specific signal conditioning functions of BPM, and the internal digital signal processing algorithms of dedicated BPM electronics produced by Instrumentation Technologies (IT) are not open to users. Algorithm optimization and sustainable equipment upgrades are very difficult, resulting in high measurement costs and significantly affecting the measurement accuracy and timeliness of the system. Summary of the Invention
[0005] To address the aforementioned problems, the purpose of this invention is to provide a high-speed acquisition electronics system for a beam position detector with high measurement accuracy and timeliness, and a method for using it.
[0006] To achieve the above objectives, the present invention adopts the following technical solution: On one hand, it provides a high-speed acquisition electronics system for a beam position detector, comprising:
[0007] The digital input channel is used to receive trigger acquisition signals, sampling event signals, and high-frequency reference signals;
[0008] Coupling module, used to select DC coupling or AC coupling;
[0009] Gain selection module, used to select the gain mode;
[0010] The input acquisition channel is used to sample the BPM beam signal based on the trigger acquisition signal and the trigger signal.
[0011] The FPGA module is used to parse the sampled event signal to obtain a trigger signal that is synchronized with a certain moment in the synchrotron's operating cycle; it measures the beam position and closed-track position based on the BPM beam signal acquired by the input acquisition channel and the received high-frequency reference signal, and publishes the measured beam position and closed-track position to the external accelerator control system in real time.
[0012] The storage module is used to cache and store the BPM beam signal;
[0013] The power management module is used to supply power to the various electrical components of the electronic system;
[0014] Reference clock module, used to input reference clock signal.
[0015] Furthermore, it also includes a protection circuit to ensure that the internal circuitry of the module is not burned out when a large signal is mistakenly connected to the input.
[0016] Furthermore, it also includes an anti-aliasing filter to avoid frequency aliasing.
[0017] Furthermore, it also includes a signal conditioning module for performing inter-channel consistency correction and signal filtering.
[0018] Furthermore, the FPGA module includes:
[0019] The ADC acquisition unit is used to convert the analog beam signal induced on the BPM into a digital beam signal;
[0020] The data acquisition control unit is used to control the data acquisition of the input acquisition channel;
[0021] The data processing unit is used to analyze the phase difference between the beam signal induced at different BPMs and the high-frequency reference signal based on the digital beam signal, and convert the phase difference information into time information to achieve phase adjustment.
[0022] The beam position calculation unit is used to extract bundle information based on the adjusted phase and the duty cycle of the beam signal throughout the entire cycle, and to measure the beam position and closed-track position based on the extracted bundle information.
[0023] The data transmission unit is used to transmit the raw bundle data, measured beam position, and closed-track position to the external accelerator control system in real time.
[0024] Furthermore, the digital input channel includes:
[0025] The trigger channel is used to receive trigger acquisition signals sent by the synchrotron.
[0026] The sample receiving channel is used to receive the sampled sample signal of the BPM beam signal sent by the external accelerator control system;
[0027] The high-frequency signal receiving channel is used to receive high-frequency reference signals sent by the synchrotron.
[0028] Furthermore, the trigger channel, event receiving channel, and high-frequency signal receiving channel all use DIO modules; the input acquisition channel uses an ADC module, and the number of input acquisition channels is four.
[0029] On the other hand, a method for using a high-speed acquisition electronics system for a beam position detector is provided, including:
[0030] The digital input channel receives trigger acquisition signals, sampling event signals, and high-frequency sweep signals;
[0031] The FPGA module parses the sampled event signal to obtain a trigger signal synchronized with a certain moment in the synchrotron's operating cycle, and receives a high-frequency sweep signal used to detect bundles.
[0032] The input acquisition channel acquires the beam signal induced by the BPM electrode plate based on the trigger acquisition signal and the trigger signal.
[0033] The gain selection module selects the gain mode based on the magnitude of the beam signal;
[0034] The coupling module can be selected as either DC coupling or AC coupling;
[0035] The FPGA module measures the beam position and closed-track position based on the BPM beam signal acquired by the input acquisition channel and the received high-frequency reference signal, and publishes the measured beam position and closed-track position to the external accelerator control system in real time.
[0036] Furthermore, the FPGA module measures the beam position and closed-track position based on the BPM beam signal acquired by the input acquisition channel and the received high-frequency reference signal, and publishes the measured beam position and closed-track position to the external accelerator control system in real time, including:
[0037] The data processing unit analyzes the phase difference between the beam signal induced on different BPMs and the high-frequency reference signal based on the BPM beam signal acquired by the input acquisition channel, and converts the phase difference information into time information to achieve phase adjustment.
[0038] The beam position calculation unit extracts beam information based on the adjusted phase and the duty cycle of the beam signal throughout the entire cycle, and measures the beam position and closed-track position based on the extracted beam information.
[0039] Furthermore, the beam position calculation unit extracts bundle information based on the adjusted phase and the duty cycle of the beam signal throughout the entire cycle, and measures the beam position and closed-track position based on the extracted bundle information, including:
[0040] The beam position calculation unit treats each high-frequency cycle as 360°. Based on the measured high-frequency and beam phase relationship, it calculates the proportion of the beam in the entire high-frequency cycle and the start and end positions within the high-frequency cycle, thereby realizing the extraction of beam information within a high-frequency cycle.
[0041] The beam position calculation unit calculates the beam position information based on the extracted beam information within a high-frequency cycle. This process is repeated for all BPM beam signals on the synchrotron, enabling beam position measurement of the full-ring BPM beam signal per beam.
[0042] The beam position calculation unit averages the beam cluster position information at different times to obtain beam position measurements with different bandwidths, acquires the synchronous measurement results of the positions of all BPMs of the synchrotron at different times, and realizes closed-track position measurement with a certain bandwidth.
[0043] The present invention has the following advantages due to the adoption of the above technical solutions:
[0044] 1. This invention is used for reading beam signals from the electrode plates of the beam position detector on a heavy ion synchrotron. It can realize beam position, beam bunch measurement, and closed-track measurement. The signal coupling method is selectable, the range gain is controllable, and it can be flexibly varied according to the amplitude range of the front-end input signal. The position measurement algorithm can be flexibly upgraded and optimized, and the operation and maintenance complexity can be reduced. It effectively reduces manufacturing costs and improves the accuracy and resolution of beam position measurement in heavy ion synchrotrons.
[0045] 2. This invention uses an ADC module as the input acquisition channel, which can realize the full waveform acquisition of broadband signals of BPM.
[0046] 3. The present invention is equipped with an anti-aliasing filter, which can prevent signals with frequencies higher than the filter bandwidth from aliasing and causing measurement errors.
[0047] 4. The present invention has a maximum of 2GB of onboard DRAM, which can realize the caching of sampled data for monitoring and analysis of the original beam signal. When the beam intensity injected into the synchrotron is low, it is necessary to monitor the injected beam during the synchrotron commissioning period.
[0048] 5. Because the present invention is equipped with a digital input channel, it can control the different sampling time ranges of the accelerator period, which greatly facilitates the initial beam tuning.
[0049] 6. Because the present invention is equipped with a digital input channel, it can achieve synchronization with the high-frequency reference signal of the synchrotron, so as to realize the position measurement of each bundle based on the high-frequency reference signal.
[0050] In summary, this invention can be widely applied in the field of accelerator beam diagnostic measurement technology. Attached Figure Description
[0051] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the invention. Throughout the drawings, the same reference numerals denote the same parts. In the drawings:
[0052] Figure 1 This is a schematic diagram of a high-speed data acquisition electronics system provided in an embodiment of the present invention;
[0053] Figure 2 This is a schematic diagram of the data acquisition hardware principle provided in an embodiment of the present invention;
[0054] Figure 3 This is a schematic diagram of the carrier card design scheme provided in an embodiment of the present invention;
[0055] Figure 4 This is a schematic diagram of the distribution of a high-speed acquisition electronics system provided in an embodiment of the present invention on a medical heavy ion synchrotron.
[0056] Figure 5 This is a schematic diagram of the overall system of the beam position detector system for measuring beam position and beam cluster information according to an embodiment of the present invention;
[0057] Figure 6 This is a schematic diagram of the timing relationship between a high-frequency reference signal, a swept-frequency sine wave signal, and a beam signal provided in an embodiment of the present invention. Detailed Implementation
[0058] Exemplary embodiments of the invention will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to enable a more thorough understanding of the invention and to fully convey the scope of the invention to those skilled in the art.
[0059] It should be understood that the terminology used herein is for the purpose of describing particular exemplary embodiments only and is not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms “a,” “an,” and “described” as used herein may also include the plural forms. The terms “comprising,” “including,” “containing,” and “having” are inclusive and therefore indicate the presence of the stated features, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein are not construed as requiring them to be performed in a particular order described or illustrated unless the order of performance is explicitly indicated. It should also be understood that additional or alternative steps may be used.
[0060] Although terms such as first, second, third, etc., may be used in this document to describe multiple elements, components, regions, layers, and / or segments, these elements, components, regions, layers, and / or segments should not be limited by these terms. These terms may be used only to distinguish one element, component, region, layer, or segment from another. Unless the context clearly indicates otherwise, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence. Therefore, the first element, component, region, layer, or segment discussed below may be referred to as the second element, component, region, layer, or segment without departing from the teachings of the exemplary embodiments.
[0061] The high-speed acquisition electronics system for beam position detectors and its usage method provided in this invention are mainly used to monitor beam bunch shape and beam position on a synchrotron. During the synchrotron's operating cycle, this electronics system can diagnose parameters such as beam bunch position and beam closure, enabling real-time monitoring and diagnosis of parameters such as beam closure and operating point during synchrotron commissioning and operation. It has beam position resolution capability and can accurately and quickly measure the beam trajectory, thereby achieving real-time on-beam monitoring for beam quality diagnosis.
[0062] Terminology Explanation:
[0063] 1. BPM: Beam Position Monitor.
[0064] 2. HIMM: Heavy Ion Medical Machine.
[0065] 3. FPGA: Field Programmable Gate Array.
[0066] 4. ADC: Analogue to Digital Converter.
[0067] 5. DIO: Digital Input / Output.
[0068] 6. XDMA IP: Direct Memory Access Intellectual Property Core by Xilinx.
[0069] 7. PCIe: Peripheral Component Interconnect Express, a high-speed serial computer expansion bus standard.
[0070] 8. PXIe: PCIe eXtensions for Instrumentation Advanced eXtensible Interface, is a bus protocol for PCI extensions for instrumentation systems.
[0071] 9. DDR3: Double-Data-Rate Three Synchronous Dynamic Random Access Memory.
[0072] 10. SFP: Small Form Pluggable.
[0073] 11. FMC: FPGA Mezzanine Card, a mezzanine card for FPGAs.
[0074] Example 1
[0075] like Figure 1 , Figure 2As shown, this embodiment provides a high-speed acquisition electronics system for a beam position detector, including a digital input channel 1, a coupling module, a gain selection module, an anti-aliasing filter 2, a protection circuit 3, a signal conditioning module, an input acquisition channel 4, an FPGA module 5, a storage module 6, a power management module 7, and a reference clock module 8. The digital input channel 1 includes a trigger channel, an event receiving channel, and a high-frequency signal receiving channel.
[0076] The trigger channel is used to receive the trigger acquisition signal sent by the synchrotron, so as to realize data acquisition at a specific moment in the synchrotron's operating cycle.
[0077] The sample receiving channel is used to receive sampled sample signals of the BPM beam signal sent by the external accelerator control system.
[0078] The high-frequency signal receiving channel is used to receive the high-frequency reference signal sent by the synchrotron to achieve the position measurement of the synchrotron bundle by bundle.
[0079] The coupling module is used to select DC coupling or AC coupling based on actual needs (for example, when it is necessary to assess the background noise level at the site, it is set to DC coupling mode; normally, the system operates in AC coupling mode).
[0080] The gain selection module is used to select the gain mode according to the magnitude of the beam signal, including bypass mode and two different gain modes, 6dB and 12dB, so as to make the acquired signal work within the linear range of the ADC as much as possible. The position resolution obtained by processing the acquired signal is related to the gain setting.
[0081] Anti-aliasing filter 2 is used to avoid frequency aliasing while ensuring that the key frequencies of the BPM beam signal can be reconstructed.
[0082] Protection circuit 3 is used to ensure that critical internal circuits of the module are not burned out when a large signal is mistakenly connected to the input terminal.
[0083] The signal conditioning module is used to perform functions such as inter-channel consistency correction and signal filtering.
[0084] Input acquisition channel 4 is used to acquire the beam signal induced by the beam position detector BPM plate based on the trigger acquisition signal and the trigger signal.
[0085] FPGA module 5 is used to parse the sampled event signal to obtain a trigger signal that is synchronized with a certain moment in the synchrotron's operating cycle; receive a high-frequency reference signal for detecting the beam bundle; measure the beam position and closed-track position based on the BPM beam signal acquired by input acquisition channel 4 and the received high-frequency reference signal, and use a data communication protocol to publish the measured beam position and closed-track position to the external accelerator control system in real time.
[0086] Storage module 6, also known as DDR3 module 6, is used to cache and store the BPM beam signal.
[0087] The power management module 7 is used to convert the +12V, +5Vaux, and +3.3V power supplied by the PXIe chassis into the power required by the high-speed acquisition electronics system, and to power the various electrical components of the present invention.
[0088] Reference clock module 8 is used to input a reference clock signal.
[0089] In a preferred embodiment, the high-speed acquisition electronics system further includes an I / O buffer (i.e., Figure 1 The IOUBUF module in the database is used to pre-store data and then write it all at once, similar to batch operations in a database, which can greatly improve the data read and write speed.
[0090] In a preferred embodiment, the input acquisition channel 4 can be an ADC module, and the trigger channel, event receiving channel and high-frequency signal receiving channel can all be DIO modules.
[0091] Specifically, there are four input acquisition channels 4, and isolation measures are taken between each input acquisition channel 4 to reduce crosstalk between channels and other noise crosstalk.
[0092] Specifically, the ADC module can employ a high-performance 16-bit analog-to-digital converter with a maximum clock rate of 250MSPS, providing excellent noise-free dynamic range over a wide bandwidth. To ensure consistency of the multiple ADC input signal channels, inter-board synchronization, and linear consistency between channels, the analog input channels of the ADC module need to be designed with equal lengths during PCB design, strictly ensuring that the routing direction and length of the analog channels are consistent.
[0093] In a preferred embodiment, the FPGA module 5 includes an ADC acquisition unit 51, an acquisition control unit 52, a data processing unit, a beam position calculation unit, and a data transmission unit.
[0094] The ADC acquisition unit 51 is used to convert the analog beam signal induced on the BPM into a digital beam signal.
[0095] The acquisition control unit 52 is used to control the data acquisition of the input acquisition channel 4, including coupling mode, gain selection and filtering settings.
[0096] The data processing unit is used to analyze the phase difference between the beam signal induced at different BPMs and the high-frequency reference signal based on the digital beam signal, and convert the phase difference information into time information to achieve phase adjustment.
[0097] The beam position calculation unit is used to extract bundle information based on the adjusted phase and the duty cycle of the beam signal throughout the entire cycle, and to measure the beam position and closed-track position based on the extracted bundle information.
[0098] The data transmission unit is used to transmit the raw data of the bundle, the measured beam position, and the closed-track position to the external accelerator control system in real time according to the physical measurement requirements and using data communication protocols.
[0099] Specifically, FPGA module 5 can use Xilinx's high-performance Kintex-7 series FPGA.
[0100] Specifically, FPGA module 5 is equipped with a custom finned heat sink to maximize the heat dissipation and ventilation area.
[0101] In a preferred embodiment, such as Figure 2 As shown, according to the definition of electronic execution function Figure 1 The module is responsible for data acquisition and signal conditioning. In addition to the coupling module, gain selection module, and ADC module circuit mentioned above, it also includes protection circuit 3 and reference clock module 8. The reference clock can be set to an onboard 10MHz reference clock or an external input reference clock as needed, and can be used to trigger synchronization control functions according to commands.
[0102] In a preferred embodiment, such as Figure 3 As shown, in the high-speed acquisition electronics system of the beam position detector of the present invention, all components are mounted on a carrier card. The carrier card is a high-performance data preprocessing board based on the PXI Express bus architecture. The carrier card has up to 2GB of onboard DRAM. The carrier card is designed according to the standard 3U PXIe and provides eight PXI_TRIG signals to realize inter-board data transmission or synchronization functions through the backplane. The carrier card is equipped with an FMC interface and an X8 PCIe 2.0 host interface. The FMC interface is used to provide the standard mezzanine board (daughter card) size, connectors and module interfaces for the FPGA module 5 on the carrier card. The X8 PCIe 2.0 host interface is used to realize data interaction between the electronics board and the host.
[0103] In a preferred embodiment, such as Figure 4 As shown, the high-speed acquisition electronics system of each beam position detector can sample a BPM beam signal. In practice, the number of high-speed acquisition electronics systems is configured according to the number of BPMs installed in the heavy ion synchrotron to realize beam trajectory measurement and beam monitoring during injection.
[0104] In a preferred embodiment, the reference clock signal can be set to an onboard 10MHz reference clock signal or an external input reference clock signal as needed, and the trigger synchronization control function can be implemented according to the command.
[0105] In a preferred embodiment, the FMC daughter card integrates a low-jitter clock chip as the AD sampling clock, with a maximum sampling clock of 250MHz.
[0106] In a preferred embodiment, both the ADC module and the signal conditioning module are provided with heat dissipation ducts.
[0107] In a preferred embodiment, the high-speed acquisition electronics system of the present invention has a full-coverage design on both sides to minimize the impact damage to onboard devices caused by the circuit board during use.
[0108] In a preferred embodiment, the coupling module is selected as AC coupling, the gain selection module is selected as bypass mode, and the BPM beam signal enters the electronics in a direct manner before entering the input acquisition channel 4, without undergoing secondary amplification.
[0109] Example 2
[0110] like Figure 5 As shown, this embodiment provides a method for using a high-speed acquisition electronics system for a beam position detector, including the following steps:
[0111] 1) When the HIMM synchrotron measures the position of each beam cluster based on the high-frequency reference signal, it draws out an analog sweep sine signal from the high-frequency low-level system. The analog sweep sine signal generates eight BPM rectangular pulse trigger signals after passing through a power divider and a front-end Schmitt trigger shaping circuit, which are respectively connected to eight high-speed acquisition electronics systems of Example 1.
[0112] 2) Digital input channel 1 receives trigger acquisition signal, sampling event signal and high frequency sweep signal.
[0113] 3) FPGA module 5 parses the sampled event signal to obtain a trigger signal that is synchronized with a certain moment in the synchrotron's operating cycle, and receives a high-frequency sweep signal used to detect bundles.
[0114] 4) Input acquisition channel 4 acquires the beam signal induced by the BPM electrode plate based on the trigger acquisition signal and the trigger signal.
[0115] 5) The gain selection module selects the gain mode based on the magnitude of the beam signal.
[0116] 6) The coupling module can be selected as DC coupling or AC coupling based on actual needs.
[0117] 7) The high-frequency reference signal and the beam signal have the same frequency but a fixed phase difference. During beam cluster position measurement, the data processing unit of FPGA module 5 analyzes the phase difference between the induced beam signal and the high-frequency reference signal at different BPMs based on the BPM beam signal acquired by input acquisition channel 4, and converts the phase difference information into time information to achieve phase adjustment. The relationship between the high-frequency reference signal, the swept-frequency sinusoidal signal, and the beam signal is as follows: Figure 6 As shown.
[0118] 8) The beam position calculation unit extracts bundle information based on the adjusted phase and the duty cycle of the beam signal throughout the entire cycle, and measures the beam position and closed-track position based on the extracted bundle information. Specifically:
[0119] 8.1) The beam position calculation unit considers each high-frequency cycle as 360°. Based on the measured relationship between the high frequency and the beam phase, it calculates the proportion of the beam in the entire high-frequency cycle and the start and end positions within the high-frequency cycle, thereby realizing the extraction of beam information within a high-frequency cycle.
[0120] 8.2) The beam position calculation unit adopts the difference ratio summation calculation method. Based on the bundle information extracted within a high-frequency cycle, the bundle position information is calculated. By analogy, this operation is performed on all BPM beam signals on the synchrotron, which can realize the bundle position measurement of the beam signal of the full-ring BPM.
[0121] 8.3) The beam position calculation unit averages the beam cluster position information at different times to obtain beam position measurements with different bandwidths, and obtains the synchronous measurement results of the multiple positions of all BPMs of the synchrotron at different times, so as to realize the closed-track position measurement with a certain bandwidth.
[0122] The above embodiments are only used to illustrate the present invention. The structure, connection method and manufacturing process of each component can be varied. All equivalent transformations and improvements made on the basis of the technical solution of the present invention should not be excluded from the protection scope of the present invention.
Claims
1. A high-speed acquisition electronics system for a beam position detector, characterized in that, include: The digital input channel is used to receive trigger acquisition signals, sampling event signals, and high-frequency reference signals; Coupling module, used to select DC coupling or AC coupling; Gain selection module, used to select the gain mode; The input acquisition channel is used to sample the BPM beam signal based on the trigger acquisition signal and the trigger signal. The FPGA module is used to analyze the sampled event signal to obtain a trigger signal that is synchronized with a certain moment in the synchrotron's operating cycle; and to measure the beam position and closed-track position based on the BPM beam signal acquired by the input acquisition channel and the received high-frequency reference signal. The storage module is used to cache and store the BPM beam signal; The power management module is used to supply power to the various electrical components of the electronic system; The reference clock module is used to input a reference clock signal; The FPGA module includes: The ADC acquisition unit is used to convert the analog beam signal induced on the BPM into a digital beam signal; The data acquisition control unit is used to control the data acquisition of the input acquisition channel; The data processing unit is used to analyze the phase difference between the beam signal induced at different BPMs and the high-frequency reference signal based on the digital beam signal, and convert the phase difference information into time information to achieve phase adjustment. The beam position calculation unit is used to extract bundle information based on the adjusted phase and the duty cycle of the beam signal throughout the entire cycle, and to measure the beam position and closed-track position based on the extracted bundle information.
2. A high speed acquisition electronics system for a beam position monitor according to claim 1, characterized in that It also includes protection circuitry to ensure that the internal circuitry of the module is not burned out if a large signal is mistakenly connected to the input.
3. A high speed acquisition electronics system for a beam position monitor according to claim 1, wherein, It also includes anti-aliasing filters to prevent frequency aliasing.
4. A high speed acquisition electronics system for a beam position monitor according to claim 1, wherein, It also includes a signal conditioning module for performing inter-channel consistency correction and signal filtering.
5. A high speed acquisition electronics system for a beam position monitor according to claim 1, wherein, The digital input channel includes: The trigger channel is used to receive trigger acquisition signals sent by the synchrotron. The sample receiving channel is used to receive the sampled sample signal of the BPM beam signal sent by the external accelerator control system; The high-frequency signal receiving channel is used to receive high-frequency reference signals sent by the synchrotron.
6. The high-speed acquisition electronics system for a beam position detector as described in claim 5, characterized in that, The trigger channel, event receiving channel, and high-frequency signal receiving channel all use DIO modules; the input acquisition channel uses ADC modules, and the number of input acquisition channels is four.
7. A method of using a high-speed acquisition electronics system based on the beam position detector of any one of claims 1 to 6, characterized in that include: The digital input channel receives trigger acquisition signals, sampling event signals, and high-frequency sweep signals; The FPGA module parses the sampled event signal to obtain a trigger signal synchronized with a certain moment in the synchrotron's operating cycle, and receives a high-frequency sweep signal used to detect bundles. The input acquisition channel acquires the beam signal induced by the BPM electrode plate based on the trigger acquisition signal and the trigger signal. The gain selection module selects the gain mode based on the magnitude of the beam signal; The coupling module can be selected as either DC coupling or AC coupling; The FPGA module measures the beam position and closed-track position based on the BPM beam signal acquired by the input acquisition channel and the received high-frequency reference signal.
8. A method of using a high speed acquisition electronics system for a beam position monitor according to claim 7, characterized in that, The FPGA module measures the beam position and orbital closure position based on the BPM beam signal acquired by the input acquisition channel and the received high-frequency reference signal, and publishes the measured beam position and orbital closure position to the external accelerator control system in real time, including: The data processing unit analyzes the phase difference between the beam signal induced on different BPMs and the high-frequency reference signal based on the BPM beam signal acquired by the input acquisition channel, and converts the phase difference information into time information to achieve phase adjustment. The beam position calculation unit extracts beam information based on the adjusted phase and the duty cycle of the beam signal throughout the entire cycle, and measures the beam position and closed-track position based on the extracted beam information.
9. A method of using a high speed acquisition electronics system for a beam position monitor according to claim 8, characterized in that, The beam position calculation unit extracts bundle information based on the adjusted phase and the duty cycle of the beam signal throughout the entire cycle, and measures the beam position and closed-track position based on the extracted bundle information, including: The beam position calculation unit treats each high-frequency cycle as 360°. Based on the measured high-frequency and beam phase relationship, it calculates the proportion of the beam in the entire high-frequency cycle and the start and end positions within the high-frequency cycle, thereby realizing the extraction of beam information within a high-frequency cycle. The beam position calculation unit calculates the bundle position information based on the bundle information extracted within a high-frequency cycle. This operation is then performed on all BPM beam signals on the synchrotron to achieve bundle position measurement of the beam signal in the full-ring BPM. This operation is the operation for calculating bundle position information. The beam position calculation unit averages the beam cluster position information at different times to obtain beam position measurements with different bandwidths, acquires the synchronous measurement results of the positions of all BPMs of the synchrotron at different times, and realizes closed-track position measurement with a certain bandwidth.