GUAN Yu,LI Xuehua,HE Chenjun,et al.Design of a Multi-channel High Voltage Amplifier System based on Ethernet[J].Journal of Chengdu University of Information Technology,2022,37(01):28-33.[doi:10.16836/j.cnki.jcuit.2022.01.005]
一种基于以太网的多通道高压放大系统设计
- Title:
- Design of a Multi-channel High Voltage Amplifier System based on Ethernet
- 文章编号:
- 2096-1618(2022)01-0028-06
- Keywords:
- high-voltage amplification; FPGA; STM32; Ethernet; digital to analog conversion; high voltage analog switch
- 分类号:
- TN432
- 文献标志码:
- A
- 摘要:
- 针对多通道压电陶瓷驱动系统中控制不够灵活、不能及时输出及功耗过高的问题，提出一种基于以太网控制可实现多通道电压同时输出的高压放大系统设计方案。系统采用STM32+FPGA相互配合的控制方式，利用STM32外设丰富和操作方便的特点，设计实现对以太网控制器W5300的配置，从而可灵活地接收和解析来自上位机的指令; 利用FPGA并行处理速度快的特点，能同时对8片数模转换芯片AD5760进行操作，并控制10片模拟高压开关HV2601将输出通道拓展到160路; 高压放大部分则采用三级放大电路串联的方式，对AD5760输出的模拟低电压进行放大。对整个系统进行功能测试，验证了方案的可行性。
- Abstract:
- Aiming at resolving the inflexibility, non-real-time and high power consumption in the multi-channel piezoelectric ceramic drive system, a high-voltage amplifier system design scheme based on Ethernet which can realize real-time multi-channel voltage output is proposed. This system adopts the control mode of mutual cooperation of STM32 and FPGA, and uses a STM32 chip characterized by its convenient operation and abundant peripherals to design and realize the configuration of the Ethernet controller-W5300, so that it can flexibly receive and parse commands from an upper computer. Using the fast parallel processing speed of FPGA, it can operate 8 pieces of digital-to-analog conversion chip-AD5760 and 10 pieces of analog high voltage switch-HV2601 to expand the output to 160 channels. High voltage amplification part adopts a three-stage amplifier circuit to amplify the analog low voltage output by AD5760. The function test of the whole system verifies the feasibility of the scheme.
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备注/Memo
收稿日期:2020-11-17
基金项目:国家自然科学基金资助项目(41375043,41575022); 四川省科技厅资助项目(2014JY0093)