基于FPGA的生物3D打印机的系统设计及研究  

Design and research on the system of biological 3D printer based on FPGA

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作  者:刘艺炜 张博 张文栋 LIU Yiwei;ZHANG Bo;ZHANG Wendong(School of Institution and Computer Science,Taiyuan University of Technology,Jinzhong 030600,China)

机构地区:[1]太原理工大学信息与计算机学院,山西晋中030600

出  处:《电子设计工程》2022年第10期144-149,共6页Electronic Design Engineering

基  金:国家自然科学基金(51505324,51622507,61471255,61474079,61501316);山西省优秀人才技术创新计划(201805D211020)。

摘  要:针对生物凝胶支架柔性材料形状成型较难、打印精度不足的问题,设计了一种多喷头生物3D打印机,探索生物3D打印机的硬件、软件搭建方式。在深入研究现场可编程门阵列(Field-Pro⁃grammableGateArray,FPGA)以及3D打印的基础上,将步进电机、三维移动装置进行组装,定义模块功能并编写Verilog控制程序、测试系统打印参数、进行打印实验,设计一套打印多种生物支架材料的装置和方法。3D打印装置实现了柔性材料支架模型的打印。通过加入梯形运动控制算法,打印的支架结构精密,可重复性好,可控性高,可用于微生物凝胶、硅橡胶等柔性材料的成型实验。In view of the problems of difficult shape forming and insufficient printing precision of the flexible material of biogel scaffold,a multi-nozzle biological 3D printer was designed to explore the hardware and software construction methods of 3D biological printer.Based on in-depth study of Field-Programmable Gate Array(FPGA)and 3D printing,the stepper motor and 3D mobile device are assembled,module functions are defined,Verilog control program is written,printing parameters are tested and printing experiments are carried out,and a set of devices and methods for printing a variety of biological scaffold materials are designed.The 3D printing device realizes the printing of the model of the flexible material bracket.By adding trapezoidal motion control algorithm,the printed scaffold has the advantages of precision structure,good repeatability and high controllability,which can be used in the forming experiments of flexible materials such as microorganism gel and silicone rubber.

关 键 词:FPGA 生物3D打印 硬件控制系统 柔性材料 

分 类 号:TN431.2[电子电信—微电子学与固体电子学]

 

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