高精度非接触磁浮机构设计及其输出特性测试研究

Research on High-Precision Non-contact Maglev Device Design and Its Output Characteristic Test

为验证“双超”卫星地面试验系统与地面验证方案的合理性、可行性,针对“双超”卫星平台的核心部件非接触磁浮机构,提出了一种非接触磁浮机构磁钢匀强磁场、激励线圈拓扑结构及高精度程控精密功率放大器的多参数综合优化设计与测试方法。首先,通过选择适宜的磁钢材料和设计磁钢结构尺寸参数实现非接触磁浮机构磁钢磁场的均匀性;其次,通过激励线圈参数优化可降低输出力的波动;再次,通过驱动电路的优化设计可提升程控精密功率放大器的输出电流精度;最后,通过非接触磁浮机构的输出特性测试,验证了设计方法的有效性。该方法将“双超”平台的需求分解成磁浮机构各部分的设计指标,简化明确了设计思路,方案通过验证为下一步“双超”平台原理样机的设计及未来“双超”平台的工程应用提供了技术支撑。

In order to verify the rationality and feasibility of the ground test system and the ground verification scheme of the“dual super”satellite platform,in view of its core component,i.e.,the non-contact maglev device including the uniform magnetic field,the excitation coil topology,and the high-precision programmable precise power amplifier,a multi-parameter integrated optimization design and test method is proposed.By selecting suitable magnetic steel materials and designing the size parameters of the magnetic steel structure,the magnetic field uniformity of the non-contact maglev device is realized.By optimizing the excitation coil parameters,the fluctuation of the output force can be reduced.By optimizing the drive circuit,the output current precision of the programmable precise power amplifier can be improved.Finally,by testing the output characteristics of the non-contact maglev device,the effectiveness of the design method is verified.The method decomposes the requirements of the“dual super”satellite platform into the design indicators of the components of the non-contact maglev device,which simplifies the design idea.The verification of the scheme provides technical support for the design of the next principle prototype and the future engineering applications of the“dual super”satellite platform.