某高架机动相控阵雷达结构总体设计与研究
发布时间：2019-02-18 19:26
【摘要】：随着雷达技术的快速发展和战场环境日趋复杂,对雷达结构设计提出了越来越高的要求。良好的机动性是保障设备战场生存能力的重要特性之一;雷达结构静力学、动力学特性不但影响雷达功能的实现,也会直接影响雷达机械及电气性能。本文从系统设计的角度出发,对雷达总体结构设计、雷达机动性、重要分系统进行设计研究,并针对风载荷对雷达的影响进行了相应的计算和分析。针对本系统设备量大、结构复杂的特点,本文以系统观念进行结构总体设计,根据总体技术要求和设计规范,将系统功能和性能指标逐层分解到各分系统、分机,并制定相应的设计规范指导分系统、分机的设计,最后将各单机整合成一个整体,做到整机功能协调、布局合理,风格统一;同时对系统安全性、可靠性与可维修性、环境适应性、人机工程等进行论述和设计。论文针对天线结构、微波箱散热、天线升降机构等重要分系统进行了结构方面设计和论述。介绍了天线系统结构组成,对微波箱减重、天线刚强度进行了计算和分析;对天线微波箱进行了设计和分析,并分别对微波箱内的发射组件和电源模块进行了散热设计和分析;介绍了天线升降机构结构形式、组成,并对升降机构进行了力学计算和分析,对安全性和可靠性设计进行了论述。论文还对升降平台、天线微波箱、天线座壳体等进行了力学计算与分析。通过建立有限元模型,对由调平腿、车架、升降机构、天线座、天线组成的升降平台进行力学计算与分析;对系统进行模态分析,测试其固有频率,为平台设计提供基础数据。设定典型工况对上述结构件总成进行力学分析,计算不同工况下的最大应力与位移,通过计算分析来验证设计的有效性和合理性,在此基础上优化结构设计。对微波箱体、天线座壳体进行刚、强度分析,根据分析结果不断优化结构,最终使结构设计满足总体使用要求。本文以提高雷达自动化水平为重点对雷达机动性进行设计和论述,通过机、电、液一体化手段实现雷达整车调平、天线自动升降与翻转、自动锁定,优化展开/撤收流程,提高设备的机动性。
[Abstract]:With the rapid development of radar technology and the complexity of battlefield environment, more and more demands are put forward for radar structure design. Good maneuverability is one of the important characteristics to ensure the survival of equipment in battlefield. The static and dynamic characteristics of radar structure not only affect the realization of radar function, but also directly affect the mechanical and electrical performance of radar. From the point of view of system design, this paper designs and studies the overall structure design, radar maneuverability and important subsystem of radar, and calculates and analyzes the effect of wind load on radar. In view of the characteristics of large equipment and complex structure, this paper carries out the overall structure design based on the concept of system. According to the overall technical requirements and design specifications, the system function and performance index are decomposed layer by layer into each subsystem and extension. And formulate the corresponding design norms to guide the sub-system, the extension design, and finally the integration of each single machine into a whole, so that the whole machine function coordination, reasonable layout, unified style; At the same time, the system safety, reliability and maintainability, environment adaptability, ergonomics and so on are discussed and designed. In this paper, the structure of antenna structure, microwave box heat dissipation, antenna lifting mechanism and other important sub-systems are designed and discussed. The structure of the antenna system is introduced, the weight loss of the microwave box and the strength of the antenna are calculated and analyzed, the design and analysis of the antenna microwave box are carried out, and the heat dissipation design and analysis of the transmitting module and the power module in the microwave box are carried out respectively. The structure and composition of the antenna lifting mechanism are introduced. The mechanical calculation and analysis of the lifting mechanism are carried out, and the design of safety and reliability is discussed. The mechanical calculation and analysis of lifting platform, antenna microwave box and antenna base shell are also carried out. Through establishing the finite element model, the mechanical calculation and analysis of the lifting platform composed of leveling leg, frame, lifting mechanism, antenna pedestal and antenna are carried out, and the modal analysis of the system is carried out, its natural frequency is tested, and the basic data are provided for the platform design. The mechanical analysis of the structural assembly is carried out under typical working conditions, and the maximum stress and displacement under different working conditions are calculated. The validity and rationality of the design are verified by calculation and analysis, and the structural design is optimized on this basis. The stiffness and strength of microwave box and antenna base shell are analyzed and the structure is optimized according to the results of the analysis. Finally, the structure design can meet the overall requirements. This paper focuses on the design and discussion of radar maneuverability in order to improve the level of radar automation. By means of the integration of machine, electricity and liquid, the radar vehicle can be leveled, the antenna will rise and fall automatically, the antenna will be automatically locked, and the process of developing / withdrawing will be optimized. Improve the mobility of the equipment.
【学位授予单位】：电子科技大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TN957
本文编号：2426129
[Abstract]:With the rapid development of radar technology and the complexity of battlefield environment, more and more demands are put forward for radar structure design. Good maneuverability is one of the important characteristics to ensure the survival of equipment in battlefield. The static and dynamic characteristics of radar structure not only affect the realization of radar function, but also directly affect the mechanical and electrical performance of radar. From the point of view of system design, this paper designs and studies the overall structure design, radar maneuverability and important subsystem of radar, and calculates and analyzes the effect of wind load on radar. In view of the characteristics of large equipment and complex structure, this paper carries out the overall structure design based on the concept of system. According to the overall technical requirements and design specifications, the system function and performance index are decomposed layer by layer into each subsystem and extension. And formulate the corresponding design norms to guide the sub-system, the extension design, and finally the integration of each single machine into a whole, so that the whole machine function coordination, reasonable layout, unified style; At the same time, the system safety, reliability and maintainability, environment adaptability, ergonomics and so on are discussed and designed. In this paper, the structure of antenna structure, microwave box heat dissipation, antenna lifting mechanism and other important sub-systems are designed and discussed. The structure of the antenna system is introduced, the weight loss of the microwave box and the strength of the antenna are calculated and analyzed, the design and analysis of the antenna microwave box are carried out, and the heat dissipation design and analysis of the transmitting module and the power module in the microwave box are carried out respectively. The structure and composition of the antenna lifting mechanism are introduced. The mechanical calculation and analysis of the lifting mechanism are carried out, and the design of safety and reliability is discussed. The mechanical calculation and analysis of lifting platform, antenna microwave box and antenna base shell are also carried out. Through establishing the finite element model, the mechanical calculation and analysis of the lifting platform composed of leveling leg, frame, lifting mechanism, antenna pedestal and antenna are carried out, and the modal analysis of the system is carried out, its natural frequency is tested, and the basic data are provided for the platform design. The mechanical analysis of the structural assembly is carried out under typical working conditions, and the maximum stress and displacement under different working conditions are calculated. The validity and rationality of the design are verified by calculation and analysis, and the structural design is optimized on this basis. The stiffness and strength of microwave box and antenna base shell are analyzed and the structure is optimized according to the results of the analysis. Finally, the structure design can meet the overall requirements. This paper focuses on the design and discussion of radar maneuverability in order to improve the level of radar automation. By means of the integration of machine, electricity and liquid, the radar vehicle can be leveled, the antenna will rise and fall automatically, the antenna will be automatically locked, and the process of developing / withdrawing will be optimized. Improve the mobility of the equipment.
【学位授予单位】：电子科技大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TN957
【参考文献】
相关期刊论文 前1条
1 张增太;风载荷在雷达天线结构设计中的考虑[J];现代电子;1997年04期
，本文编号：2426129
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