Abstract This paper introduces the development process of a rotating cabin body, which is the core component of an electro-optical pod. Firstly, two-window structures were designed according to the demand. The wind resistance of these two-window structures within the rotating range was simulated, analyzed, and compared. on this basis, the optimal window structure was selected. Subsequently, finite element analysis was conducted on the selected form of the cabin body to verify its structural strength and stiffness, including the static analysis and modal analysis. On the basis of sufficient design and analysis, the rotating cabin body was manufactured. After testing and debugging, the electro-optical pod was mounted on an aircraft for flight testing. The experimental results verified the rationality of the design of the electro-optical pod.

Abstract A distributed UAV automatic airport inspection system, with the advantages of unmanned autonomous inspection operation, is widely used in power patrol, highway inspection, forest fire monitoring, and other fields. The disadvantage is that the operating radius distance is limited, with the multi-fixed site layout and high cost. In this paper, a vehicle-mounted rotor UAV automatic airport inspection system is designed, which can flexibly move the operation site and increase the operation radius. This inspection system is based on 5G wireless communication control technology and can remotely control the UAV. After the operation is completed, the UAV is automatically stored, charged, and maintained, and other functions have a good application prospect.

In this paper, an unattended wind direction adaptive assisted landing device and method are proposed to solve the problem that too much wind or uncertain wind direction leads to too large deviations in the safe landing of UAVs, resulting in limited application scenarios of unattended systems. Through this design, the application environment of the unattended system is increased from level 4 to level 6 in wind speed, and the application scenario is greatly expanded. The design enhances the technical advantages of unattended system products, improves the market competitiveness of unattended system products, and meets the needs of UAV applications in more industries.

A load ground station system that supports intelligent charge management is designed. The load ground station is a ground measurement and control equipment for UAV monitoring system. It integrates computer, display, power management unit and photoelectric pod control rocker and other components, which can realize the real-time display of UAV airborne mission load video and real-time control of the pod. The system can support intelligent charge management, and has the functions of complementing mains power, automatically switching power supply path, over-charge and over-discharge protection. It integrates the ground station computer and pod control rocker into one, which can be widely used in rescue and disaster relief, homeland security, urban management and other fields. It has been verified that the ground station can adapt to the requirements of long time operation in the field, and has the advantages of convenient carrying and easy going out operation.

Abstract Multi-load, high stability and precision optoelectronic pods have become the development trend of pod technology applications. The two-axis four-gimbal electro-optical pod has the characteristics of high integration and stability. The research object of this project is a two-axis four-frame optoelectronic pod carried by helicopter. It can realize the transmission of active video and measurement control data through an airborne data chain. The system composition of the pod was introduced, and a mechanical structure model was established. To ensure rotational performance, a method for calculating the torque of the motor was provided, simulation of a main load-bearing structural part was conducted to ensure the structural strength. Finally, the stable accuracy was verified through testing. Design and analysis methods can provide some references for the design of two-axis four-frame pods.

Synthetic aperture radar (SAR) has all-day and all-weather characteristics, and has broad application prospects in many fields. As an important part of the SAR system, the stable platform plays an important role in the SAR imaging effect. Through the derivation of the stability principle of the gyro stabilized platform, a small and low-cost SAR stable platform based on MEMS Gyro is designed. ARM is used as the control core, servo motor and photoelectric encoder are used as the driving and feedback components, and the stability, control accuracy and rapid response ability of the system are improved through the fusion of the stability loop, position loop and speed loop and the improved PID control algorithm. It has good engineering application and promotion value.

The triaxial gyro stabilized platform is widely used in military fields such as airborne and shipborne, as well as civil fields such as public security and fire control. It has the function of ensuring the visual axis stability of photoelectric equipment on the moving carrier. This paper proposes a method to solve the problems of forward design shortage and algorithm verification difficulty of triaxial gyro stabilized platform, establish the state space equation through the analysis of the kinematics and dynamics equations of platform, modeling and simulation analysis are done using Simulink toolbox in MATLAB and S -Function for the stability loop, position loop, speed loop three-loop control structure used in the design, the system response of different input signals is simulated .The establishment of the control model and algorithm simulation verification provide reliable theoretical support and basis for algorithm research in practical engineering, and have a strong guiding role for system design.

基于ZW-H1200无人机应用磁力原理设计了一种多旋翼螺旋桨定向装置并进行了试验测试.采用螺旋桨定向装置将大幅减小多旋翼无人机外包络尺寸,四、六旋翼无人机机场内停放面积分别缩减了38.7％和42.4％,可以有效减小智能机舱尺寸.该定向装置的研究设计过程为后续智能机舱小型化提供了一种解决方案.

设计了一种倾斜摄影相机控制系统,通过在同一摄影平台上搭载多台传感器,同时从5个不同的角度采集影像,获得的倾斜影像不仅能够真实地反映地物情况,而且还能利用先进的GPS定位技术嵌入精确的地理信息,具备同时进行多相机数据集中读取的便携性,可广泛应用于抢险救灾、国土安全、城市管理等领域.该系统具有重量较轻、结构安装灵活、覆盖全面、作业效率高等优势.

针对现有无人机巡线效果差的问题,提出了电动多旋翼无人机在高压电路协同巡线中的应用.在实际环境中进行实验验证分析,由结果可知,该无人机巡线效果较好,为保障高压电路故障排查提供设备支持.

为了解决无人值守应用场景无人机动力锂电池进行机载充电连线复杂、充电数据交互性差的问题,设计了一种基于STM32的无人机锂电池充电器,提出了一种充电模块和均衡保护模块分离设计的两线式充电方法,使充电线缆连接更加简洁.同时通过RS485接口实现充电状态数据对外部设备的实时交互、充电历史数据的回放.测试结果表明,设计的充电器满足快速充电要求.

基于多旋翼无人机平台,搭建了以STM32F405系列ARM单片机为核心器件的控制系统,研究设计了具有视频跟踪和障碍清除功能的三轴激光云台.通过采用高精度陀螺的角度及加速度信息,驱动3个轴向的直流力矩电机,使云台上搭载的摄像机及激光发射器的指向与锁定目标在惯性空间保持不变,实现目标锁定和自动跟踪,系统稳定精度控制在0.02°以内,达到较好的视轴跟踪稳定性及激光器切割的准确性,实现精准切割.

Abstract As an important satellite communication technology, mobile communication has broad application prospects in the field of military and civilian applications. Low cost and high reliability have become one of the goals and difficulties in engineering design. In order to overcome the shortage of course information provided by inertial navigation or electronic compass, a beacon space search algorithm without course information is designed. A low cost gyro stabilization platform based on ARM and MEMS gyroscope is designed for the high mobility and complex working conditions of vehicles. The servo motor and photoelectric encoder are used to construct the multi-closed-loop control system to improve its fast response ability, and the pitch compensation and beacon space search algorithm are used to improve the precision of the system for star and tracking. It has good engineering application and popularization value.

动中通作为一种重要的卫星通信技术受到越来越多的关注,在军民用领域具有广阔的应用前景.本文设计了一种基于ARM和MEMS陀螺的低成本天线伺服控制系统,该系统采用伺服电机作为驱动元件提高系统的快速响应能力,采用俯仰补偿和信标搜索相融合的控制算法提高系统的精准对星能力.该系统已完成产品研制和相关试验,具有良好的性能和工程应用价值.

随着航空用户对上网需求的逐步增加,结合航天制造、卫星通信及惯性稳定平台技术,设计了一种基于APT控制技术的Ku/Ka双频机载动中通系统。该系统具有较高的高动态响应及精准卫星捕获、跟踪能力;APT控制技术融合陀螺稳定、漂移补偿、多数据融合及精准伺服控制关键技术,系统采用程序跟踪、动态跟踪控制策略,可根据ModMan控制指令在不同载体扰动情况下迅速完成Ku、Ka天线切换及对星,保障链路通信正常,以最佳带宽服务理念为航空用户提供多层次通信服务保障。目前已完成样机研制和地面跑车模拟、摇摆台试验,技术指标符合总体设计要求具有良好的应用前景。

随着当前社会经济的快速发展,制造业在发展中也获得了较大的进步.现代化机械制造工艺及精密加工技术作为制造业发展中的核心工艺技术的发展也引起了广泛的关注.该文针对现代化机械制造工艺及精密加工技术,进行简要的分析研究.

设计了一种无人值守停机坪系统,采用2.4G无线通信技术,远程操控无人机进行巡检作业,作业完成后,对无人机进行自主收藏、充电等,实现了无人机外场巡检作业时无需专业人员现场值守操作,系统采用封闭式舱体设计,可防水防尘,并融合环境感知传感器,使用各种复杂的外场作业环境,具有良好的应用前景.

陀螺稳定平台能够隔离载体扰动对任务设备的影响,在惯性空间内保持设备姿态稳定,工程上具有广泛的应用.通过对方位-横滚-俯仰型三轴陀螺稳定平台的稳定机理分析,推导了三轴陀螺稳定平台的稳定条件及稳定控制表达式,并对工程中常用的不同陀螺安装位置进行了解耦分析.针对陀螺安装于俯仰框架上的工程实际应用情况,设计了一种新的控制环路,并进行了控制算法仿真和实际验证,为后续同类设备研制提供了一种有效的设计方法.

随着动中通控制及天线技术的逐步成熟以及用户对航空上网需求的逐步增加,结合航空制造及卫星通信技术经验,设计了一种Ku/Ka双频、双天线控制系统;该系统可根据机载计算机控制指令在不同地域快速完成Ku、Ka天线对星及卫星切换,保障链路通信正常,以最佳带宽服务理念为航空用户提供多层次通信服务保障;系统采用尺寸轻量化设计、融合高精度伺服控制技术、快速卫星切换技术以及高动态跟踪技术提高系统的动态响应及精准对星、卫星跟踪能力;该系统严格按照军品研制流程进行设计,已完成样机研制和地面相关试验,技术指标符合前期设计要求和具有良好的应用前景。

针对电压型BUCK变换器LC滤波电路双极点、ESR零点对环路稳定的影响,设计了一种基于穿越频率对称整定的环路补偿器.研究了连续工作模式下不同ESR零点位置下TYPEⅢ型环路补偿器设计方法,通过实例完成补偿器关键参数设计.最后基于Matlab对BUCK变换器组成环节传递函数进行稳定性分析,仿真结果表明环路补偿器设计的有效性.