| ID | 原文 | 译文 |
| 13984 | 无人机与无人艇组成空水作业系统，可以大幅度提高系统完成作业的能力和效率，因此对旋翼无人机在运动无人艇上自主降落控制进行了研究。 | The air-water operation system composed by a drone and an unmanned boat can greatly improve the ability and efficiency to complete operations． Therefore, the control of the rotor drone’s autonomous landing on moving unmanned boats is studied． |
| 13985 | 无人机基于通信获取的无人艇的运动信息和自身的 GPS 信息，配合视觉算法对降落标识进行识别和定位的计算结果信息实现对无人艇的位置跟踪。 | The position tracking of the unmanned boat is realized by using the unmanned boat’s movement information and the drone’s GPS information obtained by the drone through communication as well as the calculation result of the recognition and positioning of the landing marks． |
| 13986 | 无人机根据获取的无人艇的姿态信息进行姿态跟踪后保持对无人艇的位置姿态跟踪并执行无人机自主降落操作。 | According to the obtained attitude information of the unmanned boat the drone keeps the attitude tracking of the unmanned boat and finally autonomously lands on the moving unmanned boat． |
| 13987 | 搭建了四旋翼无人机和无人艇组成的空水系统进行实验，结果表明，该系统能够可靠地完成无人机自主降落过程中各个阶段的任务，验证了系统的可行性。 | The air-water system composed of the quadrotor drone and the unmanned boat is built to conduct experiment． Experiment results indicate that the system can reliably complete the tasks of each stage in the process of autonomous landing of the drone which verifies the feasibility of the system． |
| 13989 | 结合镜头中凸轮驱动结构形式及力学理论，分析了凸轮曲线的压力升角对系统传动力矩的影响；结合机械加工误差以及压力升角模型，提出凸轮曲线优化约束条件及优化原则；同时借助 Gauss 函数的平滑特性，实现凸轮曲线沿垂直于光轴方向非均匀展宽的优化方法，抑制凸轮曲线的最大升角。 | For continuous zoom lens the optimal design of pressure angle of cam curve is an important factor influencing the function of the lens． Based on the cam driving structure and mechanics theory an analysis is made to the influence of the cam curve’s pressure angle on the transmission torque． With consideration of the machining error and pressure angle model the constraint conditions and optimizing principle are proposed． By using the smooth characteristic of Gauss function the optimization method of non- uniform widening of the cam curve is realized along vertical direction of the optical axis and the maximum pressure angle of the cam curve is restrained． |
| 13990 | 结合 Gauss 函数寻优处理对某光学设计获得的变焦凸轮曲线进行优化，在约束条件限制下保证曲线平滑性，凸轮曲线压力升角的范围由 0° ～ 39． 01°优化到 15° ～ 31． 16°，最大升角降低了 20． 12% 。 | The method has been applied for optimization of a cam curve of a zoom lens obtained by optical design for which the range of pressure angle is optimized from 0° ～39． 01° to 15° ～ 31． 16° under constraints and the maximum pressure angle is reduced by 20． 12% ． |
| 13991 | 结果表明，该方法能够有效地应用于凸轮变焦系统设计以提高系统的性能。 | These results indicate that the method can be effectively applied to the design of cam zoom system for improving the performance of the system． |
| 13992 | 针对载机面对敌方来袭导弹自主规避问题，采取一种基于改进的 DDPG 算法的深度强化学习方法进行训练学习，在奖励函数中，除考虑规避性能外，还分别针对本机的高度保持、速度保持，以及来袭导弹的相对高度变化、接近速度变化建立奖励模型。 | To solve the problem of autonomous evasion of the carrier aircraft facing incoming enemy missiles a deep reinforcement learning method based on the improved DDPG algorithm is adopted for training and learning． In addition to considering the evasion performance in the reward function rewarding models are established respectively for the cost of the aircraft’s altitude maintenance and speed maintenance as well as the relative altitude change and the approaching speed change of the incoming missile． |
| 13993 | 最后，基于飞机模型进行了训练仿真测试分析，通过仿真可以看出，训练所得结果可以有效实现针对来袭导弹的规避决策，所设计的奖励函数和输入参数也可以起到相应正确的作用，并且结果具备一定的泛化能力。 | Finally, training simulation tests and analysis were conducted based on the aircraft model． Through simulation it can be seen that the training results can effectively realize the evasion decision of the incoming missile and the designed reward function and input parameters can also play a correct role and the results have certain generalization ability． |
| 13994 | 针对控制方向未知的情况下，具有线性外部系统的不确定非线性系统的全局鲁棒输出调节问题，假设系统和高频增益符号是未知的，并且未知的参数可以是任意大，这就为控制器的设计带来了挑战。 | The problem of global robust output regulation for uncertain nonlinear systems with linear external systems is studied when the control direction is unknown． It is assumed that the system and high-frequency gain symbols are unknown and the unknown parameters can be arbitrarily large which bring a challenge to the design of the controller． |