针对圆(近圆)轨道航天器相对运动的固定时间状态转移问题，提出了一种基于导航点的多脉冲优化轨迹生成策略。
An optimal trajectory generation strategy based on way-points is presented to solve the fixed-time state transition for spacecraft relative motion in a circular orbit.
数控系统的快速性、驱动优化和刀具轨迹的充分处理会获得快速精确的程序执行效果，可用于复杂形状加工。
The sum of the control quickness, drive tuning and efficient handling of the tool path is said to yield fast and accurate program execution even when working with complicated shapes.
采用沿约束轨迹的推演计算方法及优化原理对航天飞机自动着陆飞行轨迹进行优化设计。
This paper applies the technique of constrained trajectory propagation and optimal theory to design the autolanding trajectory for a space shuttle.
采用迭代法求解该优化方程来逼近运动轨迹任意处伪活动标架的旋转变换矩阵。
An iteration method is presented to solve the optimization function for approximating the rotation transformation part of the pseudo moving frame at any position of the motion trajectory.
轨迹优化是新型高超声速滑翔式再入飞行器方案设计的关键技术之一。
Trajectory optimization is one of the key factors in scheme planning of the new type of hypersonic gliding reentry vehicles.
而且，总结了基于能量状态近似法的飞行轨迹优化算法。
In addition, the flight path optimization algorithm based on energy state approximation is summarized.
主要关键技术包括参数化特征建模、数控加工切削参数优化、刀具轨迹规划等。
Adopting the main key technologies including feature-based modeling, optimization of cutting parameter, layout of the cutters tracks etc.
主要关键技术包括参数化特征建模、数控加工切削用量优化、刀具轨迹规划等。
Adopting the main key technologies including feature-based modeling, optimization of cutting parameters, layout of the cutters tracks etc.
因此，直接配点法对于再入轨迹优化问题的求解是可行的。
Therefore, the direct collocation method is a viable approach to the reentry vehicle trajectory optimization problem.
根据飞剪剪切机构的工作特点，综合考虑连杆运动轨迹、速度和位置角，建立多目标优化模型。
Based on the working feature of flying shear mechanisms and considering the motion track, velocity and position Angle of connecting rod, a multi-objective optimization model is built.
设计了加工轨迹，通过实验研究，对成形路径，尤其是第一道次进行了优化，在此基础上加工获得了高径比为0.5的直壁筒形工件。
The vertical wall cylinder part with 0.5 height-diameter ratio can ultimately be formed in the practical manufacture after the forming track, especially the first optimal forming path.
并在运动轨迹的优化与平滑方面进行了探讨。
And a discussion is made in optimization and smoothness of motion path as well.
轨迹优化是高超声速滑翔式飞行器关键技术之一。
Trajectory optimization is a key technology of hypersonic glide vehicle.
走刀轨迹的优化对复杂型面的高速高精度加工起着十分关键的作用。
Optimization of cutting path in complex shape machining of CNC machine tools under high speed and accuracy condition is a crucial problem.
最后通过一个“电话上盖凹模加工”实例实现刀具轨迹的优化。
Finally, the tool path optimization has been realized through the example of "a telephone's top head concave mold processing".
研究了利用机构输出特性的谐波特征参数进行带有预定时标连杆轨迹优化尺度综合的方法。
The method of optimal dimension synthesis for path generation with prescribed timing by using harmonic characteristic parameters of the planar linkage's output properties is developed in this paper.
归航轨迹的设计和优化对实现翼伞系统的精确空投至关重要。
Design and optimization of homing trajectory is essential for accurate aerial delivery of parafoil system.
采用在初始位置延迟最小时间的方法，获得了双机器人时间优化的无碰撞轨迹。
Adopting the method of delaying minimum time in initial position, the time-optimal and collision avoidance track of dual robots was obtained.
结合弹簧模型、变密度法和拓扑优化工具，研究了实现平面可控轨迹输出柔顺机构的设计方法。
This paper described the use of spring model, penalized density method and topology optimization as a synthesis tool for the design of controllable path-generating compliant mechanisms.
井眼轨迹控制是侧钻水平井技术的核心，而轨道设计与优化设计又是轨道控制技术的两大关键技术之一。
The control of the trajectory is the core technique in horizontal well technique, while trajectory design and optimal design are the two key techniques.
应用地应力分布指导钻井轨迹，为井眼轨迹优化提供了新的研究方法。
Geostress distribution is used to guide drill track, offering a new method to optimize well track.
寻求水库最优调度轨迹过程线是水库优化调度中的经典、难点问题。
It is a classic and difficult issue to find the reservoir optimal scheduling process.
提出了以最小焊缝误差为目标的机器人优化焊接轨迹示教法。
A teach by showing programming strategy for optimal robotic are welding with a minimum seam error is suggested.
介绍了一种双机器人时间优化的避碰轨迹规划方法。
A kind of track planning method for time-optimal and collision avoidance dual robots was introduced.
通过对磁聚焦系统进行优化设计，外层电子注轨迹得到明显改善。
Optimization of the magnetic focusing system can decrease the radial magnetic induction and improve the electron beam quality.
数控切削加工工艺参数及刀具运动轨迹优化是发挥数控加工设备生产效率的有效途径。
The optimization of NC machining process parameters and the cutting tool path is the available approach of exerting the NC machining equipment productivity.
该文讨论了使用中轨共地面轨迹星座建立区域覆盖卫星通信系统的优化设计方法。
An optimization design method for implementing regional coverage satellite system with common-track constellation is proposed.
飞行器再入轨迹优化是一类最优控制问题。
Spacecraft reentry trajectory optimization is a kind of optimal control problem.
本文直接模拟了劳工市场的非均衡过程、工资动态轨迹、经济人的最优行为和适应性优化行为。
This paper explicitly models the labor market disequilibrium process, the wage rate dynamic path, and the optimal and adaptive economizing behaviors of economic agents.
本文直接模拟了劳工市场的非均衡过程、工资动态轨迹、经济人的最优行为和适应性优化行为。
This paper explicitly models the labor market disequilibrium process, the wage rate dynamic path, and the optimal and adaptive economizing behaviors of economic agents.
应用推荐