摘要：工业机器人广泛应用于拾捡包装行业,该应用场景一般要求机器人具备3个自由度平动和1个自由度旋转的高速运动能力,因此,Delta、Par4等机器人相继应运而生。本文设计了一款高速四支链并联拾捡机器人picking,其具备Par4机器人运动支链对称分布的设计特点,还优化了一种适用于该类机器人的新型动平台,使得整体设计具有结构对称、无移动副部件、无内部奇异点等优异机构特点,并针对该机器人采用一种新方法求解运动学问题,以牛顿-欧拉法为基础建立动力学模型,通过ADAMS~?仿真结果验证动力学模型的正确性,为基于动力学模型的控制率设计打下良好基础,最后,通过实验验证了运动学和动力学算法的正确性,展示了picking机器人优异的机构运动能力:最大速度可达6m/s,最大加速度可达16g,标准轨迹(25mm×305mm×25mm)运动周期为0.27s。

摘要：In view of landscape design problems in the transition from vegetable producing garden to sightseeing and picking garden,definitions of both gardens were introduced and *** was proposed that landscapes in the vegetable sightseeing and picking garden included installations,open-field vegetable producing landscapes and overall environment *** design concepts and principles of vegetable sightseeing and picking garden were analyzed,and it was stressed that its landscape design should take quality production of vegetables and fruits as the principal line,environment landscapes of the garden as the support,and experiencing production process as the feature,by following the principles of "integrity of garden design,characteristic vegetable varieties,proper crop rotation,ecological production process".Landscape contents of this garden were analyzed from 3 perspectives:landscape design within installations,major road,and overall appearance of the *** Vegetable Sightseeing and picking Garden in Beiwu Township,Shunyi District,Beijing City was taken for an example to analyze its landscape construction inside and outside greenhouses as well as the optimization of the overall environment landscapes on the basis of introducing its landscape design concepts.