sequence n. 1.继续;接续;连续。 2.顺序;程序;次第;关系;关联。 3.后果;结果;接着发生的事;后事;后文。 4.【数学】数列;序列;数贯。 5.【无、计】指令序列;定序。 6.【计算机】顺序机〔将信息项目排成顺序的机器〕。 7.【音乐】用不同音调反复演奏一组乐句。 8.【天主教】宣讲福音前唱的圣歌。 9.【牌戏】顺。 10.【电影】(描述同一主题的)连续镜头;片断,插曲;场景。 a logical sequence 条理;逻辑顺序。 a causal [physical] sequence 因果关系。 the natural sequence to [for] folly 愚笨行为的必然结果。 in rapid sequence 一个接着一个;紧接着。 in regular sequence 挨次;按次序;逐一;有条不紊地。 in sequence 挨次;顺次;逐一。 sequence of tenses 【语法】时态的配合[接续,呼应]。
There are three key issues in the planning of digital product pre - assembly : definition of assembly modeling , strategy of computing assembly sequences and evaluation / optimization of assembly sequences 在规划数字化产品装配序列中,核心问题有三个:产品装配模型的定义;装配序列的求解策略;装配序列的评价及优化。
With the development of robotics , the robots are used as assembly tools in fms . how to make robot work well in assembly and the assembly sequence planning will be the urgent problem to solve we face now 随着机器人技术的发展,其中以机器人为装配工具的柔性装配? ?机器人装配及其装配规划,日益成为制造自动化中急待解决的问题。
At last , this paper discusses the content of assembly sequence planning . based on the comparison of several typical assembly sequence generation algorithms , assembly state vector ( asv ) method is introduced to this system 在分析几种典型装配次序生成方法的基础上,提出了本系统采用的装配次序生成方法- - - -装配状态矢量法( asv ) 。
Based on the current researches in these issues , this thesis proposes a series method to generate , evaluate and optimize the digital product pre - assembly sequence in large scale 本文结合国内外研究现状和实际情况,针对数字化产品装配序列规划中的关键技术进行了深入研究,提出了一套解决大规模装配体装配序列生成、评价与优化问题的方法。
The main researches are as follows : 1 . the key technology of the assembly process planning including creating the assembly model , assembly sequence planning and expression of the assembly sequence et al is researched 主要的研究内容包括: 1 、研究了装配工艺规划的几个关键技术,包括装配工艺建模、装配序列规划、装配序列的表达等。
For the problem of feeder assignment , a new model for optimization is presented , which directly takes the total time spent to assembly the whole pcb as its objective , supposing the assembly sequence is already known 摘要针对贴片机喂料器的分配问题,给出一个新的模型,在贴装顺序已知的前提下,以贴装整块电路板所花费的总时间作为优化目标。
This method can take account of stability of assembly , generate the feasible assembly sequences through checking the feasibility of assembly , and the hpfcm can be used for expressing the assembly model of complicated products clearly 该方法可以考虑装配的稳定性,通过装配可行性检查来产生实际可行的装配序列,而且可以清晰地表达复杂产品的装配模型。
A method to generate assembly sequences using hierarchical probabilistic fuzzy cognitive map ( hpfcm ) based on expert knowledge was developed based on the assembly information of products and a network graph extracted and drawn by a 3d software ug 摘要提出在三维软件ug二次开发提取产品装配信息并建立网络图的基础上,基于专家知识建立层次概率模糊认知图来产生装配序列。
The result of analysis shows that under the prerequisite of not increasing additional expenses employing reasonable joint form and assembly sequence among components could also reach the same aim of reducing the final assembling deviation 分析结果表明,车身装配过程中,在不增加额外费用的前提下,零件之间采用合理的接头形式和装配顺序,同样能达到降低最终装配偏差的目的。
Compared with the conventional methods , assembly planning sequence based on polychromatic sets excludes the unreasonable assembly sequences in advance to avoid the exponential explosion due to the expansion of constrain relation 与传统的装配序列规划方法相比,基于多色集合理论的装配序列规划方法通过装配约束关系方程,提前排除了不合理的装配序列,因此避免了由约束信息膨胀产生的组合爆炸。