现代科技在各个领域都有广泛的应用,对促进企业智能化发展具有十分重要的意义,给人们的生活和生产带来很大的影响.为了推动制造业的高质量发展,需要在机械制造业中引入人工智能,不仅能提升生产效率,还能节约人力,减少人力成本的消耗.机械制造与自动化中引入人工智能,这是时代发展的必然要求,对推动工业的升级和转变起到了很好的推动作用.文章概述了人工智能技术的定义和特征,分析了人工智能在机械自动化中的应用优势,阐述了人工智能的具体应用,并为该技术在机械自动化中的应用提出优化策略,希望能为制造行业的智能化、自动化发展提供一定的借鉴作用.

针对工程机械结构原理与维修教学需要,分析虚拟仿真实验的基本原理,设计涵盖 7 种常用工程机械的虚拟维修训练系统.基于虚拟仿真技术的交互控制原理,完成了自主学习、虚拟拆装训练及考核评价3个主要功能模块的设计与开发.教学实践表明,基于虚拟仿真技术的工程机械虚拟维修训练系统互动性好、沉浸感强,可以有效改善工程机械结构原理与维修教学效果.

金刚石砂轮磨削加工仍然是最有应用前景的硬脆材料高效加工途径,而弄清磨削加工机理对实现硬脆材料元器件的高效超精密加工具有重要意义.介绍硬脆材料微纳切削的静态压痕断裂力学模型与动态切削加工近似模型这两种经典模型,诠释了塑脆转变机制.深入分类探讨了硬脆材料的脆性去除、塑性域去除与粉末化去除这3项加工机理,材料去除是裂纹演化、挤压微破碎、相变与位错等因素导致而成.塑性域加工是改善硬脆材料加工损伤的重要措施,而力热耦合作用场、材料晶面晶向等因素都是影响塑性域去除机制的关键.

工程陶瓷等硬脆材料在切削加工过程中极易发生裂纹、破碎和剥落等碎裂损伤现象,从而影响元器件的使用性能与寿命.碎裂损伤已成为制约硬脆材料切削加工领域的一项难题,促生了延性域加工、热软化辅助加工、增韧抑制辅助加工等低损伤先进加工技术.本文从硬脆材料的碎裂损伤及其控制技术角度介绍了硬脆材料加工领域的重要研究进展与亟待解决问题,为开发新型高效精密加工与质量可控技术提供新思路.

微纳切削加工是硬脆材料最高效的精密/超精密加工方法,而模拟简化试验与计算机模拟能为错综复杂的切削加工过程提供重要研究手段,便于从宏微观跨尺度层面阐释硬脆材料切削加工机理.有限元、离散元与分子动力学等计算机模拟手段能可视化虚拟实际切削加工难以展示的应力应变、裂纹演化、材料去除等动态过程.微纳切削加工模拟研究证实了硬脆材料在特定临界条件下发生脆塑转变效应,为纳米尺度的塑性域超精密加工技术提供重要依据.然而,微纳切削模拟研究方法因受限于理想化模型与时空尺度差异等因素,还存在一些亟待优化解决的复杂难题.

采用Vega Prime在MFC框架下开发了凿岩台车仿真模拟训练系统.搭建了基于PCI总线的交互通信控制平台,并采用多线程技术实现了多采集卡与计算机的同步数据通信.采用并研究了多种软件辅助Creator建模的方法,研究了基于DOF节点的凿岩台车钻臂运动仿真实现方法,实现了系统的实时动态交互.采用主动式3D立体成像原理,研究了在Vega Prime中实现3D立体效果显示的方法,结合3D眼镜实现了系统的立体成像功能.通过运行结果表明系统视景输出稳定逼真,所采用的方法有效.

The Fault detection and diagnosis for sensors is important for the performance of the rock drilling jumbo seriously.The kernel principal component analysis (KPCA)effectively captures the nonlinear relationship of the process variables,which computes principal component in high-dimensional feature space by means of integral operators and nonlinear kernel functions.The KPCA method was used in diagnosing for four common sensor faults.At first its fault was detected by Q statistic,secondly its fault was identified by T2 contribution percent change.The simulation and the practical result shows the KPCA method has good performance for complex control system in sensor fault detection and diagnosis.

The computer drilling jumbo has a bright application in the construction of the national defense which has used the NATM method in construction widely,not only improve the construction quality,but also speed up the construction schedule and shorten the time by applying the scientific organization and arrangement. Aiming at the computer drilling jumbo under the Ⅰ,Ⅱ,Ⅲ grade horizontal surrounding rocks,Ⅳ and Ⅴ grade horizontal surrounding rocks construction in the national defense projects,this paper applied the network planning technology to optimize the procedure of the construction and the time schedule,drawn the activity-on-arrow network diagram and the form of procedure relationship which used the restrain module method for all above arrangements for construction,got the crucial routes of arrangements for construction. According to the actual construction,compressed the duration of the crucial works which have the most influence on the time of the construction,finally optimized the time for computer drilling jumbo in the tunneling construction.

Through to HZS series concrete mixing station mixing console cleaning,sealing,lubrication and analyzes briefly,to emphasize attention mixing console daily maintenance,they are also the important role of maintenance process notable question analysis,and points out that the phenomenon and put forward concrete measures.

通过对混凝土搅拌站电气控制系统常见故障的现象、原因进行简要的探讨,最后得出排除故障的一般方法.其目的是为电气控制系统故障诊断提供依据,以达到延长机械系统使用寿命、提高生产效率的目的.