排序方式： 共有26条查询结果，搜索用时 15 毫秒
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杨光 《兰州石化职业技术学院学报》2004,4(2):6-7
在应用CAM软件的自动编程中，G90和G91在自动换刀时，刀具运行轨迹对加工工件会产生不同影响。调整程序段中的相关语句，可避免换刀时发生的撞刀现象。 相似文献
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Pu-yan Nie 《Journal of The Franklin Institute》2005,342(7):737-748
Stackelberg games, which play extremely important roles in such fields as economics, management, politics and behavioral sciences, can be modelled as a bilevel optimization problem. There exist extensive literatures about static bilevel optimization problems. However, the studies on dynamic bilevel optimization problems are rather scarce in spite of the importance in explaining and predicting some phenomena rationally. In this paper, discrete time dynamic Stackelberg games with open loop complete state are revisited. An example, which comes from law field, is presented as an open-loop Stackelberg game to illuminate the rangy application of game theory. A property based on Bellman's equation is proposed without any restriction about inner point solution for open-loop Stackelberg games in this work. Moreover, we point out that open-loop Stackelberg games perform no better than both feedback and closed-loop dynamic Stackelberg games with complete information, which seems quite valuable to explain some social and economic phenomena. 相似文献
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This paper contributes to the debate on the energy efficiency paradox according to which consumers fail to adopt cost-effective, energy efficient technologies over less efficient technologies and therefore fail to reduce energy consumption. Both traditional and behavioural theories are used to investigate the decision-making process of residential consumers with empirical evidence based upon a specially designed quasi-experimental survey of 784 households on the decision to connect to a district-heating system, a more energy efficient alternative to individual heating systems. The results suggest an internal discount rate of around 36 per cent for homeowners, a signal that consumers undervalue future energy costs. We also find the household’s decision to be negatively affected by years of payback up to around 7–8 years. Our findings suggest that neglecting consumer inattention and heuristics can lead to biases which cast doubt on the existence of the energy efficiency paradox. We believe that these results help to explain why some consumers are unlikely to invest in energy efficient technology, particularly those on low incomes. 相似文献
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在应变速率为10-3～10-1S-1、温度为150℃～400℃的条件下,在万能试验机上对AZ91D镁合金板材进行了在线加热拉伸试验,获得了各成形条件下0°、45°、90°三个方向的应力应变曲线。试验结果表明,当拉伸温度增加或拉伸速率降低时,板料的屈服强度和抗拉强度降低,而其塑性变形能力提高;板材具有明显的各向异性,45°方向塑性变形能力最高,90°方向时最低。 相似文献
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基于便携式测控仪在野外工作的时候需要使用实时时钟为背景,对Linux的I2C （Inter-Integrated Cir-cuit）体系结构进行分析,以AT91SAM9263核心板以及一个支持I2C协议并自带晶振的RTC （Real-Time Clock）芯片SD2403API为硬件环境,完成对RTC芯片在Linux下的驱动设计与实现,并在某大型设备测试项目中得到应用,验证了驱动设计的可行性。 相似文献
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本文阐述了基于AT91RM9200微控制器的同步串行控制器配置原理。通过典型的例子详细介绍了SSC的配置过程。SSC支持用于音频或高速串行链接的几种串行通信模式。 相似文献
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李爱军 《河北师范大学学报(哲学社会科学版)》2014,(6)
在武昌起义爆发至清帝逊位期间,即狭义的辛亥革命时期,康有为的著述不限于《救亡论》与《共和政体论》。依据他这一阶段的著述,康有为提出的“虚君共和”主张内容较为复杂,存在很强的张力,学界有关康有为以英国为“虚君共和”典范、其有关思想不过是他君主立宪主张翻版等传统观点,尚有进一步商榷的必要。依据“共和”国体与政体的内涵,康有为的失败似乎也不在于“虚君”,或可以说名在“虚君”,而实在“共和”。 相似文献