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随着信息技术的飞速发展,汽车产业安全问题一直是关注的焦点问题,汽车参数检测仪开发就显得尤为重要。基于对嵌入式的研究,开发了一套便携式汽车参数检测仪,首先通过串口通信接收检测到的汽车参数,然后借助计算机图形学的知识将处理后的汽车参数图形化,最后提供一份汽车参数检测的报告单。对汽车模型做测试,可以有效的检测实时车速、车灯光强度、汽车尾气、汽车胎压和喇叭音量,为便携式的多功能汽车参数检测仪的发展奠定了良好的基础。 相似文献
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对超高频天线进行了比较全面的研究。在一种新型的便携式GIS局放UHF天线传感器的基础上,建立了一个基于时域检波波形的GIS故障局放模式识别库,为在GIS现场检测局部放电提供了参考依据。 相似文献
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便携式设备节电设计考虑因素 总被引：1，自引：0，他引：1
便携式设备或便携式产品（Portable Devioe Or Portable Product）的定义非常广泛，可以说，凡是以电池作为主要驱动能量的设备或产品，均可称之为便携式设备，这类产品中虽然大多数仍然保留了外接直流电源的接口，但内置的电池仍然是它的主要工作能源。 相似文献
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随着我国改革开放的不断发展,我国社会中各个企业也开始重视计量检测技术的应用,计量检测技术对于产品的质量具有着重要的意义,能够为产品的质量提供有力的保证。本文主要通过对计量检测技术的介绍,分析了计量检测技术在质量技术监督中的重要的作用,旨在为我国经济的发展提供参考。 相似文献
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《内蒙古科技与经济》2017,(9)
介绍了便携式镗孔机在应用推广和使用过程中所出现的故障,及其所对应的原因分析和故障处理方案,为便携式镗孔机在矿山设备机械加工检修中的广泛应用提供和累积了一定的参考经验,为同种设备的应用和使用有一定的借鉴意义。 相似文献
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This paper studies how to enhance frequency response function (FRF) estimation in the presence of harmonic disturbances during operational modal testing. A novel technique which utilizes impact-synchronous time averaging (ISTA) called impact-synchronous modal analysis (ISMA) was introduced where modal analysis can be performed in the presence of ambient forces. The phase angle information of the harmonic signal at the impact events is shown to be a key factor in enhancing the effectiveness of this technique. However, lack of knowledge and control of impact with respect to the phase angle of the disturbances using conventional impact hammer in ISMA has limited the effectiveness and practicality of this novel technique. A portable and automated phase controlled impact device is introduced in the effort to eliminate non-synchronous components with minimal possible impacts applied. This device makes use of the feeding phase angle information of responses from the cyclic load back to the device and imparts the impact at the correct time/phase which is always non-synchronous with respect to the phase of response from cyclic load. A reduced number of averages thereby expedite the overall modal testing procedure, an improved of FRF estimation and a good correlation of modal extraction data with benchmark data shown in this study has highlighted the advantages of ISTA using the proposed device. 相似文献
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为了减小了医务人员在工作紧张、简单的重复性较高的操作过程中犯错的机率,对各阶段的输入过程一目了然,本文以主控芯片TMS320LF2407A为主,在进行注射泵设计时,采用TOSHIBA公司生产的一款LCD控制器T6963C,提出了一种全新的显示模式--坐标显示。点阵式液晶显示模块性能稳定、价位较低,适合应用于便携式智能仪器仪表,是一种具有较高显示功能的显示器件。本文介绍了一种DSP控制器的设计方法,用于对内藏T6963C控制器液晶模块进行字符图形显示控制,给出了硬件接口的设计实现以及软件流程图。 相似文献
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随着武器装备的小型化,便携式装备应用越来越广,进而对便携式装备的体积、重量等指标方面的要求也越来越高。在单兵背负便携设备进行作战架设时,结构巧妙的支撑装置会给整个系统的背负、架设、撤收带来较好的实战效果。文章从支撑装置的选材、结构形式、功能等方面加以阐述,体现了该结构设计的新颖与实用性。 相似文献
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本文设计了一种基于单片机AT89C52的便携式电子秤,阐述了便携式电子秤的工作原理,重点介绍了便携式电子秤的硬件电路设计及软件设计流程。经测试,电子秤的各项性能均优于国家标准规定的二级秤的指标。 相似文献
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借助模糊数学中的层次分析法、模糊贴近度法以及要素权重设计等方法,利用计算机来模拟专家进行识别分析每一位被测试者,用微软的Visual Studio.Net、C#作为开发语言开发了一套员工能力素质测评应用系统,此系统可以对员工个体综合素质能力评价、现岗位适应性评价以及相关岗位适应性评价等方面做出具体描述,改进了过去依靠测评专家逐个进行筛选和评价的方法. 相似文献
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Suleyman Demir Nergiz Zorbozan Elif Basak 《Biochemia medica : ?asopis Hrvatskoga dru?tva medicinskih biokemi?ara / HDMB》2016,26(1):77-81
Introduction
We aimed to determine the number of repeated cholesterol (RC) tests and the ratio of unnecessary-repeated cholesterol (URC) tests among patients admitted to Pamukkale University Hospital (Denizli, Turkey) and provide solutions to avoid URC testing.Materials and methods
Total cholesterol (T-cholesterol) tests (N = 86,817) between June 2014 and May 2015 were evaluated. The tests performed more than once per patient were determined as RC test (N = 28,811). RC test with an interval shorter than 4 weeks were determined as URC test (N = 3968) according to the shortest retest interval stated in ACC/AHA blood cholesterol guideline. RC testing included internal medicine, surgery and paediatric outpatients and inpatients. Reference change value (RCV) of total cholesterol was calculated.Results
The 33.1% of the T-cholesterol tests were RC tests (N = 28,811), 13.7% of them were URC tests (N = 3968). Our RCV value was 25%. The percentage change between consecutive tests was less than RCV in 86.1% (N = 3418) of URC tests. URC tests were performed more frequently in patients with desirable total cholesterol value (P < 0.001).Conclusion
There is a significant part of repeated T-cholesterol tests requested in our hospital. URC test requests can be evaluated by laboratories and the obtained data should be shared with clinicians. Laboratories can calculate RCV for the tests they performed and report this value with the test result. To prevent from URC tests, a warning plug-in can be added to hospital information software in accordance with guidelines to prevent from URC test requests.Key words: unnecessary repeated cholesterol test, cholesterol retest interval, reference change value, laboratory costs, preanalytical phase, test requesting 相似文献19.
电涌保护器安全巡检仪是为了满足对电涌保护器进行常规和定期快速检测工作需要而开发的,是一款集合了多种仪表测试功能的一款多功能、智能型便携仪表.对电涌保护器安全巡检仪的原理及设计思路作以介绍的同时,对仪表的硬件设计、软件设计,以及主要元件的选择等问题作了简单介绍,并说明了系统设计、调试时应该注意的问题. 相似文献