科创中国

设计并实现了一种智能家居无线用电监测系统.该系统由具有无线射频信号收发功能的智能无线电参数测量插座、带有nRF905和GPRS模块的互动监测终端和家居远程监控中心组成.该用电监测系统既能测量电能参数以及电能消耗,同时又能根据现行家用电器运行状态给出科学合理的运行策略来控制家居中每个电器.系统可以在很大程度上提高家居中的电能利用率,并可以延长家用电器的使用寿命.

为了评价各因素对大坝监测效应量的综合影响程度,提出一种新的灰色距离测度,并应用于大坝效应量分量比例确定中.首先利用主成分确定各分量真实系数,然后应用该理论确定各个分量的比例.工程实例表明,该方法简单可行,能科学有效地确定大坝效应量分量比例.

Now the optimization strategies for power distribution are researched widely,and most of them are aiming to the optimal fuel economy and the driving cycle must be preknown.Thus if the actual driving condition deviates from the scheduled driving cycle,the effect of optimal results will be declined greatly.Therefore,the instantaneous optimization strategy carried out on-line is studied in this paper.The power split path and the transmission efficiency are analyzed based on a special power-split scheme and the efficiency models of the power transmitting components are established.The synthetical efficiency optimization model is established for enhancing the transmission efficiency and the fuel economy.The identification of the synthetical efficiency as the optimization objective and the constrain group are discussed emphatically.The optimization is calculated by the adaptive simulated annealing(ASA)algorithm and realized on-line by the radial basis function(RBF)-based similar models.The optimization for power distribution of the hybrid vehicle in an actual driving condition is carried out and the road test results are presented.The test results indicate that the synthetical efficiency optimization method can enhance the transmission efficiency and the fuel economy of the power-split hybrid electric vehicle(HEV)observably.Compared to the rules-based strategy the optimization strategy is optimal and achieves the approximate global optimization solution for the power distribution.The synthetical efficiency optimization solved by ASA algorithm can give attentions to both optimization quality and calculation efficiency,thus it has good application foreground for the power distribution of power-split HEV.

The existing research of the acceleration control mainly focuses on an optimization of the velocity trajectory with respect to a criterion formulation that weights acceleration time and fuel consumption. The minimum-fuel acceleration problem in conventional vehicle has been solved by Pontryagin's maximum principle and dynamic programming algorithm, respectively. The acceleration control with minimum energy consumption for battery electric vehicle(EV) has not been reported. In this paper, the permanent magnet synchronous motor(PMSM) is controlled by the field oriented control(FOC) method and the electric drive system for the EV(including the PMSM, the inverter and the battery) is modeled to favor over a detailed consumption map. The analytical algorithm is proposed to analyze the optimal acceleration control and the optimal torque versus speed curve in the acceleration process is obtained. Considering the acceleration time, a penalty function is introduced to realize a fast vehicle speed tracking. The optimal acceleration control is also addressed with dynamic programming(DP). This method can solve the optimal acceleration problem with precise time constraint, but it consumes a large amount of computation time. The EV used in simulation and experiment is a four-wheel hub motor drive electric vehicle. The simulation and experimental results show that the required battery energy has little difference between the acceleration control solved by analytical algorithm and that solved by DP, and is greatly reduced comparing with the constant pedal opening acceleration. The proposed analytical and DP algorithms can minimize the energy consumption in EV's acceleration process and the analytical algorithm is easy to be implemented in real-time control.

设计了以STM32单片机为核心的智能家居控制系统.该系统以语音识别技术和GSM通信技术为基础,完成控制台、手持设备及门禁密码锁之间的通信,实现对室内家居电器的远程控制.实验结果表明,该系统运行稳定,具有广泛的应用前景.

设计了一个基于ARM技术的粮库嵌入式监测系统.该监测设备由两部分结构组成:一个是上位机电脑控制端对粮食信息的监测和处理,另一个是在下位机实现对粮仓粮食数据的采集,信号的处理以及通讯的功能.通过工业以太网或GPRS网络可以将数据从一方传给另一方.在此基础上展开以S3C2410处理器来实现粮食相关信息监测的研究,其中人机交互界面终端通过Qt/E来设计.试验测试结果证明了该系统的可靠性和稳定性.

就法律文本而言,当前我国义务教育阶段"在家上学"的合法性问题的核心是对"入学"这一义务教育法定形式的解释.根据扩大解释的法律解释方法,"入学"可理解为"进入义务教育内容的学习过程",从而"在家上学"的法律性质可界定为"法益".从权利关系来看,儿童的教育利益最大化是教育活动的应然目标,父母教育权与国家教育权的分配也应当以此为基础."在家上学"是家长以个性化方式积极履行父母教育权并保障子女受教育权利的活动,具有法理上的正当性,能够成为学校教育的辅助形式而存在,并在家庭和政府的合作间不断成熟.应当完善相关法律法规,进一步明确公民"在家上学"的合法性,并将其纳入政府的有效管理之中.

对河北省石津灌区总千渠闸门控制系统构建的重要性和必要性进行了分析,针对灌区具体情况提出了闸控系统的设计原则,选择了主从结构、分布式实时监测方式,闸门的控制选择了现地控制、远程监测模式,可以实现多重控制手段来保证系统安全有效的运行.文章对系统进行了详细的总体设计,并分别阐述了现地监控站的结构组成、闸控系统应实现的功能和软件的性能、可实现功能等内容.总结了系统建设经验和今后系统运行维护时的重点,为同类型灌区提供了一定的经验和借鉴.

介绍了葠窝水库发电厂旧监控系统,深入地分析了原有监控系统的现状,从设备、功能等方面剖析了其更新改造的必要性,并且从运行、维护、安全可靠及电站与调度通信等方面考虑,该厂必须进行监控系统的更新改造;在此基础上,按照"无人值班,少人值守"的设计总原则,对该电厂的保护监测系统、视频监控系统、大屏幕系统及励磁装置等设备,分别提出了具体改造方案和主要配置设备,并成功地实现了更新改造.

在船用视频监控系统中,考虑到特定的使用环境,结合硬件设计要求和实际安装、操控具体情况,采用有源差分信号发送放大器和接收器搭建了双绞线传输视频基带信号系统,同时,基CPLD器件开发了视频切换设备.船用环境下的应用结果表明本系统工作稳定可靠,完全满足设计要求.