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2017 12th IEEE Conference on Industrial Electronics and Applications (ICIEA)最新文献

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Closed loop control method of turn-on di/dt and turn-off du/dt for insulated gate bipolar transistors 绝缘栅双极晶体管di/dt通断和du/dt关断的闭环控制方法
Pub Date : 2017-06-01 DOI: 10.1109/ICIEA.2017.8283099
Xiang-yang Du, Quan Chen, Guoli Li, Cungang Hu, Qiubo Ye
With the rapid development of new power electronic devices, the application of high frequency switches has become more and more extensive, so it is very important to control the turn-on and turn-off losses of power electronic devices. In this paper, a new type of switching control for closed loop turn-on di/dt and turn-off du/dt is put forward after the IGBT (Insulated Gate Bipolar Transistor) drive circuit is deeply studied. An inductor is connected at the emitter of IGBT as feedback sampling, and the control of the IGBT turn-on is realized through a few auxiliary circuits. A capacitor is connected between the collector and the gate of the IGBT as feedback sampling, and the control of the IGBT turn-off is realized through a few auxiliary circuits. Multisim software is used for simulation and simulation results verify the correctness of theoretical analysis. The driving circuit can realize the mutual independence between the two closed loop control methods, which reduces the losses of IGBT in the turn-on and turn-off. Reducing losses has important significance to the operation efficiency, reliability and safety of the power supply at the same time.
随着新型电力电子器件的快速发展,高频开关的应用也越来越广泛,因此控制电力电子器件的通断损耗就显得十分重要。本文在对IGBT(绝缘栅双极晶体管)驱动电路进行深入研究的基础上,提出了一种新型的di/dt通、du/dt关断闭环开关控制。在IGBT的发射极处连接电感作为反馈采样,通过几个辅助电路实现对IGBT导通的控制。在IGBT的集电极和栅极之间连接一个电容作为反馈采样,并通过几个辅助电路实现IGBT关断的控制。利用Multisim软件进行仿真,仿真结果验证了理论分析的正确性。驱动电路可以实现两种闭环控制方式之间的相互独立,减少了IGBT在导通和关断中的损耗。同时,降低损耗对提高供电系统的运行效率、可靠性和安全性具有重要意义。
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引用次数: 3
A method for test case generation by improved genetic algorithm based on static structure of procedure 一种基于程序静态结构的改进遗传算法生成测试用例的方法
Pub Date : 2017-06-01 DOI: 10.1109/ICIEA.2017.8283076
Wen Jing, Zhang Yikun, Zhao Ming, Chen Hao, Hei Xin-hong, Jianxiong Shen
Software testing is an important method to guarantee software quality. For the large-scale complex software, some mistakes or errors will easily be overlooked if programs are detected only by manual work. Therefore, a full-automatic system is necessary to rapidly cover all program logics through calculation to achieve input and output; besides, the system can assist to generate a large number of test cases before manual intervention, and can find out some software defects to assist manual detection to complete compiling work of all test cases. In this paper, a combination of the static structure of procedure and improved genetic algorithm is proposed in order to implement a fully automatic test case generating technology, enhance the generating efficiency and coverage rate of codes, and also can help to save a lot of time in manual testing.
软件测试是保证软件质量的重要手段。对于大型复杂的软件,如果仅靠人工检测程序,很容易忽略一些错误或错误。因此,需要一个全自动系统,通过计算迅速覆盖所有程序逻辑,实现输入输出;此外,在人工干预之前,系统可以辅助生成大量的测试用例,并且可以发现一些软件缺陷,辅助人工检测完成所有测试用例的编译工作。本文提出了将程序静态结构与改进的遗传算法相结合的方法,实现了一种全自动的测试用例生成技术,提高了代码的生成效率和覆盖率,同时也节省了大量的手工测试时间。
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引用次数: 2
Effective use of unallocated coils in ERW steel tubing enterprises ERW钢管企业未配卷的有效利用
Pub Date : 2017-06-01 DOI: 10.1109/ICIEA.2017.8283035
Ding Wen-ying, T. Chao, Feng Ai-lan
To use the unallocated coils effectively is of great importance in ERW steel tubing enterprises. Aiming at solving the problem, an effective method of order-coil matching is to be proposed. This paper established a nonlinear integer programming model for the maximum order fulfillment rate or the maximum utilization of the coil. According to the characters of the model, an adaptive genetic algorithm based on the heuristic repair strategy was proposed. Finally, the feasibility and effectiveness of the proposed algorithm were verified based on actual production data. This study will improve the timely delivery capability of enterprise; be helpful to address the liquidity shortage, occupiers and other issues which are caused by the large number of unallocated coils. The results show that it will effectively decrease the waste of coils and bring considerable economic benefits to this kind of enterprises
有效地利用剩余盘管对钢管生产企业具有十分重要的意义。针对这一问题,提出了一种有效的有序线圈匹配方法。本文建立了最大订单完成率和最大线圈利用率的非线性整数规划模型。根据模型的特点,提出了一种基于启发式修复策略的自适应遗传算法。最后,基于实际生产数据验证了所提算法的可行性和有效性。本研究将提高企业的及时交付能力;有助于解决因大量未分配盘管而导致的流动性短缺、占用等问题。结果表明,将有效减少卷管浪费,为该类企业带来可观的经济效益
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引用次数: 0
Research on inventory sharing model of frequent mining machinery maintenance spare parts 矿山机械频繁维修备件库存共享模型研究
Pub Date : 2017-06-01 DOI: 10.1109/ICIEA.2017.8283026
Qinghua Zhang, Xiaodan Lv, Juan Shi
For the problem of high inventory level of mining machinery maintenance spare parts in the enterprises, an inventory sharing model is built based on distributed storage and ordering strategy of (R, S). To manage the spare parts inventories, a shared alliance center is established in the enterprises according to the inventory and order point. The centralized ordering model is established in order to minimize the inventory cost, and the optimal order quantity is solved by genetic algorithm.
针对矿山机械维修备件企业库存水平高的问题,基于(R, S)的分布式存储和订购策略,建立了库存共享模型。根据库存和订购点,在企业内部建立了共享联盟中心,对备件库存进行管理。以库存成本最小为目标,建立了集中订货模型,并采用遗传算法求解最优订货量。
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引用次数: 3
A novel assistive on-ramp merging control system for dense traffic management 一种面向密集交通管理的匝道入口合流辅助控制系统
Pub Date : 2017-06-01 DOI: 10.1109/ICIEA.2017.8282875
Weihai Chen, Zheng Zhao, Zhong Liu, Peter C. Y. Chen
On-ramps are area of frequent traffic congestion. Proper traffic guidance around on-ramp merging areas exerts a positive effect on the relief of traffic congestion. The objective of this paper is to design an assistive ramp-merging control (ARMCON) system. It utilizes knowledge about professional driver behavior and the dynamical relationship among the on-ramp vehicles, to produce timely information so as to guide the on-ramp drivers when merging with the main traffic flow. Under the guidance of ARMCON, disruption of the main traffic on the express way is minimized while a certain merging rate is maintained.
匝道是交通经常堵塞的地方。在匝道合流区域周围进行适当的交通引导对缓解交通拥堵具有积极的作用。本文的目标是设计一个辅助匝道合并控制系统(ARMCON)。它利用专业驾驶员行为知识和匝道车辆之间的动态关系,产生及时的信息,以便在匝道驾驶员与主要交通流合并时对其进行引导。在ARMCON的指导下,在保持一定的合流率的同时,最大限度地减少对高速公路上主要交通的干扰。
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引用次数: 5
Synthesis of liveness enforcing supervisory policies in Petri nets by stepwise refinement 通过逐步细化,合成Petri网中执行监督政策的活动性
Pub Date : 2017-06-01 DOI: 10.1109/ICIEA.2017.8282901
N. Somnath, R. Sreenivas
The refinement procedure of Suzuki and Murata [1] combines two Petri Nets (PNs) N1(m01) and N2(m02) in a prescribed manner to obtain a PN N3(m03). Under appropriate conditions, the liveness of the PNs N1(m01) and N2(m02) implies the liveness of the PN N3(m03). A PN that is not live, can be made live by a liveness enforcing supervisory policy (LESP). In this paper, we develop the results of Suzuki and Murata to yield a class of PNs for which an LESP for N3(m03) can be represented in terms of local-LESPs for N1(m01) and N2(m02).
Suzuki和Murata[1]的改进程序将两个Petri网(PN) N1(m01)和N2(m02)按规定的方式组合在一起,得到一个PN N3(m03)。在适当的条件下,pnn1 (m01)和N2(m02)的活性反映了pn3 (m03)的活性。非活动的PN可以通过活动强制监督策略(LESP)使其活动。在本文中,我们发展了Suzuki和Murata的结果,得到了一类PNs,其中N3(m03)的LESP可以用N1(m01)和N2(m02)的局部LESP来表示。
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引用次数: 0
Genetic algorithm for the synthesis of logic-functional control system of dynamic object 遗传算法在动态对象逻辑功能控制系统综合中的应用
Pub Date : 2017-06-01 DOI: 10.1109/ICIEA.2017.8283029
Atiencia Villagomez, J. Miguel, S. Elena
This paper presents the multi-criteria genetic algorithm for the synthesis of logic-functional control system by the network operator method. The algorithm is designed for the simultaneous finding two network operators. One network operator describes a multidimensional algebraic function for functional control system. Another network operator describes a multidimensional logic function for the subsystem logical choice. Variation principle of the basic solution is used. An algorithm contains an additional indication vector that indicates the basic solution to which it is necessary to apply a certain variation. For the selection of the best solutions rank criterion is used. The result of the algorithm is a Pareto set, which consists of solutions with zero ranks. An example of the logic-functional control system of the quadcopter movement over spatial trajectory is given.
提出了一种基于网络算子的多准则遗传算法,用于逻辑功能控制系统的综合。该算法设计用于同时寻找两个网络运营商。一个网络算子描述了功能控制系统的多维代数函数。另一个网络运营商描述了子系统逻辑选择的多维逻辑功能。采用了基本解的变分原理。算法包含一个额外的指示向量,该指示向量表示需要对其应用某种变异的基本解。对于最优解的选择,采用秩准则。算法的结果是一个Pareto集合,它由零阶的解组成。给出了四轴飞行器空间轨迹运动逻辑功能控制系统的一个实例。
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引用次数: 1
A gradient-based algorithm for trend and outlier prediction in dynamic data streams 基于梯度的动态数据流趋势和异常值预测算法
Pub Date : 2017-06-01 DOI: 10.1109/ICIEA.2017.8283162
Dawei Sun, Vincent C. S. Lee, Ye Lu
Trend and outlier are frequently used to derive early warning predictive signal to decision maker in order to achieve ultimate quality decision outcome in domain specific (e.g. commercial, scientific, biomedical and engineering, just to name a few) applications. We develop a gradient-based algorithm using sample entropy gradient(SEG) for trend and outlier prediction in high frequency time series data streams. L2 similarity measure (Euclidean distance between two linearized gradient curves is then computed and used to quantify the degree of similarity and compared with a threshold L2 value to judge the extend of dissimilarity that would be classified as outlier. SEG algorithm which circumvents the need to pre-specify tolerance parameter in those cross sample entropy (CSE)-based algorithms that invariably involve real domain expert to set the tolerance threshold. We conduct real data experiments on SEG algorithm to two application areas: dynamic wind speed data stream; and financial time series data. Our experiments demonstrated that SEG algorithm can be feasibly used in online implementation to derive predictive early warning signals to domain-specific decision maker.
在特定领域(如商业、科学、生物医学和工程,仅举几例)的应用中,趋势和离群值经常被用来为决策者提供预警预测信号,以实现高质量的最终决策结果。我们利用样本熵梯度(SEG)开发了一种基于梯度的算法,用于预测高频时间序列数据流中的趋势和异常值。然后计算 L2 相似度量(两条线性化梯度曲线之间的欧氏距离),并将其用于量化相似度,然后与阈值 L2 值进行比较,以判断将被归类为离群值的相似度范围。SEG 算法避免了那些基于交叉样本熵(CSE)的算法中预先指定容差参数的需要,因为这些算法总是需要实际领域的专家来设置容差阈值。我们在两个应用领域对 SEG 算法进行了真实数据实验:动态风速数据流和金融时间序列数据。实验结果表明,SEG 算法可用于在线实施,为特定领域的决策者提供预测性预警信号。
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引用次数: 0
Robust sliding mode controller design of a dual-stage actuator system for S-curve tracking s曲线跟踪双级作动器系统鲁棒滑模控制器设计
Pub Date : 2017-06-01 DOI: 10.1109/ICIEA.2017.8282936
P. I. Chang, Z.-H. Chaing
In order to provide speed and accuracy in a long-stroke precision positioning system, the Dual-Stage Actuator (DSA) design have been utilized widely in different industrial applications. This paper uses the Fast Non-singular Terminal Sliding Mode (FNTSM) controller, a known robust method, for controlling such a DSA system, applied to track a s-shaped reference trajectory. A full controller design is derived for this DSA system, and further analysis with the selection criteria of the controller parameters for the DSA improves the tracking performance over traditional PID and Non-Singular Terminal Sliding Mode (NTFS) ones. Simulation results demonstrate the FNTSM controller feasibility and verify its robustness, especially accounting the relative distance between the two actuators. An order of magnitude improvement on error and relative distance is shown when the DSA system is accelerating and decelerating on the s-shaped trajectory movement.
为了在长行程精密定位系统中提供速度和精度,双级执行器(DSA)设计已广泛应用于不同的工业应用中。本文采用快速非奇异终端滑模(FNTSM)控制器,这是一种已知的鲁棒方法,用于控制这种DSA系统,并应用于跟踪s型参考轨迹。推导了该DSA系统的完整控制器设计,并进一步分析了DSA控制器参数的选择准则,从而提高了传统PID和非奇异终端滑模(NTFS)系统的跟踪性能。仿真结果证明了该控制器的可行性,并验证了其鲁棒性,特别是考虑了两个执行器之间的相对距离。当DSA系统在s型轨迹上加速和减速时,误差和相对距离都有一个数量级的改善。
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引用次数: 0
High-precision resistance calibrator error analysis and error distribution technology research 高精度电阻校准器误差分析及误差分配技术研究
Pub Date : 2017-06-01 DOI: 10.1109/ICIEA.2017.8283039
Chunling Yang, Hongyi Sun, Min Zhu
In order to improve the high-precision resistance calibrator system, the error analysis model is established for each part of the hardware circuit and the calculation result of the output error of the resistance calibrator circuit is given in this paper. In order to further improve the precision of the resistance calibrator system, the error distribution scheme is proposed based on the principle of error distribution and feasibility analysis is also verified, which makes the resistance calibrator system meet the index and requirements.
为了改进高精度电阻校准器系统,建立了硬件电路各部分的误差分析模型,给出了电阻校准器电路输出误差的计算结果。为了进一步提高电阻校准器系统的精度,根据误差分布原理提出了误差分布方案,并进行了可行性分析验证,使电阻校准器系统满足指标和要求。
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引用次数: 0
期刊
2017 12th IEEE Conference on Industrial Electronics and Applications (ICIEA)
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