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2017 29th Chinese Control And Decision Conference (CCDC)最新文献

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3PL inventory pledge decision analysis under the unified credit logistics model 统一信用物流模型下的第三方物流库存质押决策分析
Pub Date : 2017-05-28 DOI: 10.1109/CCDC.2017.7978910
Shi Jun, Zhuang Xintian, L. Congcong, Z. Weiping
Based on supply chain inventory pledge financing, under the unified credit model, the research object is supply chain that consists of third-party logistics companies, financial institutions, manufacturers, small and medium retail businesses, research the TPL inventory credit decision problem when the market demand is random. The credit decision model of the third party logistics enterprises is constructed, and the supervision degree and the regulatory cost function are introduced into the expected return model of logistics enterprises. This paper discussed the problem of the retailer credit risk and the service decision of the logistics enterprise, and gives the corresponding countermeasures and suggestions.
基于供应链库存质押融资,在统一信用模型下,以第三方物流企业、金融机构、制造商、中小零售企业组成的供应链为研究对象,研究市场需求随机时第三方物流企业库存信用决策问题。构建了第三方物流企业的信用决策模型,并将监管程度和监管成本函数引入物流企业预期收益模型。本文对零售商信用风险与物流企业服务决策问题进行了探讨,并给出了相应的对策和建议。
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引用次数: 0
Design and implementation of LiDAR navigation system based on triangulation measurement 基于三角测量的激光雷达导航系统的设计与实现
Pub Date : 2017-05-28 DOI: 10.1109/CCDC.2017.7978258
Cong Dehong, Zhang Liangqi, Sun Pengpeng, Tang Zaiyang, Meng Yuhao, Wang Yong
Lidar, an important navigation instrument, is applied on various service robots and is receiving increasing attention. To solve the problem that present lidar systems are large, expensive, complecated to use and have low accuracy. This paper introduces a lidar navigation system with an upper computer application facing service robots. This lidar system is based on triangulation measurement which can get accurate distance results with our algorithm and the upper computer application can draw a 2D image. This system emits laser with a 5nw visible laser transmitter and receives the laser with a Dlis 2k photosensitive sensor, so that the system can calculate the distance to the measured object. With our mechanical design, our lidar system can realize 360° measurement. It also has an accaptable accuracy and cost.
激光雷达作为一种重要的导航仪器,在各种服务机器人上的应用越来越受到人们的重视。为了解决当前激光雷达系统体积大、价格昂贵、使用复杂、精度低等问题。介绍了一种面向服务机器人的基于上位机的激光雷达导航系统。该激光雷达系统以三角测量为基础,采用该算法可以得到精确的距离结果,上位机应用程序可以绘制二维图像。该系统使用5nw的可见光激光发射器发射激光,并使用Dlis 2k感光传感器接收激光,从而计算出与被测物体的距离。通过我们的机械设计,我们的激光雷达系统可以实现360°测量。它还具有可接受的精度和成本。
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引用次数: 4
IMC — Dahlin temperature regulator for thermostat IMC -达林温度调节器用于恒温器
Pub Date : 2017-05-28 DOI: 10.1109/CCDC.2017.7979243
Puxian Li, Zhong Zhao
In this work, an IMC (Internal Model Control) — Dahlin temperature control method based on relay feedback self-tuning identification is proposed. The proposed method is based on relay feedback self-tuning identification and has double-loop control structure. According to the time delay and large time constant features of thermostat regulation, Dahlin control algorithm is applied to the inner loop to stabilize the process. To compensate the ringing response of Dahlin control and improve the robustness of the overall system, IMC control algorithm is applied to the outer loop. The parameters of Dahlin controller and IMC controller are optimized with LQR (Linear Quadratic Regulator) algorithm. The proposed method has been applied to develop a temperature regulator based on C2B8SNFA MCU (Micro Controller Unit) for thermostat. The real application results have verified the feasibility and effectiveness of the proposed method and the developed temperature regulator for thermostat.
本文提出了一种基于继电器反馈自整定辨识的内模控制-达林温度控制方法。该方法基于继电器反馈自整定辨识,具有双环控制结构。针对恒温调节的时滞和时间常数大的特点,将Dahlin控制算法应用于内环,实现过程的稳定。为了补偿Dahlin控制的振铃响应,提高整个系统的鲁棒性,外环采用了IMC控制算法。采用LQR (Linear Quadratic Regulator)算法对Dahlin控制器和IMC控制器的参数进行优化。该方法已应用于基于C2B8SNFA单片机的温控器温度调节器的开发。实际应用结果验证了所提出的方法和所研制的温控器的可行性和有效性。
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引用次数: 0
Simulation of PMSM field-oriented control based on SVPWM 基于SVPWM的永磁同步电机磁场定向控制仿真
Pub Date : 2017-05-28 DOI: 10.1109/CCDC.2017.7978524
Li Yu, Chunyang Wang, Hongwei Shi, Ruihao Xin, Lingxin Wang
Aiming at the nonlinear and multivariable complex systems of permanent magnet synchronous motor, a magnetic field oriented control strategy based on SVPWM permanent magnet synchronous motor is proposed. The space vector PWM has the character of wide linear range, little higher harmonic and easy digital realization. The FOC theory and SVPWM technique make the PMSM can achieve the performance as well as DC motor. The mathematical model of PMSM is analyzed and the system model of FOC vector control has been established. The control system has been also simulated by MATLAB/Simulink. The simulation results accord with the real motor's performance and provide the theory basis for the designing of real system.
针对永磁同步电机非线性多变量复杂系统,提出了一种基于SVPWM的永磁同步电机磁场定向控制策略。空间矢量PWM具有线性范围宽、谐波小、易于数字化实现等特点。FOC理论和SVPWM技术使永磁同步电机可以达到直流电动机的性能。分析了永磁同步电机的数学模型,建立了FOC矢量控制系统模型。利用MATLAB/Simulink对控制系统进行了仿真。仿真结果符合实际电机的性能,为实际系统的设计提供了理论依据。
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引用次数: 27
ROS-based UAV control using hand gesture recognition 基于ros的无人机手势识别控制
Pub Date : 2017-05-28 DOI: 10.1109/CCDC.2017.7978402
Yangguang Yu, Xiangke Wang, Zhiwei Zhong, Yongwei Zhang
As the first step towards the natural interaction between human and multi-UAV system, we present a novel human-UAV interaction method based on hand gesture recognition. We design different hand gestures corresponding to different UAV commands and propose a stable algorithm to distinguish these gestures. Then, considering the fact that the operation of multi-UAV system may need multiple cooperative operators, an algorithm based on position information and color information is designed to identify multiple operators. Thus multi-user recongnition by hand gestures is achieved. Lastly, we combine the results of hand gesture recognition of multiple operators with UAV control under Robot Operation System (ROS) framework and use AR Drone platform to test the whole system's performance.
作为实现人与多无人机系统自然交互的第一步,我们提出了一种基于手势识别的人机交互新方法。我们针对不同的无人机指令设计了不同的手势,并提出了一种稳定的算法来区分这些手势。然后,考虑到多无人机系统的操作可能需要多个协同操作人员,设计了一种基于位置信息和颜色信息的多操作人员识别算法。从而实现了多用户手势识别。最后,在机器人操作系统(ROS)框架下,将多操作者的手势识别结果与无人机控制相结合,利用AR无人机平台对整个系统的性能进行测试。
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引用次数: 23
An improved real-time task preemptive scheduling in cyber-physical systems 网络物理系统中一种改进的实时任务抢占调度方法
Pub Date : 2017-05-28 DOI: 10.1109/CCDC.2017.7978213
Zhang Jing, Yang Xiaoduo, Fan Hongbo
To improve the performance of real-time task scheduling and the utilization of the system resources in Cyber-Physical System, at the same time, to reduce the number of task switching, this paper improved traditional preemptive task scheduling, introduced the concept of buffer time and the guard time, made judgments when the task may need to switch to, according to the situation to retain the task which had lower priority but should not be suspended, and let the higher priority task wait for a while. Finally, our research verifies the performance of the algorithm by examples and simulation experiments, demonstrates that the algorithm can optimize the performance of CPS, avoids the jitter caused by frequent task switching and its adverse effects on system performance, reduces the number of task switching, and improves the utilization of resources within the system to some extent.
为了提高信息物理系统中任务调度的实时性和系统资源的利用率,同时减少任务切换的次数,本文对传统的抢占式任务调度进行了改进,引入了缓冲时间和保护时间的概念,对任务可能需要切换的时间进行判断,根据情况保留优先级较低但不应挂起的任务;让优先级更高的任务等一会儿。最后,我们的研究通过实例和仿真实验验证了算法的性能,表明该算法可以优化CPS的性能,避免了频繁任务切换带来的抖动及其对系统性能的不利影响,减少了任务切换的次数,在一定程度上提高了系统内资源的利用率。
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引用次数: 4
Comparative study of linear and nonlinear ADRC for an inverted pendulum 倒立摆线性与非线性自抗扰的比较研究
Pub Date : 2017-05-28 DOI: 10.1109/CCDC.2017.7978463
Zhang Bin-wen, T. Wen, Li Jian
This paper applies ADRC algorithm to the inverted pendulum stabilization problem. Since the extended state observer and control law can be nonlinear or linear, different combinations are designed to balance the pendulum's angle. It also offers a practical solution that the nonlinear parameters are tuned as the linear ones. The output response speed and control variable are compromised to determine the preferable structure. Simulations showed that ADRC has good performance on stability, anti-interference and robustness.
本文将自抗扰算法应用于倒立摆的镇定问题。由于扩展状态观测器和控制律可以是非线性或线性的,因此设计了不同的组合来平衡摆的角度。并提供了一种将非线性参数调谐为线性参数的实用解决方案。通过折衷输出响应速度和控制变量来确定较优的结构。仿真结果表明,该自抗扰控制器具有良好的稳定性、抗干扰性和鲁棒性。
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引用次数: 4
Study on the application of a new prediction model based on penalty constraint to flotation process 基于惩罚约束的浮选过程预测新模型的应用研究
Pub Date : 2017-05-28 DOI: 10.1109/CCDC.2017.7978056
Zhang Yong, Liu Xuqiang
The flotation process is a complicated multi-input and multi-output process with the characteristic of strong non-linearity, heavy coupling and large delay. Due to the difficulty of measuring the concentrate grade and tailing grade index online, and its dynamics varying with the process conditions, such a control objective by far is difficult to achieve by the existing control methods to control the product quality indices into their technical targeted ranges and even cause fault work-condition. This paper presents a clustering algorithm based on punishing constraint of swarm intelligence (PCSI). Directed by the nature of PSO, PCSI could randomly search the centers of clusters and obtain the number of clusters. The process prior knowledge and PCA method are used to reduce dimension of the input data and select auxiliary variables. And then a new hybrid recursive algorithm of RBFNN based on simplified rival penalized competitive learning method (SRPCL) to make an adaptive clustering is developed. The method proposed has successfully been applied to two production lines of a mineral processing plant of Anshan Iron and Steel Group Corporation, and its effectiveness is proved evidently.
浮选过程是一个复杂的多输入多输出过程,具有强非线性、重耦合和大时滞的特点。由于精矿品位和尾矿品位指标难以在线测量,且随工艺条件的变化而发生动态变化,现有的控制方法目前难以实现这样的控制目标,难以将产品质量指标控制在技术目标范围内,甚至造成故障工况。提出了一种基于群体智能惩罚约束的聚类算法。利用粒子群算法的特性,PCSI可以随机搜索簇的中心,得到簇的个数。利用过程先验知识和主成分分析方法对输入数据进行降维,选择辅助变量。在此基础上,提出了一种基于简化对手惩罚竞争学习方法(SRPCL)的RBFNN混合递归自适应聚类算法。该方法已在鞍钢某选矿厂的两条生产线上成功应用,效果显著。
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引用次数: 0
Block RLS algorithm for surveillance video processing based on image sparse representation 基于图像稀疏表示的监控视频处理分块RLS算法
Pub Date : 2017-05-28 DOI: 10.1109/CCDC.2017.7978879
Donghai Bao, Fang Yang, Qianru Jiang, Sheng Li, Xiongxiong He
Block recursive least square (BRLS) algorithm for dictionary learning in compressed sensing system is developed for surveillance video processing. The new method uses image blocks directly and iteratively to train dictionaries via BRLS algorithm, which is different from classical methods that require to transform blocks to columns first and then giving all training blocks at one time. Since the background in surveillance video is almost fixed, the residual of foreground can be represented sparsely and reconstructed with background subtraction directly. The new method and framework are applied in real image and surveillance video processing. Simulation results show that the new method achieves better representation performance than classical ones in both image and surveillance video.
针对监控视频处理,提出了压缩感知系统中用于字典学习的块递归最小二乘(BRLS)算法。该方法不同于传统方法先将图像块转换为列,然后一次给出所有训练块,采用BRLS算法直接迭代地使用图像块来训练字典。由于监控视频的背景几乎是固定的,因此可以对前景残差进行稀疏表示,直接用背景相减法进行重建。该方法和框架已在实际图像和监控视频处理中得到应用。仿真结果表明,该方法在图像和监控视频中都比传统方法具有更好的表示性能。
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引用次数: 1
Characteristic analysis of fractional-order super-capacitors and batteries 分数阶超级电容器和电池的特性分析
Pub Date : 2017-05-28 DOI: 10.1109/CCDC.2017.7978077
Yuhang Lei, Gangquan Si, Lijie Diao, Jianwei Zhu
Modeling and analyzing electrical energy storage devices appears crucial for recently research in engineering study. This paper researches the power and impedance of fractional-order electric circuit models: super-capacitors and batteries. For super-capacitors and batteries models, the fractional order α plays an essential role in the power and energy obtained. An interesting phenomena found out is that the fractional-order super-capacitor (0 < α < 1) can gain more energy than the normal one (α = 1). The reactive power of the battery model is analyzed versus different order α, which decreasing with α when 0 < α < 0.29 and increasing with α when 0.29 < α < 1. Apart from it, the impedance Z(jω, α) of the two models are given in the paper.
电能存储装置的建模与分析是当前工程研究的重要内容。本文研究了分数阶电路模型:超级电容器和电池的功率和阻抗。对于超级电容器和电池模型,分数阶α在获得的功率和能量中起着至关重要的作用。结果表明,分数阶超级电容器(0 < α < 1)比普通超级电容器(α = 1)能获得更多的能量。分析了不同阶α对电池模型无功功率的影响,当0 < α < 0.29时无功功率随α减小,当0.29 < α < 1时无功功率随α增大。除此之外,文中还给出了两种模型的阻抗Z(jω, α)。
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引用次数: 0
期刊
2017 29th Chinese Control And Decision Conference (CCDC)
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