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In this paper, from the problem of the orientation of sudden pollution source which continuously release pollutants in three-dimensional space, while the orientation of the pollution source in the real environment is random and complex under the influence of the internal movement factors of the lake reservoir fluid, the problems are discussed from two aspects. Firstly, the nonlinear least squares...
Automatic demand side response is well applied and popularized with the development of active power distribution network technology. In this paper, with the specific condition of urban commercial centers considered, the generalized demand side resources co-optimization is presented here including load side resources and energy storage resources. Firstly, for the normal operation of power systems,...
Interference alignment (IA) is a prospective method to manage interference between users in multi-user networks. On the other hand, jamming can be an effective way to combat adversarial eavesdropping for legitimate networks. In this paper, a beneficial jamming scheme is proposed for interference alignment networks. In the scheme, the jammer utilizes its precoding vector to constrain the jamming signal...
The ideal Gaussian pulse can be more convenient to simulate the excitation of electromagnetic waves and its propagation characteristics, but the pulse and the actual local discharge current waveform is not exactly the same. At the same time, most of the previous research contents have adopted the simplified GIS simulation model, which does not take into account the influence of the arc of the basin...
Interior permanent magnet synchronous machine (IPMSM) has been widely used in traction application due to high efficiency and high power density. Nowadays, in electric vehicle application, the average efficiency over a driving cycle (AEDC) is more attractive than the efficiency over single working point. The paper deals with the design optimization of the average efficiency over a given driving cycle...
The external rotor surface permanent magnet (SPM) machine is attractively used for in-wheel traction application. In view of energy consumption, the efficiency of SPM machine over a driving cycle is more important than that at a single working point. This paper focuses on optimizing the external rotor SPM machine considering a target driving cycle. Under a target driving cycle, the whole motor working...
This paper investigates the electromagnetic performance of a 45-slot/10-pole interior permanent magnet synchronous machine (IPMSM) for electric vehicle. To meet the complex requirements of electric vehicle, the comprehensive electromagnetic performance of a 45-slot/10-pole IPM machine is predicted by 2-D finite element analysis (FEA), and compared with a 12-slot/10-pole machine, an 18-slot/10-pole...
With the effect of the improvement of Internet technology, the e-commerce worldwide is growing rapidly. According to the report of Frost & Sullivan, B2B e-commerce by 2020 will reach $12 trillion in sales worldwide, up from $5.5 trillion in 2012, for a compound annual growth rate of 8.11%. Amount all, with the support of China government policy, the B2B growth momentum cannot be neglect. In 2015,...
In recent years, smart phone becomes more and more popular. At the same time, the security threat of smart phone is growing. According to “Motive Security Labs Malware Report-H1 2015” [1] report, the number of Android malware is growing year by year. Many researchers focus on the security of Android applications based on permission. Felt et al. [2] designed the stowaway tool to detect the application's...
Wireless power transfer (WPT) has emerged as an attractive solution to power future wireless communication networks. In this paper, we consider WPT using power beacons (PBs) for a millimeter wave (mmWave) wireless ad hoc network. Using stochastic geometry, we derive the moment generating function (MGF) and the nth cumulant of the aggregate received power from PBs at a reference receiver in closed-form...
Rescheduling is a necessary procedure when new jobs come and are inserted into existing schedule in remanufacturing. The stability is an important metrics to evaluate the quality of rescheduling solution. This paper proposed a novel discrete Jaya algorithm to solve flexible job shop rescheduling problem with five objectives, including Makespan, total flow time, maximum machine workload, total machine...
Time series data are a set of data high-frequently collected in chronological order and the huge amount causes difficulty in observation and utilization. Thus, we present a method to rapidly generate and visualize the digest of massive time series data. The method comprises the following steps: linearly scanning the input time series data, dividing the time series data into a plurality of data intervals,...
In this work, we consider in-band device-to-device (D2D) communication underlaid with an uplink cellular network, where D2D users are equipped with multiple antennas. We assume that the D2D users employ the distance cut-off mode selection scheme to reduce the interference to base stations. With the help of stochastic geometry, we derive the approximate yet accurate analytical outage probability experienced...
Given the increasing importance of mobile data access, extending broadband wireless access has become a global grand challenge. Relaying has been introduced to enable wireless communication between users lacking a common link. Distributed relay networks (DRN) are a special case where the relay consists of many geographically distributed single-antenna nodes to achieve spatial diversity. In this paper...
Anti-jamming interference alignment (IA) algorithm is an effective method to battle with adversarial jammers. Nevertheless, the abundant power from the jammers and interferences can be harvested by the legitimate users as a natural power supply. In this paper, we propose a novel anti-jamming IA scheme with wireless energy harvesting (EH). In the scheme, the power partition coefficient and transmit...
The propagation properties of THz electromagnetic wave (EM wave) in a magnetized plasma which is inhomogeneous in both collision frequency and electron density are analyzed theoretically in this study. By utilizing the scattering matrix method (SMM) method, the effects of Electron density, collision frequency, the thickness of the plasma and the electron temperature on the absorption coefficient are...
To estimate the RMS value of the DC-link ripple current more accurately, a method is developed considering the reverse recovery of the anti-parallel diode in voltage source inverters (VSIs). In this paper, using the analysis of the inverter DC-link current and anti-parallel diode reverse recovery, calculations are implemented based on the SPWM technique. According to the calculations and simulation...
To facilitate interoperability and sharing of geospatial data, OWSes have been increasingly adopted to describe scientific data. Interoperable OWS can facilitate the integration of different scientific application services. However, the OWS required by users is difficult to be found and utilized from a large number of OWSes because the OWSes have no clear semantic knowledge in their service data or...
Two kinds of EIT structures are proposed, and their validities are demonstrated by using numerical simulation and experimental measurement. The type I structure consists of an “I” shaped of cut-wire pair (CWP) and a split ring resonator (SRR). In this study, we found EIT effect in metamaterial originates from magnetic interactions between resonators. Specially, by controlling the separation distance...
Recently, improving the service quality of a theme park has become a very hot topic. Decreasing the queue waiting time for each attraction of a theme park is one of most important ways to gain high service quality. This paper proposes a smart queue system for theme park based on RFID technology. In our setup, each visitor wears RFID tag to record local information. Then all visitors are classified...
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