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RISS 인기검색어
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- 저자 : Shang Qinghua (검색결과 6 건)
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Design of Android-Based Remote Terminal System for RGV
Shang Qinghua,Zhao Xinyue,Zhang Helong,Wang Su 보안공학연구지원센터 2016 International Journal of Multimedia and Ubiquitous Vol.11 No.7
This paper proposes a new method that utilized Android mobile phone to control the RGV (Rail Guided Vehicle)running through WIFI network to overcome the disadvantages of the traditional remote control can only control one-way communication for RGV in the Logistics and warehousing and realize two-way communication between the RGV and remote controller . The system is based on Android platform, and established a remote terminal system by all Android support resources. In this paper, it described the structure, function, software flow of the RGV remote terminal system and communication protocol between Android client and the RGV. The design is based on the Modbus TCP / IP protocol, to achieve a two-way communication between Android phone and the RGV.
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Application of the Improved S-Curve Algorithm in the Speed Control of Shuttle Vehicle
Zhang Helong,Shang Qinghua,Zhao Xinyue,Wang Su 보안공학연구지원센터 2016 International Journal of Multimedia and Ubiquitous Vol.11 No.8
The Smooth of the shuttle vehicle speed control system is the guarantee of the safe operation of the car body, the current shuttle vehicle parking in the start acceleration and deceleration will happen when the shaking phenomenon, It reduces the shuttle car shelf system security and stability. The S-curve to add and subtract in the simplified method is applied to speed regulation system of shuttle car, can reduce the occurrence of this phenomenon. But the S-curve algorithm without considering the bodies weight and load change on the result of speed regulation. In this paper, we improve the S-curve and speed reduction algorithm. Considering the factor of the weight of the vehicle and the load factor, realize the smooth control of shuttle car. This paper introduces the method and principle of the speed control of shuttle car. An improved method for calculating the S curve acceleration and deceleration is presented. And Matlab simulation is carried out. Results of simulation and actual equipment show that the improved algorithm can control the smooth running of the shuttle vehicle.
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Design of a Rotary Electromagnetic Actuator with Linear Torque Output for Fast Steering Mirror
Yongjun Long,Jinqiu Mo,Xinshu Chen,Qinghua Liang,Yaguang Shang,Shigang Wang 한국자기학회 2015 Journal of Magnetics Vol.20 No.1
This paper focuses on the design of a flux-biased rotary electromagnetic actuator with compact structure for fast steering mirror (FSM). The actuator has high force density and its torque output shows linear dependence on both excitation current and rotation angle. Benefiting from a new electromagnetic topology, no additional axial force is generated and an armature with small moment of inertia is achieved. To improve modeling accuracy, the actuator is modeled with flux leakage taken into account. In order to achieve an FSM with good performance, a design methodology is presented. The methodology aims to achieve a balance between torque output, torque density and required coil magnetomotive force. By using the design methodology, the actuator which will be used to drive our FSM is achieved. The finite element simulation results validate the design results, along with the concept design, magnetic analysis and torque output model.
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Zhao, Kai,Yang, Tao,Sun, Mimi,Zhang, Wei,An, Yong,Chen, Gang,Jin, Lei,Shang, Qinghua,Song, Wengang Korean Society for Molecular and Cellular Biology 2017 Molecules and cells Vol.40 No.6
Interferon-${\gamma}$-inducible protein 10 (IP-10), also known as chemokine C-X-C motif ligand (CXCL) 10, is closely associated with antiviral immunity and the progression of chronic hepatitis B (CHB). However, the value of baseline serological and histological IP-10 expression levels in predicting the efficacy of the antiviral response to nucleoside/nucleotide analogues (NAs) is still unknown. In our research, intrahepatic and peripheral IP-10 expression levels were systemically examined before and after treatment with entecavir (ETV). Baseline serological and histological IP-10 expression levels were significantly increased in patients with CHB, particularly in patients with higher degrees of liver inflammation and liver fibrosis. Moreover, higher baseline intrahepatic IP-10 levels indicated better prognoses in patients with CHB after entecavir therapy. The baseline IP-10 level was also positively associated with several clinical parameters, including baseline levels of alanine aminotransferase (ALT), aspartate aminotransferase (AST), hepatitis B virus (HBV) DNA, and hepatitis B surface antigen (HBsAg), and with the decrease in HBsAg levels after treatment. In addition, monocyte-derived IP-10 was expressed at higher levels in patients with CHB than in patients with liver cirrhosis (LC) and healthy controls (HC). According to the results of our in vitro experiments, IP-10 directly promoted hepatocyte apoptosis. Based on these findings, baseline serological and histological IP-10 levels might predict CHB severity and the decrease in HBsAg levels after entecavir therapy.
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Kai Zhao,Tao Yang,Mimi Sun,Wei Zhang,Yong An,Gang Chen,Lei Jin,Qinghua Shang,Wengang Song 한국분자세포생물학회 2017 Molecules and cells Vol.40 No.6
Interferon-γ-inducible protein 10 (IP-10), also known as chemokine C-X-C motif ligand (CXCL) 10, is closely associ-ated with antiviral immunity and the progression of chronic hepatitis B (CHB). However, the value of baseline serological and histological IP-10 expression levels in predicting the efficacy of the antiviral response to nucleoside/nucleotide analogues (NAs) is still unknown. In our research, intrahepatic and peripheral IP-10 expression levels were systemically examined before and after treatment with entecavir (ETV). Baseline serological and histological IP-10 expression levels were significantly increased in patients with CHB, particularly in patients with higher degrees of liver inflammation and liver fibrosis. Moreover, higher baseline intrahepatic IP-10 levels indicated better prognoses in patients with CHB after entecavir therapy. The baseline IP-10 level was also positively associated with several clinical parameters, including baseline levels of alanine aminotransferase (ALT), aspartate aminotransferase (AST), hepatitis B virus (HBV) DNA, and hepatitis B surface antigen (HBsAg), and with the decrease in HBsAg levels after treatment. In addition, monocyte-derived IP-10 was expressed at higher levels in patients with CHB than in patients with liver cirrhosis (LC) and healthy controls (HC). According to the results of our in vitro experiments, IP-10 directly promoted hepatocyte apoptosis. Based on these findings, baseline serological and histological IP-10 levels might predict CHB severity and the decrease in HBsAg levels after entecavir therapy.
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