Yiming He

Work place: Changzhou Institute of Technology, CZU, Changzhou, China

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Biography

Author Articles
Contemporary Development and Trend of Jiangsu Province Wind Power Generation Technology

By Yiming He Xianyi Qian

DOI: https://doi.org/10.5815/ijeme.2013.02.08, Pub. Date: 28 Feb. 2013

In this paper, we have mainly introduced the contemporary development of the global wind power generation technology. And we have discussed the constant-speed & constant-frequency power generation system and pitch-controlled adjusting model. We also have introduced the power generation technology development in our country and in Jiangsu province from 2010 to 2015.

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Vane Design Which Based on Finite Element Analyzing Method

By Jiabin Tong Yiming He

DOI: https://doi.org/10.5815/ijeme.2012.10.12, Pub. Date: 29 Oct. 2012

We have studied the design method of wind power generator vanes. And on the basis of the whole structure’s analysis, we have simplified its structure by studying aerodynamics. We can consider the simplified continuous structure into the combined body which constructed by many finite units which are only connected by means of finite nodes. We have built rigidity equation for every unit firstly on the basis of unit analysis. Then we have gotten the whole structure’s equilibrium equation by combing all units. We have solved the equation by introducing boundary conditions. So we have gotten the approximate solution. During the process of solving, we have mainly studied the analyzing finite element method which based on computer.

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Wind Power Turbine and Its Aerodynamic Characteristics

By Xianyi Qian Yiming He

DOI: https://doi.org/10.5815/ijeme.2012.07.11, Pub. Date: 29 Jul. 2012

We have mainly studied wind power turbine’s aerodynamic characteristics in this paper. We first introduced the types of wind power turbines, and then analyzed the force on the vanes which caused by air flow. We also studied the geometry shape of vanes’ type and its aerodynamic characteristics. At last, we concluded the corresponding formulas about wind power turbine’s aerodynamic characteristics. All what we have studied have important role to design wind power turbine’s vanes.

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Wind Power Generation Plant Addressing Which Based on WASP Software

By Yujun BAO Yiming He

DOI: https://doi.org/10.5815/ijem.2011.05.03, Pub. Date: 5 Oct. 2011

We have studied some basic problems about wind power generation plant addressing, such as the economy of wind power generation plant addressing, the affection of environment and wind power characteristics. We have analyzed and discussed seriously by comparing the steps about wind power generation plant addressing. In this paper, we also introduced the WASP software which used to how to address wind power generation plant.

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Virtual Prototype Technology of Product Which Based on Computer

By Xiaoyan Jiang Yiming He

DOI: https://doi.org/10.5815/ijem.2011.04.03, Pub. Date: 29 Aug. 2011

In this paper, we have mainly analyzed the relationship between virtual prototype and concurrent design. Then we have concluded the model of virtual prototype and simulation method which based on field object. On the other hand, we have introduced the key technology which supports virtual prototype’s integration framework.

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Structure and Control of Flywheel Energy Converter

By Yiming He Xianyi Qian

DOI: https://doi.org/10.5815/ijwmt.2011.01.06, Pub. Date: 15 Feb. 2011

On the basis of the flywheel energy converter’s structure in wind power turbine, we have used permanent-magnet synchronism motor as energy converter and built mathematical model. We have studied and realized control method of wind power turbine’s constant output power. By analyzing the mathematical model, we have concluded that the needed time of stored energy is three times longer than constant torque control time, and the needed motor power is one second of constant torque control. When flywheel starts from zero speed to basic speed ([(ω_max)/5]), the constant torque control method will be acquired. When flywheel speeds up between [(ω_max)/5] and ω_max , the amplitude power control will be acquired. What we have studied is very important to realize constant output power.

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Electromagnetic Field of Resonance Linear Motion Actuator and its Finite Element Analysis which Applied to Coal Mine

By Xianyi Qian Yiming He

DOI: https://doi.org/10.5815/ijem.2011.01.01, Pub. Date: 8 Feb. 2011

In this paper, we have introduced the structure of resonance linear motion actuator which applied to coal mine. And we have built two-dimensional analyzing model by using finite element method. On the basis of the analysis, we have calculated the motor’s air-gap field and magnetism, and we also have studied the affection of motor which caused by permanent magnet’s size. We have studied motor’s winding current when it operates at constant amplitude, and the corresponding experiment results have verified the correctness of finite element model. We have studied the numerical value calculation of resonance linear motion actuator and calculation of its magnetism characteristic. What we have analyzed shows that the air-gap field of motor changes continuously and the magnetism is proportional to winding current. And the results can help technologists to design this kind of motor.

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Design of Wind Power Generator’s Vane Which Based on Computer

By Rui Chang Yiming He

DOI: https://doi.org/10.5815/ijem.2011.01.05, Pub. Date: 8 Feb. 2011

In this paper, we have mainly analyzed the relationship between virtual prototype and concurrent design. Then we have concluded the model of virtual prototype and simulation method which based on field object. We also have studied the design of wind power generator’s vane which based on computer, and have simulated the process of vanes’ aerodynamics.

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