Yiru Tang's research while affiliated with China University of Geosciences and other places

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Publications (2)

Fig. 2 Simulation results of motor by Ansoft/Maxwell 2D software (a)...
Fig. 4 Analytical calculation of electromagnetic thrust curve under...
Fig. 9 Average electromagnetic thrust and impact power curves under...
Original data of tubular linear motor design
Design and analysis of a new down-the-hole electromagnetic hammer driven by tube linear motor
Article
Full-text available
  • Jul 2017
Percussive-rotary drilling is an effective method for the hard rock drilling. As hydraulic and pneumatic hammers have many problems especially in the deep core drilling, a new electromagnetic hammer driven by a tube linear motor is introduced in this study. The study mainly covers the mechanical structure and electromagnetic design of the hammer, r...
Fig. 1. Structure of fuzzy system.
Fig. 2. Initial universe and fuzzy partition.
Fig. 3. Universe contraction and expansion.
Fig. 4. Different expansion-contraction factors and error change rates.
+2 Fig. 5. Response curves of the variable universe and common fuzzy...
Researches on Temperature Control Strategy of SMHS-Type 3D Printing Based on Variable Universe Fuzzy Control
Article
Full-text available
  • Jan 2017
Selective micro heat sintering (SMHS)-type 3D printing technology is a widely applied method in rapid prototyping, which uses an electric heating component to sinter non-metallic powder. It requires precise control of the heating component's energy and its sintering time. Temperature is one of the key factors that affect the forming quality of fuse...

Citations

... e mathematical modeling of the DTH hammer is mainly based on a one-dimensional gas flow equation of state, energy conservation equation, continuous equation in the front and rear chambers, and piston motion differential equation [23][24][25]. e piston movement distance can be calculated by selecting the time step, and the state parameters in each time step can be regarded as those in a quasi-static process ( Figure 4). ...
Reference: Design Optimization and Performance Analysis of the Pneumatic DTH Hammer with Self-Propelled Round Bit
Design and analysis of a new down-the-hole electromagnetic hammer driven by tube linear motor
Citing article
  • Jul 2017