Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Dongchen Qin"'
Publikováno v:
Machines, Vol 12, Iss 11, p 814 (2024)
To investigate four-point contact ball slewing bearings, a bearing support bolt-integrated model was created with HyperMesh and ANSYS software, and its accuracy was theoretically confirmed. This study examines how the rolling element number Z, contac
Externí odkaz:
https://doaj.org/article/2d5c253b12714abc91a28ede4260116c
Publikováno v:
Jixie chuandong, Vol 45, Pp 24-29 (2021)
In order to solve the problems such as the kinematics modeling of the shield machine propulsion system and the difficulty of forward solution， the simplified equivalent model method is adopted to construct a simplified model of the shield machine p
Externí odkaz:
https://doaj.org/article/cac3edff0ca54c1391f28e617ad4d5a7
Publikováno v:
Jixie chuandong, Vol 45, Pp 116-121 (2021)
In order to study the frictional heat generation characteristics of cylindrical roller bearings，taking the effect of the initial assembly interference between the shaft and bearings，the centrifugal force and mating surface roughness into account
Externí odkaz:
https://doaj.org/article/c9331e30e48b4aa9810fc7b8247a4284
Publikováno v:
Applied Sciences, Vol 13, Iss 13, p 7728 (2023)
Scholars have shown significant interest in the design and investigation of mechanical metamaterials with a negative Poisson’s ratio as a result of the rapid progress in additive manufacturing technology, giving rise to the concept of metamaterials
Externí odkaz:
https://doaj.org/article/87f53a0dcfea4192a41b5d9b8e017aa3
Publikováno v:
Jixie chuandong, Vol 45, Pp 99-103 (2021)
The stiffness characteristics of cylindrical roller bearings will have great impact on the dynamic performance of machine tools. Based on the analysis for the double-row cylindrical roller bearing， considering the influence of the lubricant oil fil
Externí odkaz:
https://doaj.org/article/bfc93a787f2e41ecb43ce8e4137aa19c
Publikováno v:
Jixie chuandong, Vol 45, Pp 23-27 (2021)
In order to more accurately and quickly solve the shield machine pose change during the tunneling process， a positive solution method for the pose of the shield machine based on the spatial homogeneous transformation matrix element is used to estab
Externí odkaz:
https://doaj.org/article/f49ddd54e2fb421fa732d5628112daad
Publikováno v:
Entropy, Vol 25, Iss 1, p 27 (2022)
Nonholonomic four-wheeled mobile robot (NFMR) is a typical multiple input–multiple output system that formulates its kinematic dynamics concerning position and attitude in a parallel manner. However, due to the lumped disturbances and interconnecte
Externí odkaz:
https://doaj.org/article/62bcf91ee29c40e3aaec8c2071eeb0fe
Publikováno v:
Applied Sciences, Vol 13, Iss 1, p 520 (2022)
The operation of a proton exchange membrane fuel cell (PEMFC) is greatly affected by temperature. Reliable thermal management of fuel cells can improve the life, efficiency, and power output of fuel cells. The model established in this paper is based
Externí odkaz:
https://doaj.org/article/721aefe56ce1480d9a3d9e7ed1e54568
Publikováno v:
Energies, Vol 15, Iss 23, p 9088 (2022)
Real-time monitoring of the battery thermal status is important to ensure the effectiveness of battery thermal management system (BTMS), which can effectively avoid thermal runaway. In the study of BTMS, driver behavior is one of the factors affectin
Externí odkaz:
https://doaj.org/article/17242397ef9d4f849d8297f0d1f86d0a
Publikováno v:
Applied Sciences, Vol 12, Iss 20, p 10420 (2022)
Due to their superior structural and mechanical properties, materials with negative Poisson’s ratio are of increasing interest to research scholars, especially in fuel-efficient vehicles. In this work, a new concave I-shaped honeycomb structure is
Externí odkaz:
https://doaj.org/article/62087821daea4e9085864740d4d3a346