A Comparative Study of Novel Permanent Magnet Arc Guideway Motors Based on Three-Dimensional Electromagnetic Field Analysis

2013 ◽  
Vol 462-463 ◽  
pp. 739-745
Author(s):  
Kun Wang ◽  
Gong Zhang ◽  
Ying Pin Wang ◽  
Xue Feng Zhou ◽  
Xian Shuai Chen ◽  
...  
Keyword(s):  
Permanent Magnet ◽  
Electromagnetic Force ◽  
High Efficiency ◽  
Deflection Angle ◽  
Three Dimensional ◽  
Field Analysis ◽  
Reciprocating Motion ◽  
Advantages And Disadvantages ◽  
The Right ◽  
Full Swing

A novel PM arc guideway motor (PMAGM) is developed due to the drawback of the conventional motor reciprocating within certain angle. The PMAGM can directly drive load to make reciprocating motion within a limited angle with advantages of simplification, reliability, high efficiency, etc.. Aiming at the permanent magnet (PM) magnetization and solenoid coil electrifying modes, the PM deflection angle is parameterized and the influence on electromagnetic force has been analyzed between different magnetization and electrifying modes. Results show that electromagnetic force in Y direction magnetized along the external field force lines at proposal 1 is 51.23% higher than that of vertical magnetization, and the electromagnetic resultant force increases by 45.91%. As the angle of the PM deflection within 3o, the electromagnetic force in X direction points to the right, which is not good for PM slidable assembly swing. Based on comprehensive analysis of the advantages and disadvantages of several electrifying modes, the electricity combination under full swing angle is optimized.

scholarly journals STRUCTURAL DEVELOPMENT AND RESEARCH OF TECHNOLOGICAL PARAMETERS OF MACHINES FOR CENTRIFUGAL -PLANETARY VIBRATION TREATMENT

2020 ◽  
pp. 41-50
Author(s):  
Leonid Yaroshenko ◽  
Igor Kupchuk ◽  
Mykhailo Zamrii
Keyword(s):  
High Efficiency ◽  
Metal Removal ◽  
Three Dimensional ◽  
High Hardness ◽  
Working Environment ◽  
Repeated Loading ◽  
Structural Development ◽  
Technological Parameters ◽  
Advantages And Disadvantages ◽  
Wide Range

The paper analyzes current state and prospects of further development of technology and equipment for mechanization and automation of finishing and cleaning of details. It is stated that the most effective for this purpose are the methods of abrasive machining, which include bulk galvanizing, vibration, centrifugal-rotary and centrifugal-planetary processing. These methods reduce the complexity and cost of processing, which in some cases reaches 20% of the total cost of manufacturing parts. Each of these methods has a different level of efficiency, certain advantages and disadvantages, the level of versatility and scope of effective application. The processes of vibration processing are quite deeply studied, for its industrial mass-produced technological equipment, but they have certain shortcomings that limit their use for further widespread implementation. Centrifugal-rotary processing is a more productive process of three-dimensional finishing and cleaning treatment, but its scope is limited by the possibility of processing parts that are not complex, usually flat. The most productive methods of finishing and cleaning of details include centrifugal-planetary volume processing which high efficiency is caused by repeated loading of particles of working load by inertial forces that creates preconditions for the solutions of a wide range of technological problems, for example, processing of details of difficult form, small weight and the sizes from materials of high hardness or viscosity that represents a serious problem for other methods of volume processing. The constructive scheme is offered in the work and the influence of the composition of the abrasive free-granular working environment on the productivity of the machine for centrifugal-planetary processing of details is investigated. The kinetics of metal removal from the surface of machined parts using different types of abrasive working environment is analyzed. The results of comparative machining of parts in a torus vibrating machine and a machine for centrifugal-planetary machining are given. It is shown that the simultaneous use of centrifugal-planetary and vibration processing methods allows to increase the intensity of the process while ensuring high quality machining of parts of relatively complex shape. The constructive scheme of the machine which allows to implement the specified combined method of processing is offered and described.

scholarly journals Fusion Mode and Style Based on Artificial Intelligence and Clothing Design

2021 ◽  
Vol 2021 ◽  
pp. 1-16
Author(s):  
Jiali Qiu ◽  
Lianghua Ma
Keyword(s):  
Artificial Intelligence ◽  
Three Dimensional ◽  
Intelligent Manufacturing ◽  
Industrial Robots ◽  
Design System ◽  
Design Elements ◽  
Advantages And Disadvantages ◽  
Clothing Design ◽  
The Right ◽  
Intelligent Clothing

With the upgrading of intelligent manufacturing, industrial robots will play an important role in the garment industry. The purpose of this article was to study the pattern and style based on the integration of artificial intelligence and clothing design. In this article, the digital modeling of clothing design and the case analysis of intelligent clothing design are described using the method of comparative experiment. The experimental results are obtained from the analysis of fuzzy number of clothing design language evaluation, three-dimensional human body construction clothing size, clothing design elements and auxiliary functions, and the analysis of the advantages and disadvantages of clothing design system. The popular clothing sample is D4 (0.4862), which is 20% higher than other products. It can be concluded that the model proposed in this article can grasp the needs of consumers and select the right one according to the market positioning. The fabric mass production fashion brand can significantly improve the efficiency and satisfaction of the fabric selection decision-making process. It provides enough technical support and style model for intelligent clothing design.

Miniature Circuit Breaker Electromagnetic Release Simulation and Analysis

2013 ◽  
Vol 392 ◽  
pp. 398-402
Author(s):  
Jun Fang Zhang ◽  
Yao Fang ◽  
Zhi Gang Li ◽  
Yan Yan Luo
Keyword(s):  
Electromagnetic Force ◽  
Short Circuit ◽  
Circuit Breaker ◽  
Three Dimensional ◽  
Short Circuit Current ◽  
Element Model ◽  
Field Analysis ◽  
Iron Core ◽  
Dimensional Finite Element ◽  
Three Dimensional Finite Element

With the three-dimensional field analysis software Ansoft, we establish three-dimensional finite element model of the electromagnetic release, obtain the electromagnetic release static characteristics of electromagnetic force by simulation, and analyze the relationship between the electromagnetic force, the short-circuit current and the air gap size. By Analyzing the dynamic characteristics of moving iron core, different short-circuit currents influence on the velocity and displacement of the moving iron core was gained.

scholarly journals Dynamic characteristics of a bitable linear actuator with moving permanent magnet

2004 ◽  
Vol 1 (2) ◽  
pp. 207-214 ◽  
Author(s):  
Ivan Yatchev ◽  
Krastio Hinov ◽  
Vultchan Gueorgiev
Keyword(s):  
Magnetic Field ◽  
Permanent Magnet ◽  
Dynamic Characteristics ◽  
Electromagnetic Force ◽  
Electrical Circuit ◽  
Field Analysis ◽  
Linear Actuator ◽  
Grid Data ◽  
Magnetic Field Analysis ◽  
The Magnetic Field

The dynamic characteristics of an ax symmetrical linear actuator with axially magnetized moving permanent magnet are obtained using combined field and circuit approach. The magnetic field of the actuator has been analyzed using the finite element method over a current-displacement sampling grid. Two field analyses are carried out for each point of the grid - one for the real system and one for the system where the permanent magnet is considered as a soft magnetic body. For each point of the grid, data for the total flux linkage, electromagnetic force and the coil inductance are extracted from the magnetic field analysis. These data are approximated by bicubic spline functions, which are employed in the solution of the system of ordinary differential equations of the electrical circuit and the mechanical motion. Results are obtained for the time variations of the coil current, mover displacement, mover velocity and electromagnetic force. The results for the current and displacement are verified experimentally.

scholarly journals RESEARCH AND APPLICATION OF LIDAR TECHNOLOGY IN CADASTRAL SURVEYING AND MAPPING

2020 ◽  
Vol XLIII-B1-2020 ◽  
pp. 33-37
Author(s):  
G. B. He ◽  
L. L. Li
Keyword(s):  
Measurement Method ◽  
Large Scale ◽  
High Efficiency ◽  
New Technologies ◽  
Work Intensity ◽  
Advantages And Disadvantages ◽  
Cadastral Surveying ◽  
The Right ◽  
Labor Consuming ◽  
Surveying And Mapping

Abstract. The state attaches great importance to the issue of the right to the use of rural land. At present, China is carrying out a large-scale mapping and confirmation of rural house sites and rural houses. The traditional measurement method mainly adopts total station or RTK manual measurement method, which is characterized by high work intensity, complex operation procedure and labor-consuming. There are hundreds of thousands of villages in China. With the development of science and technology, it is an inevitable trend to use new technologies in rural cadastral surveys to improve their efficiency and quality. LiDAR scanning technology has the advantages of high efficiency, flexibility, reliability, and high accuracy, which meet the requirements of tasks and schedules that are difficult to complete with traditional measurement methods. This paper is based on the AS-300H multi-platform LiDAR system of Huace Navigation, which integrates UAV and vehicle LiDAR for cadastral surveying and mapping. It proves that LiDAR using in rural cadastral mapping has low labor intensity, high efficiency and accuracy. At the same time, the advantages and disadvantages of LiDAR technology for cadastral mapping are also summarized and elaborated, which has a good reference and significance for those who are currently conducting rural housing and cadastral mapping work.

scholarly journals Permanent Magnet Machines for High-Speed Applications

2022 ◽  
Vol 13 (1) ◽  
pp. 18
Author(s):  
Tianran He ◽  
Ziqiang Zhu ◽  
Fred Eastham ◽  
Yu Wang ◽  
Hong Bin ◽  
...  
Keyword(s):  
Permanent Magnet ◽  
High Speed ◽  
High Performance ◽  
Single Phase ◽  
High Efficiency ◽  
Permanent Magnet Machines ◽  
Advantages And Disadvantages ◽  
Three Phase ◽  
Parasitic Effects ◽  
Rotor Dynamic

This paper overviews high-speed permanent magnet (HSPM) machines, accounting for stator structures, winding configurations, rotor constructions, and parasitic effects. Firstly, single-phase and three-phase PM machines are introduced for high-speed applications. Secondly, for three-phase HSPM machines, applications, advantages, and disadvantages of slotted/slotless stator structures, non-overlapping/overlapping winding configurations, different rotor constructions, i.e., interior PM (IPM), surface-mounted PM (SPM), and solid PM, are summarised in detail. Thirdly, parasitic effects due to high-speed operation are presented, including various loss components, rotor dynamic and vibration, and thermal aspects. Overall, three-phase PM machines have no self-starting issues, and exhibit high power density, high efficiency, high critical speed, together with low vibration and noise, which make them a preferred choice for high-performance, high-speed applications.

Three-Dimensional Magnetic Field Analysis of Poly-Magnet Line-Start Permanent Magnet Synchronous Motor

2012 ◽  
Vol 229-231 ◽  
pp. 895-898
Author(s):  
Yue Jun An ◽  
Dong Xu Pei ◽  
Li Ping Xue ◽  
Yong Li
Keyword(s):  
Magnetic Field ◽  
Permanent Magnet ◽  
Permanent Magnet Synchronous Motor ◽  
Three Dimensional ◽  
Synchronous Motor ◽  
Air Gap ◽  
Field Analysis ◽  
Cast Aluminum ◽  
Limited Space ◽  
Magnetic Field Analysis

In order to solve the existing permanent magnet synchronous motor starting from starting performance and energy target fight between rotor and limited space of conflict. The line-start permanent magnet synchronous motor with the special structure of the disk magnet polyed magnetic type has been proposed. Motor rotor punching trough, size, and cast aluminum material can give full consideration to the requirements of line-start function in the new type of permanent magnet synchronous motor. polymer magnets which is formed from alternating magnetic yokes and permanent magnetic ring is set between the hinge and the rotor part; Interval set on the outer circle of magnetic yoke take the magnetic flux to pole. Air-gap flux density can be achieved highly by utilized to set up the starting winding after the rest of the limited space in the poly magnet structure. By finite electromagnetic field analysis software Ansoft, Three-dimensional magnetic field can be analyzed in Poly-Magnet Line-start Permanent Magnet Synchronous Motor. The result show that poly magnet structure improves the air gap magnetic field strength; Under the premise of better starting capability, it can improve the power index of motor.

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