Optimization Design of Walking Beam Based on Stiffness Constraint

2011 ◽  
Vol 199-200 ◽  
pp. 1368-1373
Author(s):  
Xing Wu Dang ◽  
Jian Long Huang
Keyword(s):  
Mathematical Model ◽  
Optimization Design ◽  
Constraint Condition ◽  
The Mathematical Model

The excessive deformation of walking beam which is used in automatic packaging line of cathode copperplates is analysed. The mathematical model of optimization design of the walking beam is established, using deflection less than 7mm as a constraint condition. The optimization is completed by COSMOSWorks and the most optimal deflection is 6.95mm, the most optimal mass of the walking beam is decreased 25.2%. The optimization also indicates that strength of the walking beam is surplus and further optimization is feasible.

Optimization Research on Dynamic Balance of Spatial Engine under Limiting Shaking Moment

2009 ◽  
Vol 626-627 ◽  
pp. 693-698
Author(s):  
Yong Yong Zhu ◽  
S.Y. Gao
Keyword(s):  
Mathematical Model ◽  
Objective Function ◽  
Kinetic Analysis ◽  
Optimization Design ◽  
Design Method ◽  
Dynamic Balance ◽  
Optimized Design ◽  
Design Variables ◽  
The Mathematical Model ◽  
Shaking Moment

Dynamic balance of the spatial engine is researched. By considering the special wobble-plate engine as the model of spatial RRSSC linkages, design variables on the engine structure are confirmed based on the configuration characters and kinetic analysis of wobble-plate engine. In order to control the vibration of the engine frame and to decrease noise caused by the spatial engine, objective function is choosed as the dimensionless combinations of the various shaking forces and moments, the restriction condition of which presents limiting the percent of shaking moment. Then the optimization design is investigated by the mathematical model for dynamic balance. By use of the optimization design method to a type of wobble-plate engine, the optimization process as an example is demonstrated, it shows that the optimized design method benefits to control vibration and noise on the engines and improve the performance practically and theoretically.

Multi-Objective Optimization Design of Screw Conveyor Using Genetic Algorithm

2013 ◽  
Vol 732-733 ◽  
pp. 402-406
Author(s):  
Duan Yi Wang
Keyword(s):  
Genetic Algorithm ◽  
Mathematical Model ◽  
Optimization Design ◽  
Optimization Problem ◽  
Machine Design ◽  
Screw Conveyor ◽  
Optimized Design ◽  
Multi Objective Optimization ◽  
Multi Objective ◽  
The Mathematical Model

The weight minimum and drive efficiency maxima1 of screw conveyor were considered as double optimizing objects in this paper. The mathematical model of the screw conveyor has been established based on the theory of the machine design, and the genetic algorithm was adopted to solving the multi-objective optimization problem. The results show that the mass of spiral shaft reduces 13.6 percent, and the drive efficiency increases 6.4 percent because of the optimal design based on genetic algorithm. The genetic algorithm application on the screw conveyor optimized design can provided the basis for designing the screw conveyor.

Study on Control Characteristics of Driving and Lifting System for Logistics and Loading Machinery

2012 ◽  
Vol 268-270 ◽  
pp. 1517-1522 ◽  
Author(s):  
Guo Jin Chen ◽  
Ting Ting Liu ◽  
Ni Jin ◽  
You Ping Gong ◽  
Huo Qing Feng
Keyword(s):  
Mathematical Model ◽  
Dynamic Characteristics ◽  
Optimization Design ◽  
Integrated System ◽  
Operating Conditions ◽  
Control Methods ◽  
Lifting System ◽  
The Mathematical Model ◽  
Power Match

The logistics and loading machinery is the typical hydromechatronics integrated system. How to solve the reasonable power match in the driving and lifting process of the logistics and loading machinery, we need to establish the mathematical model of the driving and lifting system, and analyze their control characteristics. Aiming at the load requirements for different operating conditions, this paper studies respectively the dynamic characteristics of the driving and lifting system. Through simulation and computation, the control methods and strategies based on the best performance are proposed. That lays the foundation for the optimization design of the logistics and loading machinery.

The System of Spindle Optimization Design Based on GA

2012 ◽  
Vol 466-467 ◽  
pp. 773-777 ◽  
Author(s):  
Peng Jia Wang ◽  
Chen Guang Guo ◽  
Yong Xian Liu ◽  
Zhong Qi Sheng
Keyword(s):  
Genetic Algorithm ◽  
Mathematical Model ◽  
Dynamic Property ◽  
Design Variable ◽  
Optimization Design ◽  
Search Space ◽  
Mutation Operator ◽  
Crossover Operator ◽  
Selection Operator ◽  
The Mathematical Model

Aiming at the optimization design of spindle, this paper introduces deflection constraint, strength constraint, corner constraint, cutting force constraint, the limit of torsional deflection, boundary constraint of design variable, dynamic property constraint , realizes the expression of the mathematical model of the spindle optimization design. Through the introduction of the real number code rule, the selection operator is built by adopting the optimum maintaining tactics and proportional selection, the crossover operator is built by using the method of arithmetic crossover and the mutation operator is built by using the method of uniform mutation. In the platform of VC++, the system of spindle optimization design based on GA is built. The analysis of the example shows that using the genetic algorithm to optimize the spindle can ensure the convergence of the optimization course, expand the search space, and the effect of optimization is obvious.

Research on the Separation Performance of Deoiling Hydrocyclones

2014 ◽  
Vol 608-609 ◽  
pp. 14-18
Author(s):  
Jun Wang
Keyword(s):  
Mathematical Model ◽  
Optimization Design ◽  
Basic Theory ◽  
Separation Performance ◽  
Separation Mechanism ◽  
Convection Diffusion ◽  
Optimization Principle ◽  
Partition Method ◽  
Coupling Algorithm ◽  
The Mathematical Model

This paper uses FLUENT as the researching tools of 3D numerical simulation of deoiling hydrocyclones, analysis on the geometric structure of deoiling Hydrocyclone, summed up a set of grid partition method based on the basic theory and turbulence simulation of CFD theory, to determine a reasonable mathematical model, boundary conditions, convection diffusion the discrete format and pressure velocity coupling algorithm. This paper establishes the mathematical model, calculation method and the optimization principle for the separation mechanism; it also provides basic theory and experience for studying on deoiling hydrocyclone such as separation mechanism, flow and turbulent scalar field characteristics and structure optimization design.

Design on the Main-Axis in Big Power Inverted Umbrella Aeration Machine Based on Genetic Algorithms

2016 ◽  
Vol 693 ◽  
pp. 84-88
Author(s):  
Xiao Ping Li
Keyword(s):  
Complex System ◽  
Mathematical Model ◽  
Genetic Algorithms ◽  
Optimization Design ◽  
Main Axis ◽  
New Method ◽  
Coding Method ◽  
The Mathematical Model

Genetic Algorithms is a new method, which has good robustness in optimization design for complex system. In this paper, we make the mathematical model of optimization design for the main-axis in big power inverted umbrella aeration machine by studying Genetic Algorithms. Using coding method, we complete the optimization design of the main-axis in big power inverted umbrella aeration machine.

Research on Heat and Power Load Optimizing Distribution for Heat Supply Unit

2014 ◽  
Vol 711 ◽  
pp. 112-116
Author(s):  
Jian Guo Jin ◽  
Jing Wen Yu ◽  
Li Hua Cao
Keyword(s):  
Mathematical Model ◽  
Heat Supply ◽  
Descent Method ◽  
Optimal Distribution ◽  
Parallel Operation ◽  
Constraint Condition ◽  
Experiment Data ◽  
Power Load ◽  
Correction Curve ◽  
The Mathematical Model

According to the thermal experiment data and correction curve of heat supply units, the mathematical analysis formula of thermodynamic characteristic has been given accurately in this paper. Moreover, the mathematical model with objective function and the constraint condition for parallel operation of several heat supply units has been built up. By using simplex method and improved SCDD(Synthesized Constrained Dual Descent) method on the basis of the mathematical model, optimal distribution of heat and power load between heat supply units has been realized, and result indicates that this model is reliable and may achieve the goal of energy conservation.

Single Spur Gear Reducer Optimization Design Mathematical Modeling

2013 ◽  
Vol 273 ◽  
pp. 198-202
Author(s):  
Yu Xia Wang
Keyword(s):  
Mathematical Modeling ◽  
Mathematical Model ◽  
Optimal Design ◽  
Objective Function ◽  
Optimization Design ◽  
Spur Gear ◽  
Design Parameters ◽  
Constraint Function ◽  
Design Variables ◽  
The Mathematical Model

In a given power P, number of teeth than u, input speed and other technical conditions and requirements, find out a set of used a economic and technical indexes reach the optimal design parameters, realize the optimization design of the reducer, This paper determined unipolar standard spur gear reducer design optimization of the design variables, and then determine the objective function, determining constraint function, so as to establish the mathematical model.

Structural Parameter Optimization Design of Torsion Beam Semi-Independent Suspension Based on Multi-Island Genetic Algorithm

2019 ◽  
Vol 893 ◽  
pp. 109-115
Author(s):  
Peng Zhang ◽  
Hong Xin Wang ◽  
Xiao Dong Zhang ◽  
Chang Yong Cao
Keyword(s):  
Genetic Algorithm ◽  
Mathematical Model ◽  
Optimization Design ◽  
Simulation Analysis ◽  
Structural Parameters ◽  
Geometric Transformation ◽  
Structural Parameter ◽  
Front Suspension ◽  
Parameter Optimization Design ◽  
The Mathematical Model

In order to reduce the variation of suspension parameters during wheel runout, andimprove the handling stability of the whole vehicle, a method for optimal design of Torsional beamsuspension structural parameters based on Multi-island genetic algorithm is proposed. Study on theMacpherson Front suspension of a car, based on the Euler's four-element method of multi-bodydynamics and the spatial analytic geometric transformation formula, the mathematical model ofTorsional beam suspension is derived in this paper, the reliability of the mathematical model isverified by the simulation analysis of the corresponding Adams model. On this basis, the degree ofsuspension performance affected by structure parameters is obtained by Sensitivity analysis. Finally,the optimization of suspension performance is realized by modifying the parameters by usingMulti-island genetic algorithm, which plays an important role in the stability and safety of thewhole vehicle.

The Equivalent Variation and Optimization Design of the Operating Mechanism of the Harvester

2013 ◽  
Vol 373-375 ◽  
pp. 7-11
Author(s):  
Lei Lu ◽  
Kang Luo ◽  
Qiang Wang ◽  
Hua Chen
Keyword(s):  
Mathematical Model ◽  
Optimal Design ◽  
Optimization Design ◽  
Engineering Problem ◽  
Operating Mechanism ◽  
Brake Pedal ◽  
Optimal Solutions ◽  
The Operating Mechanism ◽  
The Mathematical Model ◽  
Equivalent Mechanism

In this paper, an equivalent mechanism is obtained by means of optimal design to overcome the drawbacks of an existing brake pedal operating mechanism in a harvester. After establishing the mathematical model, we obtain the optimal design model, including the objective and constraint functions. Consequently the local optimal solutions are worked out, resulting in a solution for the applied engineering problem.

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