threshing performance

Under the uncertain conditions, the purpose of setting up nonlinear mathematical model of the threshing performance with its influencing factors is to optimize all parameters of construction and motion so that we can get the optimum threshing performances.

建立脱粒装置性能与其影响因素之间非线性模型的目的就是在不确定环境下，对影响脱粒性能的各因素进行优化使脱粒装置的各个性能指标达到最佳要求。

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Model and Simulation of the Threshing Performance Based on Genetic Algorithm and BP Neural Network

基于GA-Bp算法的收获机械脱粒性能建模与仿真

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The testing unit was used on experimental research of working performance and structural parameter of axial flow threshing and separating installation, scientific research and instructional system etc.

该试验台可进行轴流脱粒与分离装置工作性能和结构参数的试验与研究，可用于科研、教学和生产等部门。

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The research and tests for improving threshing and separating performance on a new vertical axial-flow threshing test-bed

提高立式轴流脱粒分离性能的试验研究

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As application of the model, mathematical simulation of the threshing performance of the thresher is made and optimal designs of the-thresher is described.

作为模型的应用，文中对脱粒装置的脱粒分离性能进行了数学模拟，并指出了它在脱粒装置优化设计上的应用。

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Threshing and separator device has a direct influence on the threshing performance indicators of un-threshing, entrainment loss and broken grain rate. It determines the work quality and productivity of the machine.

脱粒分离装置直接影响脱不净损失率、夹带损失率和破碎率等性能指标，决定了机器的工作质量和生产率。

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Seed-husking plant is the key unit of combine, whose improvement and perfection is mainly based on the nonlinear mathematical model of the threshing performance with its influencing factors.

脱粒装置是联合收获机械的核心部件，它的改进与完善是以脱粒性能与其影响因素之间的非线性模型为基础的。

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The main result of study is as follows: ( 1) The scheme of threshing mechanism was confirmed, base on the performance, advantages-disadvantages, and adaptability of threshing mechanism.

主要研究结果如下：（1）研究现有脱粒装置的性能、优缺点及适应性，确定了谷子脱粒装置的总体结构方案。

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