客户订单解耦点(Customer Order Decoupling Point,CODP)的定位问题是定制生产中备受关注的热点之一。随着客户需求的不断变化,客户动态复杂需求引致的包括品种、数量及时间等多种变量因素交叉在一起,构成的一种不确定性生产环境,导致...客户订单解耦点(Customer Order Decoupling Point,CODP)的定位问题是定制生产中备受关注的热点之一。随着客户需求的不断变化,客户动态复杂需求引致的包括品种、数量及时间等多种变量因素交叉在一起,构成的一种不确定性生产环境,导致在存在多个订单解耦点的定制生产系统中,需要一个较好的CODP调整模型与策略。对动态环境和客户需求驱动,建立了一个适应动态环境的多CODP动态调整系统,设计了其激活机制与算法。并在调整CODP后,诊断新旧知识库是否出现不一致性,若出现不一致性则通过调整规则恢复一致性,从而保证多CODP动态调整模型的科学性。最后,结合某集团的汽轮机生产实例对所建立的多客户订单解耦点定位调整模型进行验证。展开更多
Cobb-Douglas production function is a nonlinear model which is most frequently used and can been changed into linear model.There is no doubt for the reasonability of this logarithm linearization.This paper gives an ne...Cobb-Douglas production function is a nonlinear model which is most frequently used and can been changed into linear model.There is no doubt for the reasonability of this logarithm linearization.This paper gives an new proposition on the basis of deeper analysis that there is a defect with this linearization,hence adjustable production function model is proposed to eliminate it.展开更多
文摘客户订单解耦点(Customer Order Decoupling Point,CODP)的定位问题是定制生产中备受关注的热点之一。随着客户需求的不断变化,客户动态复杂需求引致的包括品种、数量及时间等多种变量因素交叉在一起,构成的一种不确定性生产环境,导致在存在多个订单解耦点的定制生产系统中,需要一个较好的CODP调整模型与策略。对动态环境和客户需求驱动,建立了一个适应动态环境的多CODP动态调整系统,设计了其激活机制与算法。并在调整CODP后,诊断新旧知识库是否出现不一致性,若出现不一致性则通过调整规则恢复一致性,从而保证多CODP动态调整模型的科学性。最后,结合某集团的汽轮机生产实例对所建立的多客户订单解耦点定位调整模型进行验证。
文摘Cobb-Douglas production function is a nonlinear model which is most frequently used and can been changed into linear model.There is no doubt for the reasonability of this logarithm linearization.This paper gives an new proposition on the basis of deeper analysis that there is a defect with this linearization,hence adjustable production function model is proposed to eliminate it.