回购对损失厌恶型零售商订货量的影响

针对供应商的回购策略,运用前景理论分析了损失厌恶型零售商的最优订货量与供应商回购系数,供应商回购系数与零售商损失厌恶程度的相互关系。研究表明,在一定范围内,损失厌恶型零售商的最优订货量随回购系数的增大而增大,供应商的回购系数随零售商损失厌恶程度的增大而增大。算例验证结果与理论分析基本吻合。

Retailer' Order Problem When Regret Factor is Considered

Traditional expected utility theory suggests that decision-makers are completely rational,but a large number of experiments and empirical studies have shown that decision-makers will be influenced by their perception of psychological and other factors,is bounded rationality when making decisions.This paper will be based on regret theory,considering the influence of retailer’regret factor on their order quantity in a single cycle,and providing corresponding measures which supplier can take to weaken the influence of retail regret.

WK-10C型电铲铲斗失控分析及对策

朱兰铁矿采场进行生产作业的WK-10C型电铲铲斗频繁出现自行下落的现象,引发了数起铲斗损坏高压供电电缆及矿用汽车挡板的设备事故。为了从根本上避免该问题,对电铲及其作业流程进行深入调查,确定了造成铲斗制动失灵的根本原因是提升机构压气系统排气受阻。针对此故障,制定了加装气路调压阀的改进方案。方案实施后,制动系统抱闸响应迅速,能及时有效地完成铲斗制动过程,电铲故障率明显降低。