TITLE:
Safety reliability optimal allocation of food cold chain
AUTHORS:
Yifeng Zou, Ruhe Xie, Guanghai Liu
KEYWORDS:
Cold Chain; Safety Reliability; Food Logistics System; Allocation Optimization
JOURNAL NAME:
Agricultural Sciences,
Vol.4 No.9B,
November
6,
2013
ABSTRACT: This paper applied
the safety reliability of food cold chain logistics to establish reliability
allocation model for cold chain systems, designed optimization algorithms, and
made a case analysis. By applying system reliability allocation principle, this
article firstly built safety reliability allocation model of food cold chain
logistics system without cost constraint based on the safety reliability model
of food cold chain logistics system, and then it set up optimal decision- making
model of food cold chain logistics system with cost constraint using the
functional relationship between the time, temperature of cold chain logistics
and logistics costs. Next, according to the characteristics of the model, a
heuristic algorithm was proposed to allocate safety reliability of the system
to each cold chain unit so as to achieve the goal of operatingcosts optimization subject to assurance ofoverall safety reliability of the cold chain system. Taking the safety impact
factor of food cold chain unit as a weight, the article also deduced the
equation of reallocation of safety reliability of food cold chain system. In
the end, these models were used to optimize the allocation of safety
reliability in an example of Sushi cold chain process. It provided a new
thought and method to optimally plan the unit safety of food cold chain system
as well as reduce the cost of food cold chain.