We address the multi container loading problem of a company that has to serve its customers by first putting the products on pallets and then loading the pallets into trucks. We approach the problem by developing and solving integer linear models. To be useful in practice, our models consider three types of constraints: geometric constraints, so that pallets lie completely inside the trucks and...

Mango quality is affected by thermal storage conditions. Therefore, it important to use cooling techniques and their monitoring maintain desirable properties in the fruit. The objective of this study was evaluate effects commercial rapid programs on ‘Rosa’ mango. Mangoes were distributed different horizontal positions six pallets. All pallets put through two times, three for 120 minutes 240 min...

Warehouses must maintain a number of spatial constraints concerning the safe handling of hazardous materials. In this paper, we address the problem of automated monitoring of spatial constraints as pallets are moved on forklifts by human operators. We propose using small, self-contained localizing sensor packages mounted on pallets. We consider two architectures: 1) a global architecture where ...

A basic idea for embedding the spectral pallet in RGB pixels is proposed. A tri−color image is converted into the spectral image, whose pixel is replaced by the spectral reflectance having the closest colorimetric value to that of pixel by looking up the spectral color pallets. SVD representation was very useful for the spectral image compression. We applied SVD for rearranged 36 pixels x36 spe...

Shelf life of fresh fruits and vegetables is greatly influenced by environmental conditions. Increasing temperature usually results in accelerated loss of quality and shelf-life reduction, which is not physically visible until too late in the supply chain to adjust logistics to match shelf life. A blackberry study showed that temperatures inside pallets varied significantly and 57% of the berri...

Test Methods A total of 1867 new, multiple-use and used (remanufactured and repaired) GMA pallets were randomly sampled from 20 different locations throughout the United States. The pallets were carefully inspected and then tested for strength and stiffness when in racks spanning the stringers (RAS) and spanning the deckboards (RAD). The test spans were 44and 36-inch respectively and a uniform-...

This paper utilizes the EPCglobal architecture framework to implement pallet management. Decision makers need to know every status of products in supply chain management, i.e., the visibility of products in the supply chain. The products always use the pallets as the carrying tools transported to various locations. If we want to understand the status of the products in the supply chain, first, ...

We concentrate on a family of discrete event systems obtained from a simple modular design principle that include in a controlled way primitives to deal with concurrency, decisions, synchronization, blocking , and bulk movements of jobs. Due to the functional complexity of such systems, reliable throughput approximation algorithms must be deeply supported on a structure based decomposition tech...

Over 135 million wooden pallets were repaired for reuse in 1995. Notched stringers are one of the most commonly damaged components. Metal plates, half companion stringers, and full companion stringers are repair methods described in the U.S. industry standard published by the American Society of Mechanical Engineers. This study evaluated the effect of these three stringer repair methods on the ...

We consider the container loading problem that occurs at many furniture factories where product boxes are arranged on product pallets and the product pallets are arranged in a container for shipments. The volume of products in the container should be maximized, and the bottom of each pallet must be fully supported by the container floor or by the top of a single pallet to simplify the unloading...