Articles
OPSI CEO, Dr. David Lubinsky, is a regular contributor to the respected monthly publication, Logistics News.
| The Benefits and Challenges of Steiner Trees (July 2010) Those of you who have been reading this column for a long time will know that I am particularly fond of logistical problems that are inherently difficult to solve. For example, think of adding in pipelines to connect all towns using the minimum amount of pipe. |
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| Ants and Zones in Warehouses (June 2010) In warehouses with a large number of SKU’s it is common to divide the warehouse into zones and then to allocate pickers to a zone. As orders come in, they are automatically split into zones and each sub-list sent to a picker in each zone. The sub-picks are then combined back into the full order. |
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| What is the perfect warehouse? (May 2010) If you run or own a warehouse I think you would be very interested in the answer to the question “What is the perfect warehouse?”. Someone else who wanted to know this answer is Edward H. Frazelle, who is the director of the “Logistics Management Series” at Georgia Tech University in Atlanta Georgia. Georgia Tech has one of the most advanced supply chain and logistics departments in the world and their website is a very valuable resource for anyone interested in supply chain optimisation. |
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| Axle weight (Feb 2010) Everyone in the trucking world knows that the restrictions on axle weight are being more and more tightly enforced and that there are even proposals to reduce maximum axle weights to try and reduce the damage to the country’s roads. But how can a trucker know what the weight is on each axle? |
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| Inbound and outbound can live in the same universe (Dec 2009) Some cosmologists believe that for every particle of matter in this universe, there exists a complementary particle of anti-matter in another separate universe. Where exactly that universe is, is hard to say, but the theory is that if these two universe are to collide they will both be destroyed instantly as matter and anti-matter explode in a fireball of mutual annihilation. What is the relevance of this to logistics? In many warehouses and distribution centres, the inbound and outbound transport are treated as if they too are mutually exclusive activities that that would explode on contact if they are ever brought together. |
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