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Isn’t Rave just making things more complicated?
When we deliver a production system, legality and quality rules are presented together with parameters that allow authorized planners to change costs and quality limits. As long as there is no change everything functions well. Our experience shows that the transport industry is a dynamic business where agreements, fleet structures, costs, opinions about good quality, bidding processes are subject to changes.

When a new rule structure is agreed or when per diem or overtime calculations are altered, it is necessary to adjust the system. The rule language allows the client to introduce such changes. This is very useful when performing agreement negotiations, and also when trimming the everyday operation. Rave gives our clients the opportunity to ensure that their systems keep track with reality.

Can Rave model many agreements?
Yes, Rave makes it possible to handle any agreement structure. We currently handle clients with many different union agreements in the same part of the operation. We also have clients where each individual crew member can choose between different agreements.

Do your clients actually use Rave?
From our ongoing service work we know that all our clients appreciate and actively use the simulation and change capabilities that Rave provides. Over 50% of our clients have actually been able to calculate the financial consequence of the added value that Rave brings. Of course it differs on a case-by-case basis, but the average is more than 2% in additional savings. This is a substantial saving, especially on top of the initial savings that good optimization provides.

Why not JAVA or C++ instead?
Modelling rules with a domain-specific language or even with a general programming language is not so difficult. However, it is difficult to get the rules and cost calculations to work together with optimization. To make it possible for our clients to constantly add rules and cost parameters has required a major development process. The Rave language is tailor-made for describing properties in the transport industry, while working very effectively with optimization.

 

 
  Technical Information
Questions & Answers
Article in OR/MS Today
Product Sheet (pdf)
 


If you have any questions about Carmen Rave, please contact us at [email protected]


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