Category Archives: CHIP

Train Crew Diagraming


This probably was the most complex and complicated project I was ever working on. And while we delivered the product and met the specification (we even got the bonus payment for solution quality), the system was never used operationally. The … Continue reading

Posted in 1999, 49 Land Transport, 49.1 Passenger rail transport, CHIP, H Transportation and Storage, industrial study, live application, Personnel, Transport, Uncategorized | Leave a comment

Open Flight Repair for Air Crew


Allocating air crew (flight deck and cabin crew) to cover the flights of an airline is typically done with a large-scale rostering application, which are often based on column generation techniques, resulting in very large-scale set covering problems. These tools … Continue reading

Posted in 1994, 51 Air Transport, 51.1 Passenger Air Transport, CHIP, H Transportation and Storage, live application, Personnel, Transport | 1 Comment

Electrical Distribution Network Maintenance and Reconfiguration


The application I want to talk about today is described in “Constraint-based Maintenance Scheduling on an Electric Power-Distribution Network by Tom Creemers, LluĂ­s Ros Giralt, Jordi Riera, Carles Ferrarons, Josep Roca, Xavier Corbella,  in Proceedings of The Third International Conference … Continue reading

Posted in 1995, 35 Electricity Gas Steam and Air Conditioning Supply, 35.1 Electricity power generation transmission and distribution, CHIP, CHIP Users Club, D Electricity Gas Steam and Air Conditioning Supply, live application, Network, Practical Applications Conferences, Scheduling | 2 Comments

Intelligent Cabling System for Buildings


This post describes one of the early industrial CHIP applications, the LOCARIM system presented in “Serge Bourgault, Jean Pierre LePape, Gregor Baues, Frederic Deces, Daniel Mailharro, Frederique Terk. LOCARIM – Software for Designing Network Cabling in Buildings. In the 4th … Continue reading

Posted in 1994, 43 Specialized Construction Activities, 43.1 Electrical, plumbing and other construction installation activities, CHIP, CHIP Users Club, F Construction, Network, product/multiple installations | Leave a comment

Planning Catering Personnel for TGV Trains


The EPPER application was developed for the French catering firm Servair to manage their personnel assignment for the restaurant and bar services in the TGV Atlantique. This TGV service runs from Paris to Rennes, Nantes and Bordeaux and continues to … Continue reading

Posted in 1996, 49 Land Transport, 49.1 Passenger rail transport, 56 Food and beverage service activities, 56.1 Restaurants and mobile food service activities, CHIP, CHIP Users Club, H Transportation and Storage, I Accommodation and Food Services, live application, Personnel, Transport | Leave a comment

Building Fighter Aircraft


Most scheduling tools are intended for operational use, to control the sequence of production in a factory on a day-to-day basis. The MOSES application described before is a good example of such an operational tool. The PLANE system described in … Continue reading

Posted in 1992, 30 Manufacture of other transport equipment, 30.3 Manufacture of air and space craft, C Manufacturing, CHIP, CP Conference, ECLiPSe, Practical Applications Conferences, product/multiple installations, Scheduling | Leave a comment

Car Sequencing


Henry Ford is often quoted as saying: “Any customer can have a car painted any colour that he wants so long as it is black.” In the early years of using assembly lines for his model T, uniformity of product … Continue reading

Posted in 1988, 29 Manufacture of vehicles and trailers, 29.1 Manufacture of motor vehicles, benchmark, C Manufacturing, CHIP, ECAI, Scheduling | Leave a comment