haku: @author Iyer, A. V. / yhteensä: 4
viite: 1 / 4
« edellinen | seuraava »
| Tekijä: | Iyer, A. V. |
| Otsikko: | Carbage collection in Chicago: A dynamic scheduling model. |
| Lehti: | Management Science
1997 : JUL, VOL. 43:7, p. 922-933 |
| Asiasana: | TRANSPORT COSTS WASTE VEHICLE SCHEDULING MARKOV CHAINS USA |
| Kieli: | eng |
| Tiivistelmä: | The authors investigate the scheduling of garbage trucks in Chicago. Analysis shows that city blocks differ in the rate at which garbage is collected. In the current system truck visits the dumsite two times each day. Our approach is to device a flexible routing scheme in which some routes visit the dumsite twice per day depending on the blocks assigned to the route. The study uses a Markov decision process to model the impact on capacity of using flexible routes. This provides a dynamic scheduling algorithm that adjusts the number of dumpsite visits throughout the week to maximize service level. Results of the model suggest a potential reduction in truck capacity of 12-16 % for a set of five pilot wards. This paper shows that flexible schedules can significantly reduce the capacity required to operate a system in the presence variability. |
« edellinen | seuraava »
SCIMA