By Ifac, Ifip, Ifors Conference on Control in Transportation Systems 1986, M. M. Etschmaier, T. Hasegawa, Robert Genser, H. Strobel, R. Genser

This quantity investigates advancements in, and administration of, transportation platforms, destiny tendencies and what results those could have on society. The booklet experiences transportation platforms making plans; site visitors difficulties and the difficulty of conservation; using logistics, and the function of desktops and robotics in site visitors regulate

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Additional resources for Control in Transportation Systems 1986. Proceedings of the 5th IFAC/IFIP/IFORS Conference, Vienna, Austria, 8–11 July 1986

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The signpost priciple. ( b ) P r o x i m i t y or signpost method. This method provides the locations of vehicles by determining the relationship between the individual vehicles and fixed locations strategically placed throughout the network. These fixed locations are indicated by so-called signposts, Present' vehicle position (b) Proximity or signpost *\ I H-II Limited odometer accuracy Low-cost onboard units <8 Bus & Signpost II 1. (c) Radio location methods Station 3 Large number of signposts Very high Multivariant usable (taxi, dial-a-ride police cars, emergency vehicles) Fig.

2. Schedule readjustment for large delays There are examples, however, where the due to incidents (vehicle breakdowns, track dial-a-ride service was discontinued when maintenance, e t c ) , by changing the locat- governmental funding ended. These experi- ions where trains cross and pass each other ences highlights typical institutional pro- as well as the assigned station platform. blems that may occur when funding arrange- The automatic train operation (ΑΤΟ) subsy- ments for new transport services are not stem performs functions normally carried in concert with existing transit institut- out by the driver.

Thus, the main incentives for implenting the introduction of computerized bus moni- computerized ATS systems are not cost/bene- toring systems may represent a major tool fit factors but the traffic demand require- for decreasing the operational costs of ments and the resulting issues of safety the public transit system and for increas- and operational reliability. ing its overall effeciency (cf. Strobel, 1982 for more details). Computer Controlled Urban Transportation 4 . 1 B a s i c S y s t e m s TRAISPORT: TRAMSIT Concepts What role will or can advanced computer and automation technology play in the framework of long-term supply strategies in ac- 41 * a dense traffic network with short * ing distances to the stations * a demand-responsive operation with stop origin-destination travel and waiting times at stations, as well operation around the clock.

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