Research Article
Using CVIS to Improve Bus Schedule Adherence: A Predictive Control Strategy and Its Hardware-in-the-Loop Field Tests
| Type | Symbol | Definition |
| Set | | The set of intersections | | The set of links | | The set of bus stops | | The set of key-time node of planned arrival time | | The set of key-time node of latest planned arrival time |
| Timing variable | | Signal time when bus arrives at intersection | | Common cycle | | Predicted arrival time point in one cycle when bus arrives at intersection | | Red time between and the ending time of the red phase at intersection | | Back-stepping arrival time point in one cycle when bus arrives at intersection | | Red time between and the starting time of the red phase at intersection | | The planned arrival time point to downstream stop | | The latest planned arrival time point to downstream stop | | Current time |
| Data | | Current speed of bus | | Empirical bus speed at link | | Length of link | | Distance between bus and th downstream stop | | Current link | | Link in which th downstream stop is located | | Empirical bus speed at link |
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