|
| The set of bike stations |
|
| The set of e-bike stations, |
| The indices of nodes in , |
| The support of the demand distribution |
| Subscript associated with variables for certain demand realisation, |
| The set of demand scenarios, |
| Probability of demand scenario |
| The set of periods in the planning horizon |
| The index of any given time period in the planning horizon |
| Length of planning time period |
| The generalised trip cost of traditional bike between stations and |
| The cycling time of traditional bike between stations and |
| The rental fee component of generalised trip cost of traditional bike between stations and |
| The comfort cost of riding traditional bike between stations and |
| The generalised trip cost of e-bikes between stations and |
| The cycling time of e-bike between stations and |
| The rental fee component of generalised trip cost of e-bike between stations and |
| Distance between station and station |
| Average speed of traditional bike |
| Average speed of e-bike |
| Average charging time of each e-bike arrived at e-bike station after rental, in order to reach sufficient state of charge (SOC) |
| The minimum sufficient SOC |
| The initial average SOC |
| The charging speed at e-bike station |
| The value of time of commuters |
| The value of fatigue of bicyclists |
| Monetary unit rental fee per utilised bike sent from station to station |
| Monetary unit rental fee per utilised e-bike sent from station to station |
| Holding cost per empty bike at station |
| Holding cost per empty e-bike at station |
| Unit electricity price |
| Energy consumption rate of e-bike |
| Number of bike racks of station , that is, capacity of station for traditional bikes |
| Number of charging piles of station , that is, capacity of station for e-bikes |
| Minimum required bike fleet utilisation rate (trips per bike per day) |
| Minimum required e-bike fleet utilisation rate (trips per bike per day) |
| Total bike/e-bike fleet utilisation rate (trips per bike per day) |
| Fleet size of bikes to be deployed |
| Fleet size of e-bikes to be deployed |
| Total demand for shared bike/e-bike transportation service from station to station in time period for demand realisation |
| Demand for shared bike transportation service from station to station in time period for demand realisation |
| Demand for shared e-bike transportation service from station to station in time period for demand realisation |
| The number of rented bikes dispatched from station to station in time period in demand scenario |
| The number of bikes presented at station at the beginning of the period in demand scenario |
| The number of rented e-bikes dispatched from station to station in time period in demand scenario |
| The number of e-bikes presented at station at the beginning of the period in demand scenario |
| A positive parameter in modal split function |
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