Abstract:
A method for determining the parameters connected to the run times of elevators and for using said parameters in the control of the elevators in an elevator system includes selecting a plurality of floor pairs from a plurality of floors served by the elevators; measuring runs between the selected floor pairs with one or more elevators; registering run events connected to the measured runs; determining, on the basis of the run events, a plurality of run time parameters connected to the run times; and controlling the elevators based on the aforementioned run time parameters when the elevators are in transport operation.
Abstract:
An exemplary method of controlling an elevator system includes determining a source floor of a new call from a passenger desiring elevator service. A direction of travel from the source floor for the new call is also determined. A path of a considered elevator car is simulated as if the new call were assigned to the considered elevator car by determining at least one of (i) a relationship between a position of the considered elevator car and the source floor or (ii) a relationship between a direction of movement of the considered elevator car and the direction of travel. The new call is assigned to one of a plurality of elevator cars if the assigning will satisfy each of (i) the one of the elevator cars will not move in a direction opposite the direction of travel during a time between the passenger boarding the one of the elevator cars and arriving at a destination of the passenger and (ii) the one of the elevator cars will not move in a direction opposite a travel direction of any currently assigned passenger during a time between the currently assigned passenger boarding the one of the elevator cars and arriving at a destination of the currently assigned passenger.
Abstract:
According to one embodiment, an elevator group control apparatus performs group control of operations of cars. The apparatus includes a power consumption calculation unit that calculates power consumption when each of the cars is run according to the operation curve on the basis of object data stored in the object data storage unit and an operation curve created by the operation curve creation unit, a distributed waiting controller that sets a car in a waiting state among the cars as a distributed waiting target car and outputs a distributed waiting instruction to move the target car to a distributed waiting floor, and a distribution instruction controller that obtains, from the power consumption calculation unit, power consumption when the distributed waiting target car is moved to the distributed waiting floor and, on the basis of the power consumption, permits or inhibits a distributed waiting instruction output from the distributed waiting controller.
Abstract:
An exemplary method of controlling an elevator system includes determining a source floor of a new call from a passenger desiring elevator service. A direction of travel from the source floor for the new call is also determined. A path of a considered elevator car is simulated as if the new call were assigned to the considered elevator car by determining at least one of (i) a relationship between a position of the considered elevator car and the source floor or (ii) a relationship between a direction of movement of the considered elevator car and the direction of travel. The new call is assigned to one of a plurality of elevator cars if the assigning will satisfy each of (i) the one of the elevator cars will not move in a direction opposite the direction of travel during a time between the passenger boarding the one of the elevator cars and arriving at a destination of the passenger and (ii) the one of the elevator cars will not move in a direction opposite a travel direction of any currently assigned passenger during a time between the currently assigned passenger boarding the one of the elevator cars and arriving at a destination of the currently assigned passenger.
Abstract:
Provided is an elevator group control apparatus which brings distributed standby control into action when the movement of users is heavy in one direction in an unbalanced manner in time zones which account for large proportions of an elevator use condition of a day, for example, in off-hour zones and time zones in which traffic demand is relatively small, thereby improving the waiting time of users, and does not bring distributed standby control into action when there is no unbalanced condition of the movement of the users, whereby it is possible to perform energy savings by reducing power consumption during runs without greatly worsening the waiting time of the users.In an elevator group control apparatus which performs the operation control of a plurality of elevators, there is detected a downward traffic flow ratio of traffic flows departing downward from floors higher than a prescribed main floor in the total traffic flow departing from one floor to another. If the downward traffic flow ratio is not less than a prescribed reference value, a standby mode for downward traffic flow is made effective. If the above-described standby mode for downward traffic flow has been made effective, at least one elevator car is caused to be on standby on a floor higher than the main floor and at least one elevator car is caused to be on standby on the main floor.
Abstract:
Provided are a group control method and a group control device capable of efficiently controlling the operation of elevators in diversified traffic situations and under a variety of specification conditions required for a group management system. A plurality of elevators are placed in service for a plurality of floors, an evaluation index for a newly made hall call is calculated, and the best suited car is selected and assigned to the hall call based on the evaluation index in the group control method of elevators. A waiting time expectation value of all passengers on all floors for each direction, either that have already occurred or that are expected to occur within a predetermined time period, is taken as the evaluation index, the waiting time expectation value being the expectation value for the sum or the average of waiting time.
Abstract:
An exemplary elevator system includes a first controller configured to recognize a hall call signal that indicates a passenger's desire to board an elevator car at a particular landing. The first controller is associated with at least one elevator car for assigning a hall call request to that elevator car. A second controller is configured to recognize a destination request that indicates a passenger's desire to be carried to a particular level. The destination request originates outside of an elevator car. The second controller is associated with at least one elevator car for assigning a destination request to that elevator car. The second controller is configured to determine whether a selected condition will be satisfied if a received destination request is serviced by an elevator car associated with the second controller. The second controller handles the received destination request in that manner if the condition will be satisfied. A cross dispatcher is configured to communicate with the second controller and to handle the destination request. If the condition will not be satisfied, the cross dispatcher provides an indication of a hall call signal corresponding to the received destination request to the first controller.
Abstract:
An elevator group control system for controlling multiple elevators cars each of which serves a plurality of floors includes a route preparation section which, at a time of assigning a hall call to one of the elevator cars, calculates a future trajectory for each of the elevator cars. The future trajectory for each elevator is for a case in which the hall call is assigned to the elevator car. A selecting unit which determines a selected one of the elevator cars to which the hall call is to be assigned using the calculated future trajectories.
Abstract:
An elevator group control system includes a reference route generating portion, which for each elevator, generates a reference route which the elevator should follow with respect to the time axis and position axis; and an assignment portion which selects an elevator for assignment to a generated hall call so as to make the actual trajectory of each elevator closer to its reference route. Reference routes which guide the cage's trajectory into temporally equal interval condition are generated, and car assignment is executed to allow the cages to settle in temporally equal interval condition over a long period of time.
Abstract:
An operation control method of plural elevators working between many floors is constructed so that a risk floor having a high probability that a long wait occurs is selected from among floors on which a platform call is not generated when a platform call is newly generated, assuming that along with the newly generated platform call a platform call is generated on the risk floor, allocation evaluations are made on the cases of allocating respective elevators to render services to these calls, an elevator to respond to the new platform call is decided based on the allocation evaluation result, and the plural elevators are controlled to be operated based on this decision.