Patent application number | Description | Published |
20090216376 | Group Elevator Scheduling With Advanced Traffic Information - A near-optimal scheduling method for a group of elevators uses advanced traffic information. More particularly, advanced traffic information is used to define a snapshot problem in which the objective is to improve performance for customers. To solve the snapshot problem, the objective function is transformed into a form to facilitate the decomposition of the problem into individual car subproblems. The subproblems are independently solved using a two-level formulation, with passenger to car assignment at the higher level, and the dispatching of individual cars at the lower level. Near-optimal passenger selection and individual car routing are obtained. The individual cars are then coordinated through an iterative process to arrive at a group control solution that achieves a near-optimal result for passengers. | 08-27-2009 |
20100065378 | ELEVATOR SYSTEM WITH MULTIPLE CARS IN A SINGLE HOISTWAY - Controlling the movement of elevator cars ( | 03-18-2010 |
20100174509 | DESIGN PROCESS FOR ELEVATOR ARRANGEMENTS IN NEW AND EXISTING BUILDINGS - A method for determining a suitable configuration for an elevator system for a building that includes acquiring building related information and passenger use information. Elevator system performance requirements based on elevator system passenger numbers are selected based on this information followed by selecting a set of elevator system characteristic variables that are desired to be at optimal values which are processed along with the information and performance requirements to provide an optimal solution. | 07-08-2010 |
20100213012 | MULTIPLE CAR HOISTWAY INCLUDING CAR SEPARATION CONTROL - A separation distance is maintained between a leading elevator car ( | 08-26-2010 |
20100282543 | COORDINATION OF MULTIPLE ELEVATOR CARS IN A HOISTWAY - The movement of a plurality of elevator cars ( | 11-11-2010 |
20120247919 | DETECTION OF PEOPLE RELATIVE TO A PASSENGER CONVEYOR WITH A CAPACITIVE SENSOR - A system for detecting a person relative to a passenger conveyor includes a driving circuit for supplying an oscillating drive signal to a first electrode of a capacitive sensor configured to produce an electric field toward a second electrode in response to the oscillating drive signal. A detection circuit is connected to the capacitive sensor, and produces an output as a function of the capacitance of the capacitive sensor, such that the detection circuit senses a change in capacitance of the capacitive sensor, such as when a person enters the electric field between the first and second electrodes. A controller is responsive to the change in capacitance sensed by the detection circuit to selectively adjust an operation mode of the passenger conveyor. | 10-04-2012 |
20120255813 | GROUP ELEVATOR SCHEDULING WITH ADVANCE TRAFFIC INFORMATION - A near-optimal scheduling method for a group of elevators uses advance traffic information. More particularly, advance traffic information is used to define a snapshot problem ( | 10-11-2012 |
20140190774 | CIRCULATION TRANSPORT SYSTEM - An elevator system includes two or more hoistways. One or more elevator cars are located in a first of the two or more hoistways and movable to a second hoistway of the two or more hoistways. The system further includes one or more elevator car transfer mechanisms including a transfer cage receptive of an elevator car of the one or more elevator cars and one or more transfer rails extending from the first hoistway to the second hoistway. The transfer cage is connected to the one or more transfer rails and is configured to transfer the elevator car received in the transfer cage by movement of the transfer cage along the one or more transfer rails from the first hoistway to the second hoistway. | 07-10-2014 |