US4401192A
Expired / Lapsed
US
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Method of evaluating the performance of an elevator system
Assignee: Westinghouse Electric Corp
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Filing: 1981-10-06
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Granted: 1983-08-30
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Expires: 2001-10-06
Abstract
Abstract A method of evaluating the performance of an elevator system by using actual elevator traffic conditions as an input to an elevator system simulator. The responses of the actual elevator system and the simulated elevator system to the identical actual traffic conditions are then compared to aid in servicing of the elevator system, or in marketing strategy features for the operative elevator system.
Inventors
- 👤 William J. Trosky
- 👤 Michael C. Buros
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:12
CPC Classifications
G; G09; G09B; G09B25/00; G09B25/02; B; B66; B66B; B66B5/00; B66B5/0006; B66B5/0037
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
126 words
A method of evaluating the performance of an elevator system, comprising the steps of: monitoring predetermined parameters of an operative elevator system, obtaining and storing data via said monitoring step representative of actual traffic conditions, obtaining and storing data via said monitoring step representative of the actual response of the elevator system to the stored traffic conditions, providing a simulator which simulates the operation of an elevator system having the same building configuration, number of elevator cars, and speed of the cars, as the operative elevator system, and which generates data representative of the proper response of the elevator system being simulated in response to traffic conditions applied thereto as inputs, operating the simulator using the stored data representative of the actual traffic conditions as inputs,
Claim 2
Independent Claim
126 words
A method of evaluating the performance of an elevator system, comprising the steps of: monitoring predetermined parameters of an operative elevator system, obtaining and storing data via said monitoring step representative of actual traffic conditions, obtaining and storing data via said monitoring step representative of the actual response of the elevator system to the stored traffic conditions, providing a simulator which simulates the operation of an elevator system having the same building configuration, number of elevator cars, and speed of the cars, as the operative elevator system, and which generates data representative of the proper response of the elevator system being simulated in response to traffic conditions applied thereto as inputs, operating the simulator using the stored data representative of the actual traffic conditions as inputs,
Claim 3
Dependent Claim
68 words
obtaining and storing the data provided by the simulator which is representative of the response of the simulated elevator system to the actual traffic conditions, and comparing data representative of the actual response of the operative elevator system with the data representative of the response of the simulated elevator system to the same actual traffic conditions, as an aid in evaluating the performance of the operative elevator system.
Claim 4
Dependent Claim
68 words
obtaining and storing the data provided by the simulator which is representative of the response of the simulated elevator system to the actual traffic conditions, and comparing data representative of the actual response of the operative elevator system with the data representative of the response of the simulated elevator system to the same actual traffic conditions, as an aid in evaluating the performance of the operative elevator system.
Claim 5
Dependent Claim
70 words
The method of claim 1 wherein the step of providing the simulator includes the step of providing the same dispatching strategy as the operative elevator system, such that the response of the simulated elevator system should be similar to the response of the operative elevator system, to the same traffic conditions, if the operative elevator system is performing properly, to thus aid in the servicing of the operative elevator system.
Claim 6
Dependent Claim
40 words
The method of claim 1 wherein the step of providing the simulator includes the step of providing substantially the same dispatching strategy as the operative elevator system, with the difference being a predetermined dispatching strategy it is desired to evaluate.
Claim 7
Dependent Claim
44 words
The method of claim 1 wherein the step of providing the simulator includes the step of providing a different dispatching strategy than that of the operative elevator system, to compare the efficacy of different dispatching strategies when operating from the same actual traffic conditions.
Claim 8
Dependent Claim
39 words
The method of claim 1 wherein the steps of obtaining and storing data representative of the actual and simulated responses of the operative and simulated elevator systems, respectively, includes the steps of analyzing the data to facilitate comparison thereof.
Claim 9
Dependent Claim
39 words
The method of claim 5 wherein the monitoring step includes the monitoring of up hall calls, and the analyzing step prepares waiting times for the up hall calls placed at a predetermined floor over a predetermined period of time.
Claim 10
Dependent Claim
39 words
The method of claim 5 wherein the monitoring step includes the monitoring of down hall calls, and the analyzing step prepares waiting times for the down hall calls placed at a predetermined floor over a predetermined period of time.
Claim 11
Dependent Claim
29 words
The method of claim 1 wherein the monitoring step includes the step of monitoring each car call, including the floor at which it was placed, and the destination floor.
Claim 12
Dependent Claim
27 words
The method of claim 1 wherein the monitoring step includes the step of monitoring the in-service time of each elevator car over a predetermined period of time.
Claim 13
Dependent Claim
30 words
The method of claim 1 wherein the monitoring step includes the step of monitoring the time each elevator car spends at a predetermined floor, over a predetermined period of time.
Claim 14
Dependent Claim
27 words
The method of claim 1 wherein the monitoring step includes the step of monitoring the time each elevator car is idle, over a predetermined period of time.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-08-29 | 1987-02-28 | 1987-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-08-29 | 1991-02-28 | 1991-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-08-29 | 1995-02-28 | 1995-08-30 | $7700.00 | Window Closed / Lapsed |