IP Library › Granted Patent US 9,961,802
Granted Patent B2
US 9,961,802 · App. 14/870,558 · Granted May 1, 2018

Reducing condensation risk within liquid cooled computers

Inventors: Richard B. Finch (New Paltz, NY); Jason T. Hirst (Poughkeepsie, NY); Gerald G. Stanquist (Salt Point, NY)
Assignee: International Business Machines Corporation
H05K7/20763F25B47/006G06F1/20G06F2200/201
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Quick Facts
Patent No.
US 9,961,802
App. No.
14/870,558
Granted
May 1, 2018
Kind
B2
Abstract

An approach is provided in which a manufacturing test scheduling system predicts a dew point forecast indoor a facility based upon outdoor weather data and indoor environment data. The manufacturing test scheduling system selects time slots in the dew point forecast based upon a pre-defined dew point threshold and, in turn, schedules tests of a liquid cooled computer system during the selected time slots.

Claims (23)

1. A method implemented by an information handling system that includes a memory and a processor, the method comprising:

generating, by the processor, an indoor dew point forecast based upon outdoor weather data and indoor environment data, wherein the indoor dew point forecast corresponds to an area indoor a facility;

selecting one or more time slots in the dew point forecast corresponding to one or more sets of a plurality of predicted dew points in the indoor dew point forecast that are each below a pre-defined dew point threshold; and

performing one or more cold bias tests during the one or more time slots to test a liquid cooled computer system.

2. The method of claim 1 further comprising:

generating a plurality of auto-regressive models based upon historical outdoor weather data of the outdoor weather data and historical indoor environment data of the indoor environment data;

building a system of equations using the plurality of auto-regressive models;

solving the system of equations, resulting in a plurality of regression coefficients; and

generating a prediction equation based upon the plurality of regression coefficients.

3. The method of claim 2 further comprising:

receiving a forecast of the outdoor weather data; and

combining the forecast outdoor weather data with the prediction equation based upon one or more of the plurality of regression coefficients during the generation of the indoor dew point forecast.

4. The method of claim 3 further comprising:

receiving real-time environment data corresponding to real-time environmental conditions at the indoor facility area; and

combining the real-time indoor environment data with the prediction equation based upon one or more of the plurality of regression coefficients during the generation of the indoor dew point forecast.

5. The method of claim 2 further comprising:

performing the one or more cold bias tests on the liquid cooled computer system during the one or more time slots;

collecting actual indoor dew point data during the one or more cold bias tests; and

adjusting the prediction equation based upon analyzing the actual indoor dew point data.

6. The method of claim 2 wherein the pre-defined dew point threshold corresponds to a setpoint temperature of the liquid cooled computer system during the cold bias test.

7. The method of claim 2 wherein the scheduling further comprises:

retrieving an initial manufacturing test schedule that includes the one or more cold bias tests scheduled according to a first test order; and

generating a second test order that schedules the one or more cold bias tests to execute during the one or more time slots.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 30, 2015
From: FINCH, RICHARD B.; HIRST, JASON T.; STANQUIST, GERALD G.
To: INTERNATIONAL BUSINESS MACHINES CORPORATION
Reel/Frame 036692/0538 →
Continuity (2)
Continuation 14444013 · Jul 28, 2014
Related Publication 20160029520A1 · Jan 28, 2016