CA2368124A1 - Method and apparatus for optimizing environmental temperature for a device under test - Google Patents

Method and apparatus for optimizing environmental temperature for a device under test Download PDF

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Publication number
CA2368124A1
CA2368124A1 CA002368124A CA2368124A CA2368124A1 CA 2368124 A1 CA2368124 A1 CA 2368124A1 CA 002368124 A CA002368124 A CA 002368124A CA 2368124 A CA2368124 A CA 2368124A CA 2368124 A1 CA2368124 A1 CA 2368124A1
Authority
CA
Canada
Prior art keywords
dut
temperature
under test
device under
calculating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002368124A
Other languages
French (fr)
Other versions
CA2368124C (en
Inventor
Robert T. Stewart
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sigma Systems Corp
Original Assignee
Sigma Systems Corporation
Robert T. Stewart
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sigma Systems Corporation, Robert T. Stewart filed Critical Sigma Systems Corporation
Publication of CA2368124A1 publication Critical patent/CA2368124A1/en
Application granted granted Critical
Publication of CA2368124C publication Critical patent/CA2368124C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
    • G05D23/193—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces
    • G05D23/1931—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of one space

Abstract

A method and associated algorithm for controlling and optimizing the temperature of a device under test (DUT) through calculation of a moving setpoint which varies from the user-specified DUT core temperature. The method generally comprises (i) calculating a system operating range based on limits imposed by the DUT, associated temperature control system, and thermal conditioning equipment; (ii) determining the allowable operating range for the DUT based on permissible DUT
stress and DUT core temperature; and (iii) calculating a control setpoint based on DUT and conditioning system temperature data, one or more pre-selected setup factors, and the system and DUT operating ranges. In another aspect of the invention, variable temperature differential limits are imposed on the CSP as a function of DUT core temperature in order to mitigate thermal shock to the DUT. A computer system and thermal conditioning system incorporating the above-described method and algorithm is also disclosed.
CA002368124A 1999-03-16 2000-03-15 Method and apparatus for optimizing environmental temperature for a device under test Expired - Fee Related CA2368124C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/268,900 1999-03-16
US09/268,900 US6449534B1 (en) 1999-03-16 1999-03-16 Method and apparatus for optimizing environmental temperature for a device under test
PCT/US2000/006817 WO2000055703A1 (en) 1999-03-16 2000-03-15 Method and apparatus for optimizing environmental temperature for a device under test

Publications (2)

Publication Number Publication Date
CA2368124A1 true CA2368124A1 (en) 2000-09-21
CA2368124C CA2368124C (en) 2005-08-02

Family

ID=23024999

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002368124A Expired - Fee Related CA2368124C (en) 1999-03-16 2000-03-15 Method and apparatus for optimizing environmental temperature for a device under test

Country Status (7)

Country Link
US (1) US6449534B1 (en)
EP (1) EP1161712B1 (en)
AT (1) ATE365937T1 (en)
AU (1) AU767765B2 (en)
CA (1) CA2368124C (en)
DE (1) DE60035338T2 (en)
WO (1) WO2000055703A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6993418B2 (en) * 1999-03-16 2006-01-31 Sigma Systems Corporation Method and apparatus for latent temperature control for a device under test
TW522292B (en) * 2001-02-06 2003-03-01 Asml Us Inc Inertial temperature control system and method
US7693491B2 (en) * 2004-11-30 2010-04-06 Broadcom Corporation Method and system for transmitter output power compensation
WO2006138287A2 (en) * 2005-06-13 2006-12-28 Sigma Systems Corporation Methods and apparatus for optimizing environmental humidity
US8019567B2 (en) 2007-09-17 2011-09-13 Ecofactor, Inc. System and method for evaluating changes in the efficiency of an HVAC system
US8010237B2 (en) * 2008-07-07 2011-08-30 Ecofactor, Inc. System and method for using ramped setpoint temperature variation with networked thermostats to improve efficiency
US8180492B2 (en) 2008-07-14 2012-05-15 Ecofactor, Inc. System and method for using a networked electronic device as an occupancy sensor for an energy management system
US8740100B2 (en) 2009-05-11 2014-06-03 Ecofactor, Inc. System, method and apparatus for dynamically variable compressor delay in thermostat to reduce energy consumption
US8596550B2 (en) 2009-05-12 2013-12-03 Ecofactor, Inc. System, method and apparatus for identifying manual inputs to and adaptive programming of a thermostat
US10584890B2 (en) 2010-05-26 2020-03-10 Ecofactor, Inc. System and method for using a mobile electronic device to optimize an energy management system
US8090477B1 (en) 2010-08-20 2012-01-03 Ecofactor, Inc. System and method for optimizing use of plug-in air conditioners and portable heaters
US10048706B2 (en) 2012-06-14 2018-08-14 Ecofactor, Inc. System and method for optimizing use of individual HVAC units in multi-unit chiller-based systems
KR102207463B1 (en) * 2014-04-14 2021-01-26 삼성전자주식회사 Oven and method for controlling the same
CN110502826B (en) * 2019-08-19 2022-08-02 华能澜沧江水电股份有限公司 Method for determining anti-abrasion concrete temperature control standard of concrete dam overflow surface
CN114115383B (en) * 2021-11-19 2022-05-20 佛山法赛图温控设备有限公司 Method and system for controlling temperature of product in oven, electronic device and storage medium

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4734872A (en) * 1985-04-30 1988-03-29 Temptronic Corporation Temperature control for device under test
US4816647A (en) 1987-11-13 1989-03-28 General Electric Company Power control for appliance having a glass ceramic cooking surface
US4925089A (en) * 1989-06-30 1990-05-15 Jc Systems, Inc. Environmental response control apparatus and method
US5197375A (en) 1991-08-30 1993-03-30 The Middleby Corporation Conveyor oven control
US5224836A (en) 1992-05-12 1993-07-06 Ingersoll-Rand Company Control system for prime driver of compressor and method
US5205132A (en) * 1992-06-12 1993-04-27 Thermonics Incorporated Computer-implemented method and system for precise temperature control of a device under test
US5420521A (en) 1992-10-27 1995-05-30 Ej Systems, Inc. Burn-in module
US5367601A (en) 1994-02-16 1994-11-22 World Technology Group, Inc. Supplemental heat control system with duct temperature sensor and variable setpoint

Also Published As

Publication number Publication date
DE60035338D1 (en) 2007-08-09
EP1161712A1 (en) 2001-12-12
ATE365937T1 (en) 2007-07-15
DE60035338T2 (en) 2008-02-28
EP1161712B1 (en) 2007-06-27
WO2000055703A1 (en) 2000-09-21
AU3886400A (en) 2000-10-04
US6449534B1 (en) 2002-09-10
AU767765B2 (en) 2003-11-20
CA2368124C (en) 2005-08-02

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