AU544203B2 - Signal processing for automatic control - Google Patents

Signal processing for automatic control

Info

Publication number
AU544203B2
AU544203B2 AU75931/81A AU7593181A AU544203B2 AU 544203 B2 AU544203 B2 AU 544203B2 AU 75931/81 A AU75931/81 A AU 75931/81A AU 7593181 A AU7593181 A AU 7593181A AU 544203 B2 AU544203 B2 AU 544203B2
Authority
AU
Australia
Prior art keywords
signal processing
automatic control
automatic
control
signal
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.)
Ceased
Application number
AU75931/81A
Other versions
AU7593181A (en
Inventor
Graham John Fecitt
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents Ltd
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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Publication of AU7593181A publication Critical patent/AU7593181A/en
Application granted granted Critical
Publication of AU544203B2 publication Critical patent/AU544203B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
    • G01B15/02—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring thickness

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
  • Earth Drilling (AREA)
AU75931/81A 1980-10-28 1981-10-01 Signal processing for automatic control Ceased AU544203B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8034685A GB2088045B (en) 1980-10-28 1980-10-28 Signal processing systems
GB8034685 1980-10-28

Publications (2)

Publication Number Publication Date
AU7593181A AU7593181A (en) 1982-05-06
AU544203B2 true AU544203B2 (en) 1985-05-23

Family

ID=10516931

Family Applications (1)

Application Number Title Priority Date Filing Date
AU75931/81A Ceased AU544203B2 (en) 1980-10-28 1981-10-01 Signal processing for automatic control

Country Status (5)

Country Link
US (1) US4428618A (en)
AU (1) AU544203B2 (en)
DE (1) DE3141564A1 (en)
GB (1) GB2088045B (en)
ZA (1) ZA816537B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3539263A1 (en) * 1985-11-06 1987-05-14 Hoelter Heinz Method of determining the boundary areas between coal and rock at shearer loaders and heading machines for the automatic control of the same
US6781130B2 (en) 1999-12-23 2004-08-24 Geosteering Mining Services, Llc Geosteering of solid mineral mining machines
US8807660B2 (en) 2011-08-03 2014-08-19 Joy Mm Delaware, Inc. Automated stop and shutdown operation of a mining machine
JP7358290B2 (en) * 2020-04-07 2023-10-10 Ｊｆｅエンジニアリング株式会社 Method and device for estimating the thickness of deposits on the inner wall surface of the exhaust gas passage
JP7358291B2 (en) * 2020-04-07 2023-10-10 Ｊｆｅエンジニアリング株式会社 Method and device for estimating the thickness of deposits on the inner wall surface of the exhaust gas passage

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1045874A (en) 1962-04-19 1966-10-19 Coal Industry Patents Ltd Mineral mining machines
GB1130814A (en) 1967-02-20 1968-10-16 M E L Equipment Co Ltd Improvements in or relating to output signal control devices
GB1203362A (en) 1967-04-27 1970-08-26 Eickhoff Geb Improvements in or relating to mining machines
US3612876A (en) 1968-05-21 1971-10-12 Industrial Nucleonics Corp Standardization system for a digital radiation gauge
BE791168A (en) 1971-11-12 1973-05-09 Coal Industry Patents Ltd STEERING EQUIPMENT OF A HAVEUSE WITH LARGE SIZE FRONTS
GB1383756A (en) 1971-11-12 1974-02-12 Coal Industry Patents Ltd Control for an underground mining installation
CA990417A (en) 1972-02-15 1976-06-01 Claude Faraguet Method and apparatus for measuring material thickness
GB1526028A (en) 1976-04-30 1978-09-27 Coal Ind Method of and apparatus for steering a cutting means of a mineral mining machine
DE2714506C2 (en) 1977-04-01 1982-06-16 Bergwerksverband Gmbh, 4300 Essen Method and device for monitoring and controlling longwall equipment
US4331262A (en) 1978-04-07 1982-05-25 New Brunswick Scientific Co., Inc. Calibratable automatic fluid dispenser

Also Published As

Publication number Publication date
GB2088045B (en) 1984-09-26
ZA816537B (en) 1982-09-29
US4428618A (en) 1984-01-31
GB2088045A (en) 1982-06-03
AU7593181A (en) 1982-05-06
DE3141564A1 (en) 1982-07-29
DE3141564C2 (en) 1989-12-14

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