RU2002115860A - Method for measuring the complex resistance of a bridge circuit with close inductive coupling and a device for its implementation - Google Patents

Method for measuring the complex resistance of a bridge circuit with close inductive coupling and a device for its implementation

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Publication number
RU2002115860A
RU2002115860A RU2002115860/09A RU2002115860A RU2002115860A RU 2002115860 A RU2002115860 A RU 2002115860A RU 2002115860/09 A RU2002115860/09 A RU 2002115860/09A RU 2002115860 A RU2002115860 A RU 2002115860A RU 2002115860 A RU2002115860 A RU 2002115860A
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RU
Russia
Prior art keywords
bridge circuit
phase
shoulders
measuring
constant frequency
Prior art date
Application number
RU2002115860/09A
Other languages
Russian (ru)
Other versions
RU2224261C1 (en
Inventor
Аркадий Николаевич Дывак
Станислав Викторович Балакин
Ярослав В чеславович Хачатуров
Ярослав Вячеславович Хачатуров
Original Assignee
Открытое акционерное общество "Ракетно-космическа корпораци "Энерги " им. С.П. Королева"
Открытое акционерное общество "Ракетно-космическая корпорация "Энергия" им. С.П. Королева"
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.)
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Publication date
Application filed by Открытое акционерное общество "Ракетно-космическа корпораци "Энерги " им. С.П. Королева", Открытое акционерное общество "Ракетно-космическая корпорация "Энергия" им. С.П. Королева" filed Critical Открытое акционерное общество "Ракетно-космическа корпораци "Энерги " им. С.П. Королева"
Priority to RU2002115860/09A priority Critical patent/RU2224261C1/en
Publication of RU2002115860A publication Critical patent/RU2002115860A/en
Application granted granted Critical
Publication of RU2224261C1 publication Critical patent/RU2224261C1/en

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  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measurement Of Resistance Or Impedance (AREA)

Claims (2)

1. Способ измерения комплексного сопротивления мостовой схемы с тесной индуктивной связью, заключающий в формировании в плечах мостовой схемы сигналов путем воздействия на них сигналом постоянной частоты, сравнении величин сформированных в плечах мостовой схемы сигналов, по сигналу разности которых судят о соотношении комплексных сопротивлений, отличающийся тем, что задают эталонное значение измеряемого параметра, производят сдвиг по фазе на 90° сигналов, сформированных в плечах мостовой схемы, затем производят измерение фазы сигнала разности, производят сравнение фазы сигнала разности с фазой сигнала постоянной частоты, после чего производят фиксацию момента сдвига фазы сигнала разности на 180° и по указанному фиксированному моменту судят о равенстве комплексных сопротивлений.1. A method of measuring the complex resistance of a bridge circuit with close inductive coupling, comprising forming signals in the shoulders of the bridge circuit by applying a constant frequency signal to them, comparing the values of the signals formed in the shoulders of the bridge circuit, the difference signal of which judges the ratio of complex resistances, characterized in that set the reference value of the measured parameter, produce a phase shift of 90 ° of the signals generated in the shoulders of the bridge circuit, then measure the phase of the signal differences, the phase of the difference signal is compared with the phase of the constant frequency signal, after which the phase shift of the difference signal is fixed by 180 ° and the equality of the complex resistances is judged by the specified fixed moment. 2. Устройство измерения комплексного сопротивления мостовой схемы с тесной индуктивной связью, содержащее генератор постоянной частоты, подключенный к одной из диагоналей мостовой схемы, усилитель, подключенный к другой диагонали мостовой схемы, отличающееся тем, что последовательно соединенные регулируемый усилитель и элемент дисбаланса мостовой схемы с характеристикой, идентичной плечевым сопротивлениям, подключены параллельно одному из сравниваемых плеч мостовой схемы, а выход усилителя через фильтр и первый амплитудный компаратор подключен к первому входу фазочувствительного фиксатора, при этом генератор постоянной частоты через последовательно соединенные фазосдвигающее устройство и второй амплитудный компаратор подключен ко второму входу фазочувствительного фиксатора, выход которого является выходом устройства.2. A device for measuring the complex resistance of a bridge circuit with close inductive coupling, comprising a constant frequency generator connected to one of the diagonals of the bridge circuit, an amplifier connected to another diagonal of the bridge circuit, characterized in that the adjustable amplifier and the unbalance element of the bridge circuit are connected in series with the characteristic identical to the shoulder resistance, connected in parallel to one of the compared shoulders of the bridge circuit, and the amplifier output through the filter and the first amplitude compara Op is connected to the first input of phase-sensitive lock, wherein the constant frequency generator through series-connected phase shifter and a second amplitude comparator is connected to the second input of the phase-sensitive latch, whose output is the output device.
RU2002115860/09A 2002-06-13 2002-06-13 Procedure measuring complex impedance of bridge circuit with close inductive coupling and facility for its implementation RU2224261C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2002115860/09A RU2224261C1 (en) 2002-06-13 2002-06-13 Procedure measuring complex impedance of bridge circuit with close inductive coupling and facility for its implementation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2002115860/09A RU2224261C1 (en) 2002-06-13 2002-06-13 Procedure measuring complex impedance of bridge circuit with close inductive coupling and facility for its implementation

Publications (2)

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RU2002115860A true RU2002115860A (en) 2004-02-10
RU2224261C1 RU2224261C1 (en) 2004-02-20

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RU2002115860/09A RU2224261C1 (en) 2002-06-13 2002-06-13 Procedure measuring complex impedance of bridge circuit with close inductive coupling and facility for its implementation

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2589273C2 (en) * 2014-09-15 2016-07-10 Открытое акционерное общество "Ракетно-космическая корпорация "Энергия" имени С.П. Королева" Device for measuring complex resistance of bridge circuit

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RU2224261C1 (en) 2004-02-20

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Effective date: 20090614