Characterization of elastic modulus of tubular matter
AssigneesToyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki Kaisha
InventorsTaehwa Lee, Xiaopeng Li, Ziqi Yu
Life of this patent
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Abstract
Systems, apparatuses, and methods provide for measuring elastic modulus usable with a tubular object. A sound signal is propagated within the tubular object via a speaker coupled to a proximal end of an impedance tube. The propagated sound signal is measured within the tubular object via a pair of microphones coupled to the impedance tube. An elastic modulus of the tubular object is determined in response to the measurement of the propagated sound signal.
Claims19
An elastic modulus measuring system usable with a tubular object, the elastic modulus measuring system comprising:
- an impedance tube comprising:
- a tube body having a proximal end and a distal end;
- an adaptor comprising:
- a first coupling portion to couple to the distal end, and
- a second coupling portion to couple to a first end of the tubular object;
- and
- a processor communicatively coupled to a memory, the memory including computer readable instructions, which when executed by the processor perform operations to:
- propagate a sound signal within the tubular object via a speaker coupled to a proximal end of the impedance tube;
- measure the propagated sound signal within the tubular object via a pair of microphones coupled to the impedance tube;
- and
- determine an elastic modulus of the tubular object based on the measurement of the propagated sound signal.
An elastic modulus measuring system usable with a tubular object, the elastic modulus measuring system comprising:
- an impedance tube comprising:
- a tube body having a proximal end and a distal end,
- a speaker coupled to the proximal end, and
- a pair of microphones coupled to the tube body;
- a data acquisition device coupled to the pair of microphones to synchronize measurement of a signal generated by the speaker;
- an adaptor comprising:
- a first coupling portion to couple to the distal end, and
- a second coupling portion to couple to a first end of the tubular object;
- and
- a processor communicatively coupled to a memory, the memory including computer readable instructions, which when executed by the processor perform operations to:
- propagate a sound signal within the tubular object via the speaker coupled to the proximal end of the impedance tube;
- measure the propagated sound signal within the tubular object via the pair of microphones coupled to the tube body;
- and
- determine an elastic modulus of the tubular object based on the measurement of the propagated sound signal.
A method of measuring elastic modulus usable with a tubular object, the method comprising:
- propagating a sound signal within the tubular object via a speaker coupled to a proximal end of an impedance tube;
- measuring the propagated sound signal within the tubular object via a pair of microphones coupled to the impedance tube;
- and
- determining an elastic modulus of the tubular object in response to the measurement of the propagated sound signal.
Dependencies are inferred from the claim text.