CN107582082A - Chaotic Detecting Method for urodynamic analysis instrument multi-cavity pressure measurement - Google Patents
Chaotic Detecting Method for urodynamic analysis instrument multi-cavity pressure measurement Download PDFInfo
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- CN107582082A CN107582082A CN201710826490.4A CN201710826490A CN107582082A CN 107582082 A CN107582082 A CN 107582082A CN 201710826490 A CN201710826490 A CN 201710826490A CN 107582082 A CN107582082 A CN 107582082A
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Abstract
The invention discloses a kind of Chaotic Detecting Method for urodynamic analysis instrument multi-cavity pressure measurement, including：Pressure signal is converted into ultra-weak electronic signal, the ultra-weak electronic signal is set as measured signal；The measured signal is added in each chaotic oscillator, to obtain the phase path of each chaotic oscillator；Determine the amplitude and frequency values of measured signal；Data sampling and processing is realized by the ultra-weak electronic signal is amplified.The present invention provides objective criterion for computer, allow computer can be with the phase rail motion state of automatization judgement chaotic oscillator, pass through the analysis to chaotic oscillator array, the measurement of faint periodic signal can be carried out, automation can be realized relative to eye recognition, detection speed is accelerated relative to troublesome calculation；By building the chaotic oscillator array of digitized forms, the processing of data is facilitated.So as to improve accuracy rate and efficiency of the urodynamic analysis instrument to data sampling and processing.
Description
Technical field
It is specifically, more particularly to a kind of to be used for urodynamic analysis instrument multi-cavity the present invention relates to urine power technology field
The Chaotic Detecting Method of pressure measurement.
Background technology
Urodynamic analysis instrument utilizes principle of hydrodynamics, bladder pressure, abdominal pressure, the urethra pressure that will be tested, by conduit
Each pressure sensor is transferred to, pressure signal is converted into ultra-weak electronic signal and amplified realizes data sampling and processing.
In chaos detection system, when the structural parameters of system are stable, small first value changes will cause its motion
The change of state, by detecting the greatest differences between movement locus, the slight change with regard to that can detect initial value, this is that chaos is surveyed
The general principle of amount.Chaos system has the sensitiveness to structural parameters, when the structural parameters of system change, system
Output state can also be changed therewith, therefore chaos system can be considered as to an amplifier with unlimited multiple, so as to
Form high-precision motor speed measurement system.In addition chaotic oscillator also has certain immunity to noise, and noise can only office
Change to portion the phase path of chaos system, it is difficult to cause the nonequilibrium phase transition of system.Once and contain and inside in measured signal
The signal of drive signal same frequency value, even if amplitude very little, chaotic oscillator is also resulted in the rapid transition of periodic state.Chaos is examined
These advantages of examining system can solve the problems, such as that various small-signals are difficult to measurement well.
The content of the invention
In order to solve problem of the prior art, it is used for urodynamic analysis instrument multi-cavity the embodiments of the invention provide one kind and surveys
The Chaotic Detecting Method of pressure.The technical scheme is as follows：
On the one hand, there is provided a kind of Chaotic Detecting Method for urodynamic analysis instrument multi-cavity pressure measurement, including：
Multi-cavity pressure measurement is carried out by urodynamic analysis instrument, tested bladder pressure, abdominal pressure, urethra pressure pass by conduit
Each pressure sensor is handed to, pressure signal is converted into ultra-weak electronic signal, the ultra-weak electronic signal is set as measured signal ε cos
(ωt)；
The measured signal ε cos (ω t) are added in each chaotic oscillator, to obtain the phase path of each chaotic oscillator,
By the phase path of each chaotic oscillator compared with attractor corresponding to the chaotic oscillator, to find out motion state to face
The chaotic oscillator of boundary's great scale period state；
Determine measured signal ε cos (ω t) amplitude and frequency values：The amplitude and frequency of the measured signal ε cos (ω t)
Value is identical for the amplitude and frequency values of the chaotic oscillator of critical great scale period state with the motion state respectively；
Data sampling and processing is realized by the ultra-weak electronic signal is amplified.
Alternatively, the urodynamic analysis instrument includes multi-cavity manometric module and pressure sensor；The multi-cavity pressure measurement mould
Block includes urethra pressure measure module, bladder pressure measure module, abdominal pressure and surveys backform block, for determining urethra pressure, bladder pressure and abdominal pressure；
By tested bladder pressure, abdominal pressure, urethra pressure, each pressure sensor is transferred to by conduit.
Alternatively, the chaotic oscillator array is specially：
According to Duffing equations
X "+kx '-α x3+ β x5=f (t)
A chaotic oscillator is built, wherein, k is damping ratio, and-α x3+ β x5 are nonlinear resilience item, and f (t) is cycle plan
Power item, the corresponding amplitude of the chaotic oscillator and a frequency values, multiple chaos are built by changing amplitude or/and frequency values
Oscillator, chaotic oscillator array is formed with this.
Alternatively, the chaotic oscillator array is specially：
The born of the same parents space of chaotic oscillator array is built, the method mapped by born of the same parents determines the attractor in the born of the same parents space, to obtain
Take attractor corresponding to each chaotic oscillator in chaotic oscillator array.
Alternatively, often the amplitude of row chaotic oscillator is identical in chaotic oscillator array, and the frequency values of each column chaotic oscillator are identical.
Alternatively, the born of the same parents space of the structure chaotic oscillator array, the method mapped by born of the same parents are determined in the born of the same parents space
Attractor, specifically included with obtaining the step of attractor corresponding to each chaotic oscillator in chaotic oscillator array：
Step 1, the state space for the chaotic oscillator array that needs are analyzed are separated into the born of the same parents space being made up of multiple born of the same parents；
Step 2, appoint the midpoint for taking a pending born of the same parents from the born of the same parents space, the midpoint is carried out to integrate in short-term so that should
Midpoint is mapped on the certain point in attractor, and the certain point in the attractor is labeled as the first point of mapping；
Step 3, choosing the mapping, just point is starting point, starts repeatedly point mapping, after each point mapping, at the beginning of recording the mapping
Born of the same parents corresponding to point where mapping point, have obtained born of the same parents' sequence of mapping, in born of the same parents space, have marked reflecting in born of the same parents' sequence of mapping
The born of the same parents just corresponding to point where these mapping points are penetrated, have then obtained sub- born of the same parents space corresponding to attractor where the mapping is just put；
Step 4, since the born of the same parents of a non-start to process, repeat step 22- steps 23, obtain the born of the same parents of the non-start to process
Corresponding attractor, and the born of the same parents of the non-start to process are the subset of the domain of attraction of its corresponding attractor；
Step 5, repeat step 4, until all born of the same parents are processed, to obtain all attractors and each attractor pair
The domain of attraction answered.
Alternatively, the phase path attractor corresponding with the chaotic oscillator by each chaotic oscillator is compared
Compared with being specially to find out chaotic oscillator of the motion state as critical great scale period state：If inhaled corresponding to a certain chaotic oscillator
Introduction is Global periodic attractor, and the phase path of the chaotic oscillator is located in the sub- born of the same parents space where the Global periodic attractor, then this is mixed
The motion state of ignorant oscillator is great scale period state, and is critical great scale period state.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
The present invention is computer by providing a kind of Chaotic Detecting Method for urodynamic analysis instrument multi-cavity pressure measurement
Objective criterion is provided, allows computer can be with the phase rail motion state of automatization judgement chaotic oscillator, by chaos
The analysis of layered transducer elements, you can the measurement of faint periodic signal is carried out, automation can be realized relative to eye recognition, relative to
Troublesome calculation accelerates detection speed；By building the chaotic oscillator array of digitized forms, the processing of data is facilitated.So as to
Improve accuracy rate and efficiency of the urodynamic analysis instrument to data sampling and processing.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of Chaotic Detecting Method flow for urodynamic analysis instrument multi-cavity pressure measurement of the embodiment of the present invention
Figure.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
The invention provides a kind of urodynamic analysis instrument, referring to Fig. 1, including：
S100：Multi-cavity pressure measurement is carried out by urodynamic analysis instrument, bladder pressure, abdominal pressure, the urethra pressure that will be tested, by leading
Pipe is transferred to each pressure sensor, pressure signal is converted into ultra-weak electronic signal, the ultra-weak electronic signal is set as measured signal ε
cos(ωt)；
S200：The measured signal ε cos (ω t) are added in each chaotic oscillator, to obtain the phase of each chaotic oscillator
Track, by the phase path of each chaotic oscillator compared with attractor corresponding to the chaotic oscillator, to find out motion shape
State is the chaotic oscillator of critical great scale period state；
S300：Determine measured signal ε cos (ω t) amplitude and frequency values：The amplitude of the measured signal ε cos (ω t)
It is identical for the amplitude and frequency values of the chaotic oscillator of critical great scale period state with the motion state respectively with frequency values；
S400：Data sampling and processing is realized by the ultra-weak electronic signal is amplified.
Alternatively, the urodynamic analysis instrument includes multi-cavity manometric module and pressure sensor；The multi-cavity pressure measurement mould
Block includes urethra pressure measure module, bladder pressure measure module, abdominal pressure and surveys backform block, for determining urethra pressure, bladder pressure and abdominal pressure；
By tested bladder pressure, abdominal pressure, urethra pressure, each pressure sensor is transferred to by conduit.
Specifically, urodynamics (Urodynamics) is according to fluid mechanics principle, using electrophysiological method and sensing
Device technology, to study storage urine and the physiology course of urination and its a science of dysfunction.Urodynamic analysis instrument utilizes stream
Body dynamics principle, after conduit is transferred to each pressure business sensor, pressure sensor will for tested bladder pressure, abdominal pressure, urethra pressure
Pressure signal is converted to ultra-weak electronic signal and amplified passage amplifies, then after analog-digital converter (A/D) is converted into data signal
Data sampling and processing, display and printing are carried out to measured signal by computer.
Alternatively, the chaotic oscillator array is specially：
According to Duffing equations
X "+kx '-α x3+ β x5=f (t)
A chaotic oscillator is built, wherein, k is damping ratio, and-α x3+ β x5 are nonlinear resilience item, and f (t) is cycle plan
Power item, the corresponding amplitude of the chaotic oscillator and a frequency values, multiple chaos are built by changing amplitude or/and frequency values
Oscillator, chaotic oscillator array is formed with this.
Alternatively, the chaotic oscillator array is specially：
The born of the same parents space of chaotic oscillator array is built, the method mapped by born of the same parents determines the attractor in the born of the same parents space, to obtain
Take attractor corresponding to each chaotic oscillator in chaotic oscillator array.
Alternatively, often the amplitude of row chaotic oscillator is identical in chaotic oscillator array, and the frequency values of each column chaotic oscillator are identical.
Alternatively, the born of the same parents space of the structure chaotic oscillator array, the method mapped by born of the same parents are determined in the born of the same parents space
Attractor, specifically included with obtaining the step of attractor corresponding to each chaotic oscillator in chaotic oscillator array：
Step 1, the state space for the chaotic oscillator array that needs are analyzed are separated into the born of the same parents space being made up of multiple born of the same parents；
Step 2, appoint the midpoint for taking a pending born of the same parents from the born of the same parents space, the midpoint is carried out to integrate in short-term so that should
Midpoint is mapped on the certain point in attractor, and the certain point in the attractor is labeled as the first point of mapping；
Step 3, choosing the mapping, just point is starting point, starts repeatedly point mapping, after each point mapping, at the beginning of recording the mapping
Born of the same parents corresponding to point where mapping point, have obtained born of the same parents' sequence of mapping, in born of the same parents space, have marked reflecting in born of the same parents' sequence of mapping
The born of the same parents just corresponding to point where these mapping points are penetrated, have then obtained sub- born of the same parents space corresponding to attractor where the mapping is just put；
Step 4, since the born of the same parents of a non-start to process, repeat step 22- steps 23, obtain the born of the same parents of the non-start to process
Corresponding attractor, and the born of the same parents of the non-start to process are the subset of the domain of attraction of its corresponding attractor；
Step 5, repeat step 4, until all born of the same parents are processed, to obtain all attractors and each attractor pair
The domain of attraction answered.
Alternatively, the phase path attractor corresponding with the chaotic oscillator by each chaotic oscillator is compared
Compared with being specially to find out chaotic oscillator of the motion state as critical great scale period state：If inhaled corresponding to a certain chaotic oscillator
Introduction is Global periodic attractor, and the phase path of the chaotic oscillator is located in the sub- born of the same parents space where the Global periodic attractor, then this is mixed
The motion state of ignorant oscillator is great scale period state, and is critical great scale period state.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
The present invention is computer by providing a kind of Chaotic Detecting Method for urodynamic analysis instrument multi-cavity pressure measurement
Objective criterion is provided, allows computer can be with the phase rail motion state of automatization judgement chaotic oscillator, by chaos
The analysis of layered transducer elements, you can the measurement of faint periodic signal is carried out, automation can be realized relative to eye recognition, relative to
Troublesome calculation accelerates detection speed；By building the chaotic oscillator array of digitized forms, the processing of data is facilitated.So as to
Improve accuracy rate and efficiency of the urodynamic analysis instrument to data sampling and processing.
Device embodiment described above is only schematical, wherein the unit illustrated as separating component can
To be or may not be physically separate, it can be as the part that unit is shown or may not be physics list
Member, you can with positioned at a place, or can also be distributed on multiple NEs.It can be selected according to the actual needs
In some or all of module realize the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying creativeness
Work in the case of, you can to understand and implement.
Presently preferred embodiments of the present invention is these are only, is not intended to limit the invention, it is all in the spirit and principles in the present invention
Within, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (7)
- A kind of 1. Chaotic Detecting Method for urodynamic analysis instrument multi-cavity pressure measurement, it is characterised in thatMulti-cavity pressure measurement is carried out by urodynamic analysis instrument, tested bladder pressure, abdominal pressure, urethra pressure are transferred to by conduit Each pressure sensor, pressure signal is converted into ultra-weak electronic signal, the ultra-weak electronic signal is set as measured signal ε cos (ω t)；The measured signal ε cos (ω t) are added in each chaotic oscillator, to obtain the phase path of each chaotic oscillator, by institute The phase path of each chaotic oscillator is stated compared with attractor corresponding to the chaotic oscillator, to find out motion state to be critical big The chaotic oscillator of yardstick periodic state；Determine measured signal ε cos (ω t) amplitude and frequency values：The amplitude and frequency values of the measured signal ε cos (ω t) point It is not identical for the amplitude and frequency values of the chaotic oscillator of critical great scale period state with the motion state；Data sampling and processing is realized by the ultra-weak electronic signal is amplified.
- 2. the method as described in claim 1, it is characterised in that the urodynamic analysis instrument includes multi-cavity manometric module and pressure Force snesor；The multi-cavity manometric module includes urethra pressure measure module, bladder pressure measure module, abdominal pressure and surveys backform block, is used for Determine urethra pressure, bladder pressure and abdominal pressure；By tested bladder pressure, abdominal pressure, urethra pressure, each pressure sensing is transferred to by conduit Device.
- 3. method as claimed in claim 2, it is characterised in that the chaotic oscillator array is specially：According to Duffing equationsX "+kx '-α x3+ β x5=f (t)A chaotic oscillator is built, wherein, k is damping ratio, and-α x3+ β x5 are nonlinear resilience item, and f (t) is cycle driving force , the corresponding amplitude of the chaotic oscillator and a frequency values, build multiple chaos by changing amplitude or/and frequency values and shake Son, chaotic oscillator array is formed with this.
- 4. method as claimed in claim 3, it is characterised in that the chaotic oscillator array is specially：The born of the same parents space of chaotic oscillator array is built, the method mapped by born of the same parents determines the attractor in the born of the same parents space, mixed to obtain Attractor corresponding to each chaotic oscillator in ignorant layered transducer elements.
- 5. method as claimed in claim 4, it is characterised in that often the amplitude of row chaotic oscillator is identical in chaotic oscillator array, The frequency values of each column chaotic oscillator are identical.
- 6. method as claimed in claim 5, it is characterised in that the born of the same parents space of the structure chaotic oscillator array, reflected by born of the same parents The method penetrated determines the attractor in the born of the same parents space, to obtain attractor corresponding to each chaotic oscillator in chaotic oscillator array The step of specifically include：Step 1, the state space for the chaotic oscillator array that needs are analyzed are separated into the born of the same parents space being made up of multiple born of the same parents；Step 2, appoint the midpoint for taking a pending born of the same parents from the born of the same parents space, the midpoint is carried out to integrate so that the midpoint in short-term It is mapped on the certain point in attractor, the certain point in the attractor is labeled as the first point of mapping；It is starting point to be put at the beginning of step 3, the selection mapping, starts multiple put and maps, and after point maps every time, records point pair at the beginning of the mapping Born of the same parents where the mapping point answered, born of the same parents' sequence of mapping is obtained, in born of the same parents space, at the beginning of marking the mapping in born of the same parents' sequence of mapping Born of the same parents corresponding to point where these mapping points, sub- born of the same parents space corresponding to attractor where the mapping is just put then is obtained；Step 4, since the born of the same parents of a non-start to process, repeat step 2- steps 3, obtain corresponding to the born of the same parents of the non-start to process Attractor, and the born of the same parents of the non-start to process are the subset of the domain of attraction of its corresponding attractor；Step 5, repeat step 4, until all born of the same parents are processed, to obtain corresponding to all attractors and each attractor Domain of attraction.
- 7. method as claimed in claim 6, it is characterised in that the phase path and the chaos by each chaotic oscillator Attractor is compared corresponding to oscillator, is specially to find out chaotic oscillator of the motion state as critical great scale period state： If attractor corresponding to a certain chaotic oscillator is Global periodic attractor, and the phase path of the chaotic oscillator is located at the Global periodic attractor institute Sub- born of the same parents space in, then the motion state of the chaotic oscillator is great scale period state, and is critical great scale period shape State.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008130467A1 (en) * | 2007-04-17 | 2008-10-30 | Boston Scientific Scimed, Inc. | Ambulatory urodynamics |
| CN103393430A (en) * | 2013-08-08 | 2013-11-20 | 上海赛琅医药科技有限公司 | Urodynamic analyzer |
| CN104034362A (en) * | 2014-05-20 | 2014-09-10 | 广州大学 | Cell mapping-based chaotic detection criterion method |
| CN204468104U (en) * | 2015-03-12 | 2015-07-15 | 张忠国 | Urine power detecting device |
-
2017
- 2017-09-14 CN CN201710826490.4A patent/CN107582082A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008130467A1 (en) * | 2007-04-17 | 2008-10-30 | Boston Scientific Scimed, Inc. | Ambulatory urodynamics |
| CN103393430A (en) * | 2013-08-08 | 2013-11-20 | 上海赛琅医药科技有限公司 | Urodynamic analyzer |
| CN104034362A (en) * | 2014-05-20 | 2014-09-10 | 广州大学 | Cell mapping-based chaotic detection criterion method |
| CN204468104U (en) * | 2015-03-12 | 2015-07-15 | 张忠国 | Urine power detecting device |
Non-Patent Citations (1)
| Title |
|---|
| 郑蕙田: "《实用针灸泌尿学》", 31 October 2001, 上海科学技术文献出版社 * |
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