CN105187194A - Memristor-based Chen hyperchaotic system self-adaptive synchronization method and circuit - Google Patents
Memristor-based Chen hyperchaotic system self-adaptive synchronization method and circuit Download PDFInfo
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Abstract
The invention relates to a chaotic system synchronization method and a circuit, and particularly relates to a memristor-based Chen hyperchaotic system self-adaptive synchronization method and a circuit. As a physical element which is newly discovered in a Hewlett-Packard laboratory in 2008, a Memristor can replace a Chua diode in a Chua circuit to form a chaotic system, and can be used as an element to be added into a three-dimensional chaotic system, such as a Lorenz system, a Chen system and a Lorenz system to form a hyperchaotic system. At present, the fact that the memristor is used as an element to form a chaotic or hyperchaotic method and circuit is proposed, but the fact that the memristor is used as an element to form a hyperchaotic system synchronization method is not proposed. For shortcomings in the prior art, according to the invention, the memristor is used to propose a Chen hyperchaotic system, and the self-adaptive synchronization method of the chaotic system is proposed on the basis.
Description
Technical field
The present invention relates to a Synchronization of Chaotic Systems and circuit, particularly a kind of adaptive synchronicity method of the Chen hyperchaotic system based on memristor and circuit.
Background technology
Memristor was as the newfound physical component in HP Lab in 2008, the Cai Shi diode in cai's circuit can be replaced to form chaos system, also three-dimensional chaotic system can be increased to as Lorenz system as element, in Chen system and Lu system, form hyperchaotic system, at present, memristor as element formed chaos or hyperchaos Method and circuits oneself be suggested, but the synchronous method utilizing memristor to form hyperchaotic system as an element does not still propose, this is the deficiencies in the prior art parts, the present invention utilizes memristor to propose a kind of Chen hyperchaotic system, and propose the adaptive synchronicity method of this chaos system on this basis.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of adaptive synchronicity method and circuit of the Chen hyperchaotic system based on memristor, and the present invention adopts following technological means to realize goal of the invention:
1., based on an adaptive synchronicity method for the Chen hyperchaotic system of memristor, it is characterized in that, comprise the following steps:
(1) three-dimensional Chen chaos system i is:
In formula, x, y, z are state variable;
(2) the memristor model that the present invention adopts is ii:
Wherein
represent that magnetic control recalls resistance,
represent magnetic flux, m, n be greater than zero parameter;
(3) obtaining iii to the memristor differentiate of ii is:
represent and recall and lead, m, n be greater than zero parameter;
(4) using memristor model iii as unidimensional system variable, be added on first equation of three-dimensional Chen chaos system i, obtain a kind of Chen hyperchaotic system iv with memristor:
In formula, x, y, z, u are state variable, parameter value a=35, b=3, c=28, k=1, m=8, n=0.006;
(5) with described in iv based on the Chen hyperchaotic system of memristor for drive system v:
X in formula
1, y
1, z
1, u
1for state variable, parameter value a=35, b=3, c=28, k=1, m=8, n=0.006;
(6) with described in iv based on the Chen hyperchaotic system of memristor for responding system vi:
X in formula
2, y
2, z
2, u
2for state variable, v
1, v
2, v
3, v
4for controller, parameter value a=35, b=3, c=28, k=1, m=8, n=0.006;
(7) error system e is defined
1=(y
2-y
1), e
2=(z
2-z
1), when controller get be worth as follows time, drive chaos system v and response chaos system vi to realize synchronous;
By the Chaotic Synchronous circuit driving chaos system v and response chaos system vi to form be:
2. the adaptive synchronicity circuit based on the Chen hyperchaotic system of memristor, it is characterized in that: the adaptive synchronicity of a kind of Chen hyperchaotic system based on memristor of described circuit is made up of drive system and responding system, drive system comprises Chen system I circuit and memristor I circuit, responding system comprises controller 1 circuit, controller electricity 2 tunnels, Chen system II circuit and memristor II circuit, and driving system circuit drives responding system circuit by signal;
Chen system I circuit is by integrated operational amplifier (LF347N) and resistance, the three anti-phase adders in tunnel that electric capacity is formed, inverting integrator and inverter and multiplier composition, the anti-phase anti-phase output of the adder input termination first via of the first via and the homophase on the second tunnel export, the anti-phase adder input on the second tunnel connects the reversed-phase output of the first via, connect the reversed-phase output on the second tunnel, the input of multiplier (A2) connects the anti-phase output of the first via and the homophase output on the 3rd tunnel respectively, the input of the anti-phase adder in output termination second tunnel of multiplier (A2), the anti-phase input on the 3rd tunnel connects the in-phase output end on the 3rd tunnel, the input of multiplier (A3) connects the in-phase input end of the first via and the inverting input on the second tunnel respectively, the anti-phase adder input on output termination the 3rd tunnel of multiplier (A3),
Memristor I circuit is made up of integrated operational amplifier (LF353N) and 2 multipliers (AD633JN), integrated operational amplifier (LF353N) and resistance, electric capacity form inverting integrator, second road homophase of input termination Chen system I circuit exports, and output connects the input of the anti-phase adder of the first via of Chen system I circuit by 2 multipliers;
Chen system II circuit is by integrated operational amplifier (LF347N) and resistance, the three anti-phase adders in tunnel that electric capacity is formed, inverting integrator and inverter and multiplier composition, the anti-phase anti-phase output of the adder input termination first via of the first via and the homophase on the second tunnel export, the anti-phase adder input on the second tunnel connects the reversed-phase output of the first via, connect the reversed-phase output on the second tunnel, the input of multiplier (A4) connects the anti-phase output of the first via and the homophase output on the 3rd tunnel respectively, the input of the anti-phase adder in output termination second tunnel of multiplier (A4), the anti-phase input on the 3rd tunnel connects the in-phase output end on the 3rd tunnel, the input of multiplier (A5) connects the in-phase input end of the first via and the inverting input on the second tunnel respectively, the anti-phase adder input on output termination the 3rd tunnel of multiplier (A5),
Memristor II circuit is made up of integrated operational amplifier (LF353N) and 2 multipliers (AD633JN), integrated operational amplifier (LF353N) and resistance, electric capacity form inverting integrator, the first via homophase of input termination Chen system II circuit exports, and output connects the input of the anti-phase adder of the first via of Chen system II circuit by 2 multipliers;
Controller 1 circuit is made up of anti-phase adder, multiplier, inverter and inverting integrator, anti-phase adder input connects the in-phase output end of the Chen system I circuit first via and the reversed-phase output on Chen system II circuit second tunnel, and multiplier (A9) exports the anti-phase adder input connecing the Chen system II circuit first via;
Controller 2 circuit is made up of anti-phase adder, multiplier, inverter and inverting integrator, anti-phase adder input connects the in-phase output end on Chen system I circuit the 3rd tunnel and the reversed-phase output on Chen system II circuit the 3rd tunnel, and multiplier (A10) exports the anti-phase adder input connecing Chen system II circuit the 3rd tunnel.
Beneficial effect: the present invention is on the basis of three-dimensional chaotic system, and the present invention utilizes memristor to propose a kind of Chen hyperchaotic system, and proposes the adaptive synchronicity method of this chaos system on this basis.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram of the preferred embodiment of the present invention.
Fig. 2 is Chen system I circuit diagram in the present invention.
Fig. 3 is the circuit diagram of memristor I in the present invention.
Fig. 4 is Chen system II circuit diagram in the present invention.
Fig. 5 is the circuit diagram of memristor II in the present invention.
Fig. 6 is the circuit diagram of middle controller 1 of the present invention.
Fig. 7 is the circuit diagram of middle controller 2 of the present invention.
Fig. 8 is the synchronous circuit design sketch of x1 and x2 in the present invention.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, the present invention is further described in detail, see Fig. 1-Fig. 8
1. based on an adaptive synchronicity method for the Chen hyperchaotic system of memristor, it is characterized in that, comprise the following steps: (1) three-dimensional Chen chaos system i is:
In formula, x, y, z are state variable;
(2) the memristor model that the present invention adopts is ii:
Wherein
represent that magnetic control recalls resistance,
represent magnetic flux, m, n be greater than zero parameter;
(3) obtaining iii to the memristor differentiate of ii is:
represent and recall and lead, m, n be greater than zero parameter;
(4) using memristor model iii as unidimensional system variable, be added on first equation of three-dimensional Chen chaos system i, obtain a kind of Chen hyperchaotic system iv with memristor:
In formula, x, y, z, u are state variable, parameter value a=35, b=3, c=28, k=1, m=8, n=0.006;
(5) with described in iv based on the Chen hyperchaotic system of memristor for drive system v:
X in formula
1, y
1, z
1, u
1for state variable, parameter value a=35, b=3, c=28, k=1, m=8, n=0.006;
(6) with described in iv based on the Chen hyperchaotic system of memristor for responding system vi:
X in formula
2, y
2, z
2, u
2for state variable, v
1, v
2, v
3, v
4for controller, parameter value a=35, b=3, c=28, k=1, m=8, n=0.006;
(7) error system e is defined
1=(y
2-y
1), e
2=(z
2-z
1), when controller get be worth as follows time, drive chaos system v and response chaos system vi to realize synchronous;
By the Chaotic Synchronous circuit driving chaos system v and response chaos system vi to form be:
2. the adaptive synchronicity circuit based on the Chen hyperchaotic system of memristor, it is characterized in that: the adaptive synchronicity of a kind of Chen hyperchaotic system based on memristor of described circuit is made up of drive system and responding system, drive system comprises Chen system I circuit and memristor I circuit, responding system comprises controller 1 circuit, controller electricity 2 tunnels, Chen system II circuit and memristor II circuit, and driving system circuit drives responding system circuit by signal;
Chen system I circuit is by integrated operational amplifier (LF347N) and resistance, the three anti-phase adders in tunnel that electric capacity is formed, inverting integrator and inverter and multiplier composition, the anti-phase anti-phase output of the adder input termination first via of the first via and the homophase on the second tunnel export, the anti-phase adder input on the second tunnel connects the reversed-phase output of the first via, connect the reversed-phase output on the second tunnel, the input of multiplier (A2) connects the anti-phase output of the first via and the homophase output on the 3rd tunnel respectively, the input of the anti-phase adder in output termination second tunnel of multiplier (A2), the anti-phase input on the 3rd tunnel connects the in-phase output end on the 3rd tunnel, the input of multiplier (A3) connects the in-phase input end of the first via and the inverting input on the second tunnel respectively, the anti-phase adder input on output termination the 3rd tunnel of multiplier (A3),
Memristor I circuit is made up of integrated operational amplifier (LF353N) and 2 multipliers (AD633JN), integrated operational amplifier (LF353N) and resistance, electric capacity form inverting integrator, second road homophase of input termination Chen system I circuit exports, and output connects the input of the anti-phase adder of the first via of Chen system I circuit by 2 multipliers;
Chen system II circuit is by integrated operational amplifier (LF347N) and resistance, the three anti-phase adders in tunnel that electric capacity is formed, inverting integrator and inverter and multiplier composition, the anti-phase anti-phase output of the adder input termination first via of the first via and the homophase on the second tunnel export, the anti-phase adder input on the second tunnel connects the reversed-phase output of the first via, connect the reversed-phase output on the second tunnel, the input of multiplier (A4) connects the anti-phase output of the first via and the homophase output on the 3rd tunnel respectively, the input of the anti-phase adder in output termination second tunnel of multiplier (A4), the anti-phase input on the 3rd tunnel connects the in-phase output end on the 3rd tunnel, the input of multiplier (A5) connects the in-phase input end of the first via and the inverting input on the second tunnel respectively, the anti-phase adder input on output termination the 3rd tunnel of multiplier (A5),
Memristor II circuit is made up of integrated operational amplifier (LF353N) and 2 multipliers (AD633JN), integrated operational amplifier (LF353N) and resistance, electric capacity form inverting integrator, the first via homophase of input termination Chen system II circuit exports, and output connects the input of the anti-phase adder of the first via of Chen system II circuit by 2 multipliers;
Controller 1 circuit is made up of anti-phase adder, multiplier, inverter and inverting integrator, anti-phase adder input connects the in-phase output end of the Chen system I circuit first via and the reversed-phase output on Chen system II circuit second tunnel, and multiplier (A9) exports the anti-phase adder input connecing the Chen system II circuit first via;
Controller 2 circuit is made up of anti-phase adder, multiplier, inverter and inverting integrator, anti-phase adder input connects the in-phase output end on Chen system I circuit the 3rd tunnel and the reversed-phase output on Chen system II circuit the 3rd tunnel, and multiplier (A10) exports the anti-phase adder input connecing Chen system II circuit the 3rd tunnel.
Certainly, above-mentioned explanation is not to the restriction of invention, and the present invention is also not limited only to above-mentioned citing, and the change that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also belong to protection scope of the present invention.
Claims (2)
1., based on an adaptive synchronicity method for the Chen hyperchaotic system of memristor, it is characterized in that, comprise the following steps:
(1) three-dimensional Chen chaos system i is:
In formula, x, y, z are state variable;
(2) the memristor model that the present invention adopts is ii:
Wherein
represent that magnetic control recalls resistance,
represent magnetic flux, m, n be greater than zero parameter;
(3) obtaining iii to the memristor differentiate of ii is:
represent and recall and lead, m, n be greater than zero parameter;
(4) using memristor model iii as unidimensional system variable, be added on first equation of three-dimensional Chen chaos system i, obtain a kind of Chen hyperchaotic system iv with memristor:
In formula, x, y, z, u are state variable, parameter value a=35, b=3, c=28, k=1, m=8, n=0.006;
(5) with described in iv based on the Chen hyperchaotic system of memristor for drive system v:
X in formula
1, y
1, z
1, u
1for state variable, parameter value a=35, b=3, c=28, k=1, m=8, n=0.006;
(6) with described in iv based on the Chen hyperchaotic system of memristor for responding system vi:
X in formula
2, y
2, z
2, u
2for state variable, v
1, v
2, v
3, v
4for controller, parameter value a=35, b=3, c=28, k=1, m=8, n=0.006;
(7) error system e is defined
1=(y
2-y
1), e
2=(z
2-z
1), when controller get be worth as follows time, drive chaos system v and response chaos system vi to realize synchronous;
By the Chaotic Synchronous circuit driving chaos system v and response chaos system vi to form be:
2. the adaptive synchronicity circuit based on the Chen hyperchaotic system of memristor, it is characterized in that: the adaptive synchronicity of a kind of Chen hyperchaotic system based on memristor of described circuit is made up of drive system and responding system, drive system comprises Chen system I circuit and memristor I circuit, responding system comprises controller 1 circuit, controller electricity 2 tunnels, Chen system II circuit and memristor II circuit, and driving system circuit drives responding system circuit by signal;
Chen system I circuit is by integrated operational amplifier (LF347N) and resistance, the three anti-phase adders in tunnel that electric capacity is formed, inverting integrator and inverter and multiplier composition, the anti-phase anti-phase output of the adder input termination first via of the first via and the homophase on the second tunnel export, the anti-phase adder input on the second tunnel connects the reversed-phase output of the first via, connect the reversed-phase output on the second tunnel, the input of multiplier (A2) connects the anti-phase output of the first via and the homophase output on the 3rd tunnel respectively, the input of the anti-phase adder in output termination second tunnel of multiplier (A2), the anti-phase input on the 3rd tunnel connects the in-phase output end on the 3rd tunnel, the input of multiplier (A3) connects the in-phase input end of the first via and the inverting input on the second tunnel respectively, the anti-phase adder input on output termination the 3rd tunnel of multiplier (A3),
Memristor I circuit is made up of integrated operational amplifier (LF353N) and 2 multipliers (AD633JN), integrated operational amplifier (LF353N) and resistance, electric capacity form inverting integrator, second road homophase of input termination Chen system I circuit exports, and output connects the input of the anti-phase adder of the first via of Chen system I circuit by 2 multipliers;
Chen system II circuit is by integrated operational amplifier (LF347N) and resistance, the three anti-phase adders in tunnel that electric capacity is formed, inverting integrator and inverter and multiplier composition, the anti-phase anti-phase output of the adder input termination first via of the first via and the homophase on the second tunnel export, the anti-phase adder input on the second tunnel connects the reversed-phase output of the first via, connect the reversed-phase output on the second tunnel, the input of multiplier (A4) connects the anti-phase output of the first via and the homophase output on the 3rd tunnel respectively, the input of the anti-phase adder in output termination second tunnel of multiplier (A4), the anti-phase input on the 3rd tunnel connects the in-phase output end on the 3rd tunnel, the input of multiplier (A5) connects the in-phase input end of the first via and the inverting input on the second tunnel respectively, the anti-phase adder input on output termination the 3rd tunnel of multiplier (A5),
Memristor II circuit is made up of integrated operational amplifier (LF353N) and 2 multipliers (AD633JN), integrated operational amplifier (LF353N) and resistance, electric capacity form inverting integrator, the first via homophase of input termination Chen system II circuit exports, and output connects the input of the anti-phase adder of the first via of Chen system II circuit by 2 multipliers;
Controller 1 circuit is made up of anti-phase adder, multiplier, inverter and inverting integrator, anti-phase adder input connects the in-phase output end of the Chen system I circuit first via and the reversed-phase output on Chen system II circuit second tunnel, and multiplier (A9) exports the anti-phase adder input connecing the Chen system II circuit first via;
Controller 2 circuit is made up of anti-phase adder, multiplier, inverter and inverting integrator, anti-phase adder input connects the in-phase output end on Chen system I circuit the 3rd tunnel and the reversed-phase output on Chen system II circuit the 3rd tunnel, and multiplier (A10) exports the anti-phase adder input connecing Chen system II circuit the 3rd tunnel.
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Cited By (1)
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CN108964871A (en) * | 2018-07-06 | 2018-12-07 | 烟台大学 | A kind of triple channel safe communication method based on double Chen's chaotic systems and terminal sliding mode |
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CN103236919A (en) * | 2013-03-29 | 2013-08-07 | 王少夫 | Method for realizing chaotic system adaptive synchronization based on coupling functions |
CN103501224A (en) * | 2013-09-23 | 2014-01-08 | 长春理工大学 | Asymmetric image encryption and decryption method based on quantum cell neural network system |
CN104468079A (en) * | 2014-12-03 | 2015-03-25 | 胡春华 | Construction method and circuit of classic Chen type hyperchaotic system based on memristor |
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2015
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Application publication date: 20151223 |