A pulse electromagnetic protection circuit imitating biological evolution

Abstract

A pulse electromagnetic protection circuit that simulates biological evolution is composed of an adder, an inverter, a signal node, a follower and other circuits, which constitute a signal node set with the amplification factor of the adder and the follower. The operation of the biological evolution circuit is that each signal node can survive only when the state is greater than 0, otherwise it will become extinct. The follower is composed of a resistor and an ideal operational amplifier, the inverting amplifier is composed of a resistor and an ideal operational amplifier, and the adder is composed of a resistor, an amplifier, and a diode. The function of the diode is to realize the positive state of the signal node to ensure the survival of the circuit. The benefits of this circuit are that (1) when there is strong environmental pulse electromagnetic field interference, the circuit can protect the circuit from electromagnetic interference and work normally; (2) the circuit is simple, convenient, inexpensive, adaptive, and easy to implement.

Description

Technical Field

[0001] The invention belongs to the technical field of electronic and electrical engineering, and relates to an anti-electromagnetic interference circuit, in particular to a biomimetic evolution circuit capable of resisting pulse electromagnetic environment. Background Art

[0002] In recent years, with the development of electrification and information technology, various electrical and electronic systems or equipment are increasingly used in the same space, for example, the electromagnetic interference of nanosecond knives in operating rooms to other medical instruments in the same room. Electronic and electrical systems or equipment are developing at an unprecedented speed towards high frequency, high speed, high precision, high reliability, high sensitivity, high density (miniaturization, large-scale integration), high power, small signal, complexity, etc., making electromagnetic compatibility issues more prominent, posing a huge challenge to the safety and effectiveness of communication equipment, computer systems, medical equipment, etc.

[0003] The purpose of electromagnetic protection is to take technical means to ensure the survival and operation of electronic and electrical systems or equipment in a predetermined electromagnetic environment. Electromagnetic protection and electromagnetic compatibility are an organic whole. Its core is to innovate and develop new technical means, and bionic technology is one of them. The current status of research on electromagnetic protection bionic technology is mainly as follows:

[0004] (1) It is a trend to establish a bionic theory of electromagnetic protection with redundancy, fault tolerance, self-adaptation, self-organization, self-replication and self-repair based on the dissipative structure of biological systems, and apply it to evolutionary digital circuit design.

[0005] (2) Degeneracy is a phenomenon in which elements of different structures within a neurobiological system have the same function or the ability to produce the same output. It has been proven that degeneracy is an important factor in the robustness and environmental adaptability of engineering systems. The reliability and adaptability of engineering systems can be designed based on degeneracy. Electronic circuits can use identical circuit backups to improve circuit reliability.

[0006] (3) Robustness refers to the ability of a system to resist perturbations of its internal parameters or external disturbances, which is common in biological systems. It has been proven that biological systems have a high resistance to electromagnetic disturbances, and they also have similar robustness in the network electromagnetic space (cyberspace), which can guide the design of evolutionary circuits.

[0007] (4) Neuroplasticity is a natural property of neurons that is susceptible to variation due to environmental factors when the structure, morphology and function of neurons have not yet reached a mature and stable level. Neural networks and electronic circuits have equivalent mappings, and neuronal circuits are designed.

[0008] Irreversible electroporation is a method of using high-voltage electric pulses to act on cell membranes, causing irreversible holes in the cell membranes and eventually cell apoptosis. This phenomenon can be used for tumor ablation, which is the theoretical basis of the "nanosecond knife" and has been applied clinically. However, the high-voltage electric pulses generated by the "nanosecond knife" cause electromagnetic interference to other medical instruments in the same operating room. The purpose of the present invention is to provide an electromagnetic protection circuit for other medical instruments that can resist pulse electromagnetic interference. Summary of the invention

[0009] A pulse electromagnetic protection circuit simulating biological evolution is composed of an adder 1, an inverter 1, a signal node 1, a follower 1, an adder 2, a signal node 2, a follower 2, an inverter 2, a signal node 3, an inverter 3, a signal node 4, an inverter 4, an adder 3, a signal node 5, an inverter 5, a signal node 6, and a follower 3. The input of the adder 1 is connected to the output of the inverter 1, the signal node 3, and the signal node 6, and the output is connected to the input of the inverter 3 and the inverter 4; the input of the inverter 1 is connected to the signal node 1, and the output is connected to the input of the adder 1; the input of the follower 1 is connected to the signal node 2, and the output is connected to the signal node 1 (3); the input of the adder 2 is connected to the signal node 1, the output of the inverter 2 and the inverter 3, and the output is connected to the input of the follower 1; the input of the follower 2 is connected to the signal node 1, and the output is connected to the signal node 3. The input of inverter 2 is connected to signal node 3, and the output is connected to the input of adder 2; the input of inverter 3 is connected to signal node 4, and the output is connected to the input of adder 2; the input of inverter 4 is connected to signal node 4, and the output is connected to the input of adder 3; the input of adder 3 is connected to signal node 3, inverter 4 and the output of inverter 5; the input of inverter 5 is connected to signal node 6, and the output is connected to the input of adder 3; the input of follower 3 is connected to signal node 1, and the output is connected to signal node 6.

[0010] A pulse electromagnetic protection circuit imitating biological evolution is characterized in that the follower is composed of a resistor R 21 , resistor R 22 , amplifier A, amplifier A is an ideal operational amplifier. The amplifier input signal s i is a signal node, so the output signal s of the follower j Potential V j With input signal s i Potential V i ,have:

[0011]

[0012] Where: Follower magnification By adjusting the resistor R 21 (21) Resistance R 22(22) Ratio R 22 / R 21 The magnification of follower 1, follower 2, and follower 3 are A 21 =1, A 13 =1.4, A 16 =1.

[0013] A pulse electromagnetic protection circuit imitating biological evolution is characterized in that the inverting amplifier is composed of a resistor R 31 , resistor R 32 , resistor R 33 , amplifier A, amplifier A is an ideal operational amplifier. The amplifier input signal s i is the signal node, so the output signal s of the inverting amplifier j Potential V j With input signal s i Potential V i ,have:

[0014]

[0015] Where: Inverting amplifier gain By adjusting the resistor R 31 (31) Resistance R 32 (32) Ratio R 32 / R 31 The amplification factor can be adjusted. Generally, A=-1. The amplification factors of inverter 1, inverter 2, inverter 3, inverter 4, and inverter 5 are all -1.

[0016] A pulse electromagnetic protection circuit imitating biological evolution is characterized in that the adder is composed of a resistor R 41 , resistor R 42 , resistor R 43 , resistor R 44 , resistor R 45 , amplifier A, diode D 41 Amplifier A is an ideal operational amplifier. The amplifier input signal s i is a signal node, so the output signal s of the adder j Potential V j With input signal s i Potential V i ,have:

[0017]

[0018] Where: Adder magnification A ij They are By adjusting the resistor R 41(41) Resistance R 42 (42) Resistance R 43 (43) Resistance R 44 (44) Ratio R 42 / R 41 , R 43 / R 41 , R 44 / R 41 The magnification of adder 1 (1), adder 2 (5), adder 3 (13), etc., their magnifications are A 12 =0.6, A 32 =0.5, A 42 =2.5, A 14 =1, A 34 =0.5, A 64 =2.5, A 35 =0.5, A 45 =3.0, A 65 =0.5.

[0019] Diode D 41 The negative pole is connected to the adder output, and the positive pole is grounded, so as to realize that the signal node state is positive.

[0020] The present invention is beneficial in that:

[0021] (1) When there is strong environmental pulse electromagnetic field interference, this circuit can protect the circuit from electromagnetic interference and work normally.

[0022] (2) The circuit is simple, convenient, cheap, adaptive and easy to implement. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural topology diagram of a biological evolution pulse electromagnetic protection circuit.

[0024] Figure 2 It is a circuit state diagram when the circuit is disturbed by a pulse electric field.

[0025] Figure 3 It is the first evolution of the circuit structure topology diagram.

[0026] Figure 4 It is the circuit structure topology diagram of the second evolution.

[0027] Figure 5 It is a follower circuit.

[0028] Figure 6 It is an inverter circuit.

[0029] Figure 7 It is an adder circuit. DETAILED DESCRIPTION

[0030] The present invention is described in detail below with reference to the accompanying drawings.

[0031] Embodiment 1:

[0032] See also Figure 1 A pulse electromagnetic protection circuit imitating biological evolution is composed of an adder 1 (1), an inverter 1 (2), a signal node 1 (3), a follower 1 (4), an adder 2 (5), a signal node 2 (6), a follower 2 (7), an inverter 2 (8), a signal node 3 (9), an inverter 3 (10), a signal node 4 (11), an inverter 4 (12), an adder 3 (13), a signal node 5 (14), an inverter 5 (15), a signal node 6 (16), a follower 3 (17), etc.

[0033] The input of adder 1 (1) is connected to the output of inverter 1 (2), signal node 3 (9), and signal node 6 (16), and the output is connected to the input of inverter 3 (10) and inverter 4 (12);

[0034] The input of inverter 1 (2) is connected to signal node 1 (3), and the output is connected to the input of adder 1 (1);

[0035] The input of follower 1 (4) is connected to signal node 2 (6), and the output is connected to signal node 1 (3);

[0036] The input of adder 2 (5) is connected to signal node 1 (3), inverter 2 (8) and the output of inverter 3 (10), and the output is connected to the input of follower 1 (4);

[0037] The input of follower 2 (7) is connected to signal node 1 (3), and the output is connected to signal node 3 (9);

[0038] The input of inverter 2 (8) is connected to signal node 3 (9), and the output is connected to the input of adder 2 (5);

[0039] The input of inverter 3 (10) is connected to signal node 4 (11), and the output is connected to the input of adder 2 (5);

[0040] The input of inverter 4 (12) is connected to signal node 4 (11), and the output is connected to the input of adder 3 (13);

[0041] The input of adder 3 (13) is connected to signal node 3 (9), inverter 4 (12) and the output of inverter 5 (15);

[0042] The input of inverter 5 (15) is connected to signal node 6 (16), and the output is connected to the input of adder 3 (13);

[0043] The input of follower 3 (17) is connected to signal node 1 (3), and the output is connected to signal node 6 (15).

[0044] The circuit consists of a collection of signal nodes with adder and follower amplifiers. The signal node represents the potential of the adder or follower output, called the state, and the amplifier represents the interaction between the signal nodes. The mutual influence of the i-th signal node (adder or follower input) on the j-th signal node (adder or follower output) is represented by the amplifier A. ij Each signal node has only one state (adder or follower input or output), represented by s j Indicates that it is amplified by the adder or follower in the circuit. ij is determined by the sum of:

[0045]

[0046] The operation of the biological evolution-like circuit requires that the state of each signal node must be greater than 0 to survive, otherwise it will become extinct.

[0047] For example, assume that signal node 6 (16) is the electrical pulse interference signal of the environment. When there is no such interference signal, its state is 0. The states of the various signal nodes are: signal node 1 (2) s1 is 0.5, signal node 2 (6) s2 is 0.5, signal node 3 (9) state s3 is 0.6, signal node 4 (11) state s4 is 0.2, signal node 5 (14) state s5 is 0.3, see Figure 1 , the whole circuit is in a stable state.

[0048] When there is an electrical pulse interference signal in the environment, the state s6 of the signal node 6 (16) is 0.2. Then, according to formula (1), the states of each signal node are recalculated: s1 is 0.5, s2 is 0.5, s3 is 0.6, s4 is -0.3, and s5 is 0.4. Figure 2 According to the operation rules of the biological evolution circuit, when s4 is negative, signal node 4 (11) is extinct, and other signal nodes survive. Figure 3 is the circuit topology structure of the first evolution. According to formula (1), the states of each signal node are recalculated for the second time: s1 is 0.5, s2 is 0.5, s3 is 0.6, and s5 is -0.5. Figure 3 According to the operation rules of the biological evolution circuit, when s5 is negative, signal node 5 (14) is extinct, and other signal nodes survive. Figure 4 This is the second evolution circuit topology. In this way, the state s6 of the signal node 6 (16) represented by the electrical pulse interference signal is isolated in the circuit, and the remaining signal nodes in the circuit are kept alive, thus maintaining the stability of the circuit.

[0049] Embodiment 2:

[0050] (1) Follower: See Figure 5 , the follower consists of a resistor R 21 (21) Resistance R 22 (22) and amplifier A (23). Amplifier A (23) is an ideal operational amplifier, that is, the potentials of the amplifier input positive terminal (+) and the negative terminal (-) are equal and the input impedance is infinite. The amplifier input signal s i and Figure 1 The signal nodes of the amplifier in the circuit shown are the same, so the output signal s of the follower j Potential V j With input signal s i Potential V i ,have:

[0051]

[0052] Where: Follower magnification By adjusting the resistor R 21 (21) Resistance R 22 (22) Ratio R 22 / R 21 to adjust the magnification.

[0053] exist Figure 1 In the biological evolution pulse electromagnetic protection circuit, the followers include follower 1 (4), follower 2 (7), and follower 3 (16), and their magnifications are A 21 =1, A 13 =1.4, A 16 =1.

[0054] Embodiment 3:

[0055] (2) Inverting amplifier: see Figure 6 , the inverting amplifier consists of resistor R 31 (31) Resistance R 32 (32) Resistance R 33 (33) and amplifier A (34), where amplifier A (34) is an ideal operational amplifier. The amplifier input signal s i and Figure 1 The signal nodes of the amplifiers in the circuit shown are the same. Thus, the output signal s of the inverting amplifier j Potential V j With input signal s i Potential V i ,have:

[0056]

[0057] Where: Inverting amplifier gain By adjusting the resistor R 31 (31) Resistance R 32 (32) Ratio R 32 / R 31 The magnification can be adjusted. Generally, A = -1.

[0058] exist Figure 1 In the biomimetic evolution pulse electromagnetic protection circuit, the inverting amplifiers include inverter 1 (2), inverter 2 (8), inverter 3 (10), inverter 4 (12), inverter 5 (15), etc., and their amplification factors are all -1.

[0059] Embodiment 4:

[0060] (3) Adder: see Figure 7 , the adder consists of resistor R 41 (41) Resistance R 42 (42) Resistance R 43 (43) Resistance R 44 (44) Resistance R 45 (45), amplifier A (46), diode D 41 (47), amplifier A (46) is an ideal operational amplifier. The amplifier input signal s i and Figure 1 The signal nodes of the amplifiers in the circuit shown are the same, so the output signal of the adder is s j Potential V j With input signal s i Potential V i ,have:

[0061]

[0062] Where: Adder magnification A ij They are By adjusting the resistor R 41 (41) Resistance R 42 (42) Resistance R 43 (43) Resistance R 44 (44) Ratio R 42 / R 41 , R 43 / R 41 , R 44 / R 41 to adjust the magnification.

[0063] exist Figure 1In the biological evolution pulse electromagnetic protection circuit, the adders include adder 1 (1), adder 2 (5), adder 3 (13), etc., and their magnifications are A 12 =0.6, A 32 =0.5, A 42 =2.5, A 14 =1, A 34 =0.5, A 64 =2.5, A 35 =0.5, A 45 =3.0, A 65 =0.5.

[0064] Diode D 41 The negative pole of (47) is connected to the adder output, and the positive pole is grounded, which is used to realize the signal node state is positive to ensure the circuit survival. j Potential V j is positive, diode D 41 (47) The negative electrode potential is higher than the positive electrode potential, which is in the cut-off state. In this way, the adder output remains unchanged, ensuring that the potential V j The node state. When the amplifier output state s j Potential V j is negative, diode D 41 (47) The negative electrode potential is lower than the positive electrode potential, which is in the on state. In this way, the adder output potential is clamped to V j =0, the signal node is in 0 state and the adder is extinguished.

Claims

1. A pulse electromagnetic protection circuit imitating biological evolution, characterized in that: The pulse electromagnetic protection circuit is composed of adder 1, inverter 1, signal node 1, follower 1, adder 2, signal node 2, follower 2, inverter 2, signal node 3, inverter 3, signal node 4, inverter 4, adder 3, signal node 5, inverter 5, signal node 6, and follower 3; the input of adder 1 is connected to the output of inverter 1, signal node 3, and signal node 6, and the output is connected to the input of inverter 3 and inverter 4; the input of inverter 1 is connected to signal node 1, and the output is connected to the input of adder 1; the input of follower 1 is connected to signal node 2, and the output is connected to signal node 1; the input of adder 2 is connected to signal node 1 and inverter 2 is connected to the output of inverter 3, and the output is connected to the input of follower 1; the input of follower 2 is connected to signal node 1, and the output is connected to signal node 3; the input of inverter 2 is connected to signal node 3, and the output is connected to the input of adder 2; the input of inverter 3 is connected to signal node 4, and the output is connected to the input of adder 2; the input of inverter 4 is connected to signal node 4, and the output is connected to the input of adder 3; the input of adder 3 is connected to signal node 3, inverter 4 and the output of inverter 5; the input of inverter 5 is connected to signal node 6, and the output is connected to the input of adder 3; the input of follower 3 is connected to signal node 1, and the output is connected to signal node 6.

2. The biologically evolved pulse electromagnetic protection circuit according to claim 1, characterized in that: The follower consists of a resistor R 21 , resistor R 22 , amplifier A, amplifier A is an ideal operational amplifier, the amplifier input signal s i As the signal node, by adjusting the resistor R 21 , resistor R 22 Ratio R 22 / R 21 Adjust the magnification.

3. The biologically evolved pulse electromagnetic protection circuit according to claim 1, characterized in that: The inverting amplifier consists of resistor R 31 , resistor R 32 , resistor R 33 , amplifier A, amplifier A is an ideal operational amplifier, the amplifier input signal s i As the signal node, by adjusting the resistor R 31 , resistor R 32 Ratio R 32 / R 31 Adjust the magnification, the magnification is -1.

4. The biologically evolved pulse electromagnetic protection circuit according to claim 1, characterized in that: The adder consists of resistor R 41 , resistor R 42 , resistor R 43 , resistor R 44 , resistor R 45 , amplifier A, diode D 41 Amplifier A is an ideal operational amplifier, and the amplifier input signal s i As the signal node, by adjusting the resistor R 41 , resistor R 42 , resistor R 43 , resistor R 44 Ratio R 42 / R 41 , R 43 / R 41 , R 44 / R 41 Adjust the magnification.

5. The biologically evolved pulse electromagnetic protection circuit according to claim 4, characterized in that: Diode D 41 The negative pole is connected to the adder output, and the positive pole is grounded, so as to realize that the signal node state is positive.

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