CN109760632A - The vehicle tracing system of GPS positioning identification based on block chain - Google Patents

The vehicle tracing system of GPS positioning identification based on block chain Download PDF

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Publication number
CN109760632A
CN109760632A CN201910100093.8A CN201910100093A CN109760632A CN 109760632 A CN109760632 A CN 109760632A CN 201910100093 A CN201910100093 A CN 201910100093A CN 109760632 A CN109760632 A CN 109760632A
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China
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end
resistance
module
vehicle
information
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CN201910100093.8A
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Chinese (zh)
Inventor
解本巨
刘国柱
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青岛科技大学
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Priority to CN201910100093.8A priority Critical patent/CN109760632A/en
Publication of CN109760632A publication Critical patent/CN109760632A/en

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Abstract

The invention discloses the vehicle tracing systems of the GPS positioning identification based on block chain, including vehicle localization module, vehicle tracking device, service unit and block chain service platform;Vehicle localization module, service unit, passes through GPRS connecting communication between block chain service platform at vehicle tracking device;Vehicle localization module is arranged in automobile control panel;Vehicle tracking device is connected in automobile control panel by data line;Within the scope of certain distance, after vehicle tracking device passes through Certificate Authority, the information of vehicle localization module transmitting can be directly received, direct-connected tracking is carried out;The present invention provides the tracing systems of high safety factor, and vehicle, the vehicle tracing system of the GPS positioning identification based on block chain of real-time dynamic knowledge vehicle dynamic position is accurately positioned.

Description

The vehicle tracing system of GPS positioning identification based on block chain

Technical field

The present invention relates to car tracing fields, more specifically, it is related to the vehicle of the identification of the GPS positioning based on block chain Tracing system.

Background technique

With rapid development of economy, the social owning amount of automobile is steeply risen, and problem is deployed in the vehicle management of constituent parts Than more prominent, at the same time, car robbery, robber's vehicle etc. endanger social security, the various phenomenons of influence social stability also rise year by year, right The monitoring of vehicle becomes urgent problem.Wherein not only vehicle is monitored, be not only unit needs, individual is to it The vehicle possessed implements dynamic control and monitoring is also needed, and how to improve management and running ability, recovers stolen car of being robbed , how to identify verification information, all becomes strategic point problem to be solved.

Summary of the invention

The present invention provides the tracing systems of high safety factor, and vehicle, real-time dynamic knowledge vehicle dynamic bit is accurately positioned The vehicle tracing system for the GPS positioning identification based on block chain set.

Technical scheme is as follows:

Based on block chain GPS positioning identification vehicle tracing system, including vehicle localization module, vehicle tracking device, Service unit and block chain service platform;Vehicle localization module, vehicle tracking device, service unit, block chain service platform it Between pass through GPRS connecting communication;Vehicle localization module is arranged in automobile control panel;Vehicle tracking device is connected by data line In in automobile control panel;Within the scope of certain distance, after vehicle tracking device passes through Certificate Authority, vehicle location can be directly received The information of module transmitting, carries out direct-connected tracking.

Further, vehicle localization module includes GPS positioning instrument, first information memory module and information sending module, letter It ceases sending module and first information memory module, GPS positioning instrument is electrically connected;First information memory module records license plate number, vehicle Currently all name claims, body color, residual fuel amount and driving path;Information sending module send real time GPS positioning and The information of first information memory module storage;

Vehicle tracking device includes power module, information identification module, the second information storage module, first information transmitting-receiving mould Block, display;Power module and information identification module, the second information storage module, first information transceiver module, display are electrical Connection, and electric power is provided;Information identification module includes face recognition module, fingerprint identification module and voiceprint identification module, face Side, fingerprint recognition setting exist in vehicle tracking device left side, voiceprint identification module setting on a display screen for identification module setting Vehicle tracking device two sides;Second information storage module receives authentication information by first information transceiver module, after certification Carry out information storage;First information transceiver module is connect with the second information storage module;Display includes central processing unit and shows Display screen, central processing unit and the second information storage module are electrically connected, and central processing unit is by the content of the second information storage module It is shown on a display screen after processing;

Service unit includes display module, processing module, memory module, authentication module and the second signal dispatcher module;It is aobvious Show that module, memory module, authentication module, the second signal dispatcher module and processing module are electrically connected;Display module is using touch Screen, carries out relevant information input and information is shown;The information and block chain that the needs that authentication module inputs display module authenticate The encryption information stored in service platform is compared;Memory module will certification pass through after partial authentication information carry out classification deposit Storage, and the information received and dispatched between service unit and vehicle localization module, vehicle tracking device is stored;Processing module will recognize The information demonstrate,proved in the memory module after passing through is shown to display module;

Block chain service platform and service unit communicate;License plate number is recorded in block chain, the currently all name of vehicle claims, vehicle Body color, vehicle registration date, original vehicle owner title, distributing business's title, enterprise's business license number, vehicle owner Identification card number or business license number, owner contact address, maintenance record, traffic accident record, Policy information, registration card letter Breath, driving license information;The information sended over according to service unit is transferred its corresponding authority content by block chain service platform Information is transferred to service unit.

Further, vehicle tracking device further includes external power source interface, passes through constant-current constant-voltage circuit for external vapour The power supply for being converted to stabilizing equipment operation of vehicle power supply;Specific constant-current constant-voltage circuit includes signal processor, diode, electricity Resistance, capacitor, polar capacitor and photosensitive component;

There are two signal processors, respectively signal processor U1 and signal processor U3;The first of signal processor U1 Pin and second pin make cathode as input, and the third pin of signal processor U1 is connect with one end of capacitor C5, capacitor The other end of C5 is connect with one end of the cathode of polar capacitor C3, capacitor C4, and is connect with the cathode of input;Polar capacitor C3 Anode and one end of resistance R8, one end of resistance R5, one end of resistance R9, signal processor U1 the 4th pin, capacitor C4 The other end connection;

Resistance R8, resistance R7, resistance R6 series connection, the other end and one end of resistance R1, one end of resistance R2, electricity of resistance R6 Hold anode of the one end together as input of C1;The other end of resistance R1, one end of resistance R3, the other end of capacitor C1 and two poles The cathode of pipe D1 connects;Resistance R2 connects with resistance R3;The 5th pin of the anode of diode D1 and signal processor U1, the 6th Pin, the 7th pin, the connection of the 8th pin;One end of capacitor C1 connect the both ends of inductance T1 with the anode of diode D1;

The other end of resistance R5 is connect with the cathode of diode D3, the anode of diode D3 and one end, two poles of resistance R4 The cathode of pipe D2 connects, and the other end of resistance R4 is connect with one end of the anode of polar capacitor C2, capacitor C11;Polar capacitor C2 Cathode, capacitor C11 the other end ground connection;The anode of diode D2 connect the both ends of inductance T2 with the other end of capacitor C11;

Resistance R9 connects with resistance R10, and the other end of resistance R10 is connect with the 4th pin of photosensitive component U2, photosensitive The third pin of component U2 is feedback pin;Resistance R12, electricity are connected between the first pin and second pin of photosensitive component The one end for hindering R12 connects resistance R11, and another termination VCC high potential of resistance R11, the other end of resistance R2 is with diode D4's The anode connection of anode, diode D5;

The cathode of diode D4 is connect with one end of resistance R14, the other end of resistance R14 and one end, the signal of resistance R15 The first pin of processor U3 connects;The other end of resistance R15 is connect with one end of capacitor C7, the other end and resistance of capacitor C7 The second pin connection of one end of R19, one end of resistance R20, signal processor U3, another termination VCC high electricity of resistance R19 Position, the other end of resistance R20 are grounded together with the 4th pin of signal processor U3;The third pin and electricity of signal processor U3 Hinder one end connection of R16, another termination VCC high potential of resistance R16;

The cathode of diode D5 is connect with one end of resistance R13, the other end of resistance R13 and one end, the signal of resistance R17 The 7th pin of processor U3 connects, and the other end of resistance R17 is connect with one end of capacitor C10, the other end and letter of capacitor C10 One end connection of the 6th pin, one end of resistance R21, capacitor C9 of number processor U3, the other end of resistance R21, capacitor C9 The other end is grounded together;The 5th pin of signal processor U3 is connect with one end of one end of resistance R18, capacitor C8, capacitor C8 The other end ground connection, another termination VCC high potential of resistance R18;The 8th pin of signal processor U3 connects one end of capacitor C6 It is grounded with the other end of VCC high potential, capacitor C6.

Further, the classification storage in service unit memory module precisely distinguishes sample pattern progress by establishing;Tool It is as follows that body establishes precisely differentiation sample pattern:

It precisely distinguishes sample pattern to be handled using multiple consecutive identical processing model units, model unit includes input Layer, hidden layer and output layer, i.e. model unit form the correspondence output and input, carry out establishing mapping model with hidden layer;It is defeated Enter the output valves of whole nodes that layer includes upper one layer of sample pattern, place node layer and upper one layer of whole nodes weight and The threshold values and activation primitive of present node, specific judgment formula are as follows:

xj=f (Sj)

Wherein f is activation primitive, chooses S type function, and i and j are each node layer of sample pattern i.e. which input value, which Layer processing, wijFor the weight between node i and node j, bjFor the threshold values of node j, xjThe output valve of each node;First time sample This mode input node layer does not have threshold values;

Activation primitive is specific as follows:

Wherein x is input, and e is constant, and A, B are constant.

Further, precisely distinguishing sample pattern further includes authentication mechanism i.e. back transfer process, by input and most The comparison of whole output correcting weight and threshold values repeatedly, and then corrects weight, the threshold values in Forward modeling processing, so that Error identification is minimized, to obtain precisely distinguishing sample pattern, specific processing is as follows:

It is as follows that back transfer process specifically handles function E:

Wherein djFor all as a result, y of output layerjFor Forward modeling, treated as a result, w is weight, and b is threshold values, and n is The number of plies;

The gradient of E (w, b) is proportional to weighted vector correction amount, therefore has for j-th of output node:

η is variable;According to activation primitive, it is known that activation primitive derivation, obtain

To be directed to wijJust have

Wherein have

Similarly for bjHave

To obtain the weight between hidden layer and output layer connection, there are also the methods of the adjustment amount of output layer threshold values;Also need The adjustment amount of the threshold values of the weight and hidden layer intermediate node between input layer and the node of hidden layer is obtained, specific formula is as follows:

Wherein wkiIt is the weight between input layer k node and hidden layer i-node, then also

According to above-mentioned formula, it is based on gradient descent method, obtains the weight and valve of connecting node between hidden layer and output layer Value is completed by following formula:

Wherein η1、η2For variable, the weight and threshold value that input layer is connect with hidden layer can be obtained by upper formula, specific formula is such as Under:

Determine the node number of input layer and the node number of output layer in building according to the actual situation, but hidden layer Node number is uncertain, but the number of hidden node layer will affect the fitting degree of network, therefore true using following formula Determine hidden layer number of nodes:

Hidden layer number of nodes indicates that input layer number is indicated with m with h, and output layer number of nodes is indicated with n, obtains more Accurate hidden layer number of nodes and more accurate model addition regulating constant are indicated with a.

Advantage is the present invention compared with prior art: the present invention utilizes block chain service platform, protects to data safety Barrier, and vehicle corresponding information is received directly to improve tracking efficiency by vehicle tracking device.Because of the data safety of block chain Property, to carry out real time data reservation for tracing process, acquisition evidence is arrested for the police and becomes more just legal.The present invention By the common recognition mechanism using block chain, device authorization is carried out, increases the safety of whole system, and improve and believe from each other The shared reliability of breath.

Vehicle tracking device of the invention is because external power supply is generally automobile, and the voltage and current of automobile is unstable, therefore In order to improve the whole service life and newly energy of vehicle tracking device, constant-current constant-voltage circuit is devised, ensures entirety to improve The stabilization of operation, other modular circuits use conventional design.

For the present invention in order to improve the efficient of information search, establishing accurate differentiation sample pattern will by establishing the model Information is accurately distinguished, and is the subsequent police during being tracked, it is only necessary to importation characteristic information, it can be quickly smart Corresponding information of vehicles is really found, and quick information sharing is carried out by service unit, to greatly promote treatment effeciency.

Detailed description of the invention

Fig. 1 is the structural diagram of the present invention.

Fig. 2 is the schematic diagram of vehicle localization module of the invention.

Fig. 3 is the schematic diagram of vehicle tracking device of the invention.

Fig. 4 is the schematic diagram of service unit of the invention.

Fig. 5 is constant-current constant-voltage circuit figure of the invention.

Fig. 6 is the processing model unit figure of accurate differentiation sample pattern of the invention.

Specific embodiment

The present invention is further described with reference to the accompanying drawings and detailed description.

As shown in Figures 1 to 6, the vehicle tracing system of the GPS positioning identification based on block chain, including vehicle location mould Block, vehicle tracking device, service unit and block chain service platform.Vehicle localization module, vehicle tracking device, service unit, Pass through GPRS connecting communication between block chain service platform.Vehicle localization module is arranged in automobile control panel.Car tracing dress It sets and is connected in automobile control panel by data line.Within the scope of certain distance, after vehicle tracking device passes through Certificate Authority, energy The information for directly receiving vehicle localization module transmitting, carries out direct-connected tracking.The information wherein sent between modules equipment is all It is by encryption, so the inside information content can not be unlocked by not holding corresponding secret key.

Vehicle localization module includes GPS positioning instrument, first information memory module and information sending module, information sending module It is electrically connected with first information memory module, GPS positioning instrument.It is currently all that first information memory module records license plate number, vehicle Name claims, body color, residual fuel amount and driving path.Information sending module sends real time GPS positioning and the first information is deposited Store up the information of module storage.Wherein its information sent is all by encryption, so not holding corresponding secret key is in can not unlocking The face information content.Because its fairly simple cost of setting is very low, can be installed on every trolley, and newly go out in the market Automobile is all included.

Vehicle tracking device includes power module, information identification module, the second information storage module, first information transmitting-receiving mould Block, display.Power module and information identification module, the second information storage module, first information transceiver module, display are electrical Connection, and electric power is provided.Information identification module includes face recognition module, fingerprint identification module and voiceprint identification module, face Side, fingerprint recognition setting exist in vehicle tracking device left side, voiceprint identification module setting on a display screen for identification module setting Vehicle tracking device two sides.Second information storage module receives authentication information by first information transceiver module, after certification Carry out information storage.First information transceiver module is connect with the second information storage module.Display includes central processing unit and shows Display screen, central processing unit and the second information storage module are electrically connected, and central processing unit is by the content of the second information storage module It is shown on a display screen after processing.

Its working principle mainly passes through service unit and authority checking information is sent to vehicle tracking device, car tracing dress It sets and stores that information in the second information storage module.Only when donor passes through fingerprint identification module, face recognition module, sound The verifying of line identification module three, just meeting duly authorized success, starting device.Donor to obtain is to the letter that should be able to be seen Breath, shows over the display from block chain service platform by data information.And in actual operation, for example the police are chased, Multiple devices can be authorized, and donor is different, but authorization message is identical, as long as commander in chief people confirms authorization, multiple devices at this time Corresponding user then can will need the other secret informations for the vehicle tracked directly to send out by Information Authentication by common recognition mechanism It is sent to vehicle tracking device, excessive data operation processing repeatedly is not needed, greatly reduces redundant operation, promote being total to for information It enjoys.Use information of vehicle tracking device itself can be also sent to block chain service platform by storage, because it is to pass through the time As storage chains, and its modification is difficult, needs to reach the nodal stored information modification of more than half, just can be successfully modified, therefore It has objectively ensured the accuracy of record data, it is ensured that the police once unlawful practice occur in the process of implementation, will be complete Complete record ensures the legitimacy of evidence.

Wherein, can be within the scope of certain distance after authorization, vehicle tracking device directly receives vehicle localization module The information of transmitting carries out direct-connected tracking.It is convenient for the efficient connection of information in this way, greatly improves tracking effect.

Vehicle tracking device further includes external power source interface, it is ensured that vehicle tracking device can operate for a long time.External power supply Interface its by constant-current constant-voltage circuit by external automobile power source be converted to stabilizing equipment operation power supply.Specific constant current is permanent Volt circuit includes signal processor, diode, resistance, capacitor, polar capacitor and photosensitive component.Physical circuit is as shown in Figure 5.

There are two signal processors, respectively signal processor U1 and signal processor U3.The first of signal processor U1 Pin and second pin make cathode as input, and the third pin of signal processor U1 is connect with one end of capacitor C5, capacitor The other end of C5 is connect with one end of the cathode of polar capacitor C3, capacitor C4, and is connect with the cathode of input.Polar capacitor C3 Anode and one end of resistance R8, one end of resistance R5, one end of resistance R9, signal processor U1 the 4th pin, capacitor C4 The other end connection.

Resistance R8, resistance R7, resistance R6 series connection, the other end and one end of resistance R1, one end of resistance R2, electricity of resistance R6 Hold anode of the one end together as input of C1.The other end of resistance R1, one end of resistance R3, the other end of capacitor C1 and two poles The cathode of pipe D1 connects.Resistance R2 connects with resistance R3.The 5th pin of the anode of diode D1 and signal processor U1, the 6th Pin, the 7th pin, the connection of the 8th pin.One end of capacitor C1 connect the both ends of inductance T1 with the anode of diode D1.

The other end of resistance R5 is connect with the cathode of diode D3, the anode of diode D3 and one end, two poles of resistance R4 The cathode of pipe D2 connects, and the other end of resistance R4 is connect with one end of the anode of polar capacitor C2, capacitor C11.Polar capacitor C2 Cathode, capacitor C11 the other end ground connection.The anode of diode D2 connect the both ends of inductance T2 with the other end of capacitor C11.

Resistance R9 connects with resistance R10, and the other end of resistance R10 is connect with the 4th pin of photosensitive component U2, photosensitive The third pin of component U2 is feedback pin.Resistance R12, electricity are connected between the first pin and second pin of photosensitive component The one end for hindering R12 connects resistance R11, and another termination VCC high potential of resistance R11, the other end of resistance R2 is with diode D4's The anode connection of anode, diode D5.

The cathode of diode D4 is connect with one end of resistance R14, the other end of resistance R14 and one end, the signal of resistance R15 The first pin of processor U3 connects.The other end of resistance R15 is connect with one end of capacitor C7, the other end and resistance of capacitor C7 The second pin connection of one end of R19, one end of resistance R20, signal processor U3, another termination VCC high electricity of resistance R19 Position, the other end of resistance R20 are grounded together with the 4th pin of signal processor U3.The third pin and electricity of signal processor U3 Hinder one end connection of R16, another termination VCC high potential of resistance R16.

The cathode of diode D5 is connect with one end of resistance R13, the other end of resistance R13 and one end, the signal of resistance R17 The 7th pin of processor U3 connects, and the other end of resistance R17 is connect with one end of capacitor C10, the other end and letter of capacitor C10 One end connection of the 6th pin, one end of resistance R21, capacitor C9 of number processor U3, the other end of resistance R21, capacitor C9 The other end is grounded together.The 5th pin of signal processor U3 is connect with one end of one end of resistance R18, capacitor C8, capacitor C8 The other end ground connection, another termination VCC high potential of resistance R18.The 8th pin of signal processor U3 connects one end of capacitor C6 It is grounded with the other end of VCC high potential, capacitor C6.

Vehicle-mounted input voltage is substantially in 12V to 24V on the market, and maximum output current can achieve 15 amperes even Reach 20 amperes.General general output voltage common on the market is 5V, and exports electric current then in 1A -4A or so, still It is very unstable, it is difficult to realize the use steady in a long-term to vehicle tracking device.And after using this constant-current constant-voltage circuit, output voltage It is still 5V, and exporting electric current can control in 1.7A to 2.2A.Facilitate under this long-term environment of equipment to use.

Service unit includes display module, processing module, memory module, authentication module and the second signal dispatcher module.It is aobvious Show that module, memory module, authentication module, the second signal dispatcher module and processing module are electrically connected.Display module is using touch Screen, carries out relevant information input and information is shown.The information and block chain that the needs that authentication module inputs display module authenticate The encryption information stored in service platform is compared.Memory module will certification pass through after partial authentication information carry out classification deposit Storage, and the information received and dispatched between service unit and vehicle localization module, vehicle tracking device is stored.Processing module will recognize The information demonstrate,proved in the memory module after passing through is shown to display module.

Service unit inputs accurate information by authentication module, by basic right people, to be tracked by authentication starting, the The transmission data once authenticated can very much, but after authenticating, basic right people can directly be authorized by common recognition mechanism, no longer be needed It repeats to provide many information, to reduce redundancy, improves concurrency, promote the shared for the treatment of effeciency and information.Service unit The information of vehicle localization module, vehicle tracking device can be received, and is shown, people monitors in real time for basic right, just Global commander is carried out in such as police commander in chief, decides whether to increase manpower etc..

Block chain service platform and service unit communicate.License plate number is recorded in block chain, the currently all name of vehicle claims, vehicle Body color, vehicle registration date, original vehicle owner title, distributing business's title, enterprise's business license number, vehicle owner Identification card number or business license number, owner contact address, maintenance record, traffic accident record, Policy information, registration card letter Breath, driving license information.The information sended over according to service unit is transferred its corresponding authority content by block chain service platform Information is transferred to service unit.

Preferably, the classification storage in service unit memory module, is precisely to distinguish sample pattern progress by establishing. Such as to the input of Mazda A6 information of vehicles and photo as sample pattern in data, when entering sample pattern for the first time first Output is automobile, is Mazda followed by the processing output of secondary sample pattern is carried out, is for the third time red Mazda, is for the 4th time The extent of damage, the 5th time be detail of the tire condition ... to finally obtain classification storage, the actual color of Mazda A6, Vehicle condition, form path etc., to establish the refinement storage of accurate information.Reached with this, as passed through input after police's authorization Some vehicles characteristic information can efficiently obtain all information of unique corresponding actual vehicle.

Specifically establishing this, precisely differentiation sample pattern is as follows:

It precisely distinguishes sample pattern to be handled using multiple consecutive identical processing model units, model unit includes input Layer, hidden layer and output layer, i.e. model unit form the correspondence output and input, carry out establishing mapping model with hidden layer.It is defeated Enter the output valves of whole nodes that layer includes upper one layer of sample pattern, place node layer and upper one layer of whole nodes weight and The threshold values and activation primitive of present node, specific judgment formula are as follows:

xj=f (Sj)

Wherein f is activation primitive, chooses S type function, and i and j are each node layer of sample pattern i.e. which input value, which Layer processing, wijFor the weight between node i and node j, bjFor the threshold values of node j, xjThe output valve of each node.First time sample This mode input node layer does not have threshold values.

Activation primitive is specific as follows:

Wherein x is input, and e is constant, and A, B are constant.

Establishing and precisely distinguishing sample pattern further includes authentication mechanism i.e. back transfer process, last accurate in order to verify Property.It is by inputting the comparison with final output, to correct weight and threshold values repeatedly, and then to correct in Forward modeling processing Weight, threshold values so that error identification is minimized, to obtain precisely distinguishing sample pattern, specific processing is as follows:

It is as follows that back transfer process specifically handles function E:

Wherein djFor all as a result, y of output layerjFor Forward modeling, treated as a result, w is weight, and b is threshold values, and n is The number of plies.By constantly comparing the weight and threshold value of adjustment sample pattern, decline its relative error gradient, thus according under gradient Drop method is modified.

The gradient of E (w, b) is proportional to weighted vector correction amount, therefore has for j-th of output node:

η is variable.According to activation primitive, it is known that activation primitive derivation, obtain

To be directed to wijJust have

Wherein have

Similarly for bjHave

To obtain the weight between hidden layer and output layer connection, there are also the methods of the adjustment amount of output layer threshold values.But it also needs The adjustment amount of the threshold values of the weight and hidden layer intermediate node between input layer and the node of hidden layer is obtained, specific formula is such as Under:

Wherein wkiIt is the weight between input layer k node and hidden layer i-node, then also

According to above-mentioned formula, it is based on gradient descent method, obtains the weight and valve of connecting node between hidden layer and output layer Value, is completed by following formula:

Wherein η1、η2For variable, the weight and threshold value that input layer is connect with hidden layer can be obtained by upper formula, specific formula is such as Under:

Determine the node number of input layer and the node number of output layer in building according to the actual situation, but hidden layer Node number is uncertain, but the number of hidden node layer will affect the fitting degree of network, therefore true using following formula Determine hidden layer number of nodes:

Hidden layer number of nodes indicates that input layer number is indicated with m with h, and output layer number of nodes is indicated with n, obtains more Accurate hidden layer number of nodes and more accurate model addition regulating constant are indicated with a.

The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art Member, without departing from the inventive concept of the premise, can also make several improvements and modifications, these improvements and modifications also should be regarded as In the scope of the present invention.

Claims (5)

1. the vehicle tracing system that the GPS positioning based on block chain identifies, which is characterized in that including vehicle localization module, vehicle Follow-up mechanism, service unit and block chain service platform;Vehicle localization module, vehicle tracking device, service unit, block chain clothes It is engaged in passing through GPRS connecting communication between platform;Vehicle localization module is arranged in automobile control panel;Vehicle tracking device passes through number It is connected in automobile control panel according to line;Within the scope of certain distance, after vehicle tracking device passes through Certificate Authority, can directly it receive The information of vehicle localization module transmitting, carries out direct-connected tracking.
2. the vehicle tracing system of the GPS positioning identification according to claim 1 based on block chain, which is characterized in that Vehicle localization module includes GPS positioning instrument, first information memory module and information sending module, and information sending module is believed with first Cease memory module, GPS positioning instrument is electrically connected;First information memory module records license plate number, the currently all name of vehicle claims, vehicle Body color, residual fuel amount and driving path;Information sending module sends real time GPS positioning and the storage of first information memory module Information;
Vehicle tracking device include power module, information identification module, the second information storage module, first information transceiver module, Display;Power module electrically connects with information identification module, the second information storage module, first information transceiver module, display It connects, and electric power is provided;Information identification module includes face recognition module, fingerprint identification module and voiceprint identification module, and face is known Side, fingerprint recognition setting are arranged in vehicle tracking device left side, voiceprint identification module in vehicle on a display screen for other module setting Follow-up mechanism two sides;Second information storage module receives authentication information by first information transceiver module, laggard by authenticating Row information storage;First information transceiver module is connect with the second information storage module;Display includes central processing unit and display Screen, central processing unit and the second information storage module are electrically connected, and central processing unit will be at the content of the second information storage module It is shown on a display screen after reason;
Service unit includes display module, processing module, memory module, authentication module and the second signal dispatcher module;Show mould Block, memory module, authentication module, the second signal dispatcher module and processing module are electrically connected;Display module uses touch screen, into The input of row relevant information and information are shown;The information that the needs that authentication module inputs display module authenticate is put down with block chain service The encryption information stored in platform is compared;Partial authentication information after memory module passes through certification carries out classification storage, and The information received and dispatched between service unit and vehicle localization module, vehicle tracking device is stored;Processing module is logical by certification Later the information in memory module is shown to display module;
Block chain service platform and service unit communicate;License plate number is recorded in block chain, the currently all name of vehicle claims, vehicle body face Color, vehicle registration date, original vehicle owner title, distributing business's title, enterprise's business license number, vehicle owner's identity Card number or business license number, owner contact address, maintenance record, traffic accident record, Policy information, registration card information, Driving license information;The information sended over according to service unit is transferred the information of its corresponding authority content by block chain service platform It is transferred to service unit.
3. the vehicle tracing system of the GPS positioning identification according to claim 2 based on block chain, which is characterized in that Vehicle tracking device further includes external power source interface, and external automobile power source is converted to stabilization by constant-current constant-voltage circuit The power supply of equipment operation;Specific constant-current constant-voltage circuit includes signal processor, diode, resistance, capacitor, polar capacitor and light Quick component;
There are two signal processors, respectively signal processor U1 and signal processor U3;The first pin of signal processor U1 Make cathode as input with second pin, the third pin of signal processor U1 is connect with one end of capacitor C5, capacitor C5's The other end is connect with one end of the cathode of polar capacitor C3, capacitor C4, and is connect with the cathode of input;The sun of polar capacitor C3 Pole and one end of resistance R8, one end of resistance R5, one end of resistance R9, the 4th pin of signal processor U1, capacitor C4 it is another One end connection;
Resistance R8, resistance R7, resistance R6 series connection, the other end and one end of resistance R1, one end of resistance R2, capacitor C1 of resistance R6 One end together as input anode;The other end of resistance R1, one end of resistance R3, capacitor C1 the other end and diode D1 Cathode connection;Resistance R2 connects with resistance R3;The 5th pin of the anode of diode D1 and signal processor U1, the 6th draw Foot, the 7th pin, the connection of the 8th pin;One end of capacitor C1 connect the both ends of inductance T1 with the anode of diode D1;
The other end of resistance R5 is connect with the cathode of diode D3, the anode of diode D3 and one end, the diode D2 of resistance R4 Cathode connection, the other end of resistance R4 connect with one end of the anode of polar capacitor C2, capacitor C11;The yin of polar capacitor C2 Pole, capacitor C11 the other end ground connection;The anode of diode D2 connect the both ends of inductance T2 with the other end of capacitor C11;
Resistance R9 connects with resistance R10, and the other end of resistance R10 is connect with the 4th pin of photosensitive component U2, photosensitive member device The third pin of part U2 is feedback pin;Resistance R12, resistance are connected between the first pin and second pin of photosensitive component One end of R12 connects resistance R11, another termination VCC high potential of resistance R11, the other end of resistance R2 and the sun of diode D4 The anode connection of pole, diode D5;
The cathode of diode D4 is connect with one end of resistance R14, the other end of resistance R14 and one end, the signal processing of resistance R15 The first pin of device U3 connects;The other end of resistance R15 is connect with one end of capacitor C7, the other end and resistance R19 of capacitor C7 One end, one end of resistance R20, signal processor U3 second pin connection, another termination VCC high potential of resistance R19, electricity The other end of resistance R20 is grounded together with the 4th pin of signal processor U3;The third pin and resistance R16 of signal processor U3 One end connection, another termination VCC high potential of resistance R16;
The cathode of diode D5 is connect with one end of resistance R13, the other end of resistance R13 and one end, the signal processing of resistance R17 The 7th pin of device U3 connects, and the other end of resistance R17 is connect with one end of capacitor C10, at the other end and signal of capacitor C10 Manage one end connection of the 6th pin of device U3, one end of resistance R21, capacitor C9, the other end of resistance R21, capacitor C9 it is another End is grounded together;The 5th pin of signal processor U3 is connect with one end of one end of resistance R18, capacitor C8, and capacitor C8's is another One end ground connection, another termination VCC high potential of resistance R18;The 8th pin of signal processor U3 meets one end and the VCC of capacitor C6 High potential, the other end ground connection of capacitor C6.
4. the vehicle tracing system of the GPS positioning identification according to claim 1 based on block chain, which is characterized in that Classification storage in service unit memory module precisely distinguishes sample pattern progress by establishing;Specific establish precisely distinguishes sample This model is as follows:
Sample pattern is precisely distinguished to be handled using multiple consecutive identical processing model units, model unit include input layer, Hidden layer and output layer, i.e. model unit form the correspondence output and input, carry out establishing mapping model with hidden layer;Input layer The output valves of whole nodes including upper one layer of sample pattern, the weight of place node layer and upper one layer of whole nodes and current The threshold values and activation primitive of node, specific judgment formula are as follows:
xj=f (Sj)
Wherein f is activation primitive, chooses S type function, i and j for each node layer of sample pattern i.e. which input value, at which layer Reason, wijFor the weight between node i and node j, bjFor the threshold values of node j, xjThe output valve of each node;First time sample mould Type input layer does not have threshold values;
Activation primitive is specific as follows:
Wherein x is input, and e is constant, and A, B are constant.
5. the vehicle tracing system of the GPS positioning identification according to claim 4 based on block chain, which is characterized in that Precisely distinguishing sample pattern further includes authentication mechanism i.e. back transfer process, by the comparison of input and final output, is come It corrects weight and threshold values repeatedly, and then corrects weight, the threshold values in Forward modeling processing, so that error identification is minimized, To obtain precisely distinguishing sample pattern, specific processing is as follows:
It is as follows that back transfer process specifically handles function E:
Wherein djFor all as a result, y of output layerjFor Forward modeling, treated as a result, w is weight, and b is threshold values, and n is the number of plies;
The gradient of E (w, b) is proportional to weighted vector correction amount, therefore has for j-th of output node:
η is variable;According to activation primitive, it is known that activation primitive derivation, obtain
To be directed to wijJust have
Wherein have
Similarly for bjHave
To obtain the weight between hidden layer and output layer connection, there are also the methods of the adjustment amount of output layer threshold values;It also needs to obtain The adjustment amount of the threshold values of weight and hidden layer intermediate node between input layer and the node of hidden layer, specific formula is as follows:
Wherein wkiIt is the weight between input layer k node and hidden layer i-node, then also
According to above-mentioned formula, it is based on gradient descent method, obtains the weight and threshold values of connecting node between hidden layer and output layer, by Following formula is completed:
Wherein η1、η2For variable, the weight and threshold value that input layer is connect with hidden layer can be obtained by upper formula, specific formula is as follows:
Determine the node number of input layer and the node number of output layer in building according to the actual situation, but hidden node layer Number is uncertain, but the number of hidden node layer will affect the fitting degree of network, therefore it is hidden to use following formula to determine Cover node layer number:
Hidden layer number of nodes indicates that input layer number is indicated with m with h, and output layer number of nodes is indicated with n, and it is more accurate to obtain Hidden layer number of nodes and more accurate model addition regulating constant indicated with a.
CN201910100093.8A 2019-01-31 2019-01-31 The vehicle tracing system of GPS positioning identification based on block chain CN109760632A (en)

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