CN209962414U - Intelligent traffic signal lamp self-adaptive control system - Google Patents
Intelligent traffic signal lamp self-adaptive control system Download PDFInfo
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- CN209962414U CN209962414U CN201920934626.8U CN201920934626U CN209962414U CN 209962414 U CN209962414 U CN 209962414U CN 201920934626 U CN201920934626 U CN 201920934626U CN 209962414 U CN209962414 U CN 209962414U
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Abstract
The utility model provides an intelligent traffic signal lamp self-adaptation control system relates to intelligent traffic control technical field, including main control unit PLC, drive module, bidirectional thyristor, traffic signal lamp, touch-sensitive screen, controller DSP, vehicle quantity detection module, signal conditioning module, camera, image analysis processing module, Zigbee wireless communication module, host computer. The utility model uses the main controller PLC as the core controller, the vehicle quantity information and the video image processing are detected through the controller DSP, the bidirectional thyristor signal driving module and the FPGA fault detection and feedback are carried out, the control signal output by the main controller PLC controls the on-off of the traffic signal lamp through the driving module, and the self-adaptive control of the traffic signal lamp is realized; the utility model discloses can carry out real time monitoring and prediction to the traffic developments to show and promote traffic operating efficiency.
Description
Technical Field
The utility model relates to an intelligent transportation control technical field, concretely relates to intelligent traffic signal lamp self-adaptation control system.
Background
In recent years, with the continuous development of society and economy, the urbanization process is gradually accelerated, the living standard and the consumption standard of people are continuously improved, more and more people select automobiles to ride instead of walk, the automobile ownership is gradually increased year by year, and the road traffic pressure is increased. The intersection is an important node in an urban traffic network and is a place where traffic accidents occur frequently, and the improvement of the traffic efficiency of the intersection is one of effective methods for improving the traffic capacity of roads.
The traditional traffic control technology and method cannot effectively solve the increasingly serious traffic problem, the contradiction between urban traffic and economic development is gradually sharp, and higher requirements are put forward on the urban traffic control technology. The development of urban traffic control technology is promoted by the increasingly perfection of computer technology, network technology, information technology and intelligent control technology. At present, road traffic signal controllers are widely used at all traffic intersections, however, a plurality of common timing control methods are still adopted, the method sets a peak time and a peak leveling time according to different time periods, properly changes the intersection release time, is simple, and cannot realize self-adaptive control.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model discloses adopt ordinary timing control method can't realize self-adaptation control's defect problem to current traffic crossing, provide an intelligent traffic signal lamp self-adaptation control system.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
an intelligent traffic signal lamp self-adaptive control system comprises a main controller PLC, a driving module, a bidirectional thyristor, a traffic signal lamp, a touch screen, a controller DSP, a vehicle quantity detection module, a signal conditioning module, a camera, an image analysis processing module, a Zigbee wireless communication module and an upper computer;
the main controller PLC is connected with the bidirectional thyristor through the driving module, and the bidirectional thyristor is connected with the traffic signal lamp;
the controller DSP is connected with the main controller PLC; the vehicle number detection module is connected with the controller DSP through the signal conditioning module; the camera is connected with the controller DSP through the image analysis processing module; the controller DSP is in wireless communication with the upper computer through the Zigbee wireless communication module;
and the peripheral circuit of the master controller PLC comprises a touch screen, and the touch screen is connected with the master controller PLC.
According to an embodiment of the utility model, the power supply module is also included, and the power supply module is respectively connected with the main controller PLC, the controller DSP and the bidirectional thyristor and supplies power to the main controller PLC, the controller DSP and the bidirectional thyristor; the power supply module provides 220V alternating current, 24V direct current, 12V direct current and 5V direct current.
According to an embodiment of the present invention, the driving module includes a 220V ac power supply, a 12V dc power supply, a 5V dc power supply, a photocoupler U1, U2, U3, a resistor R1, R2, R3, R4, R5, R6, R7, R8, a bidirectional thyristor VT1, a capacitor C1;
the photoelectric coupler U1 is an optocoupler MOC3601, the photoelectric couplers U2 and U3 are optocouplers PC813, and the bidirectional thyristor VT1 is BTA 08;
the 12V direct-current power supply is connected with one end of a resistor R1, the other end of the resistor R1 is connected with a pin 1 of a photoelectric coupler U1, a pin 2 of the photoelectric coupler U1 is connected with a driving signal output by a main controller PLC, a pin 6 of the photoelectric coupler U1 is connected with one end of a resistor R2, the other end of the resistor R2 is connected with a pin 2 of a bidirectional thyristor VT1 and one end of a resistor R4, a pin 4 of the photoelectric coupler U1 is connected with one end of the resistor R2 and a pin 3 of the bidirectional thyristor VT1, and the other end of the resistor R2 is connected with a pin 1 of the bidirectional thyristor VT 1; the other end of the resistor R4 is connected with one end of a capacitor C1, and the other end of the capacitor C1 is connected with a pin 1 of a bidirectional thyristor VT1, one end of a resistor R5, one end of a resistor R6, one end of a resistor R7 and one end of a resistor R8; the other end of the resistor R5 is connected with a pin 1 of a photoelectric coupler U2, the other end of the resistor R6 is connected with a pin 2 of the photoelectric coupler U2, a pin 3 of the photoelectric coupler U2 is grounded, and a pin 4 of the photoelectric coupler U2 is connected with a 5V direct-current power supply; the other end of the resistor R7 is connected with a pin 1 of a photoelectric coupler U3, the other end of the resistor R8 is connected with a pin 2 of the photoelectric coupler U3, a pin 3 of the photoelectric coupler U3 is grounded, and a pin 4 of the photoelectric coupler U3 is connected with a 5V direct-current power supply; the 2 feet of the photoelectric coupler U2 and the photoelectric coupler U3 are respectively connected with a traffic signal lamp.
According to an embodiment of the present invention, the vehicle number detection module includes 12V dc power supply, resistors R9, R10, R11, R12, R13, R14, a triode Q1, a transformer T1, an inductor L1, an operational amplifier U4, capacitors C2, C3, zener diodes D1, D2, D3;
the 12V direct-current power supply is connected with one end of a resistor R9, one end of a resistor R10, one end of a resistor R11 and one end of a resistor R12, and the other end of the resistor R9 is grounded; the other end of the resistor R10 is connected with the output end of the operational amplifier U4; the other end of the resistor R11 is grounded with the collector of the triode Q1 and one end of the capacitor C2, and the other end of the capacitor C2 is grounded; the other end of the resistor R12 is connected with the base electrode of a triode Q1, the emitter electrode of the triode Q1 is connected with one end of the primary winding of the transformer T1, the anode of a voltage stabilizing diode D1 and one end of a resistor R13, and the capacitor C3 is connected between the collector electrode and the emitter electrode of the triode Q1 in parallel; the cathode of a voltage-stabilizing diode D1 is connected with the anode of a voltage-stabilizing diode D2, the cathode of a voltage-stabilizing diode D2 is connected with the other end of the primary winding of a transformer T1, the two ends of the secondary winding of the transformer T1 are connected with the two ends of a ground induction coil L1, and the two ends of a voltage-stabilizing diode D3 are respectively connected with the two ends of the secondary winding of the transformer T1; the other end of the resistor R13 is connected with the non-inverting input end of the operational amplifier U4, the inverting input end of the operational amplifier U4 is connected with one end of the resistor R14, and the other end of the resistor R14 is grounded.
According to an embodiment of the present invention, the transistor Q1 is an NPN transistor 8050, and the operational amplifier U4 is an LM 293.
According to an embodiment of the present invention, the main controller PLC is siemens S7-400.
According to an embodiment of the present invention, the controller DSP employs TMS320C 6748.
According to the utility model discloses an embodiment, main control unit PLC passes through the RS485 bus with controller DSP and links to each other.
According to the utility model discloses an embodiment, be connected with FPGA fault detection module between main control unit PLC and the traffic signal lamp, FPGA adopts EP1C12Q240C 8.
According to the utility model discloses an embodiment, there is sound detection module to link to each other with controller DSP.
(III) advantageous effects
The utility model has the advantages that: a self-adaptive control system of an intelligent traffic signal lamp takes a main controller PLC as a core controller, vehicle quantity information and video image processing are detected through a controller DSP, a bidirectional thyristor signal driving module and FPGA fault detection and feedback are carried out, and a control signal output by the main controller PLC controls the on and off of the traffic signal lamp through the driving module to realize the self-adaptive control of the traffic signal lamp; the utility model discloses can carry out real time monitoring and prediction to the traffic developments to show and promote traffic operating efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic block diagram of a control system of the present invention;
FIG. 2 is a schematic diagram of a driver module circuit;
FIG. 3 is a schematic circuit diagram of a vehicle number detection module.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, an intelligent traffic signal lamp self-adaptive control system includes a main controller PLC, a power module, a touch screen, a controller DSP, a vehicle quantity detection module, a signal conditioning module, a sound detection module, a camera, an image analysis processing module, a Zigbee wireless communication module, an upper computer, a driving module, a bidirectional thyristor, a traffic signal lamp, and an FPGA fault detection module.
The main controller PLC is the core of the control system, and the main controller PLC is Siemens S7-400. The main controller PLC is connected with the controller DSP through an RS485 bus, the controller DSP is used for finishing the processing and operation of data and images, and the controller DSP adopts TMS320C 6748; the vehicle number detection module is connected with the controller DSP through the signal conditioning module; the camera is connected with the controller DSP through the image analysis processing module; the controller DSP and the upper computer carry out wireless communication through a Zigbee wireless communication module; the sound detection module and the power supply module are respectively connected with the controller DSP. The main controller PLC is connected with the bidirectional thyristor through the driving module, and the bidirectional thyristor is connected with the traffic signal lamp; the input end of the FPGA fault detection module is connected with a traffic signal lamp, the output end of the FPGA fault detection module is connected with a main controller PLC, and the FPGA adopts EP1C12Q240C 8. The power supply module is respectively connected with the main controller PLC and the bidirectional thyristor; the peripheral circuit of the main controller PLC also comprises a touch screen.
The power supply module is respectively connected with the main controller PLC, the controller DSP and the bidirectional thyristor and supplies power to the main controller PLC, the controller DSP and the bidirectional thyristor; the power supply module provides 220V alternating current, 24V direct current, 12V direct current and 5V direct current.
The sound detection module is used for detecting special vehicles, and if the special vehicles are detected, the emergency mode of special vehicle passing is carried out, so that the special vehicles can rapidly pass through, roads are automatically dredged, the emergency passing of the special vehicles is realized, and the passing capacity of the crossroad is greatly improved.
The controller DSP obtains traffic flow information waiting in a road through data processing calculation of received vehicle quantity information and video images and transmits the traffic flow information to the main controller PLC, and one side of the main controller PLC receives the traffic flow information transmitted by the controller DSP, and outputs corresponding control signals of traffic signal lamps through calculating green light release time in the direction. At intersections with larger traffic flow in the daytime, the green light passing time can be prolonged, and traffic jam is avoided; and when the traffic flow is relatively low at night, the turn-on and turn-off time of the traffic lights is controlled in a timing mode. The control signal output by the main controller PLC controls the on and off of the traffic signal lamp through the driving module, and the self-adaptive control of the traffic signal lamp is realized.
With reference to fig. 2, the driving module includes a 220V ac power supply, a 12V dc power supply, a 5V dc power supply, photocouplers U1, U2, U3, resistors R1, R2, R3, R4, R5, R6, R7, R8, a triac VT1, and a capacitor C1. The photoelectric coupler U1 is an optical coupler MOC3601, and the photoelectric couplers U2 and U3 are optical couplers PC 813. The triac VT1 is BTA 08. The 12V direct-current power supply is connected with one end of a resistor R1, the other end of the resistor R1 is connected with a pin 1 of a photoelectric coupler U1, a pin 2 of the photoelectric coupler U1 is connected with a driving signal output by a main controller PLC, a pin 6 of the photoelectric coupler U1 is connected with one end of a resistor R2, the other end of the resistor R2 is connected with a pin 2 of a bidirectional thyristor VT1 and one end of a resistor R4, a pin 4 of the photoelectric coupler U1 is connected with one end of the resistor R2 and a pin 3 of the bidirectional thyristor VT1, and the other end of the resistor R2 is connected with a pin 1 of the bidirectional thyristor VT 1; the other end of the resistor R4 is connected with one end of a capacitor C1, and the other end of the capacitor C1 is connected with a pin 1 of a bidirectional thyristor VT1, one end of a resistor R5, one end of a resistor R6, one end of a resistor R7 and one end of a resistor R8; the other end of the resistor R5 is connected with a pin 1 of a photoelectric coupler U2, the other end of the resistor R6 is connected with a pin 2 of the photoelectric coupler U2, a pin 3 of the photoelectric coupler U2 is grounded, and a pin 4 of the photoelectric coupler U2 is connected with a 5V direct-current power supply; the other end of the resistor R7 is connected with a pin 1 of a photoelectric coupler U3, the other end of the resistor R8 is connected with a pin 2 of the photoelectric coupler U3, a pin 3 of the photoelectric coupler U3 is grounded, and a pin 4 of the photoelectric coupler U3 is connected with a 5V direct-current power supply; the 2 feet of the photoelectric coupler U2 and the photoelectric coupler U3 are respectively connected with a traffic signal lamp.
The resistance value of the resistor R1 is 1.6 kilo-ohm, the resistance value of the resistor R2 is 300 ohms, the resistance value of the resistor R3 is 300 ohms, the resistance value of the resistor R4 is 30 ohms, the resistance value of the resistor R5 is 1 kilo-ohm, the resistance value of the resistor R6 is 1 kilo-ohm, the resistance value of the resistor R7 is 1 kilo-ohm, the resistance value of the resistor R8 is 1 kilo-ohm, and the capacitance value of the capacitor C1 is 0.01 uF.
The main controller PLC outputs a driving signal to drive the bidirectional thyristor through the MOC3061 optocoupler, a power resistor R6 is connected in series in an output circuit, and the value of the resistor is mainly the maximum power value of the current in the circuit and the resistor. When the traffic signal lamp is lighted, current flows in the line, a voltage is generated in the power resistor, the voltage enables the optical coupler in the power resistor to generate a corresponding signal, the detection signal is input into the FPGA fault detection module, the FPGA carries out corresponding analysis and judgment on the signal, and a detection result is transmitted to the main controller PLC. FPGA compares main control unit PLC's output signal with the feedback signal of this circuit, and the short circuit to ground and the broken string trouble of analysis circuit, the short circuit between two circuits of simultaneous analysis prevents phenomenons such as green conflict from appearing to pass to main control unit PLC with fault signal, so that main control unit PLC can in time make the fault handling, and give long-range host computer with signaling, remind personnel to in time maintain.
Referring to fig. 3, the vehicle number detection module includes a 12V dc power supply, resistors R9, R10, R11, R12, R13, R14, a transistor Q1, a transformer T1, an inductor L1, an operational amplifier U4, capacitors C2, C3, and zener diodes D1, D2, and D3. The transistor Q1 is an NPN transistor 8050, and the operational amplifier U4 is an AD 8073.
A 12V direct-current power supply is connected with one end of a resistor R9, one end of a resistor R10, one end of a resistor R11 and one end of a resistor R12, and the other end of the resistor R9 is grounded; the other end of the resistor R10 is connected with the output end of the operational amplifier U4; the other end of the resistor R11 is grounded with the collector of the triode Q1 and one end of the capacitor C2, and the other end of the capacitor C2 is grounded; the other end of the resistor R12 is connected with the base electrode of a triode Q1, the emitter electrode of the triode Q1 is connected with one end of the primary winding of the transformer T1, the anode of a voltage stabilizing diode D1 and one end of a resistor R13, and the capacitor C3 is connected between the collector electrode and the emitter electrode of the triode Q1 in parallel; the cathode of a voltage-stabilizing diode D1 is connected with the anode of a voltage-stabilizing diode D2, the cathode of a voltage-stabilizing diode D2 is connected with the other end of the primary winding of a transformer T1, the two ends of the secondary winding of the transformer T1 are connected with the two ends of a ground induction coil L1, and the two ends of a voltage-stabilizing diode D3 are respectively connected with the two ends of the secondary winding of the transformer T1; the other end of the resistor R13 is connected with the non-inverting input end of the operational amplifier U4, the inverting input end of the operational amplifier U4 is connected with one end of the resistor R14, and the other end of the resistor R14 is grounded.
Wherein the resistance of the resistor R9 is 10 kilo-ohms, the resistance of the resistor R10 is 10 kilo-ohms, the resistance of the resistor R11 is 10 kilo-ohms, the resistance of the resistor R12 is 10 kilo-ohms, the resistance of the resistor R13 is 10 kilo-ohms, and the resistance of the resistor R14 is 10 kilo-ohms. The capacitance C2 has a capacitance of 15pF, and the capacitance C3 has a capacitance of 15 pF. Zener diode D1 is SA48, zener diode D2 is diode SA48, and zener diode D3 is diode P6KE12 CA.
The vehicle quantity detection module adopts a ground induction coil detector to detect a vehicle, the sensor is buried under a road, when the vehicle passes through the annular ground induction coil, the ground induction coil is connected with working current, when the vehicle passes through the annular ground induction coil, a vehicle body which takes iron as a main material cuts a magnetic induction line, the loop current of the induction coil is changed, the inductance value is reduced, the oscillation frequency of a coupling circuit is increased, and when the vehicle leaves the coil, the induction current is changed, the inductance value is increased, and the oscillation frequency is recovered.
The control chip of the vehicle number detection module adopts a controller DSP, and the controller DSP receives vehicle number information and processes video images. The controller DSP receives the vehicle quantity information received by the ZigBee wireless communication module, and processes the quantity data through a corresponding algorithm, so that the quantity precision is improved, a lane where the vehicle is located is identified, and the traffic flow and other related information are counted.
To sum up, the embodiment of the utility model provides an intelligent traffic signal lamp adaptive control system, with main control unit PLC as the core control ware, through controller DSP detection vehicle quantity information and video image processing, bidirectional thyristor signal drive module, FPGA fault detection and feedback, the control signal of main control unit PLC output passes through drive module, controls the bright or dark of traffic signal lamp, realizes traffic signal lamp's adaptive control; the utility model discloses can carry out real time monitoring and prediction to the traffic developments to show and promote traffic operating efficiency.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. An intelligent traffic signal lamp self-adaptive control system is characterized in that:
the system comprises a main controller PLC, a driving module, a bidirectional thyristor, a traffic signal lamp, a touch screen, a controller DSP, a vehicle number detection module, a signal conditioning module, a camera, an image analysis processing module, a Zigbee wireless communication module and an upper computer;
the main controller PLC is connected with the bidirectional thyristor through the driving module, and the bidirectional thyristor is connected with the traffic signal lamp;
the controller DSP is connected with the main controller PLC; the vehicle number detection module is connected with the controller DSP through the signal conditioning module; the camera is connected with the controller DSP through the image analysis processing module; the controller DSP is in wireless communication with the upper computer through the Zigbee wireless communication module;
and the peripheral circuit of the master controller PLC comprises a touch screen, and the touch screen is connected with the master controller PLC.
2. The adaptive control system for the intelligent traffic signal lamp as recited in claim 1, further comprising a power module, wherein the power module is respectively connected with the main controller PLC, the controller DSP, and the triac for supplying power to the main controller PLC, the controller DSP, and the triac; the power supply module provides 220V alternating current, 24V direct current, 12V direct current and 5V direct current.
3. The adaptive control system for intelligent traffic signal lamps as claimed in claim 2, wherein the driving module comprises a 220V ac power supply, a 12V dc power supply, a 5V dc power supply, photocouplers U1, U2, U3, resistors R1, R2, R3, R4, R5, R6, R7, R8, a triac VT1, a capacitor C1;
the photoelectric coupler U1 is an optocoupler MOC3601, the photoelectric couplers U2 and U3 are optocouplers PC813, and the bidirectional thyristor VT1 is BTA 08;
the 12V direct-current power supply is connected with one end of a resistor R1, the other end of the resistor R1 is connected with a pin 1 of a photoelectric coupler U1, a pin 2 of the photoelectric coupler U1 is connected with a driving signal output by a main controller PLC, a pin 6 of the photoelectric coupler U1 is connected with one end of a resistor R2, the other end of the resistor R2 is connected with a pin 2 of a bidirectional thyristor VT1 and one end of a resistor R4, a pin 4 of the photoelectric coupler U1 is connected with one end of the resistor R2 and a pin 3 of the bidirectional thyristor VT1, and the other end of the resistor R2 is connected with a pin 1 of the bidirectional thyristor VT 1; the other end of the resistor R4 is connected with one end of a capacitor C1, and the other end of the capacitor C1 is connected with a pin 1 of a bidirectional thyristor VT1, one end of a resistor R5, one end of a resistor R6, one end of a resistor R7 and one end of a resistor R8; the other end of the resistor R5 is connected with a pin 1 of a photoelectric coupler U2, the other end of the resistor R6 is connected with a pin 2 of the photoelectric coupler U2, a pin 3 of the photoelectric coupler U2 is grounded, and a pin 4 of the photoelectric coupler U2 is connected with a 5V direct-current power supply; the other end of the resistor R7 is connected with a pin 1 of a photoelectric coupler U3, the other end of the resistor R8 is connected with a pin 2 of the photoelectric coupler U3, a pin 3 of the photoelectric coupler U3 is grounded, and a pin 4 of the photoelectric coupler U3 is connected with a 5V direct-current power supply; the 2 feet of the photoelectric coupler U2 and the photoelectric coupler U3 are respectively connected with a traffic signal lamp.
4. The adaptive control system for the intelligent traffic signal lamp as claimed in claim 2, wherein the vehicle number detection module comprises a 12V DC power supply, resistors R9, R10, R11, R12, R13, R14, a triode Q1, a transformer T1, an inductance coil L1, an operational amplifier U4, capacitors C2 and C3, and voltage stabilizing diodes D1, D2 and D3;
the 12V direct-current power supply is connected with one end of a resistor R9, one end of a resistor R10, one end of a resistor R11 and one end of a resistor R12, and the other end of the resistor R9 is grounded; the other end of the resistor R10 is connected with the output end of the operational amplifier U4; the other end of the resistor R11 is grounded with the collector of the triode Q1 and one end of the capacitor C2, and the other end of the capacitor C2 is grounded; the other end of the resistor R12 is connected with the base electrode of a triode Q1, the emitter electrode of the triode Q1 is connected with one end of the primary winding of the transformer T1, the anode of a voltage stabilizing diode D1 and one end of a resistor R13, and the capacitor C3 is connected between the collector electrode and the emitter electrode of the triode Q1 in parallel; the cathode of a voltage-stabilizing diode D1 is connected with the anode of a voltage-stabilizing diode D2, the cathode of a voltage-stabilizing diode D2 is connected with the other end of the primary winding of a transformer T1, the two ends of the secondary winding of the transformer T1 are connected with the two ends of a ground induction coil L1, and the two ends of a voltage-stabilizing diode D3 are respectively connected with the two ends of the secondary winding of the transformer T1; the other end of the resistor R13 is connected with the non-inverting input end of the operational amplifier U4, the inverting input end of the operational amplifier U4 is connected with one end of the resistor R14, and the other end of the resistor R14 is grounded.
5. The adaptive control system for intelligent traffic signal lights as claimed in claim 4, wherein the transistor Q1 is NPN transistor 8050 and the operational amplifier U4 is LM 293.
6. The adaptive control system for intelligent traffic signal lamps as claimed in claim 1, wherein the master controller PLC is siemens S7-400.
7. The adaptive control system for intelligent traffic signal lamps as claimed in claim 6, wherein said controller DSP employs TMS320C 6748.
8. The adaptive control system for intelligent traffic signal lamps as claimed in claim 7, wherein the master controller PLC and the controller DSP are connected through RS485 bus.
9. The adaptive control system for the intelligent traffic signal lamp as claimed in claim 1, wherein an FPGA fault detection module is connected between the main controller PLC and the traffic signal lamp, and the FPGA adopts EP1C12Q240C 8.
10. The adaptive control system for intelligent traffic signal lamps as claimed in claim 1, wherein the sound detection module is connected with the controller DSP.
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| CN201920934626.8U CN209962414U (en) | 2019-06-20 | 2019-06-20 | Intelligent traffic signal lamp self-adaptive control system |
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| CN201920934626.8U CN209962414U (en) | 2019-06-20 | 2019-06-20 | Intelligent traffic signal lamp self-adaptive control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942169A (en) * | 2021-03-07 | 2021-06-11 | 广东省高速公路有限公司京珠北分公司 | Road maintenance operation acousto-optic warning system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112942169A (en) * | 2021-03-07 | 2021-06-11 | 广东省高速公路有限公司京珠北分公司 | Road maintenance operation acousto-optic warning system and method |
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