CN207280304U - A kind of scout missile steering gear control system - Google Patents
A kind of scout missile steering gear control system Download PDFInfo
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- CN207280304U CN207280304U CN201721440525.2U CN201721440525U CN207280304U CN 207280304 U CN207280304 U CN 207280304U CN 201721440525 U CN201721440525 U CN 201721440525U CN 207280304 U CN207280304 U CN 207280304U
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Abstract
A kind of scout missile steering gear control system is the utility model is related to, belongs to automation field, including main control module, drive module, power module and steering engine；Main control module is used to produce pwm signal and enable signal；Power module includes No. 4 potentiometer power supply circuits and powers to main control module and drive module；Drive module includes：4 tunnel H-bridge drive circuits, pwm signal and enable signal control steering engine for receiving and processing main control module generation carry out designated movement, while carry out working status feedback, 4 road H bridge current feedback signal Acquisition Circuits to main control module：For sampling the current feedback signal in steering engine, and main control module is fed back to, No. 4 potentiometer feedback signal Acquisition Circuits：For sampling the potentiometer feedback signal in steering engine, and feed back to main control module；Main control module carries out data acquisition by double-closed-loop control algorithm again, is circulated with this, realizes the control system that Single Controller controls 4 steering engines.
Description
Technical field
Automatic control technology field is the utility model is related to, more particularly to a kind of scout missile steering gear control system.
Background technology
Steering gear control system is the executing agency of scout missile control system, and steering engine controller connects in scout missile flight course
The angle of rudder reflection signal of missile-borne computer is received, control motor rotation, so as to drive steering engine to deflect, produces the control moment needed for body
Control projectile flight.Scout missile is small, light-weight, precision prescribed is high, and front wing aileron, empennage aileron need 4 steering engine controls altogether
System, and general electric steering engine is control of the single controller to single steering engine, volume is big, weight is heavy and precision is not high, so this
Kind method is not applied to, it is necessary to develop the control system that single steering engine controller controls multiple steering engines.
The content of the invention
The purpose of this utility model is that：A kind of scout missile steering gear control system, solves single controller to single steering engine control
The problem of molding co-volume is big, weight weight and precision be not high, the utility model provide a kind of energy 4 rudders of independent control at the same time
Machine, practical, compact steering gear control system.
The technical solution adopted in the utility model is as follows：
A kind of scout missile steering gear control system, including main control module, drive module, power module and steering engine；
Main control module：For producing pwm signal and enable signal；
Power module：For to main control module and drive module power supply；
Drive module includes：
4 tunnel H-bridge drive circuits, for receiving and processing the pwm signal and enable signal control steering engine of main control module generation
Designated movement is carried out, while working status feedback is carried out to main control module；
4 road H bridge current feedback signal Acquisition Circuits：For sampling the current feedback signal in steering engine, and feed back to master control
Module；
No. 4 potentiometer feedback signal Acquisition Circuits：For sampling the potentiometer feedback signal in steering engine, and feed back to master control
Module.
The steering engine includes No. 4 actuating unit motors, and No. 4 actuating unit motors are brushed DC motor.
The main control module uses dsp processor chip TMS320F28335.
The power module includes No. 4 potentiometer power supply circuits, using DC-DC power module.
4 tunnel H-bridge drive circuit includes H bridge chips and signal isolator, the signal that main control module produces through signal every
From controlling H bridge chips to produce control signal control steering engine after device, the H bridge chips use MC33931 model driving chips；It is described
Signal isolator is isolated using photo-coupler.
The 4 road H bridge current feedback signals Acquisition Circuit includes current feedback modulate circuit, and the electric current in H bridge chips is adopted
After egf block sampling steering engine electric current main control module is fed back to through overcurrent feedback modulate circuit.
No. 4 potentiometer feedback signal Acquisition Circuit includes potentiometer feedback modulate circuit, and the potentiometer in steering engine is anti-
Feedback signal feeds back to main control module by potentiometer feedback modulate circuit.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
A kind of scout missile steering gear control system, realizes the control system that Single Controller controls 4 steering engines, meets and patrol
For fly bomb to steering engine controller small size, lighting, high-precision requirement, the weight for mitigating scout missile, increases effectively fight
Portion's weight, improving scout missile accuracy at target has positive effect.
Brief description of the drawings
The utility model illustrates mode by referring to accompanying drawing, wherein：
Fig. 1 is a kind of theory of constitution block diagram of scout missile steering gear control system.
Embodiment
All features disclosed in this specification, in addition to mutually exclusive feature, can combine in any way.
Elaborate with reference to Fig. 1 to the utility model.
A kind of scout missile steering gear control system, including main control module, drive module, power module and steering engine；
Main control module：For producing pwm signal and enable signal；
Power module：For to main control module and drive module power supply；
Drive module includes：
4 tunnel H-bridge drive circuits, for receiving and processing the pwm signal and enable signal control steering engine of main control module generation
Designated movement is carried out, while working status feedback is carried out to main control module；
4 road H bridge current feedback signal Acquisition Circuits：For sampling the current feedback signal in steering engine, and feed back to master control
Module；
No. 4 potentiometer feedback signal Acquisition Circuits：For sampling the potentiometer feedback signal in steering engine, and feed back to master control
Module.
Steering engine includes No. 4 actuating unit motors, and No. 4 actuating unit motors are brushed DC motor, because brushed DC is electric
Machine has the performance characteristics such as low speed torsion excellent performance, torque be big, and brshless DC motor is although easy to maintain, service life length,
But it is higher relative to brushed DC motor cost, and scout missile and need not be used for multiple times for a long time, therefore select having for low cost
Brushless motor.
Main control module uses the dsp processor chip TMS320F28335 of TI, and PWM1 is produced by double-closed-loop control algorithm
Signal, PWM2 signals and enable signal；Double-closed-loop control algorithm includes current closed-loop and position closed loop, using pi regulator plus before
The control mode of feedback, current closed-loop strengthen the anti-disturbance ability of steering engine, and position closed loop completes the tracking of position command.
Power module includes No. 4 potentiometer power supply circuits, using DC-DC power module, converts battery voltage to 5V, warp
To main control module, drive module, potentiometer and steering engine power supply after the filtering process such as capacitance, inductance.
4 tunnel H-bridge drive circuits include H bridge chips and signal isolator, and the signal that main control module produces is through signal isolator
H bridge chips are controlled to produce control signal control steering engine afterwards, H bridge chips use the MC33931 model driving chips of NXP, chipset
Into H bridges and load detecting circuit, 5~28V of supply voltage, load current 5A, PWM ripple signal frequency 11kHz, the chip integration
Height can meet at present the needs of to servos control；Signal isolator is isolated using photo-coupler；What main control module produced
PWM1 signals, PWM2 signals and enable signal, controlled after signal isolator H bridge chips produce servos control signal OUT1,
OUT2 control steering engines carry out designated movement；The feedback of status of H bridge chips MC33931 feeds back to main control module after light-coupled isolation
Digital quantity input port, main control module with this obtain H bridge chips work it is whether normal.
4 road H bridge current feedback signals Acquisition Circuits include current feedback modulate circuit, the current sample mould in H bridge chips
The ADC interface of main control module is fed back to after block sampling steering engine electric current through overcurrent feedback modulate circuit, main control module is obtained with this
Current of electric, and as the current feedback of closed-loop current control, strengthen the anti-disturbance ability of steering engine.
No. 4 potentiometer feedback signal Acquisition Circuits include potentiometer feedback modulate circuit, the potentiometer feedback letter in steering engine
Number sampled after potentiometer feeds back modulate circuit by main control module as position sampled signal, and as position-force control
Position is fed back, and completes the tracking of position command.
Finally, main control module carries out data acquisition to both feedback signals by double-closed-loop control algorithm, then produces PWM
Ripple controls steering engine, is circulated with this, realizes the control system that Single Controller controls 4 steering engines.
Claims (7)
- A kind of 1. scout missile steering gear control system, it is characterised in that：Including main control module, drive module, power module and steering engine；Main control module：For producing pwm signal and enable signal；Power module：For to main control module and drive module power supply；Drive module includes：4 tunnel H-bridge drive circuits, pwm signal and enable signal control steering engine for receiving and processing main control module generation carry out Designated movement, while carry out working status feedback to main control module；4 road H bridge current feedback signal Acquisition Circuits：For sampling the current feedback signal in steering engine, and feed back to main control module；No. 4 potentiometer feedback signal Acquisition Circuits：For sampling the potentiometer feedback signal in steering engine, and feed back to master control mould Block.
- A kind of 2. scout missile steering gear control system according to claim 1, it is characterised in that：The steering engine is moved including 4 tunnels Force mechanisms motor, No. 4 actuating unit motors are brushed DC motor.
- A kind of 3. scout missile steering gear control system according to claim 1, it is characterised in that：The main control module uses Dsp processor chip TMS320F28335.
- A kind of 4. scout missile steering gear control system according to claim 1, it is characterised in that：The power module includes 4 Road potentiometer power supply circuit, using DC-DC power module.
- A kind of 5. scout missile steering gear control system according to claim 1, it is characterised in that：4 tunnel H-bridge drive circuit Including H bridge chips and signal isolator, the signal that main control module produces produces control letter through signal isolator, control H bridge chips Number control steering engine, the H bridge chips use MC33931 model driving chips；The signal isolator is carried out using photo-coupler Isolation.
- A kind of 6. scout missile steering gear control system according to claim 5, it is characterised in that：The 4 road H bridge current feedbacks Signal acquisition circuit includes current feedback modulate circuit, by electricity after the current sample module samples steering engine electric current in H bridge chips Stream feedback modulate circuit feeds back to main control module.
- A kind of 7. scout missile steering gear control system according to claim 1, it is characterised in that：No. 4 potentiometer feedback Signal acquisition circuit includes potentiometer feedback modulate circuit, and the potentiometer feedback signal in steering engine is by potentiometer feedback conditioning electricity Road feeds back to main control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721440525.2U CN207280304U (en) | 2017-10-27 | 2017-10-27 | A kind of scout missile steering gear control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721440525.2U CN207280304U (en) | 2017-10-27 | 2017-10-27 | A kind of scout missile steering gear control system |
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| CN207280304U true CN207280304U (en) | 2018-04-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108762130A (en) * | 2018-04-28 | 2018-11-06 | 北京机械设备研究所 | A kind of highly integrated DC servo electric steering engine control device and method |
-
2017
- 2017-10-27 CN CN201721440525.2U patent/CN207280304U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108762130A (en) * | 2018-04-28 | 2018-11-06 | 北京机械设备研究所 | A kind of highly integrated DC servo electric steering engine control device and method |
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