CN207989150U - A kind of engine governor self-tuning controller - Google Patents
A kind of engine governor self-tuning controller Download PDFInfo
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- CN207989150U CN207989150U CN201820356400.XU CN201820356400U CN207989150U CN 207989150 U CN207989150 U CN 207989150U CN 201820356400 U CN201820356400 U CN 201820356400U CN 207989150 U CN207989150 U CN 207989150U
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- electrical machinery
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- speed
- circuit
- angle electrical
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- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The utility model discloses a kind of engine governor self-tuning controllers, including controller, driver, angle electrical machinery；The input terminal of controller is connected with the speed probe for acquiring engine rotational speed signal, and the output end of controller is connected with driver, and driver is connected with angle electrical machinery, and angle electrical machinery is mechanically coupled with engine；The driver includes sequentially connected position ring error amplifier, speed ring error amplifier, electric current loop error amplifier, and electric current loop error amplifier is connected with PWM drive circuit, and PWM drive circuit is connected with angle electrical machinery.The utility model detaches control parameter PID according to rotating speed deviation size, and deviation is divided position, speed, electric current, disturbs that small, stability is good when realizing little deviations by setting different control parameter, and when large deviation quickly eliminates deviation, speed efficiency Gao Ding.
Description
Technical field
The utility model is related to a kind of engine governor self-tuning controllers, belong to technical field of engine control.
Background technology
When outer load changes, the output torque of engine can change, and rotating speed also correspondingly changes, by
This can cause diesel engine the case where stall, bored vehicle and oil consumption increase occur.Therefore, the stabilization of rotary speed of diesel engine is kept
Property is very important.When operating mode changes, and needs change system working parameters, it is necessary to change its work and turn
Speed, existing Motronic control maps speed regulation device, speed regulation accuracy, speed governing reliability are poor, and the performance that cannot be satisfied generating set is wanted
It asks.
Invention content
Goal of the invention：In view of the deficiencies of the prior art, the utility model provides a kind of engine governor self-regulation control
Device, adaptive ability is strong, and speed governing is reliable and stable.
Technical solution：Engine governor self-tuning controller described in the utility model, including controller, driver,
Angle electrical machinery；The input terminal of controller is connected with the speed probe for acquiring engine rotational speed signal, the output of controller
End is connected with driver, and driver is connected with angle electrical machinery, and angle electrical machinery is mechanically coupled with engine；The driver include according to
Position ring error amplifier, speed ring error amplifier, the electric current loop error amplifier of secondary connection, electric current loop error amplifier with
PWM drive circuit is connected, and PWM drive circuit is connected with angle electrical machinery.Controller output current signal is to driver, driver pair
The signal carries out the current signal correction of position feed back signal, speed signal and angle electrical machinery, and sends one to angle electrical machinery
A pulse width modulation electrical current signal, mechanical rotation amount（Corner）Be entered as proportionate relationship.
Above-mentioned technical proposal is further improved, the controller includes frequency-voltage conversion circuit, rotating speed benchmark setting electricity
Road, summing circuit, amplifier, the input terminal of frequency-voltage conversion circuit is connected with the speed probe, output end and summation
The inverting input of circuit is connected, and the rotating speed benchmark initialization circuit is connected with the normal phase input end of summing circuit, summing circuit
Output end be connected with amplifier.The rotating speed of speed probe induction generator, generation one are proportional to engine speed
AC signal, frequency-voltage conversion circuit receive tach signal and are converted into d. c. voltage signal to summing circuit, rotating speed
Benchmark initialization circuit generates a rotary speed setting signal, and d. c. voltage signal and rotary speed setting signal are compared in summing circuit
Compared with if d. c. voltage signal is below or above rotary speed setting signal, resulting deviation signal is sent to amplifier, the output phase
That answers increases or decreases the control signal of rotating speed, and engine is made to be run by setting speed under certain load.
Further, the angle electrical machinery is internally provided with angular position sensor, angular position sensor and the driving
Device is connected, the position and speed for feeding back angle electrical machinery.The rotating speed position sensor is mounted on turning for the angle electrical machinery
Sub- end forms electrical isolation with driver.The function of driver is to be properly received angle electrical machinery target position signal, according to turn
The actual position signal of angle motor feedback calculates controlled quentity controlled variable, and driving angle electrical machinery accurately follows target location, to control hair
Motivation stable operation under two kinds of operating statuses of idling operation and declared working condition.
Further, automatic circuit breaker is equipped in the output circuit of the controller.It is prevented for protection controller
It is influenced by short circuit and overload, by being provided with automatic circuit breaker, after short circuit or overload are repaired, circuit-breaker is certainly
It is dynamic to restore.
Advantageous effect：Compared with prior art, the advantages of the utility model：The utility model is according to rotating speed deviation size pair
Control parameter PID is detached, and deviation is divided position, speed, electric current, small partially by the control parameter realization for setting different
Disturb that small, stability is good when poor, when large deviation quickly eliminates deviation, and speed efficiency is high.PID parameters are repaiied according to payload
Just, it is to be modified to PID parameters in angle electrical machinery position in entire load range, solves engine speed in load
When variation the problem of energy fast and stable, rotating speed is set to be run in former setting speed value, adaptive ability is strong.
Description of the drawings
Fig. 1 is the principles of the present invention block diagram；
Fig. 2 is the circuit diagram of the utility model driver.
Specific implementation mode
Technical solutions of the utility model are described in detail below by attached drawing.
Embodiment 1：Engine governor self-tuning controller as shown in Figure 1 and Figure 2, including controller, driver, turn
Angle motor；Controller includes frequency-voltage conversion circuit, rotating speed benchmark initialization circuit, summing circuit, amplifier, frequency-voltage
The input terminal of conversion circuit is connected with speed probe, output end is connected with the inverting input of summing circuit, and rotating speed benchmark is set
Determine circuit with the normal phase input end of summing circuit to be connected, the output end of summing circuit is connected with amplifier, the output electricity of controller
Automatic circuit breaker is equipped in road.Angle electrical machinery is internally provided with angular position sensor, angular position sensor and driver
It is connected, the position and speed for feeding back angle electrical machinery, rotating speed position sensor is mounted on the Rotor terminal of angle electrical machinery, with drive
Dynamic device forms electrical isolation.
The input terminal of controller is connected with the speed probe for acquiring engine rotational speed signal, the output end of controller
It is connected with driver, driver is connected with angle electrical machinery, and angle electrical machinery is mechanically coupled with engine；Driver includes being sequentially connected
Position ring error amplifier, speed ring error amplifier, electric current loop error amplifier, the output of previous ring is the latter ring
Control targe amount, control duty ratio is finally exported by electric current loop, electric current loop error amplifier is connected with PWM drive circuit, PWM
Driving circuit is connected with angle electrical machinery.
As described above, although the utility model has been indicated and described with reference to specific preferred embodiment, it must not
It is construed to the limitation to the utility model itself.In the spirit and scope for not departing from the utility model that appended claims define
Under the premise of, it can various changes can be made in the form and details to it.
Claims (5)
1. a kind of engine governor self-tuning controller, it is characterised in that：Including controller, driver, angle electrical machinery；Control
The input terminal of device is connected with the speed probe for acquiring engine rotational speed signal, output end and the driver phase of controller
Even, driver is connected with angle electrical machinery, and angle electrical machinery is mechanically coupled with engine；The driver includes sequentially connected position
Ring error amplifier, speed ring error amplifier, electric current loop error amplifier, electric current loop error amplifier and PWM drive circuit
It is connected, PWM drive circuit is connected with angle electrical machinery.
2. engine governor self-tuning controller according to claim 1, it is characterised in that：The controller includes frequency
Rate-voltage conversion circuit, rotating speed benchmark initialization circuit, summing circuit, amplifier, the input terminal of frequency-voltage conversion circuit with
The speed probe be connected, output end be connected with the inverting input of summing circuit, the rotating speed benchmark initialization circuit with ask
It is connected with the normal phase input end of circuit, the output end of summing circuit is connected with amplifier.
3. engine governor self-tuning controller according to claim 1, it is characterised in that：Inside the angle electrical machinery
Equipped with angular position sensor, angular position sensor is connected with the driver, the position for feeding back angle electrical machinery and speed
Degree.
4. engine governor self-tuning controller according to claim 3, it is characterised in that：The rotating speed position sensing
Device is mounted on the Rotor terminal of the angle electrical machinery, and electrical isolation is formed with driver.
5. engine governor self-tuning controller according to claim 1, it is characterised in that：The output of the controller
Automatic circuit breaker is equipped in circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820356400.XU CN207989150U (en) | 2018-03-15 | 2018-03-15 | A kind of engine governor self-tuning controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820356400.XU CN207989150U (en) | 2018-03-15 | 2018-03-15 | A kind of engine governor self-tuning controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207989150U true CN207989150U (en) | 2018-10-19 |
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ID=63828178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820356400.XU Active CN207989150U (en) | 2018-03-15 | 2018-03-15 | A kind of engine governor self-tuning controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207989150U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828179A (en) * | 2020-07-23 | 2020-10-27 | 陕西国防工业职业技术学院 | Output power speed regulator of heat energy power engine |
| CN112748568A (en) * | 2020-12-31 | 2021-05-04 | 歌尔股份有限公司 | MEMS scanning mirror and laser projector |
-
2018
- 2018-03-15 CN CN201820356400.XU patent/CN207989150U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828179A (en) * | 2020-07-23 | 2020-10-27 | 陕西国防工业职业技术学院 | Output power speed regulator of heat energy power engine |
| CN112748568A (en) * | 2020-12-31 | 2021-05-04 | 歌尔股份有限公司 | MEMS scanning mirror and laser projector |
| CN112748568B (en) * | 2020-12-31 | 2023-09-12 | 歌尔股份有限公司 | MEMS scanning mirror and laser projector |
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