CN114488842A - Simulation test system and method for electronic speed regulator of diesel engine - Google Patents
Simulation test system and method for electronic speed regulator of diesel engine Download PDFInfo
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- CN114488842A CN114488842A CN202110466984.2A CN202110466984A CN114488842A CN 114488842 A CN114488842 A CN 114488842A CN 202110466984 A CN202110466984 A CN 202110466984A CN 114488842 A CN114488842 A CN 114488842A
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Abstract
The invention relates to a simulation test system and a method of an electronic speed regulator of a diesel engine, wherein the simulation test system comprises the electronic speed regulator to be tested, an upper computer and a diesel engine simulation module, wherein the diesel engine simulation module comprises a simulation controller, a motor driver, a direct-current servo motor, a rotating speed sensor arranged at the speed measuring flywheel part of the direct-current servo motor and a photoelectric encoder arranged at the output shaft of the direct-current servo motor; the simulation controller is used for driving the direct current servo motor through the motor driver to simulate the operation of the diesel engine according to the accelerator opening signal and the driving current signal based on a cascade control mode; and the upper computer is used for monitoring the rotating speed signal of the direct current servo motor, monitoring the opening degree signal of the accelerator and outputting a monitoring result. By implementing the technical scheme of the invention, the reliability of nuclear safety related equipment is improved, and the safe and stable operation of the diesel engine is ensured. Moreover, the system is provided with the rotating speed sensor, so that the rotating speed signal can be really and effectively identified.
Description
Technical Field
The invention relates to the field of nuclear power, in particular to a simulation test system and method for an electronic speed regulator of a diesel engine.
Background
The electronic speed regulator for diesel engine is a precise controller for stably controlling the engine to run at set working speed, and adopts PID algorithm and closed-loop control strategy to make the engine speed in dynamic balance state.
In order to adapt to the working condition of the diesel engine, the influence of key parameters of the electronic speed regulator on the speed regulation performance needs to be analyzed, so that the operation of the diesel engine can meet the requirements of steady state and dynamic state. The conventional method is to directly perform parameter setting, performance testing, fault detection and the like of the electronic speed regulator on the diesel engine, but the method has low efficiency, is unsafe and uneconomical, and an end user does not have a professional diesel engine test platform and equipment.
At present, a Simulink simulation tool is mostly utilized for simulation of an electronic speed regulator of a diesel engine, dynamic system modeling is realized based on a block diagram design environment of MATLAB, and the engineering idea is to establish a dynamic simulation model of the full working range of the diesel engine and connect the dynamic simulation model with the electronic speed regulator through an input-output interface to form a closed-loop control system, so that the function and performance test of the electronic speed regulator is completed. However, the system does not have a gear rotation speed sensor part (one of the components of the electronic speed regulation system) connected thereto, and only sends an ideal sensor waveform signal to the controller of the electronic speed regulator, so that the simulation system cannot judge the following conditions: the speed signal is lost, the waveform is distorted, the requirements of the amplitude and the real-time property of the speed signal cannot be obtained, and in addition, the effectiveness of a speed signal processing circuit in the electronic speed regulator cannot be identified.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a simulation test system and method for an electronic speed regulator of a diesel engine, aiming at the above-mentioned defects existing in the prior art.
The technical scheme adopted by the invention for solving the technical problem is as follows: the simulation test system of the diesel engine electronic speed regulator is constructed, and comprises the electronic speed regulator to be tested, an upper computer and a diesel engine simulation module, wherein the diesel engine simulation module comprises a simulation controller, a motor driver, a direct current servo motor, a rotating speed sensor arranged at a speed measuring flywheel part of the direct current servo motor, and a photoelectric encoder arranged at an output shaft of the direct current servo motor;
the feedback end of the electronic speed regulator is connected with the output end of the photoelectric encoder, and the output end of the electronic speed regulator is connected to the simulation controller;
the simulation controller is used for driving the direct current servo motor through the motor driver to simulate the operation of a diesel engine according to an accelerator opening signal output by the electronic speed regulator and a driving current signal of the direct current servo motor based on a cascade control mode;
and the upper computer is used for monitoring the rotating speed signal of the direct current servo motor through the rotating speed sensor, monitoring the throttle opening degree signal through the simulation controller and outputting a monitoring result.
Preferably, the upper computer is further configured to generate a rotation speed curve according to the rotation speed signal, generate an accelerator opening curve according to the accelerator opening signal, and output the rotation speed curve and the accelerator opening curve.
Preferably, the electronic governor includes a rotational speed controller, an electromagnetic actuator, and a displacement sensor, which are connected in sequence, and,
the upper computer is also used for monitoring the rotating speed signal input to the rotating speed controller, the PWM signal output by the rotating speed controller and the execution current signal of the electromagnetic actuator and outputting a monitoring result.
Preferably, the upper computer is further configured to generate a PWM signal curve according to the PWM signal, generate an execution current curve according to the execution current signal, and output the PWM signal curve and the execution current curve.
Preferably, the simulation controller is used for driving the direct current servo motor through the motor driver so as to simulate steady-state operation of the diesel engine and/or dynamic operation of a load sudden change process.
The invention also constructs a simulation test method of the diesel engine electronic speed regulator, which is applied to the simulation test system and comprises the following steps:
The simulation controller drives the direct current servo motor through a motor driver according to an accelerator opening signal output by the electronic speed regulator and a driving current signal of the direct current servo motor based on a cascade control mode so as to simulate the operation of the diesel engine;
the upper computer monitors the rotating speed signal of the direct current servo motor through a rotating speed sensor, monitors the throttle opening degree signal through the simulation controller, and outputs a monitoring result.
Preferably, the method further comprises the following steps:
the upper computer generates a rotating speed curve according to the rotating speed signal, generates an accelerator opening curve according to the accelerator opening signal, and outputs the rotating speed curve and the accelerator opening curve.
Preferably, the method further comprises the following steps:
the upper computer monitors the rotating speed signal input to the rotating speed controller of the electronic speed regulator, the PWM signal output by the rotating speed controller and the execution current signal of the electromagnetic actuator of the electronic speed regulator and outputs a monitoring result.
Preferably, the method further comprises the following steps:
the upper computer generates a PWM signal curve according to the PWM signal, generates an execution current curve according to the execution current signal, and outputs the PWM signal curve and the execution current curve
Preferably, the driving the dc servo motor by the motor driver to simulate the operation of the diesel engine includes:
And driving the direct current servo motor through the motor driver so as to simulate steady-state operation of the diesel engine and/or dynamic operation of a load sudden change process.
The technical scheme provided by the invention can test the performance of the electronic speed regulator and detect key parameters in an off-line state, thereby improving the reliability of nuclear safety related equipment and ensuring the safe and stable operation of the diesel engine. And because the system is provided with the rotating speed sensor, the rotating speed signal can be really and effectively identified, the conditions of the loss of the rotating speed signal and the waveform distortion can be timely judged, and meanwhile, the effectiveness of a rotating speed signal processing circuit of the electronic speed regulator can also be identified.
Drawings
In order to illustrate the embodiments of the invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the invention, and that other drawings may be derived from those drawings by a person skilled in the art without inventive effort. In the drawings:
FIG. 1 is a logic structure diagram of a simulation test system of an electronic speed regulator of a diesel engine according to a first embodiment of the invention;
Fig. 2 is a flow chart of a first embodiment of the simulation test method of the electronic speed regulator of the diesel engine.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
First, taking TBD234V8 diesel engine and ESG1000 type electronic governor as an example, the core of the electronic governor is to adopt a PID regulation method in the automatic control field, and to stabilize the engine oil quantity at a set rotation speed value by real-time regulation, and the electronic governor needs to perform performance tests before shipping and after maintenance to set appropriate control parameters to meet the regulation performance. Meanwhile, because the control object is a diesel engine, the number of cylinders, ignition characteristic, rotation unevenness, load characteristic and mechanical abrasion of the engine can all affect the speed regulation performance, and the terminal user can only directly perform parameter setting, performance test and performance recovery after maintenance on the diesel engine, so that the efficiency is low, unsafe and uneconomical, and the terminal user does not have a professional diesel engine test bed and equipment, thereby bringing difficulty to overhaul and maintain the electronic speed regulator of the diesel engine.
The semi-physical simulation is an indispensable link before the actual machine matching test of the speed regulator, the performance of the electronic speed regulator is tested in an off-line state, and key parameters are detected and adjusted, so that the electronic speed regulator can be more conveniently checked for faults and fault points.
The invention constructs a semi-physical simulation platform of a hydraulic test pump diesel engine speed regulating system, takes a TBD234V8 diesel engine and an ESG1000 type electronic speed regulator as objects, and accesses the whole set of electronic speed regulator into a control loop consisting of a simulation controller and a direct current servo motor system to construct a diesel engine speed regulating system simulation test platform, which can carry out simulation test on the steady state and dynamic characteristics of the diesel engine speed regulating system and has reference value for dynamic analysis and fault detection of the speed regulating system.
Fig. 1 is a logical structure diagram of a simulation test system of an electronic speed regulator of a diesel engine according to a first embodiment of the present invention, and the simulation test system of the embodiment includes an upper computer 10, a diesel engine simulation module 20, and an electronic speed regulator 30 to be tested. The diesel engine simulation module 20 includes a simulation controller 21, a motor driver 22, a dc servo motor 23, a rotation speed sensor 24 installed at a speed measuring flywheel of the dc servo motor 23, and a photoelectric encoder 25 installed at an output shaft of the dc servo motor 23, where the rotation speed sensor 24 is, for example, a magnetoelectric rotation speed sensor, that is, a gear rotation speed sensor. The feedback end of the electronic speed regulator 30 is connected with the output end of the photoelectric encoder 25, and the output end of the electronic speed regulator 30 is connected to the simulation controller 21, that is, the electronic speed regulator 30 performs the operation of difference and PID according to the rotating speed signal input by the photoelectric encoder, and generates an accelerator opening degree signal to be transmitted to the simulation controller 21. The simulation controller 21 is used for driving the direct current servo motor 23 through the motor driver 22 according to an accelerator opening signal output by the electronic speed regulator 30 and a driving current signal of the direct current servo motor 23 based on a cascade control mode so as to simulate the operation of the diesel engine; the upper computer 10 is used for monitoring a rotating speed signal of the direct current servo motor 23 through a rotating speed sensor 24, monitoring an accelerator opening degree signal through the simulation controller 21 and outputting a monitoring result.
In the simulation test system, a rotating speed signal of a direct current servo motor 23 is detected by a rotating speed sensor 24 arranged on a speed measuring flywheel of the direct current servo motor 23 and a photoelectric encoder 25 arranged on an output shaft of the direct current servo motor 23, the rotating speed signal detected by the photoelectric encoder 25 is transmitted to an electronic speed regulator 30, an accelerator opening signal generated by the electronic speed regulator 30 is sent to a simulation controller 21, the simulation controller 21 simulates the operation of a diesel engine through the nonlinear setting of the accelerator opening signal and the driving current of the direct current servo motor 23 and the PID parameter setting of a motor control loop, and the speed regulating system stably operates at the set rotating speed through the PID cascade control, so that a diesel engine speed regulating simulation platform is built. And because the system is added with the rotating speed sensor, the rotating speed signal can be really and effectively identified, the conditions of the loss of the rotating speed signal and the waveform distortion can be judged in time, and meanwhile, the effectiveness of a rotating speed signal processing circuit of the electronic speed regulator can also be identified.
Further, the upper computer 10 is further configured to generate a rotation speed curve according to the rotation speed signal, generate an accelerator opening curve according to the accelerator opening signal, and output the rotation speed curve and the accelerator opening curve. Thus, the variation characteristics of the rotation speed/oil amount of the simulated diesel engine can be visually observed.
Further, referring to fig. 1, the electronic governor 30 includes a rotation speed controller 31, an electromagnetic actuator 32 and a displacement sensor 33, which are connected in sequence, and it should be noted that, taking an ESC1000A type rotation speed controller 31 as an example, the rotation speed controller 31 performs difference and PID operation on the input rotation speed signal, the operation result is output in the form of PWM square wave and drives the ESA1000a2-J type electromagnetic actuator 32 to operate, an output rack of the electromagnetic actuator 32 is connected to the displacement sensor 33 with an effective stroke of 25mm, and a displacement variation (an accelerator opening signal) generated by the displacement sensor 33 after the operation is transmitted as an input signal to a motor control circuit composed of the simulation controller 21, the motor driver 22 and the dc servo motor 23. The upper computer 30 is also configured to monitor a rotational speed signal input to the rotational speed controller 31, a PWM signal output from the rotational speed controller 31, and an execution current signal of the electromagnetic actuator 32, and output a monitoring result.
In an optional embodiment, the upper computer 10 is further configured to generate a PWM signal curve according to the PWM signal, generate an execution current curve according to the execution current signal, and output the PWM signal curve and the execution current curve. In this embodiment, the rotational speed signal, the execution current signal, the PWM signal, and the accelerator opening signal of the electronic governor 30 are monitored, the transient response characteristic of the rotational speed during the load sudden change process is simulated, and the key parameters of the electronic governor, including the rotational speed curve, the oil mass curve, and the execution current curve, are displayed by the upper computer.
Further, the simulation controller 21 is configured to drive the dc servo motor 23 through the motor driver 22 to simulate steady-state operation of the diesel engine and/or dynamic operation of the load sudden-change process.
In a specific application, an ESG1000A2-J type electronic speed regulator is adopted by 4 LLS diesel engines, a simulation test platform designed and developed aiming at the electronic speed regulator and the LLS diesel engines can detect key parameters such as voltage, current, duty ratio, accelerator position, running rotating speed and the like of an electric regulation system, loading and unloading tests are simulated, a rotating speed curve and an accelerator curve are displayed in real time, and the electronic speed regulators are maintained and overhauled more conveniently. In addition, the simulation test platform strengthens the understanding of the control logic and performance parameters of the electronic speed regulator in the research and development process, perfects the preventive maintenance scheme and standard of the electronic speed regulator and is more beneficial to improving the safety and reliability of the LLS diesel engine. The platform can be continuously used for detecting a failed electronic speed regulator and training the skill of personnel.
Fig. 2 is a flowchart of a first embodiment of the simulation test method for the electronic speed regulator of the diesel engine according to the present invention, the simulation test method of the embodiment is applied to the simulation test system described above, and with reference to fig. 1, the simulation test method of the embodiment includes the following steps:
S10, the simulation controller drives a direct-current servo motor through a motor driver based on a cascade control mode according to an accelerator opening signal output by an electronic speed regulator and a driving current signal of the direct-current servo motor so as to simulate the operation of a diesel engine;
and S20, monitoring a rotating speed signal of the direct current servo motor by the upper computer through a rotating speed sensor, monitoring an accelerator opening degree signal through the simulation controller, and outputting a monitoring result.
In an optional embodiment, the simulation testing method of the present invention further comprises:
and the upper computer generates a rotating speed curve according to the rotating speed signal, generates an accelerator opening curve according to the accelerator opening signal, and outputs the rotating speed curve and the accelerator opening curve.
In an optional embodiment, the simulation testing method of the present invention further comprises:
the upper computer monitors the rotating speed signal input to the rotating speed controller of the electronic speed regulator, the PWM signal output by the rotating speed controller and the execution current signal of the electromagnetic actuator of the electronic speed regulator and outputs a monitoring result.
In an optional embodiment, the simulation testing method of the present invention further comprises:
The upper computer generates a PWM signal curve according to the PWM signal, generates an execution current curve according to the execution current signal, and outputs the PWM signal curve and the execution current curve
In an optional embodiment, the dc servo motor is driven by a motor driver to simulate the operation of a diesel engine, which specifically includes: and driving the direct current servo motor through the motor driver so as to simulate steady-state operation of the diesel engine and/or dynamic operation of a load sudden change process.
By adopting the technical scheme, the performance of the electronic speed regulator can be tested in an off-line state, and key parameters can be detected and adjusted, so that the reliability of nuclear safety related equipment is improved, and the safe and stable operation of the LLS diesel engine is guaranteed. And because the system is provided with the rotating speed sensor, the rotating speed signal can be really and effectively identified, the conditions of the loss of the rotating speed signal and the waveform distortion can be timely judged, and meanwhile, the effectiveness of a rotating speed signal processing circuit of the electronic speed regulator can also be identified.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A simulation test system of an electronic speed regulator of a diesel engine comprises the electronic speed regulator to be tested, and is characterized by also comprising an upper computer and a diesel engine simulation module, wherein the diesel engine simulation module comprises a simulation controller, a motor driver, a direct current servo motor, a rotating speed sensor arranged at a speed measuring flywheel part of the direct current servo motor, and a photoelectric encoder arranged at an output shaft of the direct current servo motor;
the feedback end of the electronic speed regulator is connected with the output end of the photoelectric encoder, and the output end of the electronic speed regulator is connected to the simulation controller;
the simulation controller is used for driving the direct current servo motor through the motor driver to simulate the operation of a diesel engine according to an accelerator opening signal output by the electronic speed regulator and a driving current signal of the direct current servo motor based on a cascade control mode;
the upper computer is used for monitoring the rotating speed signal of the direct current servo motor through the rotating speed sensor, monitoring the throttle opening degree signal through the simulation controller, and outputting a monitoring result.
2. The simulation test system of the electronic speed regulator of the diesel engine according to claim 1,
The upper computer is further used for generating a rotating speed curve according to the rotating speed signal, generating an accelerator opening curve according to the accelerator opening signal, and outputting the rotating speed curve and the accelerator opening curve.
3. The simulation test system of an electronic speed governor of a diesel engine according to claim 1, wherein the electronic speed governor includes a rotational speed controller, an electromagnetic actuator, and a displacement sensor, which are connected in this order, and further,
the upper computer is also used for monitoring the rotating speed signal input to the rotating speed controller, the PWM signal output by the rotating speed controller and the execution current signal of the electromagnetic actuator and outputting a monitoring result.
4. The simulation test system of the electronic speed regulator of the diesel engine according to claim 3,
the upper computer is further used for generating a PWM signal curve according to the PWM signal, generating an execution current curve according to the execution current signal, and outputting the PWM signal curve and the execution current curve.
5. The simulation test system of the electronic speed regulator of the diesel engine according to claims 1 to 4,
the simulation controller is used for driving the direct current servo motor through the motor driver so as to simulate steady-state operation of the diesel engine and/or dynamic operation of a load sudden change process.
6. A simulation test method of an electronic speed regulator of a diesel engine is applied to the simulation test system of any one of claims 1 to 5, and is characterized by comprising the following steps:
the simulation controller drives the direct-current servo motor through a motor driver according to an accelerator opening signal output by the electronic speed regulator and a driving current signal of the direct-current servo motor based on a cascade control mode so as to simulate the operation of a diesel engine;
and the upper computer monitors the rotating speed signal of the direct current servo motor through a rotating speed sensor, monitors the throttle opening signal through the simulation controller, and outputs a monitoring result.
7. The simulation test method of the electronic speed regulator of the diesel engine according to claim 6, further comprising:
the upper computer generates a rotating speed curve according to the rotating speed signal, generates an accelerator opening curve according to the accelerator opening signal, and outputs the rotating speed curve and the accelerator opening curve.
8. The simulation test method of the electronic speed regulator of the diesel engine according to claim 7, further comprising:
the upper computer monitors the rotating speed signal input to the rotating speed controller of the electronic speed regulator, the PWM signal output by the rotating speed controller and the execution current signal of the electromagnetic actuator of the electronic speed regulator and outputs a monitoring result.
9. The method for simulating and testing an electronic speed regulator of a diesel engine according to claim 6, further comprising:
the upper computer generates a PWM signal curve according to the PWM signal, generates an execution current curve according to the execution current signal, and outputs the PWM signal curve and the execution current curve
10. The method for simulating and testing the electronic speed regulator of the diesel engine according to any one of the claims 6 to 9, wherein the driving of the direct current servo motor through the motor driver to simulate the operation of the diesel engine comprises the following steps:
and driving the direct current servo motor through the motor driver so as to simulate steady-state operation of the diesel engine and/or dynamic operation of a load sudden change process.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117007898A (en) * | 2023-10-07 | 2023-11-07 | 深圳市好盈科技股份有限公司 | Method and device for testing aging state of target electronic speed regulator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4881404A (en) * | 1987-03-19 | 1989-11-21 | Sulzer Brothers Limited | Diesel engine simulator and a method of adjusting the dynamic running characteristics of a diesel engine |
| US5459664A (en) * | 1991-11-18 | 1995-10-17 | Buckalew; Robert | Diesel governor tester |
| CN2243652Y (en) * | 1995-09-07 | 1996-12-25 | 广州铁路(集团)公司科学技术研究所 | Analog loading apparatus for checking diesel engine speed regulator |
| CN101807361A (en) * | 2009-12-01 | 2010-08-18 | 镇江恒驰科技有限公司 | Diesel engine electronic control teaching simulated experiment method and device |
| CN209992827U (en) * | 2019-04-11 | 2020-01-24 | 阳江核电有限公司 | Semi-physical simulation verification system for nuclear power emergency diesel generating set |
| CN112558496A (en) * | 2020-11-26 | 2021-03-26 | 中广核核电运营有限公司 | Simulation test system for speed regulator of emergency diesel engine of nuclear power plant |
| CN112596374A (en) * | 2020-11-26 | 2021-04-02 | 中广核核电运营有限公司 | Adjusting performance optimization and state monitoring system and method of electronic speed regulator |
-
2021
- 2021-04-28 CN CN202110466984.2A patent/CN114488842A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4881404A (en) * | 1987-03-19 | 1989-11-21 | Sulzer Brothers Limited | Diesel engine simulator and a method of adjusting the dynamic running characteristics of a diesel engine |
| US5459664A (en) * | 1991-11-18 | 1995-10-17 | Buckalew; Robert | Diesel governor tester |
| CN2243652Y (en) * | 1995-09-07 | 1996-12-25 | 广州铁路(集团)公司科学技术研究所 | Analog loading apparatus for checking diesel engine speed regulator |
| CN101807361A (en) * | 2009-12-01 | 2010-08-18 | 镇江恒驰科技有限公司 | Diesel engine electronic control teaching simulated experiment method and device |
| CN209992827U (en) * | 2019-04-11 | 2020-01-24 | 阳江核电有限公司 | Semi-physical simulation verification system for nuclear power emergency diesel generating set |
| CN112558496A (en) * | 2020-11-26 | 2021-03-26 | 中广核核电运营有限公司 | Simulation test system for speed regulator of emergency diesel engine of nuclear power plant |
| CN112596374A (en) * | 2020-11-26 | 2021-04-02 | 中广核核电运营有限公司 | Adjusting performance optimization and state monitoring system and method of electronic speed regulator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117007898A (en) * | 2023-10-07 | 2023-11-07 | 深圳市好盈科技股份有限公司 | Method and device for testing aging state of target electronic speed regulator |
| CN117007898B (en) * | 2023-10-07 | 2023-12-08 | 深圳市好盈科技股份有限公司 | Method and device for testing aging state of target electronic speed regulator |
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