Simulation test system and method for electronic control air distributor of diesel engine and electronic equipment

Abstract

The invention provides a simulation test system and method for an electronic control air distributor of a diesel engine and electronic equipment. The simulation test system comprises a simulation module, a starting control module and a rotary transformer signal generation module. The simulation module simulates work of a diesel engine and outputs diesel engine crankshaft angle data; the starting control module is connected with the simulation module and the execution module and controls the execution module to act; the rotary transformer signal generation module simulates a rotary transformer and converts the corner position of a diesel engine into two sine and cosine signals. The resolver signal generation module is connected with the simulation module and the starting control module, receives the crank angle data and an excitation signal of the starting control module and outputs a starting signal based on the crank angle data and the excitation signal, and the starting control module decodes the starting signal to obtain an action control signal for controlling the simulation module. According to the technical scheme, various working conditions in the air starting process can be efficiently simulated and verified, real rotary transformer signals are output, the testing flexibility, accuracy and efficiency are improved, and the cost is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of diesel engine design, and in particular relates to a simulation test system, method and electronic equipment for an electronically controlled air distributor of a diesel engine. Background Art

[0002] The diesel engine itself has no starting capability and must be started with external force. Depending on the starting energy source, the main starting methods include hand cranking, electric motor starting, compressed air starting, etc. Due to the limitation of starting torque, large and medium-sized diesel engines generally use compressed air starting. Compressed air starting is to send air of a certain pressure into the cylinder during the power stroke according to the ignition sequence of the diesel engine, and rely on the expansion of air to drive the piston movement. When the crankshaft speed reaches the starting speed, the diesel burns and works to start the diesel engine.

[0003] At present, the air starter distributor of marine diesel engines generally adopts a mechanical air distributor, which has the problems of wear, corrosion and clogging. With the development of electrical technology, miniaturized and intelligent electronically controlled air starters have become the focus of research. In view of factors such as safety, availability and cost, bench tests cannot meet the development and testing requirements of electronically controlled air starter distributors. Therefore, the present invention proposes a simulation test system for compressed air starting of diesel engines, which can adapt to the development and testing of electronically controlled air distributors of different models.

[0004] Therefore, how to provide a simulation test system, method and electronic equipment for a diesel engine electronically controlled air distributor that can efficiently simulate and verify various working conditions of the air starting process and output a real rotary signal, improve test flexibility, accuracy and efficiency, and reduce costs has become a technical problem that needs to be solved urgently. Summary of the invention

[0005] The embodiment of the present invention provides a simulation test system, method and electronic equipment for an electronically controlled air distributor of a diesel engine, which can efficiently simulate and verify various working conditions of an air starting process and output a real rotary signal, thereby improving test flexibility, accuracy and efficiency and reducing costs.

[0006] In one embodiment of the present invention, a simulation test system for an electronically controlled air distributor of a diesel engine is provided, wherein the simulation test system comprises: a simulation module 10 , a starting control module 20 and a resolver signal generating module 30 .

[0007] The simulation module 10 is used to simulate the operation of the diesel engine and output the crankshaft angle data of the diesel engine including the rotation speed and angle; The start control module 20 is connected with the simulation module 10 and the execution module to control the execution module action; The resolver signal generating module 30 is used to simulate a resolver and convert the angular position of the diesel engine into two sine and cosine signals. The resolver signal generating module 30 is connected to the simulation module 10 and the starting control module 20 respectively, receives the crankshaft angle data and the excitation signal of the starting control module 20, and outputs a starting signal based on the crankshaft angle data and the excitation signal. The starting control module 20 decodes the starting signal to obtain an action control signal for controlling the simulation module 10.

[0008] Further, the simulation module 10 includes: a diesel engine model 21 and an air starting model 22; The air starting model 22 is connected to the diesel engine model 21, the air starting model 22 receives the air valve action signal, and outputs the cylinder pressure signal to the diesel engine model 21 based on the action signal, so that the diesel engine model 21 simulates the operation of the diesel engine based on the cylinder pressure signal; Air start model 22 output torque signal

[0009]

[0010] in, Output torque signal for the cylinder, is the area of ​​the piston in the diesel engine, is the crank radius in the diesel engine; is the crank angle of the diesel engine; is the connecting rod angle in the diesel engine; is the crank-connecting rod ratio; P is the piston pressure; P 0 is the crankcase pressure; m i is the mass of each unit of the crankshaft; ω is the crank angular velocity.

[0011] Furthermore, the air starting model 22 controls the total air consumption of the diesel engine, including:

[0012] Wherein, G is the total gas consumption of the diesel engine; Z is the number of starts of the diesel engine; is the average gas consumption of the diesel engine when it is started once, ; is the total cylinder volume of the diesel engine; is the pressure in the air supply device when the diesel engine starts to start; is the pressure in the air supply device when the diesel engine finishes starting; R is the gas constant; T is the gas temperature; Vs is the designed volume of the gas cylinder.

[0013] Furthermore, the starting control module 20 is disposed in the air distributor (40), and the starting control module 20 outputs a starting signal: ; ; in, V a is the cosine representation value of the starting signal; V b is the sinusoidal representation value of the start signal; V b and V a The excitation frequency is consistent; V s * sin(ωt) is the excitation signal of the encoder in the air distributor; ω is the crank angular velocity; t is time; The angular position of the diesel engine.

[0014] Further, the air distributor 40 includes: an air valve 41; The air valve 41 is connected to the starting control module 20 for receiving the control signal; the air valve 41 is connected to the air starting model 22 for outputting an action signal, and the action signal of the air valve 41 controls the action of the air starting model 22 .

[0015] Furthermore, the simulation test system includes: a diesel engine control module 50 and a fuel injector 60; The diesel engine control module 50 is connected to the simulation module 10 and is used to control the simulation module 10 to simulate the action of the diesel engine; The injector 60 is connected to the diesel engine control module 50 and the simulation module 10, and is used to receive the injection action signal of the diesel engine control module 50; and output the injection action signal so that the simulation module 10 controls the action of the diesel engine based on the injection action signal.

[0016] In another embodiment of the present invention, a simulation test method for an electronically controlled air distributor of a diesel engine is based on a simulation test system for an electronically controlled air distributor of a diesel engine as described in any one of the above items, comprising: The operation of the diesel engine is simulated by the simulation module 10, and the crankshaft angle data of the diesel engine is output; Controlling the operation of the simulation module 10 through the start control module 20; The rotary transformer is simulated by the rotary transformer generating module 30, and the angular position of the diesel engine is converted into two sine and cosine signals; the rotary transformer signal generating module 30 is connected to the simulation module 10 and the starting control module 20 respectively, receives the crankshaft angle data and the excitation signal of the starting control module 20, and outputs the starting signal based on the crankshaft angle data and the excitation signal. The starting control module 20 decodes the starting signal to obtain the action control signal for controlling the simulation module 10.

[0017] Furthermore, the simulation module 10 is controlled to act by starting the control module 20, including: Input a control signal to the air valve 41 through the start control module 20; The control signal is received by the air valve 41 , and an action signal is output, wherein the action signal is used to control the action of the simulation module 10 .

[0018] Furthermore, the step of controlling the action of the simulation module 10 by starting the control module 20 also includes: The air starting model 22 receives the motion signal and outputs a torque signal based on the motion signal. The torque signal is used to control the motion of the diesel engine model 21 .

[0019] An embodiment of the present invention provides an electronic device, characterized in that it includes: a memory 100 and a processor 200; The memory 100 and the processor 200 are communicatively connected with each other. The memory 100 stores computer instructions. The processor 200 executes the simulation method of the diesel engine starting system as described in any one of the above items by executing the computer instructions.

[0020] The beneficial effects brought by the present invention are as follows: It can be seen from the above scheme that the embodiment of the present invention provides a simulation test system, method and electronic equipment for the electronically controlled air distributor of a diesel engine. The simulation experiment system includes: a simulation module, a starting control module and a resolver signal generating module. The simulation module is used to simulate the operation of the diesel engine and output the crankshaft angle data of the diesel engine including the speed and angle; the starting control module is connected to the simulation module and the execution module to control the action of the execution module; the resolver signal generating module is used to simulate the rotary transformer and convert the angular position of the diesel engine into two sine and cosine signals; the resolver signal generating module is connected to the simulation module and the starting control module respectively, receives the crankshaft angle data and the excitation signal of the starting control module, and outputs the starting signal based on the crankshaft angle data and the excitation signal, and the starting control module decodes the starting signal to obtain the action control signal of the control simulation module. The technical scheme of the present invention can efficiently simulate and verify various working conditions of the air starting process and output a real resolver signal, improve the test flexibility, accuracy and efficiency, and reduce costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A first structural schematic diagram of a simulation device for a diesel engine starting system according to an embodiment of the present invention; Figure 2 A second structural schematic diagram of a simulation device for a diesel engine starting system according to an embodiment of the present invention; Figure 3 A third structural schematic diagram of a simulation device for a diesel engine starting system according to an embodiment of the present invention; Figure 4 A schematic diagram of the structure of an electronic device according to an embodiment of the present invention; Figure 5 A schematic diagram of a crankshaft structure of a diesel engine according to an embodiment of the present invention; Attached figure numbers: 10, simulation module; 20, starting control module; 21, diesel engine model; 22, air starting model; 30, rotary signal generating module; 40, air distributor; 41, air valve; 50, diesel engine control module; 60, injector; 100, memory; 200, processor. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution in the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] A simulation test system for an electronically controlled air distributor of a diesel engine is based on real-time simulation test technology. The system includes: a simulator; a resolver signal generator; a simulation model; a host computer; a starting control unit and an actuator. The simulator runs a diesel engine body and an air starting system model. The I / O interface included in the simulator is used to transmit relevant electrical signals or communications. The resolver signal generator is used to simulate a rotary transformer and convert the diesel engine angular position into two sine and cosine signals. The simulation model is deployed in the simulator, including a diesel engine body model and a compressed air starting system model. After receiving the action signal of the air valve, the air starting model generates torque through the gas expansion process and feeds the information back to the diesel engine body model. The host computer is used to manage the test project, provide test instructions, and realize visualization. The starting control unit is a test piece, which is connected to the simulator and the actuator through cables. The starting controller and the diesel engine controller are integrated or distributed and can be connected to the system. The actuator is the direct control object of the controller, such as the injector. The air valve receives the drive instruction to make an action. After the simulator collects the actuator status, it responds according to the model principle.

[0024] like Figures 1 to 5 As shown, Figure 1 is a first structural schematic diagram of a simulation device for a diesel engine starting system according to an embodiment of the present invention, Figure 2 is a second structural schematic diagram of a simulation device for a diesel engine starting system according to an embodiment of the present invention, Figure 3 FIG. 3 is a third structural schematic diagram of a simulation device for a diesel engine starting system according to an embodiment of the present invention. Figure 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention, Figure 5 The figure is a schematic diagram of the crankshaft structure of a diesel engine according to an embodiment of the present invention.

[0025] In the figure, a simulation test system of a diesel engine electronically controlled air distributor is shown, characterized in that the simulation test system comprises: a simulation module 10, a starting control module 20 and a resolver signal generating module 30.

[0026] The simulation module 10 is used to simulate the operation of the diesel engine and output the crankshaft angle data of the diesel engine including the rotation speed and angle; The start control module 20 is connected with the simulation module 10 and the execution module to control the execution module action; The resolver signal generating module 30 is used to simulate a resolver and convert the angular position of the diesel engine into two sine and cosine signals. The resolver signal generating module 30 is connected to the simulation module 10 and the starting control module 20 respectively, receives the crankshaft angle data and the excitation signal of the starting control module 20, and outputs a starting signal based on the crankshaft angle data and the excitation signal. The starting control module 20 decodes the starting signal to obtain an action control signal for controlling the simulation module 10.

[0027] In an embodiment of the present invention, an electronic control design method is adopted, and the rotation angle parameter of the crankshaft is assigned to the excitation signal through the rotary signal generating module 30 to obtain the changed excitation signal as the starting signal, and a control signal is generated after decoding to drive the starting control module 20 to control the action of the simulation module 10, thereby meeting the electronic control requirements of the electronically controlled air starting distributor. At the same time, the present application simulates the action of the engine through the simulation module 10 without the participation of the engine entity, and replaces the bench test with the model simulation method to meet the development and testing requirements of the electronically controlled air starting distributor.

[0028] Figures 1 to 3 In the simulation module 10, it includes: a diesel engine model 21 and an air starting model 22; The air starting model 22 is connected to the diesel engine model 21, the air starting model 22 receives the air valve action signal, and outputs the cylinder pressure signal to the diesel engine model 21 based on the action signal, so that the diesel engine model 21 simulates the operation of the diesel engine based on the cylinder pressure signal; Air start model 22 output torque signal

[0029]

[0030] in, Output torque signal for the cylinder, is the area of ​​the piston in the diesel engine, is the crank radius in the diesel engine; is the crank angle of the diesel engine; is the connecting rod angle in the diesel engine; is the crank-connecting rod ratio; P is the piston pressure; P 0 is the crankcase pressure; m i is the mass of each unit of the crankshaft; ω is the crank angular velocity.

[0031] Figure 5 middle, Figure 5 The motion principle diagram and motion force of the piston cylinder, piston, connecting rod and crankshaft of the diesel engine are shown, and the diesel engine model 21 is constructed with reference to the pressure P on the piston, the connecting rod angle β, the crank angle, the crank angular velocity ω and other parameters. Specifically, the simulation module 10 may include a desktop computer, a notebook computer, a simulation instrument and other equipment that can process the simulation model.

[0032] In one embodiment of the present invention, the air starting distributor is mainly composed of a gas cylinder, a control valve, and a distributor, and its working principle includes: the pressurized air is stored in the gas cylinder, and before the diesel engine is started, the controller opens the main valve, and the air in the gas cylinder is divided into two paths, one for starting air and the other for control air; when the diesel engine is started, the controller opens the starting control valve according to the ignition sequence and the intake phase, and the control air opens the cylinder starting valve, so that the compressed air enters the cylinder to push the piston and drive the crankshaft to rotate.

[0033] In the embodiment of the present invention, the air starting model 22 controls the total gas consumption of the diesel engine, including:

[0034] Wherein, G is the total gas consumption of the diesel engine; Z is the number of starts of the diesel engine; is the average gas consumption of the diesel engine when it is started once, ; is the total cylinder volume of the diesel engine; is the pressure in the air supply device when the diesel engine starts to start; is the pressure in the air supply device when the diesel engine finishes starting; R is the gas constant; T is the gas temperature; Vs is the designed volume of the gas cylinder.

[0035] In one embodiment of the present invention, the resolver signal generating module 30 is connected to the simulation module 10 and the starting control module 20 respectively. The resolver signal generating module 30 is used to receive the crankshaft angle data and the excitation signal of the starting control module 20, and output the starting signal based on the excitation signal and the crankshaft angle data. For the waveform diagram of the excitation signal, please refer to Figure 4 Specifically, the resolver signal generating module 30 may use a resolver signal generator, which collects the excitation signal of the decoder in the air distributor 40 through an ADC (Analog-to-Digital Converter) channel. , the angular position of the diesel engine model 21 in the simulation module 10 is obtained by communication or analog quantity ; According to the corresponding relationship between angle and amplitude, the amplitude of sine and cosine signals is changed in real time, and two resolver signals consistent with the excitation frequency are output. and , used to characterize the start signal, where and For waveform diagrams, see Figure 5 .

[0036] The starting control module 20 is disposed in the air distributor (40), and the starting control module 20 outputs a starting signal: ; ; in, V a is the cosine representation value of the starting signal; V b is the sinusoidal representation value of the start signal; V b and V a The excitation frequency is consistent; V s * sin(ωt) is the excitation signal of the encoder in the air distributor; ω is the crank angular velocity; t is time; The angular position of the diesel engine.

[0037] In one embodiment of the present invention, the air distributor 40 comprises: an air valve 41; The air valve 41 is connected to the starting control module 20 for receiving the control signal; the air valve 41 is connected to the air starting model 22 for outputting an action signal, and the action signal of the air valve 41 controls the action of the air starting model 22 .

[0038] In one embodiment of the present invention, the simulation test system includes: a diesel engine control module 50 and a fuel injector 60; The diesel engine control module 50 is connected to the simulation module 10 and is used to control the simulation module 10 to simulate the action of the diesel engine; The injector 60 is connected to the diesel engine control module 50 and the simulation module 10, and is used to receive the injection action signal of the diesel engine control module 50; and output the injection action signal so that the simulation module 10 controls the action of the diesel engine based on the injection action signal.

[0039] Specifically, the diesel engine control module 50 is a diesel engine controller, and the simulation machine also includes an I / O interface (Input / Output Interface). The diesel engine controller is connected to the I / O interface via a cable, and the I / O interface is connected to the diesel engine model 21. The diesel engine controller is connected to the injector 60, and the injector 60 is connected to the diesel engine model 21, so as to realize data interaction and function control among the diesel engine controller, the diesel engine model 21 and the injector 60, such as sensor signal acquisition, control command output, actuator (such as injector 60) drive, and diesel engine start, operation, stop and other functions.

[0040] In one embodiment of the present invention, the starting control module 20 is a starting controller model constructed based on the starting controller in the air distributor 40. The starting controller model is run by a simulator and can perform air starting simulation experiments in scenarios where there is no real starting controller, so as to improve the flexibility of the experimental system. For details, please refer to Figure 3 , Figure 3 The structure in which the starting controller is modeled and connected to the simulation module 10 in a scenario where there is no real starting controller is shown.

[0041] It is understandable that in a scenario where there is no real starting controller, the design of the air valve 41 can be cancelled. By running the simulation machine, the control signal output by the starting controller model can be directly input into the air starting model 22. By conducting air starting simulation experiments through the air starting model 22 and the diesel engine model 21, the flexibility of the experimental system can be further improved.

[0042] In another embodiment of the present invention, the diesel engine control module 50 is a diesel engine controller model constructed based on a diesel engine controller. The diesel engine controller model is run by a simulator and can perform an air starting simulation experiment in a scenario where a real diesel engine controller is not available, so as to improve the flexibility of the experimental system. Figure 2 and Figure 3 The structural diagrams of the connection between the diesel engine controller model and the simulation module 10 are shown respectively.

[0043] It is understandable that in the scenario where there is no real diesel engine controller, the design of the injector 60 can be cancelled. Through the operation of the simulator, the signal output by the diesel engine controller model is directly input into the diesel engine model 21 for air starting simulation experiment, which can further improve the flexibility of the experimental system. For details, please refer to Figure 2 and Figure 3 , Figure 2 and Figure 3 The structure diagram of the simulation device of the diesel engine starting system after the injector 60 is removed is shown.

[0044] It can be understood that the simulation device of the diesel engine starting system provided in the embodiment of the present application includes a simulation module 10, a starting control module 20 and a resolver signal generating module 30; the simulation module 10 is used to simulate the operation of the diesel engine and output the angle data of the crankshaft in the diesel engine; the starting control module 20 is connected to the simulation module 10, and is used to control the action of the simulation module 10, and the resolver signal generating module 30 is respectively connected to the simulation module 10 and the starting control module 20 to receive the crankshaft angle data and the excitation signal of the starting control module 20, and outputs the starting signal, so that the starting module decodes the starting signal to obtain a control signal, so as to drive the starting control module 20 through the control signal to control the action of the simulation module 10. The present application adopts an electronic control design method, and the crankshaft angle parameter is assigned to the excitation signal through the rotary signal generating module 30 to obtain the changed excitation signal as the starting signal, and generates a control signal after decoding to drive the starting control module 20 to control the action of the simulation module 10 to meet the electronic control requirements of the electronically controlled air starting distributor. At the same time, the present application simulates the action of the engine through the simulation module 10 without the participation of the engine entity, and replaces the bench test with the model simulation method to meet the development and testing requirements of the electronically controlled air starting distributor.

[0045] In another embodiment of the present invention, a simulation test method for an electronically controlled air distributor of a diesel engine is based on a simulation test system for an electronically controlled air distributor of a diesel engine as described in any one of the above items, comprising: The operation of the diesel engine is simulated by the simulation module 10, and the crankshaft angle data of the diesel engine is output; Controlling the operation of the simulation module 10 through the start control module 20; The rotary transformer is simulated by the rotary transformer generating module 30, and the angular position of the diesel engine is converted into two sine and cosine signals; the rotary transformer signal generating module 30 is connected to the simulation module 10 and the starting control module 20 respectively, receives the crankshaft angle data and the excitation signal of the starting control module 20, and outputs the starting signal based on the crankshaft angle data and the excitation signal. The starting control module 20 decodes the starting signal to obtain the action control signal for controlling the simulation module 10.

[0046] In one embodiment of the present invention, the simulation module 10 is controlled by the start control module 20 to act, including: Input a control signal to the air valve 41 through the start control module 20; The control signal is received by the air valve 41 , and an action signal is output, wherein the action signal is used to control the action of the simulation module 10 .

[0047] In one embodiment of the present invention, the step of controlling the action of the simulation module 10 by the start control module 20 further includes: The air starting model 22 receives the motion signal and outputs a torque signal based on the motion signal. The torque signal is used to control the motion of the diesel engine model 21 .

[0048] Figure 4 In the present invention, an electronic device is characterized by comprising: a memory 100 and a processor 200; The memory 100 and the processor 200 are communicatively connected with each other. The memory 100 stores computer instructions. The processor 200 executes the simulation method of the diesel engine starting system as described in any one of the above items by executing the computer instructions.

[0049] The embodiment of the present invention provides a simulation test system, method and electronic equipment for an electronically controlled air distributor of a diesel engine. The simulation test system includes: a simulation module, a starting control module and a resolver signal generating module. The simulation module is used to simulate the operation of a diesel engine and output the crankshaft angle data of the diesel engine including the rotation speed and angle; the starting control module is connected to the simulation module and the execution module to control the action of the execution module; the resolver signal generating module is used to simulate a rotary transformer and convert the angular position of the diesel engine into two sine and cosine signals; the resolver signal generating module is connected to the simulation module and the starting control module respectively, receives the crankshaft angle data and the excitation signal of the starting control module, and outputs the starting signal based on the crankshaft angle data and the excitation signal, and the starting control module decodes the starting signal to obtain the action control signal for controlling the simulation module.

[0050] The technical solution of the present invention can efficiently simulate and verify various working conditions of the air starting process and output a real resolver signal, thereby improving test flexibility, accuracy and efficiency and reducing costs.

[0051] The above are preferred embodiments of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A simulation test system for an electronically controlled air distributor of a diesel engine, characterized in that: The simulation experiment system comprises: a simulation module (10), a start control module (20) and a resolver signal generation module (30); The simulation module (10) is used to simulate the operation of the diesel engine and output the crankshaft angle data of the diesel engine including the rotation speed and angle; The start control module (20) is connected to the simulation module (10) and the execution module to control the action of the execution module; The resolver signal generating module (30) is used to simulate a resolver and convert the angular position of the diesel engine into two sine and cosine signals; the resolver signal generating module (30) is connected to the simulation module (10) and the starting control module (20) respectively, receives the crankshaft angle data and the excitation signal of the starting control module (20), and outputs a starting signal based on the crankshaft angle data and the excitation signal; the starting control module (20) decodes the starting signal to obtain an action control signal for controlling the simulation module (10).

2. The simulation test system for the diesel engine electronically controlled air distributor according to claim 1 is characterized in that: The simulation module (10) comprises: a diesel engine model (21) and an air starting model (22); The air starting model (22) is connected to the diesel engine model (21), the air starting model (22) receives an air valve action signal, and outputs a cylinder pressure signal to the diesel engine model (21) based on the action signal, so that the diesel engine model (21) simulates the operation of the diesel engine based on the cylinder pressure signal; The air starting model (22) outputs a torque signal in, Output torque signal for the cylinder, is the area of ​​the piston in the diesel engine, is the crank radius in the diesel engine; is the crank angle of the diesel engine; is the connecting rod angle in the diesel engine; is the crank-connecting rod ratio; P is the piston pressure; P 0 is the crankcase pressure; m i is the mass of each unit of the crankshaft; ω is the crank angular velocity.

3. A simulation test system for a diesel engine electronically controlled air distributor according to claim 2, characterized in that: The air starting model (22) controls the total gas consumption of the diesel engine, including: Wherein, G is the total gas consumption of the diesel engine; Z is the number of starts of the diesel engine; is the average gas consumption of the diesel engine when it is started once, ; is the total cylinder volume of the diesel engine; is the pressure in the air supply device when the diesel engine starts to start; is the pressure in the air supply device when the diesel engine finishes starting; R is the gas constant; T is the gas temperature; Vs is the designed volume of the gas cylinder.

4. A simulation test system for an electronically controlled air distributor of a diesel engine according to claim 3, characterized in that: The starting control module (20) is arranged in the air distributor (40), and the starting control module (20) outputs a starting signal: ； ； in, V a is the cosine representation value of the start signal; V b is the sinusoidal representation value of the start signal; V b and V a The excitation frequency is consistent; V s * sin(ωt) is the excitation signal of the encoder in the air distributor; ω is the crank angular velocity; t is time; The angular position of the diesel engine.

5. The simulation test system of a diesel engine electronically controlled air distributor according to claim 1 is characterized in that: The air distributor (40) comprises: an air valve (41); The air valve (41) is connected to the starting control module (20) for receiving the control signal; the air valve (41) is connected to the air starting model (22) for outputting an action signal, and the action signal of the air valve (41) controls the action of the air starting model (22).

6. A simulation test system for a diesel engine electronically controlled air distributor according to claim 1, characterized in that: The simulation test system comprises: a diesel engine control module (50) and a fuel injector (60); The diesel engine control module (50) is connected to the simulation module (10) and is used to control the simulation module (10) to simulate the action of the diesel engine; The injector (60) is connected to the diesel engine control module (50) and the simulation module (10) respectively, and is used to receive the injection action signal of the diesel engine control module (50); and output the injection action signal so that the simulation module (10) controls the action of the diesel engine based on the injection action signal.

7. A simulation test method for an electronically controlled air distributor of a diesel engine, based on a simulation test system for an electronically controlled air distributor of a diesel engine as claimed in any one of claims 1 to 6, characterized in that: The method comprises: The operation of the diesel engine is simulated by the simulation module (10), and the crankshaft angle data of the diesel engine is output; Controlling the operation of the simulation module (10) through the start control module (20); The rotary transformer is simulated by the rotary transformer generating module (30) to convert the rotation angle position of the diesel engine into two sine and cosine signals; the rotary transformer signal generating module (30) is connected to the simulation module (10) and the starting control module (20) respectively, receives the crankshaft angle data and the excitation signal of the starting control module (20), and outputs a starting signal based on the crankshaft angle data and the excitation signal; the starting control module (20) decodes the starting signal to obtain an action control signal for controlling the simulation module (10).

8. A simulation test method for an electronically controlled air distributor of a diesel engine according to claim 7, characterized in that: Controlling the operation of the simulation module (10) by the start control module (20) comprises: Inputting a control signal to the air valve (41) through the starting control module (20); The control signal is received through the air valve (41), and an action signal is output, wherein the action signal is used to control the action of the simulation module (10).

9. A simulation test method for a diesel engine electronically controlled air distributor according to claim 8, characterized in that: The step of controlling the action of the simulation module (10) through the start control module (20) further includes: The action signal is received by the air starting model (22), and a torque signal is output based on the action signal, wherein the torque signal is used to control the action of the diesel engine model (21).

10. An electronic device, characterized in that: include: A memory (100) and a processor (200); The memory (100) and the processor (200) are communicatively connected to each other, the memory (100) stores computer instructions, and the processor (200) executes the simulation method of the diesel engine starting system according to any one of claims 7 to 9 by executing the computer instructions.

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