CN115130308A

CN115130308A - Simulation evaluation system and simulation evaluation method for range extender torsional vibration system

Info

Publication number: CN115130308A
Application number: CN202210772418.9A
Authority: CN
Inventors: 阎全忠; 李洁辰
Original assignee: Shanghai Rox Intelligent Technology Co Ltd
Current assignee: Shanghai Rox Intelligent Technology Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-09-30

Abstract

In the simulation evaluation system of the range extender torsional vibration system, a user only needs to input corresponding parameters in a model parameter type list provided by a parameter input module, and a model construction module can automatically construct a simulation model of the range extender torsional vibration system according to the parameters input by the user.

Description

Simulation evaluation system and simulation evaluation method for range extender torsional vibration system

Technical Field

The invention relates to the technical field of simulation, in particular to a simulation evaluation system and a simulation evaluation method of a range extender torsional vibration system.

Background

Aiming at the range-extended hybrid electric vehicle, the NVH (Noise, Vibration and Harshness) performance of a range extender system of the range-extended hybrid electric vehicle can be optimized through the torsional Vibration damper, the performance of the torsional Vibration damper can be evaluated by utilizing a simulation means, design parameters of the torsional Vibration damper are controlled according to a debugging simulation result, and the later calibration and adjustment work can be effectively reduced by optimizing the torsional Vibration damper in a design stage. Parameters such as damping design, engine starting time, piston top dead center position, starting rotating speed and spline tolerance clearance are subjected to iterative prediction, and therefore the optimal solution of NVH performance is achieved.

At present, for a hybrid electric vehicle with a range extending function, a coupling mode between an engine and a generator has an important influence on the NVH performance of the whole vehicle, wherein connection and parameter adjustment of multiple systems are involved, multiple systems are involved in selection and design of a scheme in the early period, comprehensive performance of the scheme cannot be estimated only by experience, feasibility of an initial scheme of the hybrid electric vehicle can be effectively evaluated by a simulation means, influence on subsequent vehicle manufacturing progress caused by unreasonable selection or cost is avoided, and repeated adjustment iteration in subsequent performance tests can be reduced.

However, when the range extender torsional vibration system is simulated through simulation software at present, simulation personnel needs to perform complicated manual operation modeling on the range extender torsional vibration system in the simulation software, and needs to memorize the positions of all parameters when relevant parameters are adjusted after modeling, and then click the corresponding positions according to the parameters needing to be modified to adjust the parameters, which is very inconvenient.

In conclusion, the existing process of carrying out simulation evaluation on the range extender torsional vibration system through simulation software is extremely tedious and inconvenient for operation of simulation personnel.

Disclosure of Invention

In view of this, the present invention aims to provide a simulation evaluation system and a simulation evaluation method for a range extender torsional vibration system, so as to alleviate the technical problems of complicated process and inconvenience for operation of simulation personnel when the conventional simulation evaluation is performed on the range extender torsional vibration system through simulation software.

In a first aspect, an embodiment of the present invention provides a simulation evaluation system for a range extender torsional vibration system, including: the system comprises a parameter input module, a model construction module, a parameter adjusting module, a simulation module and a result output module;

the parameter input module is used for providing a model parameter type list and acquiring parameters input by a user based on the model parameter type list;

the model building module is used for building a simulation model of the range extender torsional vibration system according to the parameters input by the user;

the parameter adjusting module is used for providing an adjustable parameter type list and acquiring adjusting parameters input by a user based on the adjustable parameter type list;

the simulation module is used for simulating a simulation model of the range extender torsional vibration system according to the adjusting parameters input by a user;

and the result output module is used for obtaining a simulation output result according to the simulation of the simulation module so as to use the simulation output result in the evaluation of the adjusting parameter.

Further, the parameter input module comprises: a generator model parameter input module; the model building module comprises: a generator model construction module;

the generator model parameter input module comprises a plurality of generator model parameter types and is used for acquiring parameters corresponding to each generator model parameter type input by a user;

and the generator model building module is used for building a generator model according to the parameters corresponding to each type of the generator model parameters.

Further, the parameter input module further includes: a torsional vibration damper model parameter input module; the model building module further comprises: a torsional vibration damper model building module;

the torsional vibration damper model parameter input module comprises a plurality of torsional vibration damper model parameter types and is used for acquiring parameters corresponding to each torsional vibration damper model parameter type input by a user;

the torsional vibration damper model building module is used for building a torsional vibration damper model according to the parameters corresponding to the parameter types of each torsional vibration damper model and building the connection between the torsional vibration damper model and the generator model built by the generator model building module.

Further, the parameter input module further includes: an engine model parameter input module; the model building module further comprises: an engine model construction module;

the engine model parameter input module comprises a plurality of engine model parameter types and is used for acquiring parameters corresponding to each engine model parameter type input by a user;

the engine model building module is used for building an engine model according to the parameters corresponding to each type of the engine model parameters and building connection between the engine model and the torsional vibration damper model built by the torsional vibration damper model building module.

Further, the parameter input module further includes: a suspension model parameter input module; the model building module further comprises: a suspension model building module;

the suspension model parameter input module comprises a plurality of suspension model parameter types and is used for acquiring parameters corresponding to each suspension model parameter type input by a user;

the suspension model building module is used for building a suspension model according to each parameter corresponding to the parameter type of the suspension model, building connection between the suspension model and a corresponding connecting component, and further obtaining a simulation model of the range extender torsional vibration system, wherein the connecting component comprises: the generator model constructed by the generator model construction module and the engine model constructed by the engine model construction module.

Further, the generator model building module comprises: the generator shell model building module, the rotor shaft model building module and the spline shaft model building module are arranged in the generator shell;

the generator shell model building module is used for building a generator shell model according to parameters related to the generator shell;

the rotor shaft model building module is used for building a rotor shaft model according to parameters related to a rotor shaft and building connection between the rotor shaft model and the motor shell model;

the spline shaft model building module is used for building a spline shaft model according to parameters related to a spline shaft, building connection between the spline shaft model and the rotor shaft model, and further obtaining the generator model.

Further, the torsional damper model building module includes: the system comprises a first-level model building module and a second-level model building module;

the primary model building module is used for building a primary model according to parameters related to the primary model;

and the secondary model building module is used for building a secondary model according to parameters related to the secondary model, and building connection between the secondary model and the primary model so as to obtain the torsional damper model.

Further, the engine model building module includes: the device comprises a single mass flywheel model building module, a piston connecting rod crankshaft model building module and a crankshaft rubber shock absorber model building module;

the single mass flywheel model building module is used for building a single mass flywheel model according to parameters related to the single mass flywheel;

the piston connecting rod crankshaft model building module is used for building a piston connecting rod crankshaft model according to parameters related to a piston connecting rod crankshaft and building connection between the piston connecting rod crankshaft model and the single mass flywheel model;

the crankshaft rubber shock absorber model building module is used for building a crankshaft rubber shock absorber model according to parameters related to the crankshaft rubber shock absorber and building connection between the crankshaft rubber shock absorber model and the piston connecting rod crankshaft model so as to obtain the engine model.

Further, the plurality of generator model parameter types includes: the size of the generator housing, the mass and moment of inertia of the generator housing, the location coordinates of the generator housing, the anchor point coordinates of the generator housing, the size of the rotor shaft, the mass and moment of inertia of the rotor shaft, the location coordinates of the rotor shaft, the anchor point coordinates of the spline shaft, the size of the spline shaft, the mass and moment of inertia of the spline shaft, the location coordinates of the spline shaft, the anchor point coordinates of the spline shaft, the backlash of the spline shaft, the damping and stiffness between the shafts, the size of the bearing, the location coordinates of the bearing, the degree of freedom of the bearing, the location coordinates and moment of drive, and PI control.

Further, the plurality of torsional damper model parameter types includes: the size of the primary model, the mass and the rotational inertia of the primary model, the positioning coordinate of the primary model, the anchor point coordinate of the primary model, the size of the secondary model, the mass and the rotational inertia of the secondary model, the positioning coordinate of the secondary model, the anchor point coordinate of the secondary model, a friction contact function between the primary model and the secondary model, an angle-rigidity curve of the secondary model and a connection mode of the secondary model and the spline shaft.

Further, the plurality of engine model parameter types includes: the size of the single mass flywheel, the mass and the rotational inertia of the single mass flywheel, the positioning coordinate of the single mass flywheel, the anchor point coordinate of the single mass flywheel, the size of the crankshaft rubber shock absorber, the mass and the rotational inertia of the crankshaft rubber shock absorber, the positioning coordinate of the crankshaft rubber shock absorber, the anchor point coordinate of the crankshaft rubber shock absorber, the damping and the rigidity of the crankshaft rubber shock absorber, the size of the piston, the mass and the rotational inertia of the piston, the positioning coordinate of the piston, the anchor point coordinate of the piston, the size of the piston pin, the mass and the rotational inertia of the piston pin, the positioning coordinate of the piston pin, the size of the connecting rod, the mass and the rotational inertia of the connecting rod, the positioning coordinate of the connecting rod, the anchor point coordinate of the connecting rod, the collineation constraint of the piston, the positioning coordinate of the connection of the piston pin and the connecting rod, the degree of freedom of the connection of the piston pin and the connecting rod, the positioning coordinate of the connection of the connecting rod and the crankshaft, The connecting rod is connected with the crankshaft, the crankshaft is in size, the crankshaft is located in the position coordinates, the crankshaft is located in the anchor point coordinates, the crankshaft is discrete and flexible in grid files, the main bearing seat is in size, the main bearing seat is located in the position coordinates, the main bearing seat is located in the anchor point coordinates, the main bearing seat is in degree of freedom, and a cylinder pressure curve of cylinder force.

Further, the plurality of suspension model parameter types include: the device comprises a suspension 1, a suspension 3 and a connecting component, wherein the suspension 1 comprises a positioning coordinate, an anchor point coordinate of the suspension 1, an anchor point coordinate of the connecting component corresponding to the suspension 1, a damping and rigidity curve of the suspension 1, a positioning coordinate of the suspension 2, an anchor point coordinate of the connecting component corresponding to the suspension 2, a damping and rigidity curve of the suspension 2, a positioning coordinate of the suspension 3, an anchor point coordinate of the connecting component corresponding to the suspension 3, and a damping and rigidity curve of the suspension 3.

Further, the adjusting parameters include: the moment of inertia, a cylinder pressure curve, spline shaft connection rigidity, starting time, torsional damper damping, engine friction torque, PI control parameters and a rotating speed range of the single-mass flywheel;

the simulation output result comprises: torque ripple curves, yaw angle ripple curves, angular velocity/angular acceleration ripple curves.

In a second aspect, an embodiment of the present invention further provides a simulation evaluation method for a range extender torsional vibration system, which is applied to the simulation evaluation system for a range extender torsional vibration system in the first aspect, and includes:

acquiring parameters input by a user based on a model parameter type list;

constructing a simulation model of the range extender torsional vibration system according to the parameters input by the user;

acquiring an adjusting parameter input by a user based on the adjustable parameter type list;

simulating a simulation model of the range extender torsional vibration system according to the adjusting parameters input by a user;

and obtaining a simulation output result according to the simulation, and using the simulation output result for evaluating the adjusting parameter.

Further, the simulation output result includes: a torque fluctuation curve, a deflection angle fluctuation curve, an angular velocity/angular acceleration fluctuation curve; obtaining a simulation output result according to the simulation, and using the simulation output result for evaluating the adjusting parameter, wherein the simulation output result comprises the following steps:

judging whether the fluctuation ranges, the maximum amplitudes and the minimum amplitudes of the torque fluctuation curve, the deflection angle fluctuation curve and the angular velocity/angular acceleration fluctuation curve meet the requirements of a preset NVH (noise vibration harshness);

if the requirement of the preset NVH is met, determining the adjusting parameter as an optimal solution;

and if the requirement of the preset NVH is not met, adjusting the adjusting parameters, simulating a simulation model of the range extender torsional vibration system according to the adjusted adjusting parameters, and evaluating the adjusted adjusting parameters according to a simulation output result obtained by simulation.

Further, a simulation model of the range extender torsional vibration system is constructed according to the parameters input by the user, and the simulation model comprises:

acquiring a target part model corresponding to the parameters from a part model library according to the parameters;

and connecting each target part model according to a preset model construction command and the parameters, and applying constraints and loads to obtain a simulation model of the range extender torsional vibration system.

In a third aspect, an embodiment of the present invention further provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the steps of the method according to any one of the above first aspects when executing the computer program.

In an embodiment of the present invention, a simulation evaluation system for a range extender torsional vibration system is provided, including: the device comprises a parameter input module, a model construction module, a parameter adjusting module, a simulation module and a result output module; the parameter input module is used for providing a model parameter type list and acquiring parameters input by a user based on the model parameter type list; the model building module is used for building a simulation model of the range extender torsional vibration system according to the parameters input by the user; the parameter adjusting module is used for providing an adjustable parameter type list and acquiring adjusting parameters input by a user based on the adjustable parameter type list; the simulation module is used for simulating a simulation model of the range extender torsional vibration system according to the adjusting parameters input by the user; and the result output module is used for obtaining a simulation output result according to the simulation of the simulation module so as to use the simulation output result in the evaluation of the adjusting parameters. According to the simulation evaluation system of the range extender torsional vibration system, a user only needs to input corresponding parameters into the model parameter type list provided by the parameter input module, the model building module can automatically build the simulation model of the range extender torsional vibration system according to the parameters input by the user, the process is simple, in addition, when relevant parameters are adjusted, the user only needs to input corresponding adjusting parameters into the adjustable parameter type list provided by the parameter adjusting module, the simulation of the simulation model of the range extender torsional vibration system under the condition of adjusting the parameters can be realized, the operation of the user is facilitated, and the technical problems that the process is complicated and the operation of simulation personnel is inconvenient when the conventional simulation evaluation is performed on the range extender torsional vibration system through simulation software are solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic diagram of a simulation evaluation system of a range extender torsional vibration system according to an embodiment of the present invention;

FIG. 2 is a side view of a model of a generator provided by an embodiment of the present invention;

FIG. 3 is a side view of a torsional vibration damper model provided in accordance with an embodiment of the present invention;

FIG. 4 is a side view of an engine model provided by an embodiment of the present invention;

FIG. 5 is a side view of a simulation model of a range extender torsional vibration system according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a torque ripple curve and an angular acceleration ripple curve corresponding to a minimum fuel point condition provided by an embodiment of the present invention;

fig. 7 is a schematic diagram of a corresponding deflection angle fluctuation curve under the starting condition provided by the embodiment of the present invention;

FIG. 8 is a schematic diagram of a corresponding torque fluctuation curve and a corresponding deflection angle fluctuation curve under a full-load condition according to an embodiment of the present invention, and a corresponding processed schematic diagram;

fig. 9 is a flowchart of a simulation evaluation method of a range extender torsional vibration system according to an embodiment of the present invention;

fig. 10 is a schematic diagram of an electronic device according to an embodiment of the present invention.

Icon: 11-a parameter input module; 12-a model building module; 13-a parameter adjustment module; 14-a simulation module; 15-result output module.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. 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.

At present, when a range extender torsional vibration system is simulated through simulation software, simulation personnel are required to perform complicated manual operation modeling on the range extender torsional vibration system in the simulation software, positions of all parameters are required to be memorized by the simulation personnel after modeling when relevant parameters are adjusted, and then the corresponding positions are clicked according to the parameters required to be modified to adjust the parameters, so that the range extender torsional vibration system is extremely inconvenient.

Based on this, in the simulation evaluation system of the range extender torsional vibration system, a user only needs to input corresponding parameters in the model parameter type list provided by the parameter input module, and the model construction module can automatically construct the simulation model of the range extender torsional vibration system according to the parameters input by the user.

To facilitate understanding of the embodiment, a detailed description is first given of the simulation evaluation system of the range extender torsional vibration system disclosed in the embodiment of the present invention.

The first embodiment is as follows:

according to the embodiment of the invention, the embodiment of the simulation evaluation system of the range extender torsional vibration system is provided. Fig. 1 is a schematic diagram of a simulation evaluation system of a range extender torsional vibration system according to an embodiment of the present invention, and as shown in fig. 1, the simulation evaluation system of the range extender torsional vibration system includes: the system comprises a parameter input module 11, a model building module 12, a parameter adjusting module 13, a simulation module 14 and a result output module 15;

the parameter input module 11 is used for providing a model parameter type list and acquiring parameters input by a user based on the model parameter type list;

the model building module 12 is used for building a simulation model of the range extender torsional vibration system according to the parameters input by the user;

the parameter adjusting module 13 is configured to provide an adjustable parameter type list and obtain an adjusting parameter input by a user based on the adjustable parameter type list;

the simulation module 14 is used for simulating a simulation model of the range extender torsional vibration system according to the adjustment parameters input by the user;

and the result output module 15 is used for obtaining a simulation output result according to the simulation of the simulation module so as to use the simulation output result for the evaluation of the adjusting parameter.

In an embodiment of the present invention, the simulation evaluation system of the range extender torsional vibration system may be a software system obtained by secondary development in multi-body dynamics software, for example, may be a software system obtained by secondary development in ADAMS software, or may also be a software system developed independently.

Specifically, the parameter input module provides a model parameter type list, and a user can input corresponding parameters according to the model parameter type list, so that the method is simple and convenient; the model building module corresponds to a preset model building command, so that the model building module can build a simulation model of the range extender torsional vibration system according to the preset model building command and the preset parameters; the parameter adjusting module provides an adjustable parameter type list, and a user can input corresponding adjusting parameters according to the adjustable parameter type list, so that the parameters can be conveniently modified and iterated; the simulation module corresponds to a model simulation code, after a user completes input of an adjusting parameter and triggers a simulation command, the simulation module can simulate the simulation model of the range extender torsional vibration system according to the adjusting parameter input by the user, and then the result output module obtains a simulation output result according to simulation of the simulation module so as to use the simulation output result in evaluation of the adjusting parameter.

Specifically, the result output module corresponds to a post-processing code, so that the output parameters can be conveniently extracted, and after corresponding values under conditions such as time domain/angle/rotating speed are extracted, post-processing can be performed to obtain a final simulation output result, for example: the torque fluctuation curve, the deflection angle fluctuation curve and the angular velocity/angular acceleration fluctuation curve can evaluate the NVH performance of the range extender torsional vibration system under the adjustment parameters through the curves, so that the adjustment parameters are subjected to multiple adjustment iterations, the corresponding adjustment parameters under the optimal state of the NVH performance of the range extender torsional vibration system can be obtained, and the actual vehicle structure of the range extender torsional vibration system and the auxiliary test and calibration of the subsequent parameters can be carried out according to the obtained final adjustment parameters subsequently.

In an embodiment of the present invention, a simulation evaluation system for a range extender torsional vibration system is provided, including: the device comprises a parameter input module, a model construction module, a parameter adjusting module, a simulation module and a result output module; the parameter input module is used for providing a model parameter type list and acquiring parameters input by a user based on the model parameter type list; the model building module is used for building a simulation model of the range extender torsional vibration system according to the parameters input by the user; the parameter adjusting module is used for providing an adjustable parameter type list and acquiring adjusting parameters input by a user based on the adjustable parameter type list; the simulation module is used for simulating a simulation model of the range extender torsional vibration system according to the adjustment parameters input by the user; and the result output module is used for obtaining a simulation output result according to the simulation of the simulation module so as to evaluate the adjustment parameters. According to the simulation evaluation system of the range extender torsional vibration system, a user only needs to input corresponding parameters into the model parameter type list provided by the parameter input module, the model building module can automatically build the simulation model of the range extender torsional vibration system according to the parameters input by the user, the process is simple, in addition, when relevant parameters are adjusted, the user only needs to input corresponding adjusting parameters into the adjustable parameter type list provided by the parameter adjusting module, the simulation of the simulation model of the range extender torsional vibration system under the condition of adjusting the parameters can be realized, the operation of the user is facilitated, and the technical problems that the process is complicated and the operation of simulation personnel is inconvenient when the conventional simulation evaluation is performed on the range extender torsional vibration system through simulation software are solved.

The above description briefly introduces the simulation evaluation system of the range extender torsional vibration system of the present invention, and the details related thereto are described in detail below.

In an optional embodiment of the invention, the parameter input module comprises: a generator model parameter input module; the model building module comprises: a generator model construction module;

and the generator model building module is used for building a generator model according to the parameters corresponding to each generator model parameter type.

Specifically, the multiple generator model parameter types include: the size of the generator housing, the mass and moment of inertia of the generator housing, the location coordinates of the generator housing, the anchor coordinates of the generator housing, the size of the rotor shaft, the mass and moment of inertia of the rotor shaft, the location coordinates of the rotor shaft, the anchor coordinates of the rotor shaft, the size of the spline shaft, the mass and moment of inertia of the spline shaft, the location coordinates of the spline shaft, the anchor coordinates of the spline shaft, the backlash of the spline shaft, the damping and stiffness between the shafts, the size of the bearing, the location coordinates of the bearing, the degree of freedom of the bearing, the location coordinates and moment of drive, and PI control.

Specifically, the various generator model parameter types are shown in the following table:

in an alternative embodiment of the invention, the generator model building module comprises: the generator shell model building module, the rotor shaft model building module and the spline shaft model building module are arranged in the generator shell;

the rotor shaft model building module is used for building a rotor shaft model according to parameters related to the rotor shaft and building connection between the rotor shaft model and the motor shell model;

and the spline shaft model building module is used for building a spline shaft model according to parameters related to the spline shaft, building connection between the spline shaft model and the rotor shaft model and further obtaining a generator model.

Specifically, the generator shell model building module corresponds to a preset generator shell model building command, and when the generator shell model building module is implemented, a generator shell model is obtained from a part model library, and then a generator shell model corresponding to parameters related to a generator shell is built in a simulation interface according to the parameters related to the generator shell; the method comprises the steps that a rotor shaft model building module corresponds to a preset rotor shaft model building command, when the preset rotor shaft model building command is achieved, a rotor shaft model is obtained in a part model library, then a rotor shaft model corresponding to parameters related to a rotor shaft is built in a simulation interface according to the parameters related to the rotor shaft, and connection between the rotor shaft model and a motor shell model is built; the spline shaft model building module corresponds to a preset spline shaft model building command, when the spline shaft model building module is implemented, a spline shaft model is obtained in a part model base, then a spline shaft model corresponding to parameters related to the spline shaft is built in a simulation interface according to the parameters related to the spline shaft, connection between the spline shaft model and a rotor shaft model is built, constraints and loads are applied at the same time, and then a generator model is built. The rotor shaft is fixed on a generator shell through a bearing, and proper freedom degree is set for the bearing (namely, constraint is applied to the bearing); the rotor shaft and the spline shaft are connected through setting damping and rigidity, one end of the spline shaft, far away from the rotor shaft, is adjusted through setting a tooth gap, rigid connection can be set between the spline shaft and a torsional vibration absorber at the rear end of the spline shaft or flexible connection simulation is carried out through certain damping and rigidity, driving is controlled by moment and PI control parameters, and the side view of the finally constructed generator model is shown in figure 2.

In an optional embodiment of the present invention, the parameter input module further comprises: a torsional vibration damper model parameter input module; the model building module further comprises: a torsional vibration damper model building module;

and the torsional vibration damper model building module is used for building a torsional vibration damper model according to the parameters corresponding to the parameter types of each torsional vibration damper model and building the connection between the torsional vibration damper model and the generator model built by the generator model building module.

Specifically, the torsional damper model is disassembled into two stages of damping mechanisms (hereinafter referred to as a primary model and a secondary model), and the various torsional damper model parameter types include: the size of the primary model, the mass and the rotational inertia of the primary model, the positioning coordinate of the primary model, the anchor point coordinate of the primary model, the size of the secondary model, the mass and the rotational inertia of the secondary model, the positioning coordinate of the secondary model, the anchor point coordinate of the secondary model, a friction contact function between the primary model and the secondary model, an angle-rigidity curve of the secondary model and a connection mode of the secondary model and the spline shaft.

Specifically, the various torsional damper model parameter types are shown in the following table:

in an alternative embodiment of the present invention, the torsional damper model building block comprises: the system comprises a first-level model building module and a second-level model building module;

and the secondary model building module is used for building a secondary model according to the parameters related to the secondary model, and building the connection between the secondary model and the primary model so as to obtain the torsional damper model.

Specifically, the primary model building module corresponds to a preset primary model building command, and when the primary model building command is realized, a primary model is obtained in a part model library, and then the primary model corresponding to the parameters related to the primary model is built in a simulation interface according to the parameters related to the primary model; and when the second-stage model building module corresponds to a preset second-stage model building command, a second-stage model is obtained in the part model base, then the second-stage model corresponding to the parameters related to the second-stage model is built in the simulation interface according to the parameters related to the second-stage model, the connection between the second-stage model and the first-stage model is built, and constraints and loads are applied at the same time, so that the torsional damper model is built. Wherein, torsional vibration damper and integral key shaft fixed connection specifically are second grade model and integral key shaft fixed connection, and wherein the torsional vibration damper model includes two parts: the first-stage model and the second-stage model are coupled through an angle-rigidity curve (specifically, the relationship between the angle and the damping and the relationship between the rigidity and the damping) and a friction contact function respectively. According to different working conditions, different damping curves (namely angle-stiffness curves) are correspondingly selected, and the finally constructed side view of the torsional vibration damper model is shown in FIG. 3.

In an optional embodiment of the invention, the parameter input module further comprises: an engine model parameter input module; the model building module further comprises: an engine model construction module;

and the engine model building module is used for building an engine model according to the parameters corresponding to the parameter types of each engine model and building the connection between the engine model and the torsional vibration damper model built by the torsional vibration damper model building module.

Specifically, the various engine model parameter types include: the size of a single mass flywheel, the mass and the rotational inertia of the single mass flywheel, the positioning coordinate of the single mass flywheel, the anchor point coordinate of the single mass flywheel, the size of a crankshaft rubber shock absorber, the mass and the rotational inertia of the crankshaft rubber shock absorber, the positioning coordinate of the crankshaft rubber shock absorber, the damping and the rigidity of the crankshaft rubber shock absorber, the size of a piston, the mass and the rotational inertia of a piston, the positioning coordinate of a piston, the anchor point coordinate of a piston, the size of a piston pin, the mass and the rotational inertia of a piston pin, the positioning coordinate of a piston pin, the size of a connecting rod, the mass and the rotational inertia of a connecting rod, the positioning coordinate of a connecting rod, the anchor point coordinate of a connecting rod, the collinear constraint of a piston, the positioning coordinate of a piston pin connected with a connecting rod, the degree of freedom of a piston pin connected with a connecting rod, the positioning coordinate of a connecting rod connected with a crankshaft, the piston pin connected with a connecting rod, the connecting rod connected with a crankshaft, The degree of freedom of the connection of the connecting rod and the crankshaft, the size of the crankshaft, the positioning coordinate of the crankshaft, the anchor point coordinate of the crankshaft, the discrete flexible grid file of the crankshaft, the size of the main bearing seat, the positioning coordinate of the main bearing seat, the anchor point coordinate of the main bearing seat, the degree of freedom of the main bearing seat and the cylinder pressure curve of cylinder force.

Specifically, the various engine model parameter types are shown in the following table:

	single mass flywheel	TVD (crankshaft rubber vibration absorber)
			Size (Length, radius)	√	√
Mass and moment of inertia	√	√
			Location coordinates	√	√
Anchor point coordinates (general centroid position)	√	√
			Other parameters	/	Damping and stiffness

In an alternative embodiment of the invention, the engine model building module comprises: the device comprises a single mass flywheel model building module, a piston connecting rod crankshaft model building module and a crankshaft rubber shock absorber model building module;

the piston connecting rod crankshaft model building module is used for building a piston connecting rod crankshaft model according to parameters related to the piston connecting rod crankshaft and building connection between the piston connecting rod crankshaft model and the single mass flywheel model;

and the crankshaft rubber shock absorber model building module is used for building a crankshaft rubber shock absorber model according to parameters related to the crankshaft rubber shock absorber, and building connection between the crankshaft rubber shock absorber model and the piston connecting rod crankshaft model so as to obtain an engine model.

Specifically, the single mass flywheel model building module corresponds to a preset single mass flywheel model building command, and when the single mass flywheel model building command is implemented, a single mass flywheel model is obtained in a part model library, and then a single mass flywheel model corresponding to parameters related to the single mass flywheel is built in a simulation interface according to the parameters related to the single mass flywheel; the method comprises the steps that a piston connecting rod crankshaft model building module corresponds to a preset piston connecting rod crankshaft model building command, when the piston connecting rod crankshaft model building module is implemented, a piston model, a connecting rod model, a crankshaft model and a main bearing seat model are obtained in a part model library, then, part models corresponding to parameters are built in a simulation interface according to the parameters related to a piston, the parameters related to a connecting rod, the parameters related to a crankshaft and the parameters related to a main bearing seat, connection among the part models is built, the piston connecting rod crankshaft model is further obtained, and the built piston connecting rod crankshaft model is connected with a simple mass flywheel model; the method comprises the steps that a crankshaft rubber shock absorber model building module corresponds to a preset crankshaft rubber shock absorber model building command, when the crankshaft rubber shock absorber model building module is implemented, a crankshaft rubber shock absorber model is obtained in a part model library, then the crankshaft rubber shock absorber model corresponding to parameters related to the crankshaft rubber shock absorber is built in a simulation interface according to the parameters related to the crankshaft rubber shock absorber, connection between the crankshaft rubber shock absorber model and a piston connecting rod crankshaft model is built, constraint and load are applied at the same time, and then an engine model is built. The single-mass flywheel is fixedly connected with the crankshaft, the crankshaft rubber shock absorber is fixedly connected with the crankshaft through damping and rigidity, the crankshaft is set to be a flexible body and is simulated through grids, other parts of the engine model are rigid bodies, the connection of 5 main bearing seats and a connecting rod on the crankshaft and the crankshaft is simulated through the freedom degree set by a bearing unit, the piston is loaded with cylinder pressure curves under different working conditions to realize the motion of the piston, and a side view of the finally constructed engine model is shown in fig. 4.

In an optional embodiment of the present invention, the parameter input module further comprises: a suspension model parameter input module; the model building module further comprises: a suspension model building module;

the suspension model building module is used for building a suspension model according to the parameters corresponding to each suspension model parameter type, building connection between the suspension model and the corresponding connecting component, and further obtaining a simulation model of the range extender torsional vibration system, wherein the connecting component comprises: the generator model constructed by the generator model construction module and the engine model constructed by the engine model construction module.

Specifically, the multiple suspension model parameter types include: the method comprises the following steps of determining the positioning coordinate of a suspension 1, the anchor point coordinate of the suspension 1, the anchor point coordinate of a connecting part corresponding to the suspension 1, the damping and rigidity curve of the suspension 1, the positioning coordinate of the suspension 2, the anchor point coordinate of a connecting part corresponding to the suspension 2, the damping and rigidity curve of the suspension 2, the positioning coordinate of the suspension 3, the anchor point coordinate of a connecting part corresponding to the suspension 3 and the damping and rigidity curve of the suspension 3.

Specifically, the various suspension model parameter types are shown in the following table:

in addition, the suspension model building module corresponds to a preset suspension model building command, firstly obtains a target part model corresponding to the parameters from the part model library according to the parameters, and then connects each target part model according to the preset model building command and the parameters to build and obtain the suspension model. The suspension model is simulated through the shaft sleeve model, connected with the ground and a shell of the connecting component, fitted through the damping and rigidity curves, and finally constructed to obtain a side view of the simulation model of the range extender torsional vibration system, which is shown in fig. 5.

In an alternative embodiment of the invention, the adjustment parameters include: the moment of inertia, a cylinder pressure curve, spline shaft connection rigidity, starting time, torsional damper damping, engine friction torque, PI control parameters and a rotating speed range of the single-mass flywheel; the design of the adjusting parameters is more scientific and reasonable, and the final result is more accurate;

The torque ripple curve may specifically include: a torque fluctuation curve of a crankshaft side of the torsional damper model, a torque fluctuation curve of a clutch side (namely a primary model) of the torsional damper model, and a torque fluctuation curve of the generator model; the deflection angle fluctuation curve may specifically include: a deflection angle fluctuation curve of a crankshaft of the torsional vibration damper, a deflection angle fluctuation curve of the torsional vibration damper; the angular velocity/angular acceleration fluctuation curve may specifically include: an angular velocity/angular acceleration fluctuation curve on the crankshaft side of the torsional damper, and an angular velocity/angular acceleration fluctuation curve on the generator side.

Fig. 6 shows schematic diagrams of a torque fluctuation curve and an angular acceleration fluctuation curve corresponding to a minimum fuel point operating condition (different operating conditions correspond to different adjustment parameters), fig. 7 shows a schematic diagram of a deflection angle fluctuation curve corresponding to a start operating condition, and fig. 8 shows schematic diagrams of a torque fluctuation curve and a deflection angle fluctuation curve corresponding to a full-load operating condition and a corresponding processed schematic diagram.

It should be noted that: the abscissas corresponding to different working conditions are different, because some are torque fluctuation under the corresponding time, some are torque fluctuation under the corresponding crank angle, and some are torque fluctuation under the corresponding rotating speed.

The simulation evaluation system of the range extender torsional vibration system provided by the invention is used for building a modularized simulation model aiming at the range extender torsional vibration system, and the range extender torsional vibration system is disassembled into three parts for carrying out packaging type modeling, and can be realized through a simulation means: the method comprises the following steps that modularization of a generator model, modularization of a torsional vibration damper model and modularization of an engine model are achieved, structural characteristics of a range extender torsional vibration system are comprehensively considered by the three modules, performance evaluation can be conducted on a range extender torsional vibration system design scheme (type selection parameters) through a simulation means in the early stage of design, relevant data are changed through a parameterized list (a model parameter type list provided by a parameter input module), a corresponding simulation model of the range extender torsional vibration system can be obtained, multiple times of simulation adjustment can be conducted through changing main parameters (an adjustable parameter type list provided by a parameter adjusting module), and the optimal design value of adjusting parameters can be iterated; in addition, input parameters and output parameters are set in a modularized manner, because the simulation model of the range extender torsional vibration system has more simulation input parameters, the parameters are listed according to parameter values, variable values and adjustment values, the parameters are convenient to modify and iterate, the output parameters are conveniently extracted, after corresponding values under the conditions of time domain, angle, rotating speed and the like are extracted, post-processing can be carried out through a secondary development program to obtain corresponding torque fluctuation curves, angular acceleration fluctuation curves and deflection angle fluctuation curves, the performance of the system is effectively evaluated, the inherent frequency of the system can be obtained by carrying out fast Fourier transform on the deflection angle fluctuation curves, numerous parameters can be set and adjusted in a modularized manner through the modularization of the parameters, the variables are effectively combed, the optimal solution of product design is obtained, and the influence of each parameter on the performance of the system is effectively evaluated, and a clear improvement idea is provided for subsequent calibration and adjustment.

Example two:

according to an embodiment of the present invention, there is provided an embodiment of a simulation evaluation method for a range extender torsional vibration system, it should be noted that the steps illustrated in the flowchart of the attached drawings can be executed in a computer system such as a set of computer executable instructions, and although a logical order is illustrated in the flowchart, in some cases, the steps illustrated or described can be executed in an order different from the order illustrated.

Fig. 9 is a flowchart of a simulation evaluation method for a range extender torsional vibration system according to an embodiment of the present invention, which is applied to the simulation evaluation system for the range extender torsional vibration system according to the embodiment of the present invention, and as shown in fig. 9, the method includes the following steps:

step S902, obtaining parameters input by a user based on a model parameter type list;

step S904, constructing a simulation model of the range extender torsional vibration system according to parameters input by a user;

step S906, acquiring an adjusting parameter input by a user based on the adjustable parameter type list;

step S908, simulating a simulation model of the range extender torsional vibration system according to the adjustment parameters input by the user;

step S910, obtaining a simulation output result according to the simulation, so as to use the simulation output result in the evaluation of the adjustment parameter.

In the simulation evaluation method of the range extender torsional vibration system, a user can automatically construct the simulation model of the range extender torsional vibration system according to the parameters input by the user only by inputting the corresponding parameters in the model parameter type list, the process is simple, in addition, when the related parameters are adjusted, the user only needs to input the corresponding adjusting parameters in the adjustable parameter type list, the simulation of the simulation model of the range extender torsional vibration system under the condition of adjusting the parameters can be realized, the operation of the user is convenient, and the technical problems of complicated process and inconvenience for operation of simulation personnel when the conventional simulation evaluation method of the range extender torsional vibration system is carried out through simulation software are solved.

In an optional embodiment of the invention, the simulation output result comprises: a torque fluctuation curve, a deflection angle fluctuation curve, an angular velocity/angular acceleration fluctuation curve; in the step S910, a simulation output result is obtained according to the simulation, so that the simulation output result is used for evaluating the adjustment parameter, which specifically includes the following steps:

(1) judging whether the fluctuation ranges, the maximum amplitudes and the minimum amplitudes of the torque fluctuation curve, the deflection angle fluctuation curve and the angular speed/angular acceleration fluctuation curve meet the requirements of a preset NVH (noise vibration harshness);

(2) if the requirement of the preset NVH is met, determining the adjusting parameter as the optimal solution;

(3) and if the requirement of the preset NVH is not met, adjusting the adjusting parameters, simulating the simulation model of the range extender torsional vibration system according to the adjusted adjusting parameters, and evaluating the adjusted adjusting parameters according to a simulation output result obtained by simulation.

The requirement of the preset NVH may specifically be whether the fluctuation range is within a first preset threshold, whether the maximum amplitude is smaller than a second preset threshold, and the like.

In an optional embodiment of the present invention, in the step S904, the constructing a simulation model of the range extender torsional vibration system according to the parameters input by the user specifically includes the following steps:

(1) acquiring a target part model corresponding to the parameters from a part model library according to the parameters;

(2) and connecting the target part models according to preset model construction commands and parameters, and applying constraints and loads to obtain a simulation model of the range extender torsional vibration system.

The method provided by the embodiment of the present invention has the same implementation principle and technical effect as the system embodiment, and for the sake of brief description, reference may be made to the corresponding contents in the system embodiment for the parts that are not mentioned in the method embodiment.

As shown in fig. 10, an electronic device 600 provided in an embodiment of the present application includes: the system comprises a processor 601, a memory 602 and a bus, wherein the memory 602 stores machine-readable instructions executable by the processor 601, when the electronic device runs, the processor 601 and the memory 602 communicate through the bus, and the processor 601 executes the machine-readable instructions to execute the steps of the simulation evaluation method of the range extender torsional vibration system.

Specifically, the memory 602 and the processor 601 can be general memories and processors, which are not limited to specific examples, and the simulation evaluation method of the range extender torsional vibration system can be executed when the processor 601 runs a computer program stored in the memory 602.

The processor 601 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 601. The Processor 601 may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; the device can also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field-Programmable Gate Array (FPGA), or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components. The various methods, steps, and logic blocks disclosed in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in the memory 602, and the processor 601 reads the information in the memory 602 and completes the steps of the method in combination with the hardware thereof.

Corresponding to the simulation evaluation method of the range extender torsional vibration system, the embodiment of the application also provides a computer readable storage medium, wherein a machine executable instruction is stored in the computer readable storage medium, and when the computer executable instruction is called and executed by a processor, the computer executable instruction causes the processor to execute the steps of the simulation evaluation method of the range extender torsional vibration system.

The simulation evaluation device of the range extender torsional vibration system provided by the embodiment of the application can be specific hardware on equipment or software or firmware installed on the equipment and the like. The device provided by the embodiment of the present application has the same implementation principle and technical effect as the foregoing method embodiments, and for the sake of brief description, reference may be made to the corresponding contents in the foregoing method embodiments where no part of the device embodiments is mentioned. It can be clearly understood by those skilled in the art that, for convenience and simplicity of description, the specific working processes of the system, the apparatus and the unit described above may all refer to the corresponding processes in the method embodiments, and are not described herein again.

In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.

For another example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments provided in the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.

The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solutions of the present application, or portions of the technical solutions that substantially contribute to the prior art, may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for enabling an electronic device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the vehicle marking method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a portable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other media capable of storing program codes.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures, and moreover, the terms "first," "second," "third," etc. are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present application, and are used to illustrate the technical solutions of the present application, but not to limit the technical solutions, and the scope of the present application is not limited to the above-mentioned embodiments, although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope disclosed in the present application; such modifications, changes or substitutions do not depart from the scope of the embodiments of the present application. Are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A simulation evaluation system of a range extender torsional vibration system is characterized by comprising: the system comprises a parameter input module, a model construction module, a parameter adjusting module, a simulation module and a result output module;

and the result output module is used for obtaining a simulation output result according to the simulation of the simulation module so as to use the simulation output result for evaluating the adjusting parameter.

2. The simulation evaluation system of a range extender torsional vibration system of claim 1, wherein the parameter input module comprises: a generator model parameter input module; the model building module comprises: a generator model construction module;

3. The simulation evaluation system of the range extender torsional vibration system of claim 1, wherein the parameter input module further comprises: a torsional vibration damper model parameter input module; the model building module further comprises: a torsional vibration damper model building module;

the torsional vibration damper model building module is used for building a torsional vibration damper model according to the parameters corresponding to each type of the torsional vibration damper model parameter, and building connection between the torsional vibration damper model and a generator model built by the generator model building module.

4. The simulation evaluation system of a range extender torsional vibration system of claim 1, wherein the parameter input module further comprises: an engine model parameter input module; the model building module further comprises: an engine model construction module;

5. The simulation evaluation system of a range extender torsional vibration system of claim 1, wherein the parameter input module further comprises: a suspension model parameter input module; the model building module further comprises: a suspension model building module;

6. The simulation evaluation system of the range extender torsional vibration system of claim 2, wherein the generator model construction module comprises: the generator shell model building module, the rotor shaft model building module and the spline shaft model building module are arranged in the generator shell;

7. The simulation evaluation system of a range extender torsional vibration system of claim 3, wherein the torsional vibration damper model building module comprises: the system comprises a first-level model building module and a second-level model building module;

8. The simulation evaluation system of the range extender torsional vibration system of claim 4, wherein the engine model construction module comprises: the device comprises a single mass flywheel model building module, a piston connecting rod crankshaft model building module and a crankshaft rubber shock absorber model building module;

9. The simulation evaluation system of the range extender torsional vibration system of claim 2, wherein the plurality of generator model parameter types comprise: the size of the generator housing, the mass and moment of inertia of the generator housing, the location coordinates of the generator housing, the anchor coordinates of the generator housing, the size of the rotor shaft, the mass and moment of inertia of the rotor shaft, the location coordinates of the rotor shaft, the anchor coordinates of the rotor shaft, the size of the spline shaft, the mass and moment of inertia of the spline shaft, the location coordinates of the spline shaft, the anchor coordinates of the spline shaft, the backlash of the spline shaft, the damping and stiffness between the shafts, the size of the bearing, the location coordinates of the bearing, the degree of freedom of the bearing, the location coordinates and moment of drive, and PI control.

10. The simulation evaluation system of a range extender torsional vibration system of claim 3, wherein the plurality of torsional damper model parameter types comprises: the size of the primary model, the mass and the rotational inertia of the primary model, the positioning coordinates of the primary model, the anchor point coordinates of the primary model, the size of the secondary model, the mass and the rotational inertia of the secondary model, the positioning coordinates of the secondary model, the anchor point coordinates of the secondary model, a friction contact function between the primary model and the secondary model, an angle-rigidity curve of the secondary model and a connection mode of the secondary model and the spline shaft.

11. The simulation evaluation system of the range extender torsional vibration system of claim 4, wherein the plurality of engine model parameter types comprises: the size of a single mass flywheel, the mass and the rotational inertia of the single mass flywheel, the positioning coordinate of the single mass flywheel, the anchor point coordinate of the single mass flywheel, the size of a crankshaft rubber shock absorber, the mass and the rotational inertia of the crankshaft rubber shock absorber, the positioning coordinate of the crankshaft rubber shock absorber, the damping and the rigidity of the crankshaft rubber shock absorber, the size of a piston, the mass and the rotational inertia of a piston, the positioning coordinate of a piston, the anchor point coordinate of a piston, the size of a piston pin, the mass and the rotational inertia of a piston pin, the positioning coordinate of a piston pin, the size of a connecting rod, the mass and the rotational inertia of a connecting rod, the positioning coordinate of a connecting rod, the anchor point coordinate of a connecting rod, the collinear constraint of a piston, the positioning coordinate of a piston pin connected with a connecting rod, the degree of freedom of a piston pin connected with a connecting rod, the positioning coordinate of a connecting rod connected with a crankshaft, the piston pin connected with a connecting rod, the connecting rod connected with a crankshaft, The degree of freedom of the connection of the connecting rod and the crankshaft, the size of the crankshaft, the positioning coordinate of the crankshaft, the anchor point coordinate of the crankshaft, the discrete flexible grid file of the crankshaft, the size of the main bearing seat, the positioning coordinate of the main bearing seat, the anchor point coordinate of the main bearing seat, the degree of freedom of the main bearing seat and the cylinder pressure curve of cylinder force.

12. The simulation evaluation system of the range extender torsional vibration system of claim 5, wherein the plurality of suspension model parameter types comprise: the method comprises the following steps of determining the positioning coordinate of a suspension 1, the anchor point coordinate of the suspension 1, the anchor point coordinate of a connecting part corresponding to the suspension 1, the damping and rigidity curve of the suspension 1, the positioning coordinate of the suspension 2, the anchor point coordinate of a connecting part corresponding to the suspension 2, the damping and rigidity curve of the suspension 2, the positioning coordinate of the suspension 3, the anchor point coordinate of a connecting part corresponding to the suspension 3 and the damping and rigidity curve of the suspension 3.

13. The simulation evaluation system of a range extender torsional vibration system of claim 1, wherein the tuning parameters comprise: the rotary inertia of the single-mass flywheel, a cylinder pressure curve, spline shaft connection rigidity, starting time, torsional damper damping, engine friction torque, PI control parameters and a rotating speed range;

14. A simulation evaluation method of a range extender torsional vibration system is applied to the simulation evaluation system of the range extender torsional vibration system of any one of claims 1 to 13, and comprises the following steps:

acquiring parameters input by a user based on a model parameter type list;

simulating a simulation model of the range extender torsional vibration system according to the adjusting parameters input by the user;

15. The simulation evaluation method of the range extender torsional vibration system of claim 14, wherein the simulation output result comprises: a torque fluctuation curve, a deflection angle fluctuation curve, an angular velocity/angular acceleration fluctuation curve; obtaining a simulation output result according to the simulation, and using the simulation output result in the evaluation of the adjusting parameter, wherein the simulation output result comprises the following steps:

16. The simulation evaluation method of the range extender torsional vibration system according to claim 14, wherein the constructing of the simulation model of the range extender torsional vibration system according to the parameters input by the user comprises:

17. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the steps of the method of any one of claims 14 to 16 when executing the computer program.