CN207535845U - kinetic energy monitoring system - Google Patents
kinetic energy monitoring system Download PDFInfo
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- CN207535845U CN207535845U CN201720916915.6U CN201720916915U CN207535845U CN 207535845 U CN207535845 U CN 207535845U CN 201720916915 U CN201720916915 U CN 201720916915U CN 207535845 U CN207535845 U CN 207535845U
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Abstract
The utility model provides kinetic energy monitoring system, which includes：CAN bus, monitoring modular, data acquisition memory module, data feedback processing module and the control module being arranged on vehicle, data acquisition memory module is connect by CAN bus with monitoring modular, data feedback processing module is connect by CAN bus with control module, data feedback processing module is connect with data acquisition memory module, wherein, monitoring modular, for monitoring the dynamic operation data of vehicle；Data acquire memory module, for acquiring dynamic operation data from monitoring modular and storing the static data of vehicle；Data feedback processing module for obtaining operation data from data acquisition memory module, carries out operation to operation data, operation result is fed back to control module；Control module, for accurately being controlled vehicle according to feedback signal.
Description
Technical field
The utility model is related to a kind of Vehicular intelligent control field more particularly to a kind of kinetic energy monitoring systems.
Background technology
Traditional car does not have the monitoring and control system of vehicle energy with truck, thus can lead to the braking of conventional truck
Energy can not be recycled, and energy consumption of vehicles is higher.
It is especially more and more stringenter in the regulation of discharge as the level of electronic IT of present automobile is higher and higher, it is energy saving to subtract
The requirement of row is higher and higher so that the process of automotive circuit diagram is being accelerated.Now, due to the raising of state compulsion regulation and
A large amount of uses of dynamic gearbox, diesel vehicle all has been realized in automatically controlledization, and is all due to using above new-energy automobile
The dynamical system of electronic control technology, electronic degree are also higher.But in the prior art, either automatically controlledization diesel vehicle is still
New-energy automobile, electric-control system are all only applied to the dynamical system of vehicle, i.e. finished vehicle electronic degree is low, can not accurately obtain
Vehicle-state and operating parameter are taken, causes gathered data incomplete, fuzzy control can only be carried out to vehicle, and can not achieve accurate control
System.
For new-energy automobile, fuzzy control only is carried out to vehicle, is that the braking energy of vehicle can not be carried out in advance
Judge simultaneously high efficiency recycling.Specifically, existing Brake energy recovery is all to be by the size decision systems of feedback current
It is no can energy storage, electric current crosses conference and battery system is damaged, and since current finished vehicle electronic degree is low, vehicle is caused to run
In most of operating mode judge it is unclear, it is impossible to prejudged in advance, therefore most of braking energy dare not be recycled and can not be recycled,
The universal rate of recovery only has below 5%-10%.Also therefore, 200 kilometers of new energy can be generally travelled under at the uniform velocity 40 kilometers of operating modes
Source automobile can only travel 70-80 kilometers in the operating mode of city.
Utility model content
The utility model aims to solve the problem that conventional truck high energy consumption, braking energy can not recycle and existing new energy
Source Automobile Electronic degree is low, it is impossible to realize the problems such as vehicle accurately controls.
The main purpose of the utility model is that provide a kind of kinetic energy monitoring system.
In order to achieve the above objectives, the technical solution of the utility model is specifically realized in：
A kind of kinetic energy monitoring system, including：CAN bus, monitoring modular, the data being arranged on vehicle acquire storage mould
Block, data feedback processing module and control module, data acquisition memory module are connect by CAN bus with monitoring modular, number
It is connect according to feedback processing modules by CAN bus with control module, data feedback processing module connects with data acquisition memory module
It connects, wherein, monitoring modular, for monitoring the dynamic operation data of vehicle；Data acquire memory module, for being adopted from monitoring modular
Collect dynamic operation data and store the static data of vehicle；Data feedback processing module, for acquiring memory module from data
Operation data is obtained, operation is carried out to operation data, operation result is fed back into control module；Control module, for according to anti-
Feedback signal accurately controls vehicle.
In addition, monitoring modular includes at least：Wheel speed sensors, on the wheel of vehicle, for calculating turning for wheel
Speed；Gasbag pressure sensor, in the pneumatic circuit of the air bag of vehicle, in the case where keeping vehicle uniform height
Calculate load and the thrust load of vehicle；Position of centre of gravity sensor mounted in the first pre-determined distance of Vehicular air bag, is used for
Calculate the changing value of height of car；Vehicle attitude sensor, in the mass centre of vehicle, for calculating the inclination of vehicle
Angle；Tyre pressure sensor, on the wheel hub inside vehicle tyre, for measuring the tire pressure of tire；Wind speed wind direction sensor,
Mounted on the outside of vehicle roof and in the second pre-determined distance apart from front windshield glass of car, for measuring the wind outside vehicle
Speed and wind direction；Vehicle speed sensor, mounted on the bottom of vehicle, for measuring the absolute velocity of vehicle；Brake pedal position senses
Device, under the brake pedal of vehicle, for calculating the acceleration of the position of brake pedal and brake pedal position variation；Electricity
Seed oil door position sensor, under the gas pedal of vehicle, position and accelerator pedal position for calculation of throttle pedal
The acceleration of variation.
In addition, monitoring modular further includes：Miscellaneous function sensor, for monitoring miscellaneous function sensor parameters；Assist work(
Energy sensor includes：Electric energy management unit, use and start mandate, interior outer temperature sensor, multi-functional steering wheel, night vision
Instrument, interior monitoring system, lamp light management system, GPS navigator, combination instrument, intelligent air-conditioning system, left front spacing sensor,
Left back spacing sensor, right front truck are away from sensor and right rear car away from sensor.
In addition, monitoring modular further includes：Switching variable harvester, for monitoring switch variable；Switching variable acquisition dress
Put including：Vehicle door status sensor and ignition ring position sensor.
In addition, monitoring modular further includes：Power system parameter harvester, for monitoring the engine parameter of vehicle, becoming
Fast case and main reducing gear parameter, ABS parameters and differential mechanism parameter.
In addition, monitoring modular further includes：Valve open position sensor, for measuring valve opening amount.
In addition, static data includes at least：Vehicle dimensional parameters and first database；Vehicle dimensional parameters include at least：
Tire specification, axis weight parameter, barycentric coodinates and positive front face area；First database includes at least：Ground surface resistance coefficient
Database, coefficient of air resistance database, coefficient of tractor database and coefficient of road adhesion database.
The utility model provides a kind of kinetic energy monitoring system it can be seen from above-mentioned technical solution provided by the utility model
System.Using kinetic energy monitoring system provided by the utility model, can by monitoring module monitors vehicle each sensor it is dynamic
State operation data acquires memory module by data and acquires dynamic operation data, and store static data, then at data feedback
Reason module determines vehicle dynamic details by the dynamic operation data and static data that get, and passes through change control and become
Amount and PID are adjusted, and the accurate control of vehicle is realized using control module, the automatically controlled level of vehicle is improved, changes cars on hand
, the especially low-level fuzzy control present situation of hybrid power and electronic buffet coach and truck.It is energy saving so as to reach,
Low consumed purpose drops.
Description of the drawings
Fig. 1 is the structure diagram of a kind of kinetic energy monitoring system that the utility model embodiment 1 provides；
Fig. 2 is the part-structure schematic diagram of a kind of kinetic energy monitoring system that the utility model embodiment 1 provides；
Fig. 3 is that the data that the utility model embodiment 1 provides acquire memory cell signal data detail drawing；
Fig. 4 is a kind of method accurately controlled using kinetic energy monitoring system that the utility model embodiment 2 provides
Flow chart；
Fig. 5 is a kind of method accurately controlled using kinetic energy monitoring system that the utility model embodiment 2 provides
Schematic diagram.
Specific embodiment
In order to more specifically describe the utility model, below in conjunction with the accompanying drawings and specific embodiment is to the utility model
Technical solution is described in detail.
Embodiment 1
Fig. 1 is a kind of structure diagram of kinetic energy monitoring system provided in this embodiment, and Fig. 2 is one kind provided in this embodiment
The part-structure schematic diagram of kinetic energy monitoring system, Fig. 3 acquire memory cell signal data detail drawing for data provided in this embodiment.
In conjunction with Fig. 1 to Fig. 3, the structure and principle of the kinetic energy monitoring system of embodiment offer are described in detail.
A kind of kinetic energy monitoring system applied to vehicle is present embodiments provided, including：Monitoring modular 1, data acquisition are deposited
Module 2, data feedback processing module 3 and control module 4 are stored up, as shown in Figure 1, monitoring modular 1 acquires memory module 2 with data
Connection, data feedback processing module 3 acquires memory module 2 with data respectively and control module 4 is connect, wherein, monitoring modular 1,
For monitoring the dynamic operation data of vehicle；Data acquire memory module 2, for acquiring dynamic operation data from monitoring modular 1
And the static data of storage vehicle；The data feedback processing module 3, for obtaining operation number from data acquisition memory module
According to, to operation data carry out operation, operation result is fed back into the control module 4.Specifically, operation data includes the first number
According to the second data.Data feedback processing module 3, for obtaining the first data and the second data from data acquisition memory module,
And operation is carried out to the first data and the second data according to default operation strategy, and feedback signal is generated according to operation result, it will be anti-
Feedback signal is sent to control module 4, wherein, the first data include part or all of dynamic operation data, and the second data include portion
Point or whole static data；Control module 4, for accurately being controlled vehicle according to feedback signal.
Using kinetic energy monitoring system provided in this embodiment, can each sensor on vehicle be monitored by monitoring modular 1
State, by multiple sensors technology, chassis and the auto body technique of vehicle, obtain accurate vehicle state and operating parameter, so
Afterwards by transmission sensor data, and called data library parameter, allow the accurate survey calculation vehicle of the kinetic energy monitoring system
The vehicles dynamic details such as load, acceleration, accelerator pedal position and acceleration, brake pedal position and acceleration, and lead to
It crosses change control variable and PID is adjusted, realize the accurate control of vehicle, improve the automatically controlled level of vehicle, change cars on hand
, the especially low-level fuzzy control present situation of hybrid power and electronic buffet coach and truck.It is energy saving so as to reach,
Low consumed purpose drops.
In a kind of optional embodiment of the present embodiment, monitoring modular 1 includes at least：Wheel speed sensors, gasbag pressure pass
Sensor, position of centre of gravity sensor, vehicle attitude sensor, tyre pressure sensor, wind speed wind direction sensor, vehicle speed sensor, braking
Pedal position sensor and E-Gas position sensor.Pass through the multiple sensors being installed on vehicle, kinetic energy monitoring as a result,
System can obtain accurate travel condition of vehicle.
Optionally, wheel speed sensors, on the wheel of vehicle, for calculating the rotating speed of wheel.Wherein, wheel speed senses
Device includes the tooth form turntable and inductive probe that are mounted on wheel, and wheel speed sensors can be by calculating in the standard time as a result,
How many tooth of tooth form turntable passes through, and realizes the calculating of vehicle wheel rotational speed.
Optionally, gasbag pressure sensor, in the pneumatic circuit of the air bag of vehicle, for keeping vehicle unified
Load and the thrust load of vehicle are calculated in the case of height.That is, the vehicle of gasbag pressure sensor, vehicle are installed
Chassis needs to hang using air bag, thus, it is possible to calculate load and the thrust load of vehicle by measuring gasbag pressure.
Optionally, position of centre of gravity sensor, mounted in the first pre-determined distance of Vehicular air bag, for calculating vehicle
The changing value of height, wherein, which is also known as chassis-height sensor.Mounted on apart from Vehicular air bag
The first pre-determined distance in refer to, mounted on the periphery any position of Vehicular air bag, the position of centre of gravity sensor can lead to as a result,
It crosses and is installed on the slide rheostat on air bag periphery to calculate the variation of height of car.
Optionally, vehicle attitude sensor, in the mass centre of vehicle, for calculating the angle of inclination of vehicle.
Wherein, vehicle attitude sensor is the angle of inclination that vehicle is calculated by the angle of inclination of gyro.
Optionally, tyre pressure sensor, on the wheel hub inside vehicle tyre, for measuring the tire pressure of tire.
Optionally, wind speed wind direction sensor, mounted on the outside of vehicle roof and apart from the of front windshield glass of car
In two pre-determined distances, for measuring the wind speed and direction outside vehicle.Wherein, the second pre-determined distance is the one of vehicle roof length
Half, i.e., wind speed wind direction sensor is arranged close at windshield glass.
Optionally, vehicle speed sensor, mounted on the bottom of vehicle, for measuring the absolute velocity of vehicle.
Optionally, brake pedal position sensor, under the brake pedal of vehicle, for calculating the position of brake pedal
Put the acceleration changed with brake pedal position.
Optionally, E-Gas position sensor, under the gas pedal of vehicle, for the position of calculation of throttle pedal
Put the acceleration changed with accelerator pedal position.
The sensor included by monitoring modular 1, kinetic energy management system can at least collect vehicle wheel rotational speed, bear
Load, thrust load, height of car variation, angle of inclination, tire pressure, the outer wind speed and direction of vehicle, vehicle absolute velocity, brake pedal position
Put the position of the acceleration changed with brake pedal position and gas pedal and the acceleration of accelerator pedal position variation.By
This, kinetic energy monitoring system according to above-mentioned data, can accurately analyze the real time kinematics state of vehicle, to realize the essence of vehicle
Really control provides basis.
In a kind of optional embodiment of the present embodiment, kinetic energy monitoring system further includes：The CAN bus being arranged on vehicle
5, data acquisition memory module 2 is connect by CAN bus 5 with monitoring modular 1, data feedback processing module 3 by CAN bus and
Control module 4 connects.As shown in Fig. 2, data acquisition memory module is connected to CAN bus 5, carrying out data by CAN bus adopts
Collection and signal acquisition.Data feedback processing system is also connected to CAN bus 5, and feedback signal is transmitted by CAN bus 5.Monitor mould
Block 1 and control module 4 are also connected to (not shown) in CAN bus 5.As an alternative embodiment, kinetic energy monitors
System by international standard protocol gathered data and sends out feedback signal using CAN bus 5, optionally, the international standard
Communication protocol is ISO11898CAN.Each module in kinetic energy monitoring system can transmit data by CAN bus 5 as a result, real
The acquisition of existing data and feedback.
In a kind of optional embodiment of the present embodiment, as shown in figure 3, monitoring modular 1 further includes：Miscellaneous function senses
Device, for monitoring miscellaneous function sensor parameters, wherein, miscellaneous function sensor includes：Electric energy management unit is used and is started
It authorizes, interior outer temperature sensor, multi-functional steering wheel, night vision device, car monitoring system, lamp light management system, GPS navigation
After instrument, combination instrument, intelligent air-conditioning system, left front spacing sensor, left back spacing sensor, right front truck are away from sensor and the right side
Spacing sensor.
In a kind of optional embodiment of the present embodiment, as shown in figure 3, monitoring modular 1 further includes：Switching variable acquisition dress
It puts, for monitoring switch variable, wherein, switching variable harvester includes：Vehicle door status sensor and ignition ring position sensing
Device.
In a kind of optional embodiment of the present embodiment, as shown in figure 3, monitoring modular 1 further includes：Power system parameter is adopted
Acquisition means, for monitoring the engine parameter of vehicle, gearbox and main reducing gear parameter, ABS parameters and differential mechanism parameter.
In a kind of optional embodiment of the present embodiment, as shown in figure 3, monitoring modular 1 further includes：Valve open position passes
Sensor, for measuring valve opening amount.
As a result, by above-mentioned optional embodiment, kinetic energy monitoring system can get auxiliary work(by monitoring modular 1
The relevant parameter of energy sensor parameters and power system parameter etc. vehicles operation, so as to be made more accurately to travel condition of vehicle
Judge.
For example, for conventional diesel electric-controlled vehicle, kinetic energy data in monitoring system acquisition storage mould provided in this embodiment
Block 2 can accurately acquire dynamic operation data, and the kinetic energy monitoring system system can obtain vehicle load as a result, and throttle is stepped on
The travel condition of vehicle information in detail such as Board position, brake pedal position, car speed, acceleration, wheel speed, inclination of vehicle angle,
So as to which data feedback processing module 3 can effectively calculate the information got using preset algorithm, for example, in vehicle
During acceleration, which can determine the required torque of engine in advance, and passes through feedback signal and control engine generated torque.
The energy consumption being not necessarily to can be reduced in this way.For another example, in vehicle braking, which can judge in advance required for vehicle braking
Energy, in advance by feedback signal control engine drop turn round and automatic gear-box downshift come realize slow down, finally by friction
It brakes to brake.The loss of motor vehicle braking system is reduced in this way, is improved ride comfort type and safety, is also reduced simultaneously
The oil consumption of engine.
For another example for novel new-energy automobile, the especially automobile containing battery energy storage, using the present embodiment provides
Kinetic energy monitoring system other than it can have the advantage in above-mentioned example, energy regenerating can also be made to have the raising of bigger.Specifically
For, which can acquire memory module 2 by data and acquire detailed vehicle operating information, so as to handle data feedback
Module 3 can brake vehicle be judged in advance, the time of calculating energy storage in advance and the energy that can generate of braking.Thus solve
It has determined energy regenerating in the vehicle for have battery energy storage cannot be complete the problem of.
In a kind of optional embodiment of the present embodiment, static data includes at least：Vehicle dimensional parameters and the first data
Library.Wherein, as shown in figure 3, vehicle dimensional parameters include at least：Tire specification, axis weight parameter, barycentric coodinates and positive windward side
Product.Wherein, tire specification is used to record tyre model and size.First database includes at least：Ground surface resistance coefficient number
According to library, coefficient of air resistance database, coefficient of tractor database and coefficient of road adhesion database.Kinetic energy monitoring system as a result,
System can accurately be sentenced by transferring above-mentioned static data, and bound fraction or whole static datas and dynamic operation data
Break and the travel condition of vehicle of different vehicle.
In a kind of optional embodiment of the present embodiment, data feedback processing module 3, for according to default operation strategy pair
First data and the second data carry out operation, including：Data feedback processing module 3, for the dynamic operation data that will be got
Normal data is converted into, and operation is carried out to standard strategy and the second data according to default operation strategy.Wherein, operation plan is preset
Slightly PID control strategies or Variable Control strategy.Data feedback processing module 3 can be to the dynamic operation number that gets as a result,
Effective operation is carried out according to static data, so as to judge the real-time operating status of vehicle, and according to the operating status of vehicle
Vehicle is accurately controlled.
In addition, kinetic energy monitoring system can also utilize the switching variable state on vehicle, this system is automatically turned on or closed.
Specifically, data acquisition memory module 2 can acquire switching variable, and will from door sensor and ignition ring position sensor
Switching variable is sent to data feedback processing module 3, by data feedback processing module 3 it is determined whether to enable or close kinetic energy monitoring
System.
Using kinetic energy monitoring system provided in this embodiment, can each sensor on vehicle be monitored by monitoring modular 1
Dynamic operation data, acquire memory module 2 by data and acquire dynamic operation data, and store static data, then data
Feedback processing modules 3 determine vehicle dynamic details by the dynamic operation data and static data that get, and pass through and change
Become control variable and PID is adjusted, the accurate control of vehicle is realized using control module 4, improves the automatically controlled level of vehicle, is changed
The low-level fuzzy control present situation of present vehicle, especially hybrid power and electronic buffet coach and truck.So as to reach
It is energy saving, low consumed purpose drops.
Embodiment 2
Fig. 4 be a kind of flow chart of the method accurately controlled using kinetic energy monitoring system provided in this embodiment, Fig. 5
For a kind of schematic diagram of the method accurately controlled using kinetic energy monitoring system provided in this embodiment.In conjunction with Fig. 4 and figure
5, method provided in this embodiment is described in detail.A kind of application kinetic energy monitoring system provided in this embodiment carries out essence
The method really controlled, wherein, which may be used the kinetic energy monitoring system provided in embodiment 1, kinetic energy prison
Control system includes monitoring modular, data acquisition memory module, data feedback processing module and control module, as shown in Figure 1, should
Method includes step step S21-S24：
Step S21, the dynamic operation data of monitoring module monitors vehicle；
Step S22, data acquire memory module and acquire dynamic operation data from monitoring modular, and store the static number of vehicle
According to；
Step S23, data feedback processing module obtain the first data and the second data, and press from data acquisition memory module
Operation is carried out to the first data and the second data according to default operation strategy, feedback signal is generated according to operation result, by feedback letter
Number control module is sent to, wherein, the first data include part or all of dynamic operation data, and the second data include part or complete
Portion's static data；
Step S24, control module accurately control vehicle according to feedback signal.
Using method provided in this embodiment, vehicle can be passed through by monitoring the state of each sensor on vehicle
Multiple sensors technology, chassis and auto body technique obtain accurate vehicle state, then by transmission sensor data, and transfer
Database parameter, load, acceleration, accelerator pedal position and the acceleration of accurate survey calculation vehicle, brake pedal position and
The vehicles dynamic details such as acceleration, and pass through change control variable and PID adjustings, it realizes the accurate control of vehicle, improves
The automatically controlled level of vehicle changes the low-level of present vehicle, especially hybrid power and electronic buffet coach and truck
Fuzzy control present situation.It is energy saving so as to reach, low consumed purpose drops.
Step S21, the dynamic operation data of monitoring module monitors vehicle.
In a kind of optional embodiment of the present embodiment, dynamic operation parameter includes at least：Pass through wheel speed sensors, air bag
Pressure sensor, position of centre of gravity sensor, vehicle attitude sensor, tyre pressure sensor, wind speed wind direction sensor, speed sensing
The dynamic operation data for the vehicle that device, brake pedal position sensor and E-Gas position sensor monitor.Lead to as a result,
The multiple sensors being installed on vehicle are crossed, accurate travel condition of vehicle can be obtained.
Optionally, above-mentioned dynamic operation parameter is specially：Pass through the vehicle wheel rotational speed for the vehicle that wheel speed sensors are calculated；
Pass through load of the vehicle that gasbag pressure sensor is calculated in the case where keeping vehicle uniform height and thrust load；Pass through
The changing value for the height of car that position of centre of gravity sensor is calculated；The vehicle being calculated by vehicle attitude sensor inclines
Rake angle；Pass through the tire pressure for the vehicle that tyre pressure sensor measurement obtains；Outside the vehicle obtained by wind speed wind direction sensor measurement
Wind speed and direction；Pass through the absolute velocity for the vehicle that vehicle speed sensor measurement obtains；Pass through brake pedal position sensor meter
The position of obtained brake pedal and the acceleration of brake pedal position variation；It is calculated by E-Gas position sensor
The position of the gas pedal arrived and the acceleration of accelerator pedal position variation.It as a result, can be accurate by above-mentioned dynamic motion data
The real time kinematics state of vehicle really is analyzed, the accurate control to realize vehicle provides basis.
In a kind of optional embodiment of the present embodiment, dynamic operation data can also include：It is sensed by miscellaneous function
The miscellaneous function sensor parameters that device monitors, wherein, miscellaneous function sensor includes：Electric energy management unit is used and is opened
Dynamic mandate, interior outer temperature sensor, multi-functional steering wheel, night vision device, interior monitoring system, lamp light management system, GPS navigation
After instrument, combination instrument, intelligent air-conditioning system, left front spacing sensor, left back spacing sensor, right front truck are away from sensor and the right side
Spacing sensor.
In a kind of optional embodiment of the present embodiment, dynamic operation data can also include：It is acquired by switching variable
The switching variable that device monitoring obtains, wherein, switching variable harvester includes：Vehicle door status sensor and ignition ring position pass
Sensor.
In a kind of optional embodiment of the present embodiment, dynamic operation data can also include：Pass through power system parameter
Engine parameter, gearbox and the main reducing gear parameter of the vehicle that harvester monitors, ABS parameters and differential mechanism parameter.
In a kind of optional embodiment of the present embodiment, dynamic operation data can also include：Pass through valve open position
The valve opening amount that sensor measurement obtains.
By above-mentioned optional embodiment, run using vehicles such as miscellaneous function sensor parameters and power system parameters
Relevant parameter, travel condition of vehicle can be made and more accurately judge.
Step S22, data acquire memory module and acquire dynamic operation data from monitoring modular, and store the static number of vehicle
According to.
In a kind of optional embodiment of the present embodiment, static data includes at least：Vehicle dimensional parameters and the first data
Library.Wherein, vehicle dimensional parameters include at least one below：Tire specification, axis weight parameter, barycentric coodinates and positive windward side
Product.First database includes at least one below：Ground surface resistance coefficient database, coefficient of air resistance database, traction
Force coefficient database and coefficient of road adhesion database.Thus, it is possible to by transferring above-mentioned static data, and bound fraction or complete
Portion's static data and dynamic operation data accurately judge the travel condition of vehicle of different vehicle.
Step S23, data feedback processing module obtain the first data and the second data, and press from data acquisition memory module
Operation is carried out to the first data and the second data according to default operation strategy, feedback signal is generated according to operation result, by feedback letter
Number control module is sent to, wherein, the first data include part or all of dynamic operation data, and the second data include part or complete
Portion's static data.
In a kind of optional embodiment of the present embodiment, in step S23 according to default operation strategy to the first data and
Second data carry out operation, specifically include：First data are converted into normal data by data feedback processing module, and according to default
Operation strategy carries out operation to standard strategy and the second data.Wherein, PID control strategy or change can be included by presetting operation strategy
Measure control strategy.Thus, it is possible to effective operation is carried out to the dynamic operation data and static data that get, so as to judge
The real-time operating status of vehicle, and vehicle is accurately controlled according to the operating status of vehicle.
For example, as shown in figure 5, can be moved to collected first data and the second data transferred to vehicle
The relevant parameter of the related systems such as Force system or switching variable carries out PID adjustings, so as to fulfill the accurate control of vehicle.Fig. 5 institutes
Following important parameter involved in the PID adjusting methods of offer：
Acceleration：A formula (1)
Gross tractive effort：ΣFt=T*nz/rdFormula (2)
Drag overall：ΣFz=Fr+Fw+FgFormula (3)
Rolling resistance：Fr=P*fr* cos α formula (4)
Air drag：Fw=ρ * Af*CD*(V-Vw)2/ 2 formula (5)
Grade resistance：Fg=M*g*sin α formula (6)
Wherein：V is car speed；M is the gross mass of vehicle, is calculated by tyre pressure sensor and gasbag pressure sensor
Go out；δ is rotational inertia coefficient, is the coefficient that the rotary inertia equivalence of rotary components is converted to translatory mass；nzTo be always driven
Than transferring gearratio, and transfer main reducing gear reduction ratio simultaneously after feeding back ECU by transmission gear signal；Rd is effective for tire
Radius has tire pressure and tyre model to be calculated；P is drive shaft weight, by tyre pressure sensor, gasbag pressure sensor and initial
Axis reassigns ratio and is calculated；frFor the coefficient of rolling resistance on ground, according to initial parameter called data library corresponding data.
It, can be according to different vehicle state, to related systems such as dynamical systems in order to carry out more precise control to vehicle
It is optimized.In a kind of optional embodiment of the present embodiment, in step S23, in data feedback processing module from data
It acquires after memory module obtains the first data and the second data, in data feedback processing module according to default operation strategy to the
Before one data and the second data carry out operation, this method is further comprising the steps of：Data feedback processing module is according to the first number
Judge travel condition of vehicle, and default operation strategy is determined according to travel condition of vehicle according to the second data, wherein, vehicle operation
State includes vehicle launch, vehicle traveling, vehicle braking and vehicle parking.
As an alternative embodiment, judge vehicle according to the first data and the second data in data feedback processing module
Operating status is in the case of vehicle launch, this method is further comprising the steps of：Data feedback processing module according to pass through system
The dynamic operation data and gearbox-gear signal that dynamic pedal position sensor and E-Gas position sensor measurement obtain
Judge vehicle launch for normal startup or emergency start；
Data feedback processing module judges vehicle according to the dynamic operation data obtained by engine temperature sensing unit measurement
Start as cold start-up or thermal starting；
Data feedback processing module judges vehicle according to the dynamic operation data being calculated by vehicle attitude sensor
Start the recoverable energy for calculating vehicle according to the first data and the second data for upward slope log-on data feedback processing modules., under
Hill-start or level land start.
Optionally, in the case where travel condition of vehicle is emergency start, this method further includes：Data feedback processing module
Default operation strategy is determined according to most fast speeding scheme.As a result, in the case of vehicle emergency start, it may be used best default
Scheme, so as to save energy consumption to the full extent, reduce vehicle abrasion.
Optionally, in the case where travel condition of vehicle is cold start-up, this method further includes：Data feedback processing module root
Default operation strategy is determined according to best warming-up scheme, wherein, best warming-up scheme includes neutral gear warm season scheme and traveling warming-up side
Case.As a result, in the case of vehicle cold-start, break-in can be optimized using best warming-up scheme, utmostly reduce vehicle
Abrasion, so as to increase vehicle ages, moreover it is possible to reduce oil consumption and reduce driving efficiency requirement.In addition, if vehicle is returned with energy
Receipts system, in the case where travel condition of vehicle is cold start-up, data feedback processing module
Optionally, in the case where travel condition of vehicle is thermal starting, data feedback processing module runs shape according to vehicle
State determines default operation strategy, specifically includes：Data feedback processing module is determined according to default operation strategy through air bag pressure
The dynamic operation data that force snesor, vehicle attitude sensor and E-Gas position sensor are calculated calculate engine
Torque.In use, the feedback signal for carrying the engine torque calculated can be sent to the dynamic of vehicle by bus
Force system, to change automotive power, transmission system etc..
Optionally, in the case where travel condition of vehicle is upper hill-start, data feedback processing module is run according to vehicle
State determines default operation strategy, specifically includes：Data feedback processing module determines that default operation strategy is according at least to passing through
Dynamic operation data, coefficient of road adhesion and the first startup that the gentle bag pressure force snesor of vehicle attitude sensor is calculated
State calculates engine torque and gearbox-gear, wherein, the first starting state includes emergency start, cold start-up or thermal starting.
In use, the feedback signal for carrying the engine torque calculated and gearbox-gear can be sent to vehicle by bus
Dynamical system, it is possible thereby to avoid unnecessary loss, reduce the time required to vehicle accelerates.
Optionally, in the case where travel condition of vehicle is lower hill-start, data feedback processing module is run according to vehicle
State determines default operation strategy, specifically includes：Data feedback processing module determines that default operation strategy is according at least to passing through
Dynamic operation data, coefficient of road adhesion and the first startup that the gentle bag pressure force snesor of vehicle attitude sensor is calculated
State calculates engine torque, wherein, the first starting state includes emergency start, cold start-up or thermal starting.It in use, can
With the dynamical system that will carry the feedback signal of the engine torque calculated by bus and be sent to vehicle, engine is reduced
Drag the time.In addition, if vehicle has energy-recuperation system, and in the case where travel condition of vehicle is lower hill-start, the party
Method can also include：Data processing feedback module opens dragging energy-recuperation system by control module.It is dragged it is possible thereby to open
Energy recycles, and big degree recovers energy.
Optionally, in the case where travel condition of vehicle starts for level land, data feedback processing module is run according to vehicle
State determines default operation strategy, specifically includes：Data feedback processing module calculates engine torque according to the first starting state
And gearbox-gear, wherein, the first starting state includes emergency start, cold start-up or thermal starting.In use, it can will carry
There is the dynamical system that the feedback signal of the engine torque calculated and gearbox-gear is sent to vehicle by bus, so as to have
Effect reduces driving efficiency requirement.In addition, under the vehicle-state, the component of vehicular gross combined weight can not be considered to vehicle traction
Influence.
It, can be after the particular state of vehicle launch be judged, by being run to vehicle by above-mentioned optional embodiment
The operation of relevant parameter reach control of the optimization to vehicle, reach and reduce energy consumption, reduce the effect of optimization such as abrasion.
As an alternative embodiment, judge vehicle according to the first data and the second data in data feedback processing module
In the case that operating status is vehicle traveling, method further includes：Data feedback processing module is sentenced according to the travel direction of vehicle
Disconnected vehicle traveling is straight trip or turns, and data feedback processing module judges vehicle traveling to accelerate according to the travel speed of vehicle
Traveling, at the uniform velocity traveling or Reduced Speed Now.
Optionally, in the case where travel condition of vehicle is accelerates straight trip, data feedback processing module is run according to vehicle
State determines default operation strategy, specifically includes：Data feedback processing module determines that default operation strategy is adding according to vehicle
The acceleration straight trip of velocity estimated vehicle is variable accelerated motion or uniformly accelerated motion, obtains the first judging result, sentences according to first
Disconnected result calculates power system parameter.In use, the feedback signal for carrying the power system parameter calculated can be led to
Cross the dynamical system that bus is sent to vehicle, vehicle power made preferably to be promoted, for example, overtake other vehicles, road conditions it is good accelerate it is straight
Capable star is mad to be washed, and can at the uniform velocity promote power.
Optionally, in the case where travel condition of vehicle is at the uniform velocity keeps straight on, data feedback processing module is run according to vehicle
State determines default operation strategy, specifically includes：Data feedback processing module determines that default operation strategy is according at least to passing through
The dynamic operation data and road surface that vehicle attitude sensor, position of centre of gravity sensor and wind speed wind direction sensor are calculated are attached
Coefficient, judges whether vehicle is safety traffic, obtains the second judging result, dynamical system ginseng is calculated according to the second judging result
Number.In use, the feedback signal for carrying the power system parameter calculated can be sent to the dynamic of vehicle by bus
Force system improves stability, the safety of vehicle operation, especially for the vehicle run in high speed, such as：Chassis is higher
SUV, the higher tourist bus of vehicle body and coach etc..
Optionally, in the case where travel condition of vehicle is straight trip of slowing down, data feedback processing module is run according to vehicle
State determines default operation strategy, specifically includes：Data feedback processing module determines that default operation strategy is according at least to passing through
The dynamic operation data that one of valve open position sensor, accelerator pedal sensor and wheel speed sensors are calculated judge
Vehicle is slided for neutral gear or is slided with shelves, obtains third judging result, and power system parameter is calculated according to third judging result.
In use, the feedback signal for carrying the power system parameter calculated can be sent to the dynamical system of vehicle by bus
System, it is automatic to realize acceleration and deceleration or even deceleration, and in due course between stop oil spout, utmostly save oil consumption.In addition, if vehicle
Energy-recuperation system is configured with, in the case where travel condition of vehicle is straight trip of slowing down, this method further includes：Data feedback processing
Module opens energy-recuperation system by control module.Thus, it is possible to by the way that corresponding energy recovery scheme is configured, utmostly
It recovers energy.It starts building condition for example, being slided with shelves and belonging to support, gas pedal is totally released under the operating mode, and energy management system can be with
Judge that vehicle is transferred to idling mode, and judge that vehicle is in support and starts building according to high speed of crankshaft according to the relevant parameter of IS Idle Switch
Condition so as to which kinetic energy monitoring system can reduce engine power consumption by first postponing the duration of ignition, stops oil spout further according to rotating speed
Mode improves automotive power performance.In addition, whether kinetic energy monitoring system can also judge vehicle under above-mentioned vehicle-state
In functional deceleration, that is to say, that encounter front have barrier (vehicle, traffic lights etc.) or turning, and have it is relatively long away from
From, in this case, it can also take and change power system parameter in advance, it is automatic to realize acceleration and deceleration or even deceleration, and suitable
Stop oil spout when the time.
Optionally, in the case where travel condition of vehicle is accelerates turning, data feedback processing module is run according to vehicle
State determines default operation strategy, specifically includes：Data feedback processing module determines that default operation strategy is to turn according to vehicle
Bending angle variation, steering wheel rotational angle, rear blinker switching value, surface conditions parameter and pass through vehicle attitude sensor
The dynamic operation data being calculated calculate power system parameter.In use, it can will carry the dynamical system calculated
The feedback signal of parameter is sent to the dynamical system (such as ABS system) of vehicle by bus, thus, it is possible to such as overtaking other vehicles
In the case of the acceleration turnings such as journey, crossroad turning, ensure turn inside diameter stability and safety, safety can be effectively improved
Coefficient.
Optionally, in the case where travel condition of vehicle is decelerating turn, data feedback processing module is run according to vehicle
State determines default operation strategy, specifically includes：Data feedback processing module determines to pass through vehicle according to default operation strategy
The dynamic operation data that attitude transducer is calculated calculate power system parameter.It is calculated in use, can will carry
The feedback signal of power system parameter the dynamical system of vehicle is sent to by bus, driving to slope in such as vehicle as a result,
In the case of spending the decelerating turns such as detour larger or that bending is larger, it is ensured that vehicle keeps stablizing the posture of safety, improves peace
Full property and reliability, especially to new hand or driver's fatigue when, vehicle safety coefficient can be greatly promoted.In addition, in the vehicle
Under state, if vehicle is equipped with energy-recuperation system, energy-recuperation system can also be started and carry out energy regenerating.
It, can be after the particular state for judging vehicle traveling, by being run to vehicle by above-mentioned optional embodiment
The operation of relevant parameter reach control of the optimization to vehicle, reach optimization engine performance, improve safety coefficient effect of optimization.
As an alternative embodiment, judge vehicle according to the first data and the second data in data feedback processing module
In the case that operating status is vehicle braking, data feedback processing module determines default operation plan according to travel condition of vehicle
Slightly, it specifically includes：Data feedback processing module is determined according to default operation strategy through vehicle attitude sensor, gasbag pressure
The dynamic operation data that sensor, wheel speed sensors, brake pedal position sensor, E-Gas position sensor are calculated
And car speed and gearbox-gear, the energy that vehicle generates in braking and the braking energy that vehicle needs are calculated, as a result,
Vehicle can be braked and be prejudged and anticipation is shifted to an earlier date into 0.1-0.5s.Further, it is also possible to by judging vehicle climb and fall state,
Brake pedal status (whether trample brake pedal and step on the acceleration of brake pedal) and thrust load adjust vehicle institute
The braking energy and recyclable braking energy needed, so as to fulfill accurate braking.
As an alternative embodiment, judge vehicle according to the first data and the second data in data feedback processing module
Operating status is in the case of vehicle parking, this method further includes：Data feedback processing module detects vehicle by monitoring modular
Whether stop working, if vehicle does not stop working, judge that travel condition of vehicle is waited for for parking, if vehicle has stopped working, judge
Travel condition of vehicle stops working for parking.
Optionally, in the case where travel condition of vehicle stops working for parking, data feedback processing module is run according to vehicle
State determines default operation strategy, specifically includes：Data feedback processing module determine default operation strategy be according to the first data,
Calculate power system parameter.In addition, this method can also include：In the case where travel condition of vehicle is waited for for parking, data
Dynamic operation data before vehicle stall are stored in first database by acquisition memory module.As a result, vehicle is again introduced into vehicle
During starting state, the operating status of vehicle can be calculated.
Optionally, in the case where travel condition of vehicle is waited for for parking, this method further includes：Judge that vehicle is stayed for neutral gear
Vehicle then switches to idling mode.Wherein, the state that vehicle parking waits for includes neutral gear parking and (is suitable for traffic congestion and waits for red green
During lamp) and with shelves parking two states.In addition, method can also include：In the case where travel condition of vehicle is waited for for parking,
Data feedback processing module opens energy-recuperation system by control module.As a result, by opening energy-recuperation system or switching
To idling mode, the energy of redundancy loss can be recycled or save energy, and it is possible to when being switched to vehicle running state,
Normally travel state is restored to, so as to effectively reduce oil consumption.This method is big on urban congestion road particularly suitable for operating in
Power vehicle, such as：City bus etc..In band shelves parking, output power can be made slightly larger than reverse drag power, so as to effectively
It reduces the loss of braking system and reduces oil consumption.
Using method provided in this embodiment, vehicle can be passed through by monitoring the state of each sensor on vehicle
Multiple sensors technology, chassis and auto body technique obtain accurate vehicle state, then by transmission sensor data, and transfer
Database parameter, load, acceleration, accelerator pedal position and the acceleration of accurate survey calculation vehicle, brake pedal position and
The vehicles dynamic details such as acceleration, and pass through change control variable and PID adjustings, it realizes the accurate control of vehicle, improves
The automatically controlled level of vehicle changes the low-level of present vehicle, especially hybrid power and electronic buffet coach and truck
Fuzzy control present situation.In addition, energy regenerating ratio can also be improved using this method, energy recovery rate is made to reach more than 20%.
It is understood that the above description of the embodiments is intended to facilitate those skilled in the art and using this reality
With novel.Person skilled in the art obviously can easily make above-described embodiment various modifications, and saying herein
Bright General Principle is applied in other embodiment without having to go through creative labor.Therefore, the utility model is not limited to
Embodiment is stated, those skilled in the art's announcement according to the present utility model, the improvement made for the utility model and modification are all
It should be within the protection scope of the utility model.
Claims (7)
1. a kind of kinetic energy monitoring system, including：CAN bus, monitoring modular, the data being arranged on the vehicle acquire storage mould
Block, data feedback processing module and control module, which is characterized in that
The data acquisition memory module is connect by the CAN bus with the monitoring modular, and the data feedback handles mould
Block is connect by the CAN bus with the control module, the data feedback processing module and data acquisition storage mould
Block connects, wherein,
The monitoring modular, for monitoring the dynamic operation data of the vehicle；
The data acquire memory module, for acquiring the dynamic operation data and the storage vehicle from the monitoring modular
Static data；
The data feedback processing module, for obtaining operation data from data acquisition memory module, to the operation number
According to operation is carried out, operation result is fed back into the control module；
The control module, for accurately being controlled the vehicle according to the feedback signal.
2. system according to claim 1, which is characterized in that the monitoring modular includes at least：
Wheel speed sensors, on the wheel of the vehicle, for calculating the rotating speed of the wheel；
Gasbag pressure sensor, in the pneumatic circuit of the air bag of the vehicle, for keeping the vehicle unified high
Load and the thrust load of the vehicle are calculated in the case of degree；
Position of centre of gravity sensor is high for calculating the vehicle mounted in the first pre-determined distance of the Vehicular air bag
The changing value of degree；
Vehicle attitude sensor, in the mass centre of the vehicle, for calculating the angle of inclination of the vehicle；
Tyre pressure sensor, on the wheel hub inside the vehicle tyre, for measuring the tire pressure of the tire；
Wind speed wind direction sensor, mounted on the outside of the vehicle roof and apart from the second pre- of the front windshield glass of car
If apart from interior, for measuring the wind speed and direction outside the vehicle；
Vehicle speed sensor, mounted on the bottom of the vehicle, for measuring the absolute velocity of the vehicle；
Brake pedal position sensor, under the brake pedal of the vehicle, for calculating the position of the brake pedal
With the acceleration of brake pedal position variation；
E-Gas position sensor, under the gas pedal of the vehicle, for calculating the position of the gas pedal
With the acceleration of accelerator pedal position variation.
3. system according to claim 2, which is characterized in that the monitoring modular further includes：
Miscellaneous function sensor, for monitoring miscellaneous function sensor parameters；
The miscellaneous function sensor includes：Electric energy management unit uses and starts mandate, interior outer temperature sensor, more work(
It can steering wheel, night vision device, interior monitoring system, lamp light management system, GPS navigator, combination instrument, intelligent air-conditioning system, a left side
Front truck is away from sensor, left back spacing sensor, right front truck away from sensor and right rear car away from sensor.
4. the system according to Claims 2 or 3, which is characterized in that the monitoring modular further includes：
Switching variable harvester, for monitoring switch variable；
The switching variable harvester includes：Vehicle door status sensor and ignition ring position sensor.
5. the system according to Claims 2 or 3, which is characterized in that the monitoring modular further includes：
Power system parameter harvester, for monitor the engine parameter of the vehicle, gearbox and main reducing gear parameter,
ABS parameters and differential mechanism parameter.
6. the system according to Claims 2 or 3, which is characterized in that the monitoring modular further includes：
Valve open position sensor, for measuring valve opening amount.
7. system according to claim 1, which is characterized in that
The static data includes at least：Vehicle dimensional parameters and first database；
The vehicle dimensional parameters include at least：Tire specification, axis weight parameter, barycentric coodinates and positive front face area；
The first database includes at least：Ground surface resistance coefficient database, coefficient of air resistance database, tractive force system
Number database and coefficient of road adhesion database.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720916915.6U CN207535845U (en) | 2017-07-26 | 2017-07-26 | kinetic energy monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720916915.6U CN207535845U (en) | 2017-07-26 | 2017-07-26 | kinetic energy monitoring system |
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| Publication Number | Publication Date |
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| CN207535845U true CN207535845U (en) | 2018-06-26 |
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ID=62607433
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|---|---|---|---|
| CN201720916915.6U Expired - Fee Related CN207535845U (en) | 2017-07-26 | 2017-07-26 | kinetic energy monitoring system |
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| Country | Link |
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| CN (1) | CN207535845U (en) |
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2017
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