CN106289814A - FSAE racing car suspension data collecting system - Google Patents
FSAE racing car suspension data collecting system Download PDFInfo
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- CN106289814A CN106289814A CN201510298610.9A CN201510298610A CN106289814A CN 106289814 A CN106289814 A CN 106289814A CN 201510298610 A CN201510298610 A CN 201510298610A CN 106289814 A CN106289814 A CN 106289814A
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Abstract
The present invention proposes FSAE racing car suspension data collecting system, including displacement transducer, single-chip microcomputer, wireless transmitter module, wireless receiving module, USB data line, computer, displacement transducer is arranged on FSAE racing car amortisseur position, to detect the decrement of FSAE racing car amortisseur；Single-chip microcomputer, wireless transmitter module are arranged in FSAE racing car；Displacement transducer is connected with single-chip microcomputer by analog/digital conversion module, utilizes single-chip microcomputer to carry out the data acquisition of displacement transducer；Wireless transmitter module is connected with single-chip microcomputer, it is achieved wireless transmit；Wireless receiving module accesses computer by USB data line；The wireless transport module consisted of with wireless receiving module wireless transmitter module realizes FSAE racing car and is connected with the wireless telecommunications of computer；Computer passes through virtual instrument, obtains the signal of displacement transducer, is acquired and analyzes and processes.Present invention achieves the dynamic monitoring of FSAE racing car, data are accurate；Gather and analyzing and processing function is realized by virtual instrument, it is simple to safeguard.
Description
Technical field
The present invention relates to FSAE racing car suspension data collecting system.
Background technology
At FSAE (Formula SAE, university students's formula car contest) in racing car development process, vehicle suspension system design occupies very important status, and the car load utilizing suspension data collecting system to carry out racing car driving process monitors in real time, designed by test feedback improvements, continue to optimize racecar design parameter, promote racing car performance.Data acquisition be exactly the various parameters of measurand are done suitable conversion by sensor and transmitter after, again through signal condition, sample/keep, quantify, encode, the step such as transmission, finally deliver to processor and carry out data process, storage record and display print procedure.
In order to embody the limiting performance of racing car, FSAE racing car all uses independent suspension, requires higher to its control stability；FSAE race rule requires harshness, the rebound stroke of the effective travel of racing car front and back wheel at least 50.8mm slips a line journey and 25.4mm；When lateral tilt 60 °, racing car is not turned on one's side；Unsteady-stage conditions reduces vehicle body trim；Tire ground connection performance is good, adapts at a high speed, turn too sharply demand.In order to realize the dynamic monitoring of racing car suspension performance, optimizing racing car Curve guide impeller, meet harsh race rule requirement, external suspension data collecting system has been widely deployed in FSAE racing car；And (Chinese) domestic FSAE racing car does not has suspension data collecting system substantially, it is achieved the dynamic monitoring of racing car suspension performance.
Summary of the invention
In order to realize the dynamic real-time monitor of FSAE racing car driving process, the present invention proposes FSAE racing car suspension data collecting system, dynamic FSAE racing car can be carried out the Real-time Collection of amortisseur decrement, record, and calculating in real time processes and obtains wheel core wheel bump travel, wheel weight size and spectrum curve, utilize the dynamic data of Real-time Collection, research racing car in braking, accelerate and axle load transfer case under the limiting condition such as turning, to instruct racing car suspension property adjustment and vehicle performance optimization.
To this end, the technical scheme is that FSAE racing car suspension data collecting system, including displacement transducer, single-chip microcomputer, wireless transmitter module, wireless receiving module, USB data line, computer, it is characterised in that:
Displacement transducer is arranged on FSAE racing car amortisseur position, to detect the decrement of FSAE racing car amortisseur；Single-chip microcomputer, wireless transmitter module are arranged in FSAE racing car；Displacement transducer is connected with single-chip microcomputer by analog/digital conversion module, utilizes single-chip microcomputer to carry out the data acquisition of displacement transducer；Wireless transmitter module is connected with single-chip microcomputer, it is achieved wireless transmit；
Wireless receiving module accesses computer by USB data line；
The wireless transport module consisted of with wireless receiving module wireless transmitter module realizes FSAE racing car and is connected with the wireless telecommunications of computer；
Computer passes through virtual instrument (labview software program), obtains the signal of displacement transducer, is acquired and analyzes and processes.
Beneficial effect: the present invention utilizes displacement transducer, single-chip microcomputer carries out front end data acquisition, pass through wireless transport module, serial communication realizes the data transmission with Labview software program (virtual instrument), dynamic FSAE racing car can be carried out the Real-time Collection of amortisseur decrement, record, and calculating in real time processes and obtains wheel core wheel bump travel, wheel weight size and spectrum curve, utilize the dynamic data of Real-time Collection, research racing car is in braking, axle load transfer case under the limiting conditions such as acceleration and turning, to instruct racing car suspension property adjustment and vehicle performance optimization；Using amortisseur decrement as acquisition target, not only it is convenient for measuring, and wheel weight can be calculated and be beneficial to optimization of suspension parameters；Present configuration is simple, it is achieved that the dynamic monitoring of FSAE racing car, data are accurate；Gather and analyzing and processing function is realized by Labview software program (virtual instrument), it is simple to safeguard.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the design framework figure of Labview software program.
Detailed description of the invention
Shown in Fig. 1, further describe the present invention as follows: FSAE racing car suspension data collecting system, including displacement transducer, single-chip microcomputer, wireless transmitter module, wireless receiving module, USB data line, computer, displacement transducer is arranged on FSAE racing car amortisseur position, to detect the decrement of FSAE racing car amortisseur；Single-chip microcomputer, wireless transmitter module are arranged in FSAE racing car；Displacement transducer is connected with single-chip microcomputer by analog/digital conversion module, utilizes single-chip microcomputer to carry out the data acquisition of displacement transducer；Wireless transmitter module is connected with single-chip microcomputer, it is achieved wireless transmit；Wireless receiving module passes through USB data line, and the RS232 interface on computer accesses computer；The wireless transport module consisted of with wireless receiving module wireless transmitter module realizes FSAE racing car and is connected with the wireless telecommunications of computer；Computer passes through labview software program (virtual instrument), obtains the signal of displacement transducer, is acquired and analyzes and processes.
Owing to FSAE racing car amortisseur decrement belongs to straight-line displacement, and racing car amortisseur stroke is ± 63mm, therefore selects KPM-75mm noncontact miniature radial type linear displacement transducer.
Freescale intelligent vehicle single-chip microcomputer MC9S12XS 128 M AA minimum system plate selected by single-chip microcomputer, and this kind of single-chip microcomputer uses original-pack chip and components and parts, and PCB uses high quality material, and uses reflow soldering process to weld, reliable in quality.
Data acquisition needs to carry out dynamic real-time data acquisition in FSAE racing car driving process, it is therefore necessary to use wireless transport module to make the transmission of data and reception not limited by distance.The running voltage of wireless transport module not can exceed that single-chip microcomputer running voltage (5V), and the frequency of wireless transport module have to be larger than the transmission frequency of single-chip microcomputer, should match with computer simultaneously yet.
The mentality of designing of Labview software program (virtual instrument): using amortisseur decrement as acquisition target, be not only convenient for measuring, and wheel weight can be calculated and be beneficial to optimization of suspension parameters.For ensureing the operational stability of racing car, need with amortisseur decrement as a reference to adjustment amortisseur damps；With core wheel jerk value (wheel travel) for reference to carrying out adjustment vehicle body offset frequency；With wheel weight for reference to calculating moment resulting from sidesway, adjusting racing car steady-state response characteristic；Therefore, the output of acquisition system is defined as core wheel displacement, wheel weight, value, spectrum analysis.
As in figure 2 it is shown, the function that Labview software program (suspension data collecting system) realizes includes: data acquisition, data parsing, data process, signal processing, data record, digital independent, reach following purpose:
(1) carry out FSAE racing car by suspension data collecting system to monitor in real time, both can check whether FSAE racing car meets entry rule requirement, amortisseur can be damped again, the optimization of the relevant parameter such as QS rigidity is tested and feeds back；
(2) by checking, system output numerical value is equal to corresponding sampled value artificial analytical Calculation value result, it was demonstrated that it is correct that data collecting system resolves thinking；And the core wheel of system output beats scope and wheel maximum load all tallies with the actual situation, acquisition system data processing method is correct, and system can apply to FSAE racing car and monitor in real time；
(3) this suspension data collecting system is with FSAE racing car amortisseur decrement as acquisition target, using core wheel jerk value, wheel weight, value, frequency spectrum are as output, stable performance, and data are accurate, function is more comprehensive, has higher cost performance and stronger practicality.
Claims (2)
1.FSAE racing car suspension data collecting system, including displacement transducer, single-chip microcomputer, wireless transmitter module, wireless receiving module, USB data line, computer, it is characterised in that:
Displacement transducer is arranged on FSAE racing car amortisseur position, to detect the decrement of FSAE racing car amortisseur；Single-chip microcomputer, wireless transmitter module are arranged in FSAE racing car；Displacement transducer is connected with single-chip microcomputer by analog/digital conversion module, utilizes single-chip microcomputer to carry out the data acquisition of displacement transducer；Wireless transmitter module is connected with single-chip microcomputer, it is achieved wireless transmit；
Wireless receiving module accesses computer by USB data line；
The wireless transport module consisted of with wireless receiving module wireless transmitter module realizes FSAE racing car and is connected with the wireless telecommunications of computer；
Computer passes through virtual instrument, obtains the signal of displacement transducer, is acquired and analyzes and processes.
FSAE racing car suspension data collecting system the most according to claim 1, it is characterised in that: displacement transducer is KPM-75mm noncontact miniature radial type linear displacement transducer, and single-chip microcomputer is Freescale intelligent vehicle single-chip microcomputer MC9S12XS
128 M AA minimum system plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510298610.9A CN106289814A (en) | 2015-06-04 | 2015-06-04 | FSAE racing car suspension data collecting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510298610.9A CN106289814A (en) | 2015-06-04 | 2015-06-04 | FSAE racing car suspension data collecting system |
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| Publication Number | Publication Date |
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| CN106289814A true CN106289814A (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510298610.9A Pending CN106289814A (en) | 2015-06-04 | 2015-06-04 | FSAE racing car suspension data collecting system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067037A (en) * | 2019-06-10 | 2020-12-11 | 杜云浩 | Formula car data acquisition and information feedback system based on C125 |
| CN117433809A (en) * | 2023-12-19 | 2024-01-23 | 山东鲁岳桥机械股份有限公司 | Suspension detection device |
-
2015
- 2015-06-04 CN CN201510298610.9A patent/CN106289814A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067037A (en) * | 2019-06-10 | 2020-12-11 | 杜云浩 | Formula car data acquisition and information feedback system based on C125 |
| CN117433809A (en) * | 2023-12-19 | 2024-01-23 | 山东鲁岳桥机械股份有限公司 | Suspension detection device |
| CN117433809B (en) * | 2023-12-19 | 2024-03-15 | 山东鲁岳桥机械股份有限公司 | Suspension detection device |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170104 |
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| WD01 | Invention patent application deemed withdrawn after publication |