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Viewing 1 to 30 of 651
2017-05-18
Journal Article
2017-01-9679
Alvaro Baleato Varela, Franz Irlinger
Abstract Lap time simulation has always been a topic of interest in the automotive industry as it summarizes the whole dynamic performance of an automobile in a single value. During the development of road and race cars, to avoid expensive testing and to prove different design solutions, it is useful to simulate the maximum performance of the vehicles. The cars are driven to their limits to exploit their capabilities, where their dynamic behaviour can be highly non-linear. The vehicle models need to replicate these characteristics as precisely as possible. Due to this, the problem of achieving the minimum lap time with a certain car around a race track is a challenging problem to solve. A method to evaluate the minimum lap time is presented, approaching the optimal solution by coupling a driver model, a simulation environment and genetic algorithms to perform the optimization. The algorithm also offers the possibility to add vehicle parameters to be optimized regarding the lap time.
2017-03-28
Technical Paper
2017-01-1260
Gianmarco Galmarini, Stefano Dell'Agostino, Massimiliano Gobbi, Giampiero Mastinu
Abstract Apollo is the name of a solar prototype vehicle of Politecnico di Milano (Technical University of Milan) that has been conceived and employed for the Shell Eco-marathon® Europe competition (SEM). The paper introduces the concept design, the detailed design, the construction, the indoor tests, the successful employment at SEM and the end-of-life of the prototype. Apollo is a three-wheeler with a single driving and steering wheel at the rear. A wing with solar cells provides part of the electric energy required for running. The conceptual design started from the accommodation of the driver inside the vehicle. A number of iterations focusing on CFD (computation fluid dynamics) and wind-tunnel tests allowed to refine the total drag to less than 2N at 35 km/h. The tyre characteristic was measured on a drum. The camber of front wheels was set to 4 deg which provided the least rolling resistance.
2017-03-28
Technical Paper
2017-01-1261
Mark Woodland, Dillon Savage, Patrick Paulus, Aaron Eliason, Cade Smith, Dan Cordon, Steven W. Beyerlein
Abstract The University of Idaho has sponsored entries in the Collegiate Design Series (CDS) Clean Snowmobile Competition since 2001. During this period, a topic of ongoing concern among its student leaders is project and knowledge management. The need for holistic implementation of specific methods/tools is underscored by survey feedback from current CDS teams and University of Idaho alumni, many now employed in the automotive/motorsports industry. This paper details local implementation of nine developmentally appropriate practices for CDS teams composed of students at multiple levels in their academic study (underclassmen, seniors, and graduate students).
2017-03-28
Technical Paper
2017-01-0509
Jyotishman Ghosh, Andrea Tonoli, Nicola Amati
Abstract This paper presents a novel strategy for the control of the motor torques of a rear wheel drive electric vehicle with the objective of improving the lap time of the vehicle around a racetrack. The control strategy is based upon increasing the size of the friction circle by implementing torque vectoring and tire slip control. A two-level nested control strategy is used for the motor torque control. While the outer level is responsible for computing the desired corrective torque vectoring yaw moment, the inner level controls the motor torques to realize the desired corrective torque vectoring yaw moment while simultaneously controlling the wheel longitudinal slip. The performance of the developed controller is analyzed by simulating laps around a racetrack with a non-linear multi-body vehicle model and a professional human racing driver controller setting.
2017-03-28
Technical Paper
2017-01-1592
Jingdong Cai, Saurabh Kapoor, Tushita Sikder, Yuping He
Abstract In this research, active aerodynamic wings are investigated using numerical simulation in order to improve vehicle handling performance under emergency scenarios, such as tight cornering maneuvers at high speeds. Air foils are selected and analyzed to determine the basic geometric features of aerodynamic wings. Built upon the airfoil analysis, the 3-D aerodynamic wing model is developed. Then, the virtual aerodynamic wings are assembled with the 3-D vehicle model. The resulting 3-D geometry model is used for aerodynamic analysis based on numerical simulation using a computational fluid dynamics (CFD) software package. The CFD-based simulation data and the vehicle dynamic model generated are combined to study the effects of active aerodynamic wings on handling performance of high-speed vehicles. The systematic numerical simulation method and achieved results may provide design guidance for the development of active aerodynamic wings for high-speed road vehicles.
2017-03-28
Technical Paper
2017-01-1232
Tsubasa Yamazakii, Hidekazu Uchiyama, Kazuaki Nakazawa, Tsubasa Isomura, Hisashi Ogata
Abstract Solar car races are held worldwide, aiming to promote vehicles that help reduce environmental loads on the roads. In order to gain superiority in solar car racing, it is essential to develop a high efficiency brushless direct drive motor that optimizes the energy use to the fullest and allows high speed driving when needed. To achieve these goals, two development approaches of solar car motors are proposed: the high efficiency motor which improves electrical characteristics and significantly reduces energy loss; and the variable field magnet motor that offers instant speed boost for a temporary period of time for overtaking opponents. We have developed a high efficiency motor through the application of an amorphous core and laminated magnets. Instead of the standard method of the W-EDM (Wire-Electric Discharge Machining) for amorphous cores, we utilized water jet cutting, through which we succeeded in achieving insulation between laminated cores.
2017-03-28
Journal Article
2017-01-1597
Christoforos Chatzikomis, Aldo Sorniotti, Patrick Gruber, Matthew Bastin, Raja Mazuir Shah, Yuri Orlov
Abstract Electric vehicles with multiple motors permit continuous direct yaw moment control, also called torque-vectoring. This allows to significantly enhance the cornering response, e.g., by extending the linear region of the vehicle understeer characteristic, and by increasing the maximum achievable lateral acceleration. These benefits are well documented for human-driven cars, yet limited information is available for autonomous/driverless vehicles. In particular, over the last few years, steering controllers for automated driving at the cornering limit have considerably advanced, but it is unclear how these controllers should be integrated alongside a torque-vectoring system. This contribution discusses the integration of torque-vectoring control and automated driving, including the design and implementation of the torque-vectoring controller of an autonomous electric vehicle for a novel racing competition.
2017-03-28
Technical Paper
2017-01-0423
Lei Yang, Qiang Li, Chuxuan Wang, Yunqing Zhang
Abstract This paper focuses on dynamic analysis and frame optimization of a FSAE racing car frame. Firstly, a Multi-Body Dynamic (MBD) model of the racing car is established using ADAMS/Car. The forces and torques of the mechanical joints between the frame and suspensions are calculated in various extreme working conditions. Secondly, the strength, stiffness and free vibration modes of the frame are analyzed using Finite Element Analysis (FEA). The extracted forces and torques in the first step are used as boundary conditions in FEA. The FEA results suggest that the size of the frame may be not reasonable. Thirdly, the size of the frame is optimized to achieve minimized weight. Meanwhile the strength and stiffness of the frame are constrained. The optimization results reveal that the optimization methodology is powerful in lightweight design of the frame.
2017-03-28
Journal Article
2017-01-1516
Daniel B. Honeycutt, Mesbah Uddin
Abstract Although, the implementation of lift-off prevention devices such as the NASCAR roof flaps have greatly reduced the frequency and severity of race vehicle aerodynamic lift-off incidents, airborne incidents still occur occasionally in motorsports. The effectiveness of existing lift-off prevention measures and future trends in lift-off prevention are addressed in this paper. The results and analysis presented in this paper will be of paramount interest to race vehicle designers and sanctioning bodies because the effects of aerodynamics on vehicle lift-off need to be comprehended, but there exists a scarcity of reliable data in this area.
2017-03-28
Journal Article
2017-01-1547
Chen Fu, Mesbah Uddin, Clay Robinson, Arturo Guzman, David Bailey
Abstract Cost benefit and teraflop restrictions imposed by racing sanctioning bodies make steady-state RANS CFD simulation a widely accepted first approximation tool for aerodynamics evaluations in motorsports, in spite of its limitations. Research involving generic and simplified vehicle bodies has shown that the veracity of aerodynamic CFD predictions strongly depends on the turbulence model being used. Also, the ability of a turbulence model to accurately predict aerodynamic characteristics can be vehicle shape dependent as well. Modifications to the turbulence model coefficients in some of the models have the potential to improve the predictive capability for a particular vehicle shape. This paper presents a systematic study of turbulence modeling effects on the prediction of aerodynamic characteristics of a NASCAR Gen-6 Cup racecar. Steady-state RANS simulations are completed using a commercial CFD package, STAR-CCM+, from CD-Adapco.
2017-03-28
Journal Article
2017-01-1546
Joshua Newbon, David Sims-Williams, Robert Dominy
Abstract The effect of the upstream wake of a Formula 1 car on a following vehicle has been investigated using experimental and computational methods. Multiple vehicle studies in conventional length wind tunnels pose challenges in achieving a realistic vehicle separation and the use of a short axial length wake generator provides an advantage here. Aerodynamic downforce and drag were seen to reduce, with greater force reductions experienced at shorter axial spacings. With lateral offsets, downforce recovers at a greater rate than drag, returning to the level for a vehicle in isolation for offsets greater than half a car width. The effect of the wake was investigated in CFD using multiple vehicle simulations and non-uniform inlet boundary conditions to recreate the wake. Results closely matched those for a full two-vehicle simulation provided the inlet condition included unsteady components of the onset wake.
2017-03-28
Journal Article
2017-01-1432
Tadasuke Katsuhara, Yoshiki Takahira, Shigeki Hayashi, Yuichi Kitagawa, Tsuyoshi Yasuki
Abstract This study used finite element (FE) simulations to analyze the injury mechanisms of driver spine fracture during frontal crashes in the World Endurance Championship (WEC) series and possible countermeasures are suggested to help reduce spine fracture risk. This FE model incorporated the Total Human Model for Safety (THUMS) scaled to a driver, a model of the detailed racecar cockpit and a model of the seat/restraint systems. A frontal impact deceleration pulse was applied to the cockpit model. In the simulation, the driver chest moved forward under the shoulder belt and the pelvis was restrained by the crotch belt and the leg hump. The simulation predicted spine fracture at T11 and T12. It was found that a combination of axial compression force and bending moment at the spine caused the fractures. The axial compression force and bending moment were generated by the shoulder belt down force as the driver’s chest moved forward.
2016-11-08
Technical Paper
2016-32-0026
Meichun Peng, Jiahao Wang, Jiaru li
Abstract It was developed an eco-driving cycle for an energy saving race car. A fuel consumption simulation model of race car was established to simulate the real engine and vehicle performance based on driving rules and racing track condition. It was studied the effects of engine throttle opening and the vehicle speed in acceleration and deceleration modes on fuel consumption. Several driving schemes were proposed and compared, the optimum results are as follows: with lowest fuel consumption, the engine throttle opening is 60% to 80%, the vehicle speed range is 5 to 65km/h during acceleration and deceleration modes. In addition, the race car should coast in neutral fully at deceleration mode within the allowable running time of the racing rules. An eco-driving cycle was designed based on the optimum results. The simulating results show that the race car fuel consumption with the eco-driving cycle can be reduced by 37% comparing with previous one.
2016-10-25
Technical Paper
2016-36-0239
Lucas Iensen Bortoluzzi, Adriano Schommer, Mario Martins, Alexandre Aparecido Buenos
Abstract In many vehicle motorsport categories, the one of the most important factors that lead a team to the victory is the suspension setup. Parameters like roll stiffness and camber changing are essential to the vehicle behavior during a driving situation. To handle these variables, features like suspension hardpoints arrangement, pivot points position and spring stiffness can be settled. However a setup only will perform a desirable effect if the chosen configuration does not change. Ideally, to make it possible, every component that holds suspension loads (suspension members, mounting plates and chassis) would have to be infinitely rigid. Even though it is not achievable, the existing deformation can be small enough to be negligible when compared with suspension displacement. In order to reach this target, this paper introduce a spring modeling and a Finite Element multibody modeling process of a Formula SAE prototype’s suspension and chassis.
2016-10-25
Technical Paper
2016-36-0124
Luís Felipe Ferreira Motta Barbosa, José Elias Tomazini, Marcelo Sampaio Martins, Lucas Reis Rangel Querido Moreira, Marcos Yukio Tokuue Hori, Luís Felipe Santos Silva
Abstract The torsional stiffness of a chassis is one of the most important properties of a vehicle’s structure, once a low torsional stiffness has many negative effects, especially in handling characteristics. For the first time, the torsional stiffness was considered on the design of a Baja SAE prototype of the team from UNESP - FEG, “Equipe Piratas do Vale”. In this work, a finite element analysis is first performed in order to evaluate the torsional stiffness of this prototype, called MB1114. Then, an experimental evaluation of this parameter is executed, detailing the post-processing of the results, such as the hysteresis effect and uncertainty analysis. It also shows that it is possible to measure the torsional stiffness of chassis with a low experimental uncertainty without spending too much. The test rig used is simple to be produced and can be easily stocked. Those features are important for Baja and Formula SAE teams.
2016-10-25
Technical Paper
2016-36-0164
Rodrigo Pasiani Costa, Roberto Bortolussi
Abstract Lap time simulator (LTS) is a simulation tool used by racing teams to estimate lap time for a given vehicle setup, such as in Formula 1, Indy and Le Mans. This work employs a Formula SAE (FSAE) oriented LTS called OptimumLap, which uses a quasi-steady state method, to simulate prototype cars from Centro Universitário FEI. A MATLAB code has been created to simulate acceleration race and compare this result to OptimumLap. The latter has also been used to simulate skid pad and autocross events. RS8 simulation results have been compared to Michigan 2014 FSAE competition elapsed times for model validation. After validation of RS8 model, the new prototype RS9 was simulated in order to predict its performance; finally the results and the behavior of these two vehicles were compared.
2016-10-25
Technical Paper
2016-36-0309
Adriano Schommer, André Ogliari, Mario Martins
Abstract In the way of achieving maximum performance of a racecar several aspects of it have to be optimized. The whole picture of vehicle performance involves crossing data to find relationship among systems and identifying trends, pitfalls and optimum points. In this paper, a straightforward software tool for tire data analysis is developed and described. The software aims to integrate tire data analysis in early stages of the development process of a Formula SAE racecar. In addition, it is thought to be a learning environment to fresh team members. To establish and achieve the necessary goals, an affordancebased model was used to elicit user needs. Regarding the tires, it was possible to precisely point out what data is required to quickly fit a Pacejka tire mode and to cross raw tire data of different tires and preview the steady state balance of a vehicle.
2016-10-25
Technical Paper
2016-36-0444
L.C. Gertz, A.F.A. Rodrigues, A. Cervieri, J.I. Salis, J.S. Theis, G.S. Rolim, A.B. Oliveira
Abstract This study aims to determine the force acting on the rod ball end of an automotive suspension prototype from competition, participant in the Brazilian Tourism Championship 2016, used in training and to determine the fast lap time. The rod ball end is manufactured in SAE 4140 steel with heat treatment (body and ball) and the bush of polyacetal. To determine the force on the rod ball end the lower balance arm was converted into two load cells, through the setting of strain gage in each of the arms that compose it. It was recorded runway images with a camera in the cockpit and another camera placed inside the vehicle with the rear wheel housing, making possible to observe the suspension movement. When the prototype makes a chicane, the centripetal force is higher because the radius curve is small, when is accelerated it generates a force in line with the wheel, the front bar is compressed even more, and the rear is tensioned, that generates a load near to zero in this bar.
2016-10-25
Technical Paper
2016-36-0457
Weber Ferreira Veloso, Marcela Rodrigues Machado Garcia, Sabrina Glicéria Firmino, Juliana Queiroga Gazaniga de Assis, Diego Palhares de Faria
Abstract Through a computing transient thermal analysis, the team evaluated the quality of the material and its resistance to thermal fatigue by a comparative method. With the steel used in 1020 failed in 2014, for the team Formula UFMG, the 1020 steel, 1045, 1070 and stainless steel 304 were compared, where the stainless steel was the parameter of better resistance to thermal cracking. The main calculated parameters were subjected to empiric validations and the best material has been applied and used in the 2015 season. The use of the disks in a competition and in a battery of tests superior to 2014, permitted the evaluation of the final result of applying the material.
2016-10-25
Technical Paper
2016-36-0511
Wilcker Neuwald Schinestzki, Daniel Gustavo Schreiner, Carlos Eduardo Guex Falcão
Abstract The drag reduction system, commonly used in Formula 1, has as task to reduce the drag force that acts in the vehicle’s airfoils, increasing considerably its speed. When it comes to Formula SAE competition, since the speeds are lower than in F1, the purpose of the DRS can easily become the cooling, despite its name. This paper comes to the development of a drag reduction system applied to the frontal wing whose major objective is to increase the mass flow rate of air through the radiator. Based on a preliminary work supported by computational fluid dynamics, a frontal wing DRS can increase the mass flow rate in approximately 65% at an average velocity of 12 meters per second, which allows the team to use a smaller and lightweight radiator. The challenge was to design a lightweight and reliable automatic system, since it cannot fail nor take away the driver’s attention.
2016-10-17
Technical Paper
2016-01-2224
Miriam Di Russo, Jerry Ku, Juan Briones Idrovo
Abstract This paper details the development of the control algorithms to characterize the behavior of an electrohydraulic actuated dry clutch used in the powertrain of the Wayne State University EcoCAR 3 Pre-Transmission Parallel hybrid vehicle. The paper describes the methodology and processes behind the development of the clutch physical model and electronic control unit to support the calibration of the vehicle’s hybrid supervisory controller. The EcoCAR 3 competition challenges sixteen North American universities to re-engineer the 2016 Chevrolet Camaro to reduce its environmental impact without compromising its performance and consumer acceptability. The team is in final stages of Year Two competition, which focuses on the powertrain components integration into the selected hybrid architecture. The dry clutch used by the team to enable the coupling between the engine and the electric motor is a key component of the Pre-Transmission Parallel configuration.
2016-10-17
Technical Paper
2016-01-2225
Juan Sebastian Briones Idrovo, Jerry Ku
Abstract This paper details the development of a test-bench simulation to characterize the behavior of an electro-hydraulic actuated dry clutch used in a pre-transmission parallel hybrid powertrain architecture of Wayne State University EcoCAR 3. Engage and disengage systems play a crucial role in a pre-transmission parallel hybrid architecture. The most common device used to meet the purpose of physically connecting internal combustion engine and electric powertrains is a dry clutch. Its own characteristics and capabilities allow its usage for this application. The transition between the pure electric and hybrid modes is dictated by the main control strategy. Therefore, the engaging system will be widely used when switching from charge depleting to charge sustaining mode, and vice versa. In addition, when torque is required from both sources for higher performance, the clutch will be responsible for mechanically connecting both torque sources.
2016-10-17
Technical Paper
2016-01-2222
Eduardo D. Marquez, Douglas Nelson
Abstract The Hybrid Electric Vehicle Team of Virginia Tech (HEVT) is currently developing a control strategy for a parallel plug-in hybrid electric vehicle (PHEV). The hybrid powertrain is being implemented in a 2016 Chevrolet Camaro for the EcoCAR 3 competition. Fuzzy rule sets determine the torque split between the motor and the engine using the accelerator pedal position, vehicle speed and state of charge (SOC) as the input variables. The torque producing components are a 280 kW V8 L83 engine with active fuel management (AFM) and a post-transmission (P3) 100 kW custom motor. The vehicle operates in charge depleting (CD) and charge sustaining (CS) modes. In CD mode, the model drives as an electric vehicle (EV) and depletes the battery pack till a lower state of charge threshold is reached. Then CS operation begins, and driver demand is supplied by the engine operating in V8 or AFM modes with supplemental or loading torque from the P3 motor.
2016-04-05
Technical Paper
2016-01-1576
Federico Ballo, Gianpiero Mastinu, Massimiliano Gobbi
Abstract Mass minimization is a key objective for the design of racing motorcycle wheels. The structural optimization of a front motorcycle wheel is presented in the paper. Topology Optimization has been employed for deriving optimized structural layouts. The minimum compliance problem has been solved, symmetry and periodicity constraints have been introduced. The wheel has been optimized by considering several loading conditions. Actual loads have been measured during track tests by means of a special measuring wheel. The forces applied by the tire to the rim have been introduced in an original way. Different solutions characterized by different numbers of spokes have been analyzed and compared. The actual racing wheel has been further optimized accounting for technological constraints and the mass has been reduced down to 2.9 kilograms.
2016-04-05
Technical Paper
2016-01-0003
Alberto Taraborrelli, Francesco Braghin
Abstract This paper reports the studies, design and developments of an electronic electro-actuated gearshifter installed on the DP7, which is Politecnico di Milano car that took part at Formula SAE 2015 competitions in Hockenheim and Varano dè Melegari. The original idea was born to replace the hydraulic gearshift system used until 2011 because of its high weight and cost. After many evaluations about the kind of technology to use, made by previous team members in the electronic department, the final project was a fully electric shifter. This system has proven its qualities among which are lightness and low cost.
2016-04-05
Technical Paper
2016-01-0429
Paul Augustine, Timothy Hunter, Nathan Sievers, Xiaoru Guo
Abstract The performance of a structural design significantly depends upon the assumptions made on input load. In order to estimate the input load, during the design and development stage of the suspension assembly of a BAJA car, designers and analysts invest immense amount of time and effort to formulate the mathematical model of the design. These theoretical formulations may include idealization errors which can affect the performance of the car as a final product. Due to the errors associated with the assumption of design load, several components might have more weight or may have less strength than needed. This discrepancy between the assumed input load (lab or theoretical studies) and the actual load from the environment can be eliminated by performing a real life testing process using load recovery methodology. Commercial load cells exist in industry to give engineers insight to understanding the complex real world loading of their structures.
2016-04-05
Technical Paper
2016-01-1588
Abdalla Abdel-Rahman, Martin Agelin-Chaab, Gary Elfstrom, John Komar
Abstract Wind tunnels with integrated aerodynamic and thermodynamic testing with yaw capabilities are not common. In this study however, an integrated aerodynamic and thermodynamic testing system with yaw capabilities is developed and applied in the climatic wind tunnel at the University of Ontario-Institute of Technology (UOIT). This was done by installing an incremental force measuring system (FMS) on the large turntable that features a chassis dynamometer. The testing system was utilized to implement an integrated aero-thermal test on a full-scale race car. An efficient testing protocol was developed to streamline the integrated testing process. The FMS was used to enhance the test car’s stability, cornering speed, and fuel efficiency by using aerodynamic devices. These objectives were achieved by installing a high rear wing to increase the rear downforce, a modified front splitter extension to produce a front downforce gain, and front canards to contribute to drag reduction.
2016-04-05
Technical Paper
2016-01-1173
Federico Bengolea, Stephen Samuel
Abstract In the continuous search for technology to improve the fuel economy and reduce greenhouse gas emission levels from the automotive vehicle, the automotive industry has been evaluating various technological options. Since the introduction of stringent legislative targets in Europe as well as in the United States of America in late 20th Century, one of the viable options identified by the industry was the application of alternative powertrain. On the motorsport arena, changes introduced by the Formula 1 governing body (FIA) for the high-performance racing engines also focuses on fuel economy. FIA regulation for 2014 restricts the fuel-flow rate to a maximum of 100kg/hr beyond 10,500 rev/min and prescribe fuel flow rate below 10,500 rev/min operating conditions for the F1 Engines. In addition, Formula1 and Le Mans racing regulations actively promote the integration of the hybrid powertrain in order to achieve optimum fuel economy.
2016-04-05
Technical Paper
2016-01-1581
Felix Wittmeier, Armin Michelbach, Jochen Wiedemann, Victor Senft
Abstract With its recent wind tunnel upgrade, FKFS installed the first interchangeable three-belt / five-belt-system (FKFS first®) in a full scale automotive wind tunnel. With the five-belt system, which today is a state-of-the-art ground simulation technique, the system is ideally suited for production vehicle development work. The five-belt system offers high flexibility, quick access to the underfloor and vehicle fixation, and setting the vehicle’s ride height by the restraint device. The first results of the five-belt system have already been published in SAE 2015-01-1557 [1]. The three-belt system on the other hand, offers a much more sophisticated ground simulation technique which is necessary especially for sports and racing cars. For such vehicles with very low ground clearances, it is important to have a more accurate ground simulation, in order to capture the same aerodynamic modes of action and response as on the road.
2016-04-05
Technical Paper
2016-01-0174
Jun Ni, Jibin Hu, Xueyuan Li, Bin Xu, Junjie Zhou
Abstract In order to discuss the limit handling performance of a FSAE race car, a method to generate the G-G diagram was proposed based on phase plane concept. The simulated G-G diagram was validated by experiments with an electric FSAE race car. In section 1, a nonlinear 7 DOFs dynamic model of a certain electric FSAE race car was built. The tire mechanical properties were described by Magic Formula, and the tire test data was provided by FSAE TTC. In section 2, firstly the steady-state yaw rate response was discussed in different vehicle speed and lateral acceleration based on the simulations. Then the method to generate the G-G diagram based on phase plane concept was proposed, and the simulated G-G diagram of a certain FSAE race car was obtained. In section 3, the testbed FSAE race car was described, including the important apparatuses used in the experiments. Based on the race track experiment, the G-G diagram of the race car was obtained.
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