Coordinated Control Strategy of EPS and TCS for Four-Wheel Drive Vehicle

Jiang, Libiao; Qiu, Huachuan; Yang, Jie; Huang, Shucheng; Ma, Le; Qiu, Shaojian

doi:10.1109/iscid.2016.1042

Cited by 3 publications

(3 citation statements)

References 11 publications

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“…Set the entrance velocity, deceleration before roundabout, acceleration after roundabout, then the longitudinal velocity can be expressed as (11).…”

Section: B Reference Longitudinal Velocitymentioning

confidence: 99%

“…Few researchers took the driving torque into account for vehicle integrated control which can earlier actively control the longitudinal motion. Ono et al [9], Fahimi [10], and Jiang et al [11] studied the steering and driving/braking integrated control for four-wheel drive vehicle. L. Menhour and Fliess et al [12]- [14] utilized the flatness theory to design the controller and achieved good path tracking effects.…”

Section: Introductionmentioning

confidence: 99%

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Active Steering and Driving/Braking Coupled Control Based on Flatness Theory and a Novel Reference Calculation Method

et al. 2019

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Vehicle handing stability under the combined acceleration steering and braking steering conditions has a great impact on the vehicle safety. Therefore, the coupled steering and driving/braking stability control is essential. Thus, a novel controller based on differential flatness and vehicle stability region is proposed. First, the reference vehicle state variables are calculated and the vehicle stability region is established based on vehicle dynamics and bifurcation analysis. Then, the flatness-based controller is designed which can ensure the vehicle handing stability by controlling the vehicle states approaching their references. Based on the driver preview model, the vehicle can keep good path tracking effect by tracking the lateral deviation. The simulation results of the double lane change tests show that the proposed control method can ensure both the vehicle handing stability and the path tracking effect. Compared to vehicle equipped with the integration of active front steering and direct yaw moment control, vehicle controlled by flatness-based controller performs better in both handing stability and path tracking.INDEX TERMS Vehicle coupled control, differential flatness, stability region, handing stability, path tracking.

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“…Set the entrance velocity, deceleration before roundabout, acceleration after roundabout, then the longitudinal velocity can be expressed as (11).…”

Section: B Reference Longitudinal Velocitymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Active Steering and Driving/Braking Coupled Control Based on Flatness Theory and a Novel Reference Calculation Method

et al. 2019

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show abstract

“…But the control effect was determined by the tire-road friction estimation precision and tire model accuracy. The coordinated control strategy of the EPS and Traction Control System (TCS) was proposed in [13], which limited the assist torque and the target slip ratio to ensure the vehicle steering stability and longitudinal acceleration performance. But the influence on one subsystem from another was considered poorly.…”

Section: Introductionmentioning

confidence: 99%

Disturbance Compensation and Torque Coordinated Control of Four In-Wheel Motor Independent-Drive Electric Vehicles

Hou

Leng

et al. 2020

IEEE Access

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Functional overlaps and conflicts between Electronic Power Steering (EPS) and Torque Vectoring Control (TVC) for Distributed Drive Electric Vehicles (DDEVs) are issues that need to be addressed urgently. This paper deals with the interaction between EPS and TVC from the view of the influence mechanism and control objectives. The disturbance steering torque caused by the differential torque is estimated and a unified steering characteristic is proposed. To validate the analysis results, a torque compensation strategy is modified based on the exiting control system. And a robust vehicle state estimator is built thanks to the aligning torque estimation to provide the necessary information. Typical ground test results show that the torque oscillation on the steering wheel is suppressed. A faster and more linear steering response can be seen, which means that the proposed disturbance compensation strategy can comfort the contradiction between EPS and TVC, also improve the handling performance of the vehicle.

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Design, Development and Application of Test Bench for Electrically Controlled Steering Systems

Wang

Zheng

Zong

2018

SAE Technical Paper Series

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Coordinated Control Strategy of EPS and TCS for Four-Wheel Drive Vehicle

Cited by 3 publications

References 11 publications

Active Steering and Driving/Braking Coupled Control Based on Flatness Theory and a Novel Reference Calculation Method

Active Steering and Driving/Braking Coupled Control Based on Flatness Theory and a Novel Reference Calculation Method

Disturbance Compensation and Torque Coordinated Control of Four In-Wheel Motor Independent-Drive Electric Vehicles

Design, Development and Application of Test Bench for Electrically Controlled Steering Systems

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