What question did this study set out to answer?

The central aim is to develop an advanced trajectory planning method for connected and automated heavy vehicles that balances safety, eco-friendliness, efficiency, and comfort.

June 19, 2026IET Intelligent Transport SystemsOpen Access

Rolling Multi‐Objective Trajectory Planning for Connected and Automated Heavy Vehicles Based on the Tolerance Lexicographic Method

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Authors

XHXiangwang HuSoochow University JTJiaxin TongCentral South University 俄俄文娟Soochow University

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Implication

Randomized trial investigates trajectory planning methods for heavy vehicles to improve eco-friendliness and efficiency, suggesting enhanced safety and comfort.

Key Points

The central aim is to develop an advanced trajectory planning method for connected and automated heavy vehicles that balances safety, eco-friendliness, efficiency, and comfort.
Proposed tolerance lexicographic method combines state-space sampling and collision detection.
Defined two planning modes: fuel-saving and high-efficiency, each prioritizing different objectives.
Conducted experiments in straight-driving and lane-change scenarios to assess effectiveness.
The proposed method reduces CO2 emissions by 15.0% in fuel-saving mode compared to high-efficiency mode.
High-efficiency mode offers a 2.7% increase in average speed.
Compared to a weighted-sum baseline, the proposed method demonstrates superior interpretability and consistency across scenarios.

Cite This Study

Hu et al. (2026) studied this question.

synapsesocial.com/papers/6a34df4a65a5b0777af2e687 https://doi.org/10.1049/itr2.70259

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Implication

Randomized trial investigates trajectory planning methods for heavy vehicles to improve eco-friendliness and efficiency, suggesting enhanced safety and comfort.

Rolling Multi‐Objective Trajectory Planning for Connected and Automated Heavy Vehicles Based on the Tolerance Lexicographic Method

Discussion

Member takes

Implication

Key Points

Cite This Study

Rolling Multi‐Objective Trajectory Planning for Connected and Automated Heavy Vehicles Based on the Tolerance Lexicographic Method

Discussion

Member takes

Implication

Key Points

Cite This Study

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