## 2 Methods
### Optimization Algorithm Design
Available online: [[https://baijiahao.baidu.com/s?id=1663848656464964799&wfr=spider&for=pc](https://baijiahao.baidu.com/s?id=1663848656464964799&wfr=spider&for=pc)]([https://baijiahao.baidu.com/s?id=1663848656464964799&wfr=spider&for=pc](https://baijiahao.baidu.com/s?id=1663848656464964799&wfr=spider&for=pc)) (accessed on 13 October 2023). * (3) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Collaborative truck-drone routing for contactless parcel delivery during the epidemic. _IEEE Trans. Intell. Transp. Syst._**2022**, _23_, 25077-25091. [CrossRef]
* (4) [PERSON]; [PERSON] Intricacies of Medical Drones in Healthcare Delivery: Implications for Africa. _Technol. Soc._**2021**, _66_, 101624. [CrossRef]
* (5) [PERSON] Do Drones Have a Realistic Place in a Pandemic Fight for Delivering Medical Supplies in Healthcare Systems Problems? _Chin. J. Aeronaut._**2021**, _34_, 182-190. [CrossRef]
* (6) [PERSON]; [PERSON] Aerial Drones for Blood Delivery. _Transfusion_**2021**, _59_, 1608-1611. [CrossRef] [PubMed]
* (7) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Drone flight data reveal energy and greenhouse gas emissions savings for very small package delivery. _Patterns_**2022**, \(3\), 100569. [CrossRef] [PubMed]
* (8) [PERSON]; [PERSON]; [PERSON]; [PERSON] Robust Multi-Period Maximum Coverage Drone Facility Location Problem Considering Coverage Reliability. _Transp. Res. Rec._**2023**, _2677_, 98-114. [CrossRef]
* (9) [PERSON]; [PERSON]; [PERSON]; [PERSON] A Location-Routing Model for Prepositioning and Distributing Emergency Supplies. _Transp. Res. Part E Logist. Transp. Rev._**2016**, _90_, 161-176. [CrossRef]
* (10) [PERSON]; [PERSON]; [PERSON] Maximum Profit Facility Location and Dynamic Resource Allocation for Instant Delivery Logistics. _Transp. Res. Rec._**2022**, _2676_, 697-710. [CrossRef]
* (11) [PERSON]; [PERSON]; [PERSON]; [PERSON] Research on Optimization Method and Algorithm Design of Green Simultaneous Pick-up and Delivery Vehicle Scheduling under Uncertain Demand. _Sustainability_**2022**, _14_, 12736. [CrossRef]
* (12) [PERSON]; [PERSON] Optimizing a supply chain problem with nonlinear penalty costs for early and late delivery under generalized lead time distribution. _Comput. Ind. Eng._**2021**, _160_, 107536. * (13) [PERSON]; [PERSON] Optimizing a Time-Sensitive Supply Chain with a Power Function Penalty Cost. _J. Eng. Proj. Proj. Manag._**2023**, _13_, 113-124. * (14) [PERSON]; [PERSON]; [PERSON]; [PERSON] A multimodal logistics service network design with time windows and environmental concerns. _PLoS ONE_**2017**, _12_, e0185001. [CrossRef]
* (15) [PERSON]; [PERSON]; [PERSON] Optimization approaches for the traveling salesman problem with drone. _Transp. Sci._**2018**, _52_, 965-981. [CrossRef]
* (16) [PERSON]; [PERSON]; [PERSON]; [PERSON] Multi-target UAV mission planning in military logistics. _Chin. Comput. Simul._**2017**, _33_, 85-89. * (17) [PERSON]; [PERSON]; [PERSON]; [PERSON] Route planning method of plant protection UAV based on Grid-GSA algorithm. _Chin. Trans. Agric. Mach._**2017**, _48_, 29-37. * (18) [PERSON]; [PERSON]; [PERSON] cluster task assignment algorithm based on improved QACA. _Chin. Mod. Navig._**2019**, _10_, 28-33. * (19) [PERSON]; [PERSON]; [PERSON] Mixed population RRT UAV track planning method. _Chin. Syst. Eng. Electron._**2020**, _42_, 101-107. * (20) [PERSON]; [PERSON]; [PERSON] Real-time task assignment of multi-heterogeneous UAVs with simultaneous attack constraints is considered. _Chin. Sci._**2019**, _49_, 555-569. * (21) [PERSON]; [PERSON] Collaborative task assignment of heterogeneous multi-UAV based on multi-gene genetic algorithm. _Chin. Flight Mech._**2019**, _37_, 39-44. * (22) [PERSON] Research on Optimization of Collaborative Delivery of Trucks and Drones under Urban Floods. Master's Thesis, Xi'an Technological University, Xi'an, China, 2024. * (23) [PERSON]; [PERSON]; [PERSON] Sustainable last mile parcel delivery and return service using drones. _Eng. Appl. Artif. Intell._**2023**, _124_, 1066361.