Essays about: "Ling Liu"

Showing result 1 - 5 of 8 essays containing the words Ling Liu.

1. 1. Magnetron Sputter Epitaxy of High-quality GaNand Plasma Characterization of the Process : Degree Project–Master’s Thesis

   University essay from Linköpings universitet/Tunnfilmsfysik

   Author : Yi-Ling Lo; [2021]
   Keywords : GaN; Semiconductors; Nanomaterials; Thin film; Magnetron Sputtering; Epitaxy; XRD; Physical Vapor Deposition;

   Abstract : Several sputtering depositions were done by direct current (DC) magnetron sputtering epitaxy (MSE) techniquefor the goal of improving the growth rate and crystalline quality of GaN thin film on Al2O3 substrate. Thegrowth rate was higher when substrate-to-target distance D = 7 cm compared with D = 9. READ MORE

3. 2. Game of Drones - Viability Study of Drone Deliveries in Swedish Rural Last Mile Transport

   University essay from Göteborgs universitet/Graduate School

   Author : Lena Persson; Ling Liu; [2020-06-22]
   Keywords : Drone; UAV; Last mile; B2C; Logistics; Rural area; Sweden;

   Abstract : Problem discussion and objective: Despite its well-established networks of service points, Swedish logistics carriers are still facing many last mile challenges in terms of satisfying customers and becoming more sustainable while also being profitable. These challenges are expected to escalate especially in Swedish rural areas which cannot be solved by conventional methods. READ MORE

4. 3. Model Predictive Control Using Neural Networks : a Study on Platooning without Intervehicular Communications

   University essay from Linköpings universitet/Reglerteknik

   Author : Gustav Ling; Klas Lindsten; [2017]
   Keywords : MPC; platooning; neural networks; velocity profile estimation; gear shift dynamics; heavy duty vehicle; machine learning;

   Abstract : As the greenhouse effect is an imminent concern, motivation for the development of energy efficient systems has grown fast. Today heavy-duty vehicles (HDVs) account for a growing part of the emissions from the vehicular transport sector. READ MORE

5. 4. Propulsion Unit of a 3DOF Helicopter

   University essay from Linköpings universitet/Fluida och mekatroniska system; Linköpings universitet/Tekniska fakulteten

   Author : Gustav Ling; Jesper Persson; [2015]
   Keywords : propulsion unit; helicopter; rig; dynamics; thrust rig; mechatronics; 3DOF; tandem helicopter; DC motor; brushless DC motor; brushed DC motor; APC; Maxon; propeller mount; tandem helicopter;

   Abstract : This Bachelor thesis is a part of a bachelor project which includes building, programming and controlling a 3DOF tandem helicopter. This particular report deals with the propulsion units, i.e. the motors and propellers of the helicopter. READ MORE

6. 5. Decentralized Urban Wastewater Reuse in China : - with Focus on Grey Water

   University essay from Filosofiska fakulteten; Institutionen för tema

   Author : Ling Zhong; [2013]
   Keywords : grey water reuse; reclaimed wastewater; decentralized; urban; China; sustainable water management;

   Abstract : Grey water reuse has attracted more and more attention among researchers and professionals in recent years. As most of the Chinese cities are undergoing the process of fast urbanization and economic development, many water-related problems have occurred and urban water resources management has become a strategic issue. READ MORE