ENGINEERING PORTFOLIO · 2027

Dianliang Li

M.Eng. Candidate in Vehicle Engineering · B.Eng. in Electronic Information Engineering车辆工程硕士研究生 · 电子信息工程本科

I connect hardware, control software and real machines. My experience has trained me to learn unfamiliar systems quickly, locate problems across technical boundaries, and communicate clearly with engineers, suppliers and customers.具备连接硬件、控制软件与真实设备的综合工程能力，能够快速理解陌生系统、跨技术边界定位问题，并与工程师、供应商和客户清晰沟通。

VIDEO INTRODUCTION · 3:10视频介绍 · 3 分 10 秒

A little about me我的自我介绍

An introduction to my education, internship experience and technical skills.通过一段视频，了解我的教育背景、实习经历与技术能力。

Open video ↗单独打开视频 ↗
01 / INDUSTRIAL EXPERIENCE01 / 实习经历

Industrial control, integration and field problem-solving工业控制、系统集成与现场问题解决

Electrical Engineering Intern · Guangxi Mesda Engineering Machinery广西美斯达机械设备有限公司 · 电气工程师实习生

Mobile crushing equipment in operation移动破碎设备现场

Working on mobile jaw crushers expanded my view from individual circuits to the complete machine. I learned to understand problems through electrical schematics, control logic, communication networks and mechanical behavior—then turn that understanding into a testable solution.移动颚式破碎机的工作经历将工程视角从单块电路拓展到整机系统，形成了结合电气原理图、控制逻辑、通信网络和机械运行状态分析问题，并将判断转化为可验证方案的能力。

Systems thinking系统思维

Translate machine requirements into interfaces, control logic and communication behavior while considering the whole product.能够把整机需求转化为界面、控制逻辑和通信行为，同时保持对完整产品的理解。

Root-cause diagnosis根因诊断

Narrow uncertain faults across wiring, devices, software and protocols, and verify conclusions through field tests.能够在接线、设备、软件和协议之间逐步缩小故障范围，并通过现场测试验证结论。

Cross-functional communication跨团队沟通

Work with industrial designers, VCU engineers, suppliers and customers, turning different concerns into actionable technical decisions.能够与工业设计、VCU 工程师、供应商和客户协作，把不同诉求转化为可执行的技术决定。

Ownership and improvement主动负责与持续改进

Learn a new platform independently, document its use, improve code structure and propose a bench-debug workflow to reduce later integration cost.能够自主学习新平台、沉淀使用资料、改善代码结构，并提出台架调试流程以降低后期联调成本。

Interface & control integration界面与控制集成Turning operating requirements into a clear, usable machine interface.把操作需求转化为清晰、可用的整机交互。
Field integration & diagnosis现场联调与诊断A record of testing, observation and evidence-based troubleshooting.通过测试、观察和证据完成问题定位。
02 / MASTER'S STUDY02 / 硕士阶段

Building complete systems from first principles从基本原理出发完成系统落地

M.Eng. in Vehicle Engineering · Guilin University of Electronic Technology桂林电子科技大学 · 车辆工程硕士研究生

STM32 data acquisition board
End-to-end engineering软硬件端到端实现Independently designed the circuitry, PCB and firmware for a vibration and laser-displacement acquisition board.独立完成振动与激光位移采集卡的电路、PCB 和嵌入式软件。
GNSS and IMU navigation hardware
Architecture and hardware integration方案设计与硬件集成Defined the architecture and completed the hardware design for a compact GNSS + IMU navigation module.完成小型 GNSS + IMU 导航模块的方案设计与硬件实现。
Control fundamentals and persistence控制基础与持续迭代

I built inner and outer PID loops by hand and reached stable balance under limited test conditions. I later deployed the mature open-source PX4 flight stack to a proven open-source hardware platform, achieved takeoff, and continued studying its code structure and control implementation.独立搭建无人机内外环 PID，在有限调试条件下实现稳定平衡；后续将成熟的开源飞控软件 PX4 部署到成熟的开源硬件平台，完成无人机起飞，并进一步研究其代码结构与控制实现。

GRADUATION THESIS · SIMULATION STAGE毕业论文 · 仿真阶段

Energy management for a range-extended mobile jaw crusher增程式移动颚式破碎机能量管理

This work develops my ability to define system boundaries, model energy flows and design control strategies around engine efficiency and changing machine load. The company project did not continue; my thesis remains simulation-based, and I keep that boundary explicit.课题重点训练系统边界定义、能量流建模，以及围绕发动机高效区与设备负载变化设计控制策略的能力。公司项目未继续推进，毕业论文目前仍处于仿真阶段，并明确区分工程设想、仿真模型与实际验证。

03 / UNDERGRADUATE03 / 本科阶段

A practical foundation in electronics and instrumentation电子电路与仪器仪表的实践基础

B.Eng. in Electronic Information Engineering · Hengyang Normal University衡阳师范学院 · 电子信息工程本科

Coursework in circuits, analog electronics and digital electronics was reinforced through sustained training in an electronic-design laboratory. The working method covered the full loop from interpreting specifications and calculating a solution to circuit construction, instrument measurement and fault isolation.本科阶段系统学习电路、模拟电子技术与数字电子技术，并在电子设计竞赛实验室进行持续训练。实践过程覆盖指标拆解、方案计算、电路搭建、仪器测量和故障定位，逐步形成以测量结果验证设计判断的工程习惯。

Projects included resistance, capacitance and inductance testers, digital frequency meters, high-frequency amplifiers, spectrum analysis, circuit-characteristic testing and distortion measurement. Taking primary responsibility for hardware strengthened my ability to decompose problems, build quickly and iterate under time pressure.训练项目涵盖电阻、电容和电感测试仪、数字频率计、高频放大器、频谱分析、电路特性测试及信号失真度测量装置，主要负责硬件方案与电路调试。连续实践强化了在时间压力下拆解问题、快速搭建、反复测量并稳定完成任务的能力。

Electronics laboratory instruments used for measurement and debugging
Measurement-led debugging以测量驱动调试Hands-on use of signal generators, oscilloscopes, power supplies and related instruments turned circuit behavior into observable evidence.通过信号源、示波器、电源等仪器开展验证，让电路状态转化为可观察、可判断的证据。
Block diagram of a swept-frequency spectrum analyzer training project
System-level circuit decomposition系统级电路拆解A spectrum-analyzer training task: translate signal-processing principles into mixer, amplifier, filter, detector, sweep and display modules, then connect them as a verifiable signal chain.简易频谱分析仪训练题：将信号处理原理拆分为混频、放大、滤波、检波、扫频与显示模块，再组合成可逐级验证的完整信号链。
First Prize一等奖2022 Hunan College Student Electronic Design Competition2022 年湖南省大学生电子设计竞赛

Select a certificate to bring it to the front.点击证书或下方名称，将它放到最上层。

SPOKEN ENGLISH · REAL CONVERSATION英语口语 · 真实交流

Comfortable starting and sustaining a basic conversation能够主动开启并维持基础英语交流

My spoken English is still developing, but I can handle basic conversations with international speakers by listening carefully, asking for clarification and responding step by step. I practise every day and am comfortable communicating even when the exchange is not perfect.英语口语仍在持续提升，但能够通过认真倾听、主动确认和逐句回应，与外国人完成基础日常交流。保持每日练习，也愿意在表达尚不完美时主动沟通、把交流继续下去。

A 60-second record of real-time cross-cultural conversation practice60 秒实时跨文化交流练习记录
CHARACTER工作特质

Curious, steady and evidence-minded. I enjoy entering unfamiliar systems, making complexity understandable and carrying difficult problems through to a clear conclusion.保持好奇，也保持耐心。面对陌生系统，善于把复杂问题逐步理清，并以证据推动问题走向明确结论。

COLLABORATION沟通协作

I listen carefully, adapt how I explain technical issues, and help engineers, suppliers and customers reach a shared understanding that moves work forward.重视倾听，也重视把技术讲清楚。能够根据工程师、供应商与客户的不同关注点调整表达，让信息被准确理解，让协作继续向前。

WORK I VALUE工作期待

I value teams that care about useful products, sound engineering and long-term growth—places where responsibility is real, collaboration is open and good work is allowed to compound.期待加入重视产品价值、工程质量与长期成长的团队，在真实责任中积累能力，在开放协作中拓展视野，让认真完成的工作持续产生价值。