Agentic Distributed System Ops (Order Lab @ UMich, May 2025–Present, Advised by Ryan Huang)
- Built an agent-based auto-mitigation loop (reproduce → measure → decide → mitigate) for common failures: overload, network latency/loss/partitions.
- Targets: Apache ZooKeeper/HDFS (3-node dev clusters); faults via ChaosBlade/Chaos Mesh and
tc network controls; synthetic workload generators. - Mitigation: HAProxy (TCP routing/failover) and Resilience4j (circuit breaker, bulkhead, rate limiter) with scripted rollback/timeout policies.
- Observability: Prometheus + JMX Exporter tracking
avg_latency, outstanding_requests, connections, session expirations, leader stability, and error rate; SLO-oriented dashboards.
Simulated Basic Operating System (EECS 482, Jan–Apr 2025)
- Threads: user-level multicore threads (swapcontext/makecontext), Mesa monitors; interrupts/core-suspend; non-preemptive FIFO run queues.
- Pager/MMU: SWAP & FILE-backed pages; page tables with present/reference/dirty bits; COW + clock eviction; supports
fork/mmap. - NFS: inode-based, Unix-style NFS; concurrency with Boost shared/upgrade/unique locks; robust error handling.
Network Simulation with Mininet (EECS 489, Jan–Apr 2025)
- Custom topologies with iperf-style RTT/throughput (C++ sockets); proxy via
select/poll + round-robin; DASH adaptive streaming. - Transport emulation: TCP sliding window over UDP (GBN/SR, cumulative/selective ACKs); L3 router with ARP, ICMP, basic intra-domain routing.
Digital Forensics (EECS 388, Jan–Apr 2025)
- Cryptanalysis & cracking: length-extension, padding-oracle; John the Ripper (PDF/ODT), Hydra (SSH).
- Web exploitation: data enumeration; auth bypass via XSS/SQLi/CSRF.
- Binary/RE: BOF; ROP/NOP-sled vs DEP/ASLR; Ghidra decompilation & triage.
- Protocols/2FA: TLS 1.3 handshake; Google-style TOTP.
Origami-Inspired Soft Robotic Arm (HDR Lab @ UMich, Sept 2024–Present, Advised by Xiaonan Huang)
- Kresling origami + pneumatic actuation for confined-space manipulation.
- Led STM32 & Orange Pi firmware (dynamics/PID, CAN/I²C); C++/Rust core algorithms; contributed to PCB design.
- Demos/extended abstracts: ICRA 2025 Workshop (Best Poster), RoboSoft 2025 Workshop, ICON 2025.
Lab: HDR Lab
LLM-Guided Manipulation with Flexiv 7-DoF Arm (Sirius Lab @ SJTU, Feb–Sept 2024, Advised by Yutong Ban)
- Built an LLM-driven pipeline that turns natural-language instructions into executable manipulation plans on a Flexiv 7-DoF arm.
- Implemented FK/IK and motion planning with Flexiv RDK; integrated ZED depth perception for scene understanding and grasp placement.
- Designed a constraints-aware controller (joint/velocity/workspace limits) with smooth trajectories and closed-loop refinement from vision feedback.
- Combined simulation data with real runs to improve task reliability (e.g., jigsaw puzzle assembly).
Auto Sentry Robot Control (RoboMaster @ SJTU, 2023–2024)
- STM32-F407 platform; dual-gimbal stabilization; high-response 4-wheel chassis.
- CAN/UART pipelines for CV/LiDAR; IMU-based absolute-pose control.
