Vasudev KARREDLA

1. Worked on rolling stock safety assurance plan, reliability assurance plan documentation, preliminary Hazard analysis and Interface Hazard analysis.
2. Worked on Hazard Identification (HAZID, FTA, FMECA) and Hazard Analysis (PHA, SHA, SSHA, IHA, OSHA).
3. Knowledge of ISO/IEC 61508 functional safety of EEPE safety related systems and safety lifecycle following the standard engineering lifecycle of the EN 50126.
4. Full understanding of DOORS.
5. Identify the different interfaces between Signalling and Rolling-Stock
6. Describe briefly the Rolling-Stock and the different Signalling sub-systems
7. Present the different Signalling architecture according to the train configuration
8. Present the network architecture linking the Signalling sub-systems and Rolling-Stock
9. Present the global power distribution for signalling equipment
10. Introduce the RS function in which the signalling resources must be inserted
11. Introduce the electrical interface specification which details the electrical characteristics of every train line
12. Define the table truth in accordance with train configuration and allocate safety integrity level
13. Present an overview of the CC architecture and describe each block in term of electrical diagram and product detail
14. Briefly explain DCS on-board architecture as per project context and the detailed description of DCS subsystem interface with Rolling Stock, such as mechanical characteristics and constraints of the different DCS equipment, and Electrical interface specifying the electrical connections (pin-out and cable) interfaces between RS & DCS Subsystem.
15. Describes the mechanical and electrical interface of the Train Wake-up Unit from the signalling system to be installed in the train provided by Rolling Stock.
16. Present an overview of the TWU architecture and describe each block in term of electrical diagram and product detail

The Morgantown Personal Rapid Transit (WVU PRT).
1.Had introduction overview to Thales Seltrac® CBTC solution -IS and MS.
2. Had project context overview introduction for track survey data recording on
the Morgantown Personal Rapid Transit (WVU PRT).
3. On Job Training for track survey data recording in the system database tool

Bangalore metro rail project, Reach R3B and UG1_2.
1. Done preliminary design for the compensated gradients generation, subdivision drawing and beacon placements.
2. Done ATC trackside data preparation in-accordance with MASTRIA ATC subdivision rules.
3. Performed detailed design activities for subdivision drawing, beacon placements, vehicle turn back scenarios and ESA scenarios.
4. Involved in team and CCB meetings for project deliverables.
KOCHI metro rail project, KD1 milestone.
1. As per tender requirements and project particular specification, Involved in Onboard preliminary design, Interface gate reviews and rolling stock interfaces. Done hardware interface definition documentations.
2. Done electrical and mechanical SIG-RS signal and rolling stock interfaces documentation. Drafted the requirements for the project onboard train borne signaling system architecture and preliminary scope of supply.
3. Supported the project for all technical and operational matters associated with rolling stock and ATC interface.

Tata Consultancy Services Limited (TCS), formally CMC Limited,
ATC System Testing and Commissioning Engineer.
1. Phase 1 and Phase 2 - AUTOMATED PEOPLE MOVER- PNU, Driverless Metro project, Riyadh, Saudi Arabia.
2. MOTORBUS BRESCIA, L3, Driverless Metro Project, Brescia, Italy.
3. MONTREAL STM Track Signal Generator (VCS), Montreal, Canada.
4. HONOLULU Rail Transit Project, Hawaii, USA. (Preliminary phase).
5.Handling offshore and onsite processes and interaction with client and understanding the customer specification, designs and involved in preparation of effort estimations.
6. Had In-depth knowledge of Quasi moving block railroad ATC systems and Fixed block Distance-to-Go ATC system architecture and subsystems interfaces,
7. Worked and had real-time field experiences on Wayside and Vehicle ATC installation, commissioning & testing, Rolling stock interfaces and TCMS interfaces.
8. Well versed with AnsaldoBreda V750® rolling stock TCMS and TDMS.
9. Well versed with Ansaldo-STS -Automatic train control system/Positive train control systems product - Microlok®-II, Microcab® -II system.
10. Has thorough knowledge of system ATC test plan requirements, a complete understanding of ATC system specifications and Hardware architecture specifications, detailed design hardware requirements and specifications. Rolling stock and TCMS interfaces. Vehicle ATC onboard architecture specifications.
11. Performed the real-time fault diagnostics and fail case scenarios debugging. Done ATP system test cases and Hardware documentation and data reporting to QA assessment and audit team(s).

1. Done mixed analog and digital hardware design, development and testing for Railroad ATC real time & embedded systems applications.
2. Installation, testing and commissioning & maintenance of processor based interlocking system’s equipment and test jigs.
3. Performed validation (V&V) of interlocking circuits and application logic, wayside gears, panel, operator pc & maintenance pc correspondence tests.
4. Performed simulation test using the fat & sat setups and test through testing tools / software’s. Performed wire continuity test (bell test), wire count, null count and layout checking.
5. Done EU Test documentation, component de-rating analysis and supported the post customer support.