Maaz Mashood Mohiuddin

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We consider the problem of coordination among replicated SDN controllers, where the challenge is to ensure a consistent view of the network while reacting to network events in a prompt manner. Existing solutions are either consensus-based, which achieve co ...

We consider cyber-physical systems (CPSs) comprising a central controller that might be replicated for high-reliability, and one or more process agents. The controller receives measurements from process agents, causing it to compute and issue setpoints tha ...

Applications performing streaming of phasor- measurement data require low latency and losses from the communication network. Traditionally, such requirements are realized through wired infrastructure. Recently, wireless infras- tructure has gained attentio ...

Real-time control systems (RTCSs) perform complex control and require low response times. They typically use third-party software libraries and are deployed on generic hardware, which suffer from delay faults that can cause serious damage. To improve avail ...

Reliable packet delivery within stringent delay constraints is of primal importance to industrial processes with hard real-time constraints, such as electrical grid monitoring. Because retransmission and coding techniques counteract the delay requirements, ...

We describe the real-time monitoring infrastructure of the smart-grid pilot on the EPFL campus. We experimentally validate the concept of a real-time state-estimation for a 20 kV active distribution network. We designed and put into operation the whole inf ...

In real-time control of electric grids using multiple software agents, the control performance depends on (1) the proper functioning of the software agents, i.e., absence of software faults, and (2) the behavior of software agents in the presence of non-id ...

We consider real-time control systems that consist of a controller that computes and sends setpoints to be implemented in physical processes through process agents. We focus on systems that use commercial off-the-shelf hardware and software components. Set ...

Multiple software agents can be used to perform the real-time control of electrical grids. The control performance of such solutions is influenced by software non-idealities such as crashes and delays of the software agents, and message losses and delays d ...

We address delay faults: faults that cause a software component to take more time for completing an action than a given deadline. Such faults are particularly of interest in real- time mission-critical control applications that use general-purpose computin ...

The present invention concerns a method of generating setpoints for actuators (13) of a real-time control system. The method comprises a first controller (9): a) receiving a first set of measurements from sensors (3), the measurements being individually la ...

Reliable packet delivery within stringent delay-constraints is of paramount importance to mission-critical computer applications with hard real-time constraints. Because retransmission and coding techniques counteract the delay requirements, reliability ma ...

Maaz Mashood Mohiuddin

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FCR: Fast and Consistent Controller-Replication in Software Defined Networking

Ordering Events Based on Intentionality in Cyber-Physical Systems

Experimental Validation of the Usability of Wi-Fi over Redundant Paths for Streaming Phasor Data

Experimental Validation of the Suitability of Virtualization-Based Replication for Fault Tolerance in Real-Time Control of Electric Grids

iPRP: Parallel Redundancy Protocol for IP Networks

Ordering Events Based on Intentionality in Cyber-Physical Systems

Real-Time State Estimation of the EPFL-Campus Medium-Voltage Grid by Using PMUs

T-RECS: A Virtual Commissioning Tool for Software-Based Control of Electric Grids – Design, Validation, and Operation

Axo: Masking Delay Faults in Real-Time Control Systems

T-RECS: A Software Testbed for Multi-Agent Real-Time Control of Electric Grids

Axo: Tolerating Delay Faults in Real-Time Systems

A controller and an agreement protocol for a real-time control system

iPRP - the Parallel Redundancy Protocol for IP Networks: Protocol Design and Operation