This paper proposes a new application approach for robust speed control induction machine using the equivalence modal principle. Indeed, the majority of the classic methods of regulation are ineffective in front of the variation of the parameters and uncertainties which can affect the model of the asynchronous machine. In order to get rid of this draw backs, an association of the fuzzy logic re...

Abstract: macros that can be embedded into synchronous circuitry was This paper presents a Scan path design to ease the controllability presented in [89LeenS]. To test the asynchronous modules a and observability of Self-timed logic. The Scan path registers synchronous scan test is presented there. In contradiction, the operate in asynchronous mode during operation and test. asynchronous machin...

A linear forwarder is a process which receives one message on a channel and sends it on a different channel. Such a process allows for a simple implementation of the asynchronous pi calculus, by means of a direct encoding of the pi calculus’ input capability (i.e. where a received name is used as the subject of subsequent input). This encoding is fully abstract with respect to barbed congruence...

Language-supported synchronization is a source of serious performance problems in Java programs. Even for single threaded programs the overhead of synchronization in compiled Java can be as high as 45%. I address this problem with a new language-level locking algorithm suitable for both uniprocessor and multiprocessor environments. On a Pentium uniprocessor, in the most common case the lock-and...

This paper examines algorithms to implement heaps on shared memory multiprocessors. A natural model for these machines is an asynchronous parallel machine, in which the processors are subject to arbitrary delays. On such machines, it is desirable for algorithms to be wait-free, meaning that each thread makes progress independent of the other threads executing on the machine. We present a waitfr...

The cage and reluctance rotors are two major types of rotor structures used in the doubly fed brushless machine (DFBM). In order to study comparatively the effects of different rotor structure on the DFBM, a prototype machine has been specially designed and built. The experimental parameter and performance comparisons between the axially laminated anisotropic (ALA) and cage-rotor machines are p...

Many garbage collectors on parallel computers are written in sequential languages, therefore thay are not portable across machines with different communication primitives. Moreover, the description of garbage collectors on distributed memory machines, which use asynchronous messages, is complex. We implemented a garbage collector for parallel object-oriented language Schematic by using Schemati...