Rahul Sharma

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Fuel economy of parallel hybrid electric vehicles is affected by both the torque split ratio and the vehicle velocity. To optimally schedule both variables, information about the surrounding traffic is necessary, but may be made available through telemetry. Consequently, in this paper, a nonlinear model predictive control algorithm is proposed for the(More)
This paper addresses the problem of idle speed control of hydrogen fueled internal combustion engine (H2ICE) using model predictive control (MPC) and sampled data control (SDC) theories. In the first step, results from SDC theory and a version of MPC are collectively employed to obtain a rigorously developed new generic control strategy. Here, a controller,(More)
This paper proposes a new procedure to reduce the order of control oriented turbocharged (TC) spark ignition (SI) engine models. The starting point of this work is a higher dimensional, fully validated model defined which is not appropriate for control design. The model reduction technique is based on the identification of time scale separation within the(More)
A model-based approach for the idle speed control of ultra-lean burn engines is presented. The results from model predictive control (MPC) are extended and collectively used with the existing sampled data control theory to obtain a rigorously developed idle speed control strategy. Controller is designed using MPC theory and facilitated by successive online(More)
Abstract— In the text books, while solving the circuits with controlled sources using Principle of Superposition (POS), controlled sources are not deactivated. Thus POS has not been applied in the ‘true sense’ to circuits with dependent sources. It is shown here that POS can be applied in the ‘true sense’ to such circuits also, but with caution. POS is(More)
In this paper, a new constructive and versatile procedure to systematically reduce the order of control oriented engine models is presented. The technique is governed by the identification of time scale separation within the dynamics of various engine state variables and hence makes extensive use of the perturbation theory. On the basis of the dynamic(More)
Hybrid and fully electric vehicles are becoming more common as a response to rising fuel prices and greenhouse considerations. While the benefits of electrification on urban air quality have been studied quite widely, financial assessments of the various alternative vehicle forms are less common, particularly for Australian driving conditions. The aim of(More)
ly, if L ≡ while B do S is a loop, then to check if I is a loop invariant, we need to establish the following conditions: 1. If φ is a precondition at the beginning of L, then φ⇒ I. 2. Furthermore, executing the loop body S with a state satisfying I ∧B, always results in a state satisfying the invariant I. The above checks for validating I are performed by(More)
To communicate between vehicles running on highway a wireless technology should be applied which will enable the potential to avoid collision. This paper discusses the method of sharing information of vehicles using laser beam detection. The speed and distance of the vehicles is obtained using BLINDER laser detector according to which commands of driving is(More)