Presented is a real-time engine brake torque estimation model where the instantaneous measured engine speed serves as the model input. The model is comprised of notch filters executed in the crank-angle domain to extract mean engine speed and the nth frequency component from the instantaneous engine speed signal in real-time. Here n denotes the number of engine cylinders. Moreover, the engine b...

This paper presents a rule engine for classifying human posture according to information about the location of body parts. The rule engine was developed by enriching decision trees with expert knowledge. Results show 5 percentage points improvement in accuracy compared to support vector machines and a significant 11 percentage points compared to decision trees. The incorporation of expert knowl...

In this paper, we discuss a new architecture for integrating and executing business process models with rules. It is based on a workflow engine that runs a BPMN-based business process model. On the lower level, rules are used to express the specific parts of the business logic. Rules working in the same context are grouped into a single task in the process model. Such a rule task is modeled by ...

As natural language is highly ambiguous even in restricted domains, interactive disambiguation is seen as a necessity for achieving more robust and user-friendly interactive systems, face-to-face translation systems and Dialogue-Based Machine Translation systems. We have proposed a methodology which distinguishes between two parts in a disambiguation module: an engine (languageand application-i...

This case study, which can be used as a teaching case, deals with jet engine spare parts planning at Pratt and Whitney Aircraft Company, a division of United Technologies Corporation. The case includes background on the company’s history and an overview of their jet engine manufacturing operations. The primary focus of the case is on the application and evaluation of forecasting models for dema...

A method for obtaining a mathematical model of an engine is proposed. The obtained model’s intended use is in the hardware-in-the-loop (HiL) real-time simulation modelling of the engine control system. The dynamic characteristics of the turbocharged diesel engine are described by differential equations of dynamic balance of the flows of mechanical energy and the gas mass in the main parts of th...