Air Charge Estimation in Turbocharged Spark Ignition Engines (2009)
In Turbocharged, Per Andersson, C Per Andersson, To Ulrika
Turbocharged (TC) spark-ignited (SI) engines are popular as they combine high power output with good fuel economy. Furthermore, their emissions can be successfully reduced using a three way catalyst...
SENSOR SELECTION FOR OBSERVER FEEDBACK IN TURBOCHARGED SPARK IGNITED ENGINES (2009)
Per Andersson, Erik Frisk, Lars Eriksson
Abstract: Precise air/fuel control is necessary for low emissions in turbocharged (TC) SI-engines. Observers are often proposed for accurate cylinder air charge estimation in air/fuel controllers....
Mean-value observer for a turbocharged SIengine Vehicular Systems (2009)
Abstract: For air/fuel control, where the cylinder air charge (CAC) estimation is based on intake manifold pressure, it is essential to reduce the noise from measured intake manifold pressure signals...
OBSERVER BASED FEEDFORWARD AIR-FUEL CONTROL OF TURBOCHARGED SI-ENGINES (2009)
Abstract: Air-fuel control on turbocharged (TC) SI-engines require precise prediction of the cylinder air-charge (CAC). Using an observer it is possible to both estimate the necessary system states...
Andersson, Per, Sjöberg, Rickard L, Öhrvik, John, Leppert, Jerzy
The aim of the present study was to examine how personal experience of illness and family history of cardiovascular disease (CVD), adjusted for gender, education and nationality, affects risk...
Andersson, Per, Bergman, Susanna
Den här uppsatsen studerar sambanden mellan de tre variablerna demokrati, inkomstfördelning och skatter. Utifrån olika tidigare teorier och forskning skapas två hypoteser vars motsättning ligger...
Andersson, Per, Bergman, Susanna
Den här uppsatsen studerar sambanden mellan de tre variablerna demokrati, inkomstfördelning och skatter. Utifrån olika tidigare teorier och forskning skapas två hypoteser vars motsättning ligger...
Radio frequency ablation (RFA) is a commonly used minimally invasive method of treating liver cancer tumours which utilises RF current for heating tumour tissue up to a lethal temperature. RF current...
Radio frequency ablation (RFA) is a commonly used minimally invasive method of treating liver cancer tumours which utilises RF current for heating tumour tissue up to a lethal temperature. RF current...
1 Introduction Hyperedge replacement grammars (2008)
This chapter gives an introduction to graph grammars and especially
Wireless Enterprise Innovations: Raising Issues Of Temporality And Activities (2008)
Per Andersson, Mats Edenius, Christopher Rosenqvist, Pablo Valiente
The overall research question guiding the papers ’ studies of mobility-in-use in organizations is: How are different activities of temporality affected when organizations implement and use new...
Efficient Modelling and Synthesis of Data Intensive Reconfigurable Systems (2008)
iii iv Digital systems are integrated in our environment and have become a natural part of our every day life. As we rely more on these systems our expectations on them increase. We expect them to...
Java to Hardware Compilation for non Data Flow Applications (2008)
Java has proven to be a powerful language for software development. In this paper we show that it is also suitable for hardware compilation, making it an attractive language for embedded system...
UML and SystemCa Comparison and Mapping Rules for Automatic Code Generation (2008)
Today embedded system development is a complex task. To aid the engineers new methodologies and languages are emerging. During the development the system is modelled using different tools and...
Jari Kreku, Mika Hoppari, Tuomo Kestilä, Yang Qu, Juha-Pekka Soininen, Per Andersson, ...
Future mobile devices will be based on heterogeneous multiprocessing platforms accommodating several stand-alone applications. The network-on-chip communication and device networking combine the...
Kreku,Jari, Hoppari,Mika, Kestilä,Tuomo, Qu,Yang, Soininen, Juha-Pekka, Andersson, Per, ...
EURASIP Journal on Embedded Systems, 18 p
Jari Kreku, Mika Hoppari, Tuomo Kestilä, Yang Qu, Juha-Pekka Soininen, Per Andersson, ...
Future mobile devices will be based on heterogeneous multiprocessing platforms accommodating several stand-alone applications. The network-on-chip communication and device networking combine the...
ABSTRACT MODELING A 10 GBIT/S/PORT SHARED MEMORY ATM SWITCH (2007)
The speed of optical transmission links is growing at a rate which is difficult for the micro-electronic technology of ATM switches to follow. In order to cover the transmission rate gap between...
Three Way Catalyst Control using PI-style Controller with HEGO Sensor (2007)
Feedback Per Andersson, Per Andersson, Lars Eriksson
Recent research has shown that control of the oxygen content in the catalyst has potential to further reduce the emissions from spark ignited engines. This gives rise to a cascade structure where an...
På manliga villkor - det maskulina föräldraskapets diskurs (2007)
Föräldrautbildningen vid barnmorskemottagningar har till uppgift att förbereda föräldrar inför förlossning och kommande föräldraskap. Med avstamp i mina egna upplevelser av att bli...
Lärstilar, ett steg mot en skola för alla (2005)
Sandberg, Maria, Andersson, Per
Att alla människor har olika sätt att lära in ny kunskap är något de flesta av dagens lärare är medvetna om. Det inte alla vet, är att det finns sätt att ta reda på vilken ”kanal” som...
Magnus Hellström, Magnus Hellström, Supervisor Zandra Jansson, Daimlerchrysler Ag, Per Andersson
Spr˚ak Language
Andersson, Per, Fejes, Andreas
This article focuses on the recognition of prior learning and the figure of thought it represents in Swedish policy on adult education. It can be seen as a technique for governing the adult learner...
Automatic local memory architecture generation for data reuse in custom data paths (2004)
Abstract — Traditional high level synthesis is able to yield high computational resource utilisation and short critical paths. The shortcomings of the generated designs usually lies in the memory...
Recognition of Prior Vocational Learning in Sweden (2004)
Andersson, Per, Fejes, Andreas, Ahn, Song-Ee
Initiatives in the recognition of prior learning (RPL) have been taken in Sweden in recent years, mainly focusing on prior vocational learning among immigrants. The government started different...
A Prototype to Extract and Visualize Information from Car Accident Reports in Swedish (2003)
Per Andersson, Per Andersson, Lunds Tekniska Högskola, Lunds Tekniska Högskola
Text-to-scene conversion of car accident reports
Modelling and Implementation of a Vision System for Embedded Systems (2003)
Today more and more functionality is included in embedded systems, resulting in an increased system complexity. Existing design methodologies and design tools are not adequate to deal with this...
Integrating a computational model and a run time system for image processing on a uav (2002)
Per Andersson, Krzysztof Kuchcinski
Recently substantial research has been devoted to
Exhaust manifold pressure estimation on a turbocharged si-engine with wastegate (2001)
Abstract: In turbocharged engines with wastegate the exhaust pressure can change rapidly. A method to estimate the exhaust manifold pressure is presented for diagnosis of wastegate and turbocharger...
Performance oriented partitioning for time-multiplexed FPGA’s (2000)
Per Andersson, Krzysztof Kuchcinski
Time-multiplexing is a promising method to reduce the cost of FPGA based systems. It means execution of logic in consecutive steps with reconfiguration taking place between these steps. The use of...
This dissertation is focussing on students’ experiences of assessments, which means that the assessments are related to studying. The assessments particularly investigated are the main types of...
This dissertation is focussing on students’ experiences of assessments, which means that the assessments are related to studying. The assessments particularly investigated are the main types of...
An Interface Architecture for a Low-Latency Network of Workstations Using 10 (1997)
Patrik Sundström, Magnus Karlsson, Per Andersson
A network of workstations, NOW, based on standard busbased multiprocessor nodes, interconnected by standard LAN technology, may be a very cost effective alternative to current large, tightly coupled...
Modelling a 10 Gbits/Port Shared Memory ATM Switch (1997)
Lazraq, Tawfiq, Brundin, Jakob, Andersson, Per, Arvidsson, Åke
The speed of optical transmission links is growing at a rate which is difficult for the microelectronic technology of ATM switches to follow. In order to cover the transmission rate gap between...
Concurrence, transition and evolution : perspectives of industrial marketing change processes (1996)
Utgör jämte förf:s: The emergence and change of Pharmacia Biotech 1959-1995 diss. Stockholm : Handelshögsk.
Concurrence, transition and evolution : perspectives of industrial marketing change processes (1996)
Utgör jämte förf:s: The emergence and change of Pharmacia Biotech 1959-1995 diss. Stockholm : Handelshögsk.
Separation and detection techniques in capillary electrophresis / (1995)
Thesis (doctoral)--Stockholm University, 1995.
Activation measurements of neutron-capture cross sections in the MeV region / (1985)
Thesis (doctoral)--Lunds universitet, 1985.
Andersson, Per, Reimfelt, Anna
Med utgångspunkt i framväxten av mobil data och mobilt internet samt “mobilitet” i vid bemärkelse, har ett antal projekt formulerats vars syfte är att studera användarsidan och gapet mellan...
Acceptance of mobile services - insights from the Swedish market for mobile telephony
Andersson, Per, Heinonen, Kristina
The main purpose of the paper is to investigate young peoples’ perspectives on mobile services in order to shed light on the acceptance of mobile services. The knowledge of and interest in mobile...
Andersson, Per, Kjellberg, Hans
Taking a set of studies about business action as the empirical starting-point, this paper looks at the various ways in which action is represented. The overall research question can be stated as...
Competence Development Program for the Farmer with Reference to Life as Well as Business
The accelerating changes in the surrounding world and also increasing demands from politicians, consumers, their family etc., makes many farmers feel stressed, focus a lot on threats and weaknesses,...