Petter Krus

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—In steering-related active safety systems, active steering is a key component. Active steering refers to the possibility to control the road wheel angle or the required torque to turn the wheels by means of an electronic signal. Due to the high axle loads in heavy vehicles, hydraulic power is needed to assist the driver in turning the wheels. One solution(More)
The current development towards multiple processor cores in personal computers is making distribution and paral-lelization of simulation software increasingly important. The possible speedups from parallelism are however often limited with the current centralized solver algorithms, which are commonly used in today's simulation environments. An alternative(More)
  • Henric Andersson, Bengt-Göran Sundqvist, Johan Ölvander, Anders Weitman, Sören Steinkellner, Hampus Gavel +8 others
  • 2009
AIRCRAFT DEVELOPERS, like other development and manufacturing companies, are experiencing increasing complexity in their products and growing competition in the global market. One way to confront the challenges is to make the development process more efficient and to shorten time to market for new products/variants by using design and development methods(More)
This paper analyses the damping in pressure compensated closed centre mobile working hydraulic systems. Both rotational and linear loads are covered and the analysis applies to any type of pump controller. Only the outlet orifice in the directional valve will provide damping to a pressure compensated system. Design rules are proposed for how the system(More)
  • Jonas Larsson, Björn Johansson, Petter Krus, Magnus Sethson
  • 2002
Several approaches exist for modelling of physical systems, often implemented in a modelling language. Due to differences in modelling approaches, it is a complicated procedure to interchange information between different modelling languages, documents or applications. This puts a constraint on what the users can do in terms of custom simulators and on what(More)
This paper presents a control system based on linear quadratic state feedback and state estimation for an hydraulic actuator with a exible mechanical load. The purpose of the control system is to improve the dynamic properties by reducing the oscillatory behavior of the load and to eliminate the steady state error in the load position caused by external(More)
  • Björn Johansson, Lars Austrin, Göran Engdahl, Petter Krus, Linköping University, Saab Aerosystems +1 other
  • 2004
This paper illustrates a collaborative approach for distributed model development and simulation applied to aircraft systems design in the so-called " More Electric Aircraft " (MEA) study. A computational framework and a distributed model were created as a joint effort between Linköping University, Saab Aerosystems, and the Royal Institute of Technology in(More)