Automated linearization analysis

A computer program product embodied on a computer-readable medium and comprising code that, when executed, causes a computer to perform the following:

• providing a system model having a plurality of operating points;
• in response to a user input, specifying at least one event at which a linearization analysis of the system model is performed;
• starting a simulation of the system model;
• automatically determining one or more equilibrium operating conditions for the linearization analysis of the system model as the simulation of the system model is running;
• detecting an occurrence of the at least one event as the simulation of the system model is running;
• automatically performing the linearization analysis of the system model based on the detecting, the linearization analysis being performed using the determined one or more equilibrium operating conditions;
• and
• generating the linear time-invariant model based on output results of the linearization analysis of the system model,
• wherein the generated linear time-invariant model is saved in a storage device.

A system for generating a linear time-invariant model based on a system model having a plurality of operating points, comprising:

• a processor for executing:
• an event mechanism for storing at least one event at which a linearization analysis of the system model is performed;
• an execution engine for simulating the system model, a simulation of the system model automatically determining one or more equilibrium operating conditions for the linearization analysis of the system model;
• a linearization analysis function for detecting an occurrence of the at least one event during the simulation of the system model, and for automatically performing the linearization analysis of the system model upon detecting the occurrence of the at least one event as the simulation of the system model is running, the linearization analysis being performed using the determined one or more equilibrium operating conditions;
• an output mechanism for generating the linear time-invariant model based on output results of the linearization analysis of the system model;
• and
• a storage device for saving the generated linear time-invariant model.

In an electronic device, a method of generating a linear time-invariant model, comprising:

• providing a system model having a plurality of operating points;
• in response to a user input, specifying at least one time based event and at least one non-temporal condition based event at which a linearization analysis of the system model is performed;
• starting a simulation of the system model;
• automatically determining one or more equilibrium operating conditions for the linearization analysis of the system model as the simulation of the system model is running;
• detecting an occurrence of the at least one time based event and at least one non-temporal condition based event as the simulation of the system model is running;
• automatically performing the linearization analysis of the system model based on the detecting, the linearization analysis being performed using the determined one or more equilibrium operating conditions;
• and
• generating the linear time-invariant model based on output results of the linearization analysis of the system model,
• wherein the generated linear time-invariant model is saved in a storage device.

In an electronic device, a method of generating a linear time-invariant model, comprising:

• developing a block diagram model of a system for simulation, the model having a plurality of operating points;
• in response to a user input, specifying linearization conditions for reconfiguration of the system;
• starting the simulation of the block diagram model;
• automatically determining one or more equilibrium operating conditions for a linearization analysis of the system model as the simulation of the system model is running;
• detecting an occurrence of at least one linearization event occurring as the simulation of the block diagram model is running;
• automatically performing at least one linearization analysis of the system model based on the detecting, the at least one linearization analysis being performed using the determined one or more equilibrium operating conditions;
• the electronic device outputting a result of the at least one linearization analysis of the system model;
• reconfiguring the system based on the result to meet performance requirements provided by the user;
• and
• updating the block diagram model of the system to comply with the system after reconfiguring to derive the linear time-invariant model,
• wherein the derived linear time-invariant model is saved in a storage device.

In an electronic device, a method of generating a linear time-invariant model, comprising:

• providing a system model having a plurality of operating points;
• specifying at least one event at which the system model is linearized;
• executing the system model;
• automatically determining one or more equilibrium operating conditions for linearizing the system model as the execution of the system model is running;
• detecting an occurrence of the at least one event as the execution of the system model is running;
• automatically linearizing the system model when the occurrence of the at least one event is detected as the execution of the system model is running, the system model being linearized using the determined one or more equilibrium operating conditions;
• generating the linear time-invariant model based on the linearizing of the system model;
• and
• storing the generated linear time-invariant model in a storage device.

In an electronic device, a method of generating a linear time-invariant model, comprising:

• providing a system model having a plurality of operating points;
• specifying a first event and a second event at which the system model is linearized;
• executing the system model;
• automatically generating one or more equilibrium operating conditions for linearizing the system model as the execution of the system model is running;
• detecting occurrences of the first event and the second event as the execution of the system model is running;
• automatically linearizing the system model based on the detecting, the system model being linearized using the one or more determined equilibrium operating conditions;
• generating the linear time-invariant model based on the linearizing of the system model;
• storing the generated linear time-invariant model in a storage device.

In an electronic device, a method of generating a linear time-invariant model, comprising:

• providing a system model having a plurality of operating points, the system including a first portion and a second portion;
• specifying a first event and a second event at which the system model is linearized;
• executing the system model;
• automatically determining one or more equilibrium operating conditions for linearizing the system model as the execution of the system model is running;
• detecting occurrences of the first event and the second event as the execution of the system model is running;
• automatically linearizing the first portion and the second portion of the system model based on the detecting, the first portion and the second portion of the system model being linearized using the one or more determined equilibrium operating conditions;
• and
• generating the linear time-invariant model based on the linearizing of the system model, storing the generated linear time-invariant model in a storage device.