This product note explains how to compute the discrete control delay of a control algorithm running on an imperix controller. Context The execution of a digital control algorithm inevitably introduces a delay along the control chain, which has an impact on the system response, and therefore on the achievable closed-loop control bandwidth. This delay is…
This page helps new users get started with imperix power electronic controllers. In particular, it explains how to deploy a user code onto these controllers, and how they can be operated and monitored during run-time, using the imperix Cockpit software. Most of this content also applies to the TPI8032 programmable inverter. For a complete introduction…
This article introduces an example of Finite Control Set Model Predictive Control (FCS-MPC) for an LCL-filtered voltage-controlled inverter. The proposed control implementation is derived from [1], with an extension to minimize the output common-mode current. This is notably relevant when an EMC filter is required, such as when the inverter is connected to the grid…
This document provides instructions on how to interface an incremental encoder with a B-Box RCP or a B-Board PRO and how to read the motor rotor position using the angle decoder modules. It also presents a simple and effective way to derive an angular velocity from the measured angle. Technical resources B-Box datasheet B-Board datasheet…
The note introduces an example of Direct Torque Control (DTC) for an electric drive using a permanent magnet synchronous motor (PMSM) and a programmable inverter.
This note provides in-depth content for an accurate and efficient offline simulation of an imperix controller and the corresponding plant model using ACG SDK on PLECS. A general overview of software-related notes is given on this page. Related notes Suggested prerequisites Installation guide for ACG SDK Getting started with PLECS Suggested further readings Programming and…
This technical note offers insights into the SS-PWM peripheral block, which is part of the standard firmware of imperix controllers. The SS-PWM block provides multilevel Pulse Width Modulation (PWM) as well as an integrated submodule balancing mechanism derived from the Sort-&-Select approach initially proposed in [1]. Background and motivations The generation of modulated multilevel waveforms…
This document provides instructions on how to implement Multi-rate control on Simulink with ACG SDK. It allows running part of the control at a slower rate, without impacting the real-time control running at the base rate. This is typically useful for implementing a finite state machine or running a tracking algorithm. Enable MultiTasking Make sure…
This page covers the configuration of the analog inputs of the B-Box Micro. The B-Box Micro possesses 8 analog inputs with identical channels. The equivalent schematic of the complete data acquisition chain is depicted below. Since the gain of the input stage is equal to 1, the differential input range of the B-Box Micro is…
This note provides in-depth content for an accurate and efficient offline simulation of an imperix controller and the corresponding plant model using ACG SDK on Simulink. A general overview of software-related notes is given on this page. Related content Suggested prerequisites Installation guide for ACG SDK Getting started with Simulink Suggested further readings Programming and operating imperix controllers…
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