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Anti-tamper Techniques to Thwart Attacks on Smart Meters

Non-technical losses (“theft”) account for billions of dollars of revenue loss for utility providers around the world as individuals are able to hack meters to slow or stop the accumulation of energy usage statistics. This loss has driven increased requirements for enhancing the protection designed into new smart meters.  This training session will discuss different methods of attacking smart meters and how TI’s analog portfolio can be used to detect or even prevent these attacks. In one scenario magnets are used to saturate any transformers present in the system.

Anti-tamper Techniques to Thwart Attacks on Smart Meters— Detecting magnetic tampering using hall-effect sensors: Magnetic Tamper Detection Testing

Date:
April 12, 2017

Duration:
06:00
This module discusses magnetic tampering tests that were performed on the TIDA-00839 reference design using the DRV5033 to detect magnetic tampering in e-meters

Anti-tamper Techniques to Thwart Attacks on Smart Meters— Detecting magnetic tampering using hall-effect sensors: TIDA-00839 Magnetic Tamper Detection Reference Design Features

Date:
April 12, 2017

Duration:
07:42
This module covers how to the use hall sensors, such as the DRV5033, for the low-power detection of strong magnetic fields in three dimensions.

Anti-tamper Techniques to Thwart Attacks on Smart Meters— Summary

Date:
April 12, 2017

Duration:
01:00
In this short module, a summary of the entire “Anti-tamper Techniques to Thwart Attacks on Smart Meters” training series will be covered.

Automotive Hall sensor rotary encoder reference design

Date:
February 12, 2016

Duration:
01:41
Learn how to use an incremental rotary encoder that uses contactless magnetic sensing to detect rotational speed and direction.

Detecting case tamper attacks using inductive switches

The first line of defense against tampering by bypassing current, reversing connections, and disconnecting leads is the meter case. Due to this, it is common for utilities to require some form of intrusion detection system to detect when someone opens a case.  In this section, we will cover how to detect someone trying to open the case of a meter.

Detecting magnetic tampering using hall-effect sensors

For anti-tampering, it is common to try to detect the presence of a strong magnet. In this section, we will cover the use of hall sensors for low-power detection of strong magnetic fields in three dimensions.  Details on our magnetic tamper detection reference design, TIDA-00839, will be provided as well as some of the design considerations that were kept in mind when creating this reference design.  

Hall Position Sensor Applications Overview

Date:
May 22, 2019

Duration:
17:37
This video introduces you to the latest and innovative Hall-effect position sensing solutions from Texas Instruments.

Hardening a meter against magnetic tamper attacks

In this section, we will cover how to harden a meter against these magnetic tamper attacks by using shunts for current sensors. For poly-phase implementations, I will go over how to use isolated delta sigma modulators to add the necessary isolation to use shunt current sensors and create magnetically immune poly-phase energy measurement systems. The TIDA-00601 and TIDA-01094 reference designs, which show how to implement a poly-phase isolated shunt measurement system, will be discussed as well as the associated AMC1304 high-side power supplies used in these designs.

Innovations in Current and Magnetic Sensing

Date:
May 31, 2019

Duration:
23:00
Learn about TI's offering of Current & Magnetic Sensing Products

Introduction

This section covers what is meter tampering, why is this a problem for utility providers, and some common ways a meter is tampered.

Introduction to Rotary Position Sensors

Date:
May 5, 2017

Duration:
11:59
Learn about the different types of rotary position sensors used in automotive and industrial applications such as HEV/EV, electric power steering, and factory robotics.
Rapid prototyping functions: analog EVM and BoosterPacks

Rapid prototyping function based on analog EVMs & BoosterPacks

Date:
September 28, 2019

Duration:
03:19
This module expands upon step-by-step functionality with the capability of connecting to various analog EVMs/BoosterPacks.
Rapid prototyping fundamentals training series

Rapid prototyping fundamental functions

These videos provide understanding of the fundamental functions used for rapid prototyping on TI solutions with minimal or no programming, including the following:

  • Implementing necessary prototyping functions such clocks/GPIO, Read A/D, I2C/SMBus, etc.
  • Seamless interface of various analog EVMs for customer “proof of concept”
  • Standalone UI – Button, (GP Input - GPIO), LCD Display (“Hello”), Music, Serial Interface (Putty, Echo)
Rapid prototyping training series

Rapid prototyping: Getting started with TI solutions

How many times have you said, “I would like to prototype an idea with TI silicon but I can not get software resources" or “I don’t know how to prototype/program.”

This training shows you how to get started prototyping on TI solutions with minimal or no programming, including the following tasks:

Small Hall Effect Latch inIndustrial Applications

Small Hall Effect Latch in Industrial Applications

Date:
August 1, 2019

Duration:
03:56
This video shows various end products that make use of a small Hall-effect latch, discusses the features/benefits of the DRV5011, and shows the WCSP package.

Summary

In this section, a summary of the entire “Anti-tamper Techniques to Thwart Attacks on Smart Meters” training module would be covered.  This summary would cover the “Detecting case tamper attacks using inductive switches “, “Detecting magnetic tampering using hall-effect sensors “,  and “Hardening a meter against magnetic tamper attacks “ sections of the training series. Links will be provided for the reference designs and design tools that were discussed during this training series.

TI Precision Labs – Magnetic Sensors

TI Precision Labs - Magnetic Sensors

TI Precision Labs is the electronics industry’s most comprehensive online classroom for analog engineers. The on-demand courses and tutorials include introductory ideas about device architecture in addition to advanced, application-specific problem-solving, using both theory and practical knowledge. Use these hands-on courses to predict circuit performance and move seamlessly from abstract concepts to specific formula in an easy-to-follow format. Industry experts present each topic in order to help reduce design time and move quickly from proof-of-concept to productization.

TI Precision Labs – Magnetic Sensors

TI Precision Labs - Magnetic Sensors: Applications

There are a variety of applications for Hall Effect sensors, each with its own unique system requirement. The series of videos in this section will walk through some of the top Hall applications such as rotary encoding and proximity sensing.

TI Precision Labs – Magnetic Sensors: Bandwidth vs. Power Tradeoffs in Hall Effect Position Sensors

TI Precision Labs - Magnetic Sensors: Bandwidth vs. Power Tradeoffs in Hall Effect Position Sensors

Date:
May 5, 2019

Duration:
03:13
This video discusses the tradeoffs between bandwidth and power in Hall Effect sensors.
33 Results
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