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Bill Marshall

United Kingdom United Kingdom

Engineer | WGM Consulting

Engineer, PhD, lecturer, freelance technical writer, blogger & tweeter interested in robots, AI, planetary explorers and all things electronic. STEM ambassador. Designed, built and programmed my first microcomputer in 1976. Still learning, still building, still coding today.

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49 Articles published
article
Bill Marshall

Robotics

1 week ago

Give your Robot the Mobility Control of a real Mars Rover: Part 3

Part 1 covered the theory behind PID control. Part 2 discussed the practical issues of odometry and using PID for precise mobile robot navigation. Now let’s look at some more code and other features of practical rover design.

0 comments
article
Bill Marshall

Robotics

1 month ago

Do Androids live in The Uncanny Valley?

An AI-equipped ‘astronaut companion’ called CIMON is on its way to the International Space Station. With fictional androids starring in TV shows Westworld and Humans, just how close are we to creating a socially-acceptable companion robot?

1 comments
article
Bill Marshall

Robotics

1 month ago

Give your Robot the Mobility Control of a real Mars Rover: Part 2

Part 1 covered the theory behind PID control – a widely used method of ensuring that the mechanical output of an actuator (speed, position, etc) matches the value demanded by its controlling program. Now let’s look at practical aspects in detail.

0 comments
article
Bill Marshall

Robotics

2 months ago

Give your Robot the Mobility Control of a real Mars Rover: Part 1

Mobile robots can be divided into two classes: those that navigate around solely by sensing and avoiding obstacles, and those that move along a planned path using an internal electronic map. For the latter, you need mobility control.

9 comments
article
Bill Marshall

Robotics

3 months ago

Soft Robot Design with Biomimetics

What soft robots lack in hard strength and precision, they make up for with their gentle dexterity handling delicate objects, or their ability to go places other robots cannot reach.

0 comments
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Bill Marshall

Robotics

4 months ago

Your new workmate, a Cobot

Industrial robots are big, expensive, inflexible and dangerous to human workers, right? Wrong, the next generation of Collaborative robots or Cobots can operate alongside humans and don’t need to be caged or fenced off.

0 comments
article
Bill Marshall

Internet of Things

4 months ago

Cyber Killers: Spectre, Meltdown, Chimera and other Security Horrors

A computer security company has just described very serious security weaknesses in AMD microprocessor devices. This follows similar problems discovered with Intel and ARM-based chips. In this age of automation, just how dangerous are the threats?

4 comments
article
Bill Marshall

Sensors

5 months ago

Noise, Sensor Fusion and Lost Drones

Motion and environmental sensor technology has come a long way in recent years. Even so, nothing is perfect and autonomous vehicles cannot work safely with a fuzzy view of the world.

0 comments
article
Bill Marshall

Automotive

5 months ago

Lidar, Radar & Digital Cameras: the Eyes of Autonomous Vehicles

Digital cameras, microwave radar and light radar (Lidar) are being developed at a furious rate to meet the needs of ADAS and the autonomous road vehicle.

4 comments
article
Bill Marshall

Industry 4.0

6 months ago

Evolution of the Industrial PLC from Controller to Cloud Interface

The industrial revolution has now begun its fourth phase: factories are entering the era of ‘Lights Out’ or fully-automated operation. Industry 4.0 has arrived.

0 comments
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Bill Marshall

Innovation

6 months ago

Augmented Reality may really take off in 2018

Augmented Reality (AR) is now moving Virtual Reality on from immersive games into highly-practical applications for the real world.

0 comments
article
Bill Marshall

Internet of Things

6 months ago

Are we losing interest in the Internet of Things?

What prompted the question above was a TV commercial for the ‘latest’ must-have gadget for the Connected Home: a camera that allows you to see what’s happening in your living room remotely via a smartphone. Is that the best IoT can do?

4 comments