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r/ControlTheory↗

Control Theory: A subreddit to post links and questions related to Control Theory.

Welcome to r/ControlTheory

59k subscribers72 posts / mo in Sep 202664 authors / mosince 2013

r/ControlTheory has 59k members (+34% over the last 12 months). It gets about 72 posts a month from 64 people. Top topics: AGI Discussions, Help With Questions and Orbit and Transfer Mechanics.

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When to post on r/ControlTheory

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Visitors without an account can open 3 subreddit reports a day. The best time to post on r/ControlTheory, removal risk and the rest of the report are one step away.

Size and growth

How r/ControlTheory has grown

r/ControlTheory

Subscriber growth

Subscribers over time

+34%in 12 months · +6.1% in 3 months · +1.6% in 1 month
Oct 202658k
Growing58k subscribers
Data since Mar 2018Live · through Oct 2026
r/ControlTheory

Monthly activity

Posts, comments and authors per month

−23%vs Sep 2025 · −24% last 3 months vs the 3 before
Sep 202672
QuieterPeaked at 153 in Apr 2025
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/ControlTheory

Top topics

Share of the subreddit's posts

  1. AGI Discussions0.3%
  2. Help With Questions0.3%
  3. Orbit and Transfer Mechanics0.2%
  4. Space & Physics Engineering0.2%
  5. AI Research Papers0.2%

Brands people mention

Most-mentioned brands and sites, last 12 months

  1. arXiv.org e-Print archive
  2. MathWorks
  3. Doi
  4. ieee.org
  5. Massachusetts Institute of Technology

The full report

Everything else about r/ControlTheory

Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.

Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research